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_ARMMEMBARRIERV7 : SDTypeProfile<0, 0, []>;
58 def SDT_ARMSYNCBARRIERV7 : SDTypeProfile<0, 0, []>;
59 def SDT_ARMMEMBARRIERV6 : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
60 def SDT_ARMSYNCBARRIERV6 : 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 ARMMemBarrierV7 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV7,
125 def ARMSyncBarrierV7 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV7,
127 def ARMMemBarrierV6 : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIERV6,
129 def ARMSyncBarrierV6 : SDNode<"ARMISD::SYNCBARRIER", SDT_ARMMEMBARRIERV6,
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 UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
158 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
159 def IsThumb : Predicate<"Subtarget->isThumb()">;
160 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
161 def IsThumb2 : Predicate<"Subtarget->isThumb2()">;
162 def IsARM : Predicate<"!Subtarget->isThumb()">;
163 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
164 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
166 // FIXME: Eventually this will be just "hasV6T2Ops".
167 def UseMovt : Predicate<"Subtarget->useMovt()">;
168 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
170 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
172 //===----------------------------------------------------------------------===//
173 // ARM Flag Definitions.
175 class RegConstraint<string C> {
176 string Constraints = C;
179 //===----------------------------------------------------------------------===//
180 // ARM specific transformation functions and pattern fragments.
183 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
184 // so_imm_neg def below.
185 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
186 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
189 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
190 // so_imm_not def below.
191 def so_imm_not_XFORM : SDNodeXForm<imm, [{
192 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
195 // rot_imm predicate - True if the 32-bit immediate is equal to 8, 16, or 24.
196 def rot_imm : PatLeaf<(i32 imm), [{
197 int32_t v = (int32_t)N->getZExtValue();
198 return v == 8 || v == 16 || v == 24;
201 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
202 def imm1_15 : PatLeaf<(i32 imm), [{
203 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
206 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
207 def imm16_31 : PatLeaf<(i32 imm), [{
208 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
213 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
214 }], so_imm_neg_XFORM>;
218 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
219 }], so_imm_not_XFORM>;
221 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
222 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
223 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
226 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
228 def bf_inv_mask_imm : Operand<i32>,
230 return ARM::isBitFieldInvertedMask(N->getZExtValue());
232 let PrintMethod = "printBitfieldInvMaskImmOperand";
235 /// Split a 32-bit immediate into two 16 bit parts.
236 def lo16 : SDNodeXForm<imm, [{
237 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() & 0xffff,
241 def hi16 : SDNodeXForm<imm, [{
242 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
245 def lo16AllZero : PatLeaf<(i32 imm), [{
246 // Returns true if all low 16-bits are 0.
247 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
250 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
252 def imm0_65535 : PatLeaf<(i32 imm), [{
253 return (uint32_t)N->getZExtValue() < 65536;
256 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
257 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
259 /// adde and sube predicates - True based on whether the carry flag output
260 /// will be needed or not.
261 def adde_dead_carry :
262 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
263 [{return !N->hasAnyUseOfValue(1);}]>;
264 def sube_dead_carry :
265 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
266 [{return !N->hasAnyUseOfValue(1);}]>;
267 def adde_live_carry :
268 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
269 [{return N->hasAnyUseOfValue(1);}]>;
270 def sube_live_carry :
271 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
272 [{return N->hasAnyUseOfValue(1);}]>;
274 //===----------------------------------------------------------------------===//
275 // Operand Definitions.
279 def brtarget : Operand<OtherVT>;
281 // A list of registers separated by comma. Used by load/store multiple.
282 def reglist : Operand<i32> {
283 let PrintMethod = "printRegisterList";
286 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
287 def cpinst_operand : Operand<i32> {
288 let PrintMethod = "printCPInstOperand";
291 def jtblock_operand : Operand<i32> {
292 let PrintMethod = "printJTBlockOperand";
294 def jt2block_operand : Operand<i32> {
295 let PrintMethod = "printJT2BlockOperand";
299 def pclabel : Operand<i32> {
300 let PrintMethod = "printPCLabel";
303 // shifter_operand operands: so_reg and so_imm.
304 def so_reg : Operand<i32>, // reg reg imm
305 ComplexPattern<i32, 3, "SelectShifterOperandReg",
306 [shl,srl,sra,rotr]> {
307 let PrintMethod = "printSORegOperand";
308 let MIOperandInfo = (ops GPR, GPR, i32imm);
311 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
312 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
313 // represented in the imm field in the same 12-bit form that they are encoded
314 // into so_imm instructions: the 8-bit immediate is the least significant bits
315 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
316 def so_imm : Operand<i32>,
318 return ARM_AM::getSOImmVal(N->getZExtValue()) != -1;
320 let PrintMethod = "printSOImmOperand";
323 // Break so_imm's up into two pieces. This handles immediates with up to 16
324 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
325 // get the first/second pieces.
326 def so_imm2part : Operand<i32>,
328 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
330 let PrintMethod = "printSOImm2PartOperand";
333 def so_imm2part_1 : SDNodeXForm<imm, [{
334 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
335 return CurDAG->getTargetConstant(V, MVT::i32);
338 def so_imm2part_2 : SDNodeXForm<imm, [{
339 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
340 return CurDAG->getTargetConstant(V, MVT::i32);
343 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
344 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
346 let PrintMethod = "printSOImm2PartOperand";
349 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
350 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
351 return CurDAG->getTargetConstant(V, MVT::i32);
354 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
355 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
356 return CurDAG->getTargetConstant(V, MVT::i32);
359 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
360 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
361 return (int32_t)N->getZExtValue() < 32;
364 // Define ARM specific addressing modes.
366 // addrmode2 := reg +/- reg shop imm
367 // addrmode2 := reg +/- imm12
369 def addrmode2 : Operand<i32>,
370 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
371 let PrintMethod = "printAddrMode2Operand";
372 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
375 def am2offset : Operand<i32>,
376 ComplexPattern<i32, 2, "SelectAddrMode2Offset", []> {
377 let PrintMethod = "printAddrMode2OffsetOperand";
378 let MIOperandInfo = (ops GPR, i32imm);
381 // addrmode3 := reg +/- reg
382 // addrmode3 := reg +/- imm8
384 def addrmode3 : Operand<i32>,
385 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
386 let PrintMethod = "printAddrMode3Operand";
387 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
390 def am3offset : Operand<i32>,
391 ComplexPattern<i32, 2, "SelectAddrMode3Offset", []> {
392 let PrintMethod = "printAddrMode3OffsetOperand";
393 let MIOperandInfo = (ops GPR, i32imm);
396 // addrmode4 := reg, <mode|W>
398 def addrmode4 : Operand<i32>,
399 ComplexPattern<i32, 2, "SelectAddrMode4", []> {
400 let PrintMethod = "printAddrMode4Operand";
401 let MIOperandInfo = (ops GPR:$addr, i32imm);
404 // addrmode5 := reg +/- imm8*4
406 def addrmode5 : Operand<i32>,
407 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
408 let PrintMethod = "printAddrMode5Operand";
409 let MIOperandInfo = (ops GPR:$base, i32imm);
412 // addrmode6 := reg with optional writeback
414 def addrmode6 : Operand<i32>,
415 ComplexPattern<i32, 2, "SelectAddrMode6", []> {
416 let PrintMethod = "printAddrMode6Operand";
417 let MIOperandInfo = (ops GPR:$addr, i32imm);
420 def am6offset : Operand<i32> {
421 let PrintMethod = "printAddrMode6OffsetOperand";
422 let MIOperandInfo = (ops GPR);
425 // addrmodepc := pc + reg
427 def addrmodepc : Operand<i32>,
428 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
429 let PrintMethod = "printAddrModePCOperand";
430 let MIOperandInfo = (ops GPR, i32imm);
433 def nohash_imm : Operand<i32> {
434 let PrintMethod = "printNoHashImmediate";
437 //===----------------------------------------------------------------------===//
439 include "ARMInstrFormats.td"
441 //===----------------------------------------------------------------------===//
442 // Multiclass helpers...
445 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
446 /// binop that produces a value.
447 multiclass AsI1_bin_irs<bits<4> opcod, string opc, PatFrag opnode,
448 bit Commutable = 0> {
449 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
450 IIC_iALUi, opc, "\t$dst, $a, $b",
451 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
454 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
455 IIC_iALUr, opc, "\t$dst, $a, $b",
456 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
457 let Inst{11-4} = 0b00000000;
459 let isCommutable = Commutable;
461 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
462 IIC_iALUsr, opc, "\t$dst, $a, $b",
463 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
468 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
469 /// instruction modifies the CPSR register.
470 let Defs = [CPSR] in {
471 multiclass AI1_bin_s_irs<bits<4> opcod, string opc, PatFrag opnode,
472 bit Commutable = 0> {
473 def ri : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
474 IIC_iALUi, opc, "\t$dst, $a, $b",
475 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]> {
479 def rr : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm,
480 IIC_iALUr, opc, "\t$dst, $a, $b",
481 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]> {
482 let isCommutable = Commutable;
483 let Inst{11-4} = 0b00000000;
487 def rs : AI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
488 IIC_iALUsr, opc, "\t$dst, $a, $b",
489 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]> {
496 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
497 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
498 /// a explicit result, only implicitly set CPSR.
499 let Defs = [CPSR] in {
500 multiclass AI1_cmp_irs<bits<4> opcod, string opc, PatFrag opnode,
501 bit Commutable = 0> {
502 def ri : AI1<opcod, (outs), (ins GPR:$a, so_imm:$b), DPFrm, IIC_iCMPi,
504 [(opnode GPR:$a, so_imm:$b)]> {
508 def rr : AI1<opcod, (outs), (ins GPR:$a, GPR:$b), DPFrm, IIC_iCMPr,
510 [(opnode GPR:$a, GPR:$b)]> {
511 let Inst{11-4} = 0b00000000;
514 let isCommutable = Commutable;
516 def rs : AI1<opcod, (outs), (ins GPR:$a, so_reg:$b), DPSoRegFrm, IIC_iCMPsr,
518 [(opnode GPR:$a, so_reg:$b)]> {
525 /// AI_unary_rrot - A unary operation with two forms: one whose operand is a
526 /// register and one whose operand is a register rotated by 8/16/24.
527 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
528 multiclass AI_unary_rrot<bits<8> opcod, string opc, PatFrag opnode> {
529 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
530 IIC_iUNAr, opc, "\t$dst, $src",
531 [(set GPR:$dst, (opnode GPR:$src))]>,
532 Requires<[IsARM, HasV6]> {
533 let Inst{11-10} = 0b00;
534 let Inst{19-16} = 0b1111;
536 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
537 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
538 [(set GPR:$dst, (opnode (rotr GPR:$src, rot_imm:$rot)))]>,
539 Requires<[IsARM, HasV6]> {
540 let Inst{19-16} = 0b1111;
544 multiclass AI_unary_rrot_np<bits<8> opcod, string opc> {
545 def r : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src),
546 IIC_iUNAr, opc, "\t$dst, $src",
547 [/* For disassembly only; pattern left blank */]>,
548 Requires<[IsARM, HasV6]> {
549 let Inst{11-10} = 0b00;
550 let Inst{19-16} = 0b1111;
552 def r_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$src, i32imm:$rot),
553 IIC_iUNAsi, opc, "\t$dst, $src, ror $rot",
554 [/* For disassembly only; pattern left blank */]>,
555 Requires<[IsARM, HasV6]> {
556 let Inst{19-16} = 0b1111;
560 /// AI_bin_rrot - A binary operation with two forms: one whose operand is a
561 /// register and one whose operand is a register rotated by 8/16/24.
562 multiclass AI_bin_rrot<bits<8> opcod, string opc, PatFrag opnode> {
563 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
564 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
565 [(set GPR:$dst, (opnode GPR:$LHS, GPR:$RHS))]>,
566 Requires<[IsARM, HasV6]> {
567 let Inst{11-10} = 0b00;
569 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
571 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
572 [(set GPR:$dst, (opnode GPR:$LHS,
573 (rotr GPR:$RHS, rot_imm:$rot)))]>,
574 Requires<[IsARM, HasV6]>;
577 // For disassembly only.
578 multiclass AI_bin_rrot_np<bits<8> opcod, string opc> {
579 def rr : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS),
580 IIC_iALUr, opc, "\t$dst, $LHS, $RHS",
581 [/* For disassembly only; pattern left blank */]>,
582 Requires<[IsARM, HasV6]> {
583 let Inst{11-10} = 0b00;
585 def rr_rot : AExtI<opcod, (outs GPR:$dst), (ins GPR:$LHS, GPR:$RHS,
587 IIC_iALUsi, opc, "\t$dst, $LHS, $RHS, ror $rot",
588 [/* For disassembly only; pattern left blank */]>,
589 Requires<[IsARM, HasV6]>;
592 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
593 let Uses = [CPSR] in {
594 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
595 bit Commutable = 0> {
596 def ri : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
597 DPFrm, IIC_iALUi, opc, "\t$dst, $a, $b",
598 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
602 def rr : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
603 DPFrm, IIC_iALUr, opc, "\t$dst, $a, $b",
604 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
606 let isCommutable = Commutable;
607 let Inst{11-4} = 0b00000000;
610 def rs : AsI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
611 DPSoRegFrm, IIC_iALUsr, opc, "\t$dst, $a, $b",
612 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
617 // Carry setting variants
618 let Defs = [CPSR] in {
619 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
620 bit Commutable = 0> {
621 def Sri : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
622 DPFrm, IIC_iALUi, !strconcat(opc, "\t$dst, $a, $b"),
623 [(set GPR:$dst, (opnode GPR:$a, so_imm:$b))]>,
628 def Srr : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
629 DPFrm, IIC_iALUr, !strconcat(opc, "\t$dst, $a, $b"),
630 [(set GPR:$dst, (opnode GPR:$a, GPR:$b))]>,
632 let Inst{11-4} = 0b00000000;
636 def Srs : AXI1<opcod, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
637 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$dst, $a, $b"),
638 [(set GPR:$dst, (opnode GPR:$a, so_reg:$b))]>,
647 //===----------------------------------------------------------------------===//
649 //===----------------------------------------------------------------------===//
651 //===----------------------------------------------------------------------===//
652 // Miscellaneous Instructions.
655 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
656 /// the function. The first operand is the ID# for this instruction, the second
657 /// is the index into the MachineConstantPool that this is, the third is the
658 /// size in bytes of this constant pool entry.
659 let neverHasSideEffects = 1, isNotDuplicable = 1 in
660 def CONSTPOOL_ENTRY :
661 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
662 i32imm:$size), NoItinerary,
663 "${instid:label} ${cpidx:cpentry}", []>;
665 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
666 // from removing one half of the matched pairs. That breaks PEI, which assumes
667 // these will always be in pairs, and asserts if it finds otherwise. Better way?
668 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
670 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary,
671 "${:comment} ADJCALLSTACKUP $amt1",
672 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
674 def ADJCALLSTACKDOWN :
675 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary,
676 "${:comment} ADJCALLSTACKDOWN $amt",
677 [(ARMcallseq_start timm:$amt)]>;
680 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
681 [/* For disassembly only; pattern left blank */]>,
682 Requires<[IsARM, HasV6T2]> {
683 let Inst{27-16} = 0b001100100000;
684 let Inst{7-0} = 0b00000000;
687 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
688 [/* For disassembly only; pattern left blank */]>,
689 Requires<[IsARM, HasV6T2]> {
690 let Inst{27-16} = 0b001100100000;
691 let Inst{7-0} = 0b00000001;
694 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
695 [/* For disassembly only; pattern left blank */]>,
696 Requires<[IsARM, HasV6T2]> {
697 let Inst{27-16} = 0b001100100000;
698 let Inst{7-0} = 0b00000010;
701 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
702 [/* For disassembly only; pattern left blank */]>,
703 Requires<[IsARM, HasV6T2]> {
704 let Inst{27-16} = 0b001100100000;
705 let Inst{7-0} = 0b00000011;
708 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
710 [/* For disassembly only; pattern left blank */]>,
711 Requires<[IsARM, HasV6]> {
712 let Inst{27-20} = 0b01101000;
713 let Inst{7-4} = 0b1011;
716 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
717 [/* For disassembly only; pattern left blank */]>,
718 Requires<[IsARM, HasV6T2]> {
719 let Inst{27-16} = 0b001100100000;
720 let Inst{7-0} = 0b00000100;
723 // The i32imm operand $val can be used by a debugger to store more information
724 // about the breakpoint.
725 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
726 [/* For disassembly only; pattern left blank */]>,
728 let Inst{27-20} = 0b00010010;
729 let Inst{7-4} = 0b0111;
732 // Change Processor State is a system instruction -- for disassembly only.
733 // The singleton $opt operand contains the following information:
734 // opt{4-0} = mode from Inst{4-0}
735 // opt{5} = changemode from Inst{17}
736 // opt{8-6} = AIF from Inst{8-6}
737 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
738 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
739 [/* For disassembly only; pattern left blank */]>,
741 let Inst{31-28} = 0b1111;
742 let Inst{27-20} = 0b00010000;
747 // Preload signals the memory system of possible future data/instruction access.
748 // These are for disassembly only.
750 // A8.6.117, A8.6.118. Different instructions are generated for #0 and #-0.
751 // The neg_zero operand translates -0 to -1, -1 to -2, ..., etc.
752 multiclass APreLoad<bit data, bit read, string opc> {
754 def i : AXI<(outs), (ins GPR:$base, neg_zero:$imm), MiscFrm, NoItinerary,
755 !strconcat(opc, "\t[$base, $imm]"), []> {
756 let Inst{31-26} = 0b111101;
757 let Inst{25} = 0; // 0 for immediate form
760 let Inst{21-20} = 0b01;
763 def r : AXI<(outs), (ins addrmode2:$addr), MiscFrm, NoItinerary,
764 !strconcat(opc, "\t$addr"), []> {
765 let Inst{31-26} = 0b111101;
766 let Inst{25} = 1; // 1 for register form
769 let Inst{21-20} = 0b01;
774 defm PLD : APreLoad<1, 1, "pld">;
775 defm PLDW : APreLoad<1, 0, "pldw">;
776 defm PLI : APreLoad<0, 1, "pli">;
778 def SETENDBE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tbe",
779 [/* For disassembly only; pattern left blank */]>,
781 let Inst{31-28} = 0b1111;
782 let Inst{27-20} = 0b00010000;
785 let Inst{7-4} = 0b0000;
788 def SETENDLE : AXI<(outs),(ins), MiscFrm, NoItinerary, "setend\tle",
789 [/* For disassembly only; pattern left blank */]>,
791 let Inst{31-28} = 0b1111;
792 let Inst{27-20} = 0b00010000;
795 let Inst{7-4} = 0b0000;
798 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
799 [/* For disassembly only; pattern left blank */]>,
800 Requires<[IsARM, HasV7]> {
801 let Inst{27-16} = 0b001100100000;
802 let Inst{7-4} = 0b1111;
805 // A5.4 Permanently UNDEFINED instructions.
806 // FIXME: Temporary emitted as raw bytes until this pseudo-op will be added to
808 let isBarrier = 1, isTerminator = 1 in
809 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
810 ".long 0xe7ffdefe ${:comment} trap", [(trap)]>,
812 let Inst{27-25} = 0b011;
813 let Inst{24-20} = 0b11111;
814 let Inst{7-5} = 0b111;
818 // Address computation and loads and stores in PIC mode.
819 let isNotDuplicable = 1 in {
820 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
821 Pseudo, IIC_iALUr, "\n$cp:\n\tadd$p\t$dst, pc, $a",
822 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
824 let AddedComplexity = 10 in {
825 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
826 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldr$p\t$dst, $addr",
827 [(set GPR:$dst, (load addrmodepc:$addr))]>;
829 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
830 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrh${p}\t$dst, $addr",
831 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
833 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
834 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrb${p}\t$dst, $addr",
835 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
837 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
838 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsh${p}\t$dst, $addr",
839 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
841 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
842 Pseudo, IIC_iLoadr, "\n${addr:label}:\n\tldrsb${p}\t$dst, $addr",
843 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
845 let AddedComplexity = 10 in {
846 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
847 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstr$p\t$src, $addr",
848 [(store GPR:$src, addrmodepc:$addr)]>;
850 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
851 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrh${p}\t$src, $addr",
852 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
854 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
855 Pseudo, IIC_iStorer, "\n${addr:label}:\n\tstrb${p}\t$src, $addr",
856 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
858 } // isNotDuplicable = 1
861 // LEApcrel - Load a pc-relative address into a register without offending the
863 let neverHasSideEffects = 1 in {
864 let isReMaterializable = 1 in
865 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
867 "adr$p\t$dst, #$label", []>;
869 } // neverHasSideEffects
870 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
871 (ins i32imm:$label, nohash_imm:$id, pred:$p),
873 "adr$p\t$dst, #${label}_${id}", []> {
877 //===----------------------------------------------------------------------===//
878 // Control Flow Instructions.
881 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
883 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
884 "bx", "\tlr", [(ARMretflag)]>,
885 Requires<[IsARM, HasV4T]> {
886 let Inst{3-0} = 0b1110;
887 let Inst{7-4} = 0b0001;
888 let Inst{19-8} = 0b111111111111;
889 let Inst{27-20} = 0b00010010;
893 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
894 "mov", "\tpc, lr", [(ARMretflag)]>,
895 Requires<[IsARM, NoV4T]> {
896 let Inst{11-0} = 0b000000001110;
897 let Inst{15-12} = 0b1111;
898 let Inst{19-16} = 0b0000;
899 let Inst{27-20} = 0b00011010;
904 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
906 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
908 Requires<[IsARM, HasV4T]> {
909 let Inst{7-4} = 0b0001;
910 let Inst{19-8} = 0b111111111111;
911 let Inst{27-20} = 0b00010010;
912 let Inst{31-28} = 0b1110;
916 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
918 Requires<[IsARM, NoV4T]> {
919 let Inst{11-4} = 0b00000000;
920 let Inst{15-12} = 0b1111;
921 let Inst{19-16} = 0b0000;
922 let Inst{27-20} = 0b00011010;
923 let Inst{31-28} = 0b1110;
927 // FIXME: remove when we have a way to marking a MI with these properties.
928 // FIXME: Should pc be an implicit operand like PICADD, etc?
929 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
930 hasExtraDefRegAllocReq = 1 in
931 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
932 reglist:$dsts, variable_ops),
933 IndexModeUpd, LdStMulFrm, IIC_Br,
934 "ldm${addr:submode}${p}\t$addr!, $dsts",
935 "$addr.addr = $wb", []>;
937 // On non-Darwin platforms R9 is callee-saved.
939 Defs = [R0, R1, R2, R3, R12, LR,
940 D0, D1, D2, D3, D4, D5, D6, D7,
941 D16, D17, D18, D19, D20, D21, D22, D23,
942 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
943 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
944 IIC_Br, "bl\t${func:call}",
945 [(ARMcall tglobaladdr:$func)]>,
946 Requires<[IsARM, IsNotDarwin]> {
947 let Inst{31-28} = 0b1110;
950 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
951 IIC_Br, "bl", "\t${func:call}",
952 [(ARMcall_pred tglobaladdr:$func)]>,
953 Requires<[IsARM, IsNotDarwin]>;
956 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
957 IIC_Br, "blx\t$func",
958 [(ARMcall GPR:$func)]>,
959 Requires<[IsARM, HasV5T, IsNotDarwin]> {
960 let Inst{7-4} = 0b0011;
961 let Inst{19-8} = 0b111111111111;
962 let Inst{27-20} = 0b00010010;
966 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
967 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
968 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
969 [(ARMcall_nolink tGPR:$func)]>,
970 Requires<[IsARM, HasV4T, IsNotDarwin]> {
971 let Inst{7-4} = 0b0001;
972 let Inst{19-8} = 0b111111111111;
973 let Inst{27-20} = 0b00010010;
977 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
978 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
979 [(ARMcall_nolink tGPR:$func)]>,
980 Requires<[IsARM, NoV4T, IsNotDarwin]> {
981 let Inst{11-4} = 0b00000000;
982 let Inst{15-12} = 0b1111;
983 let Inst{19-16} = 0b0000;
984 let Inst{27-20} = 0b00011010;
988 // On Darwin R9 is call-clobbered.
990 Defs = [R0, R1, R2, R3, R9, R12, LR,
991 D0, D1, D2, D3, D4, D5, D6, D7,
992 D16, D17, D18, D19, D20, D21, D22, D23,
993 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
994 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
995 IIC_Br, "bl\t${func:call}",
996 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
997 let Inst{31-28} = 0b1110;
1000 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1001 IIC_Br, "bl", "\t${func:call}",
1002 [(ARMcall_pred tglobaladdr:$func)]>,
1003 Requires<[IsARM, IsDarwin]>;
1006 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1007 IIC_Br, "blx\t$func",
1008 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1009 let Inst{7-4} = 0b0011;
1010 let Inst{19-8} = 0b111111111111;
1011 let Inst{27-20} = 0b00010010;
1015 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1016 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1017 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1018 [(ARMcall_nolink tGPR:$func)]>,
1019 Requires<[IsARM, HasV4T, IsDarwin]> {
1020 let Inst{7-4} = 0b0001;
1021 let Inst{19-8} = 0b111111111111;
1022 let Inst{27-20} = 0b00010010;
1026 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1027 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1028 [(ARMcall_nolink tGPR:$func)]>,
1029 Requires<[IsARM, NoV4T, IsDarwin]> {
1030 let Inst{11-4} = 0b00000000;
1031 let Inst{15-12} = 0b1111;
1032 let Inst{19-16} = 0b0000;
1033 let Inst{27-20} = 0b00011010;
1039 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1041 let Defs = [R0, R1, R2, R3, R9, R12,
1042 D0, D1, D2, D3, D4, D5, D6, D7,
1043 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1044 D27, D28, D29, D30, D31, PC],
1046 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1048 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1050 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1052 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1054 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1055 IIC_Br, "b\t$dst @ TAILCALL",
1056 []>, Requires<[IsDarwin]>;
1058 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1059 IIC_Br, "b.w\t$dst @ TAILCALL",
1060 []>, Requires<[IsDarwin]>;
1062 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1063 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1064 []>, Requires<[IsDarwin]> {
1065 let Inst{7-4} = 0b0001;
1066 let Inst{19-8} = 0b111111111111;
1067 let Inst{27-20} = 0b00010010;
1068 let Inst{31-28} = 0b1110;
1072 // Non-Darwin versions (the difference is R9).
1073 let Defs = [R0, R1, R2, R3, R12,
1074 D0, D1, D2, D3, D4, D5, D6, D7,
1075 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1076 D27, D28, D29, D30, D31, PC],
1078 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1080 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1082 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1084 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1086 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1087 IIC_Br, "b\t$dst @ TAILCALL",
1088 []>, Requires<[IsARM, IsNotDarwin]>;
1090 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1091 IIC_Br, "b.w\t$dst @ TAILCALL",
1092 []>, Requires<[IsThumb, IsNotDarwin]>;
1094 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1095 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1096 []>, Requires<[IsNotDarwin]> {
1097 let Inst{7-4} = 0b0001;
1098 let Inst{19-8} = 0b111111111111;
1099 let Inst{27-20} = 0b00010010;
1100 let Inst{31-28} = 0b1110;
1105 let isBranch = 1, isTerminator = 1 in {
1106 // B is "predicable" since it can be xformed into a Bcc.
1107 let isBarrier = 1 in {
1108 let isPredicable = 1 in
1109 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1110 "b\t$target", [(br bb:$target)]>;
1112 let isNotDuplicable = 1, isIndirectBranch = 1 in {
1113 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1114 IIC_Br, "mov\tpc, $target$jt",
1115 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1116 let Inst{11-4} = 0b00000000;
1117 let Inst{15-12} = 0b1111;
1118 let Inst{20} = 0; // S Bit
1119 let Inst{24-21} = 0b1101;
1120 let Inst{27-25} = 0b000;
1122 def BR_JTm : JTI<(outs),
1123 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1124 IIC_Br, "ldr\tpc, $target$jt",
1125 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1127 let Inst{15-12} = 0b1111;
1128 let Inst{20} = 1; // L bit
1129 let Inst{21} = 0; // W bit
1130 let Inst{22} = 0; // B bit
1131 let Inst{24} = 1; // P bit
1132 let Inst{27-25} = 0b011;
1134 def BR_JTadd : JTI<(outs),
1135 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1136 IIC_Br, "add\tpc, $target, $idx$jt",
1137 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1139 let Inst{15-12} = 0b1111;
1140 let Inst{20} = 0; // S bit
1141 let Inst{24-21} = 0b0100;
1142 let Inst{27-25} = 0b000;
1144 } // isNotDuplicable = 1, isIndirectBranch = 1
1147 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1148 // a two-value operand where a dag node expects two operands. :(
1149 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1150 IIC_Br, "b", "\t$target",
1151 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1154 // Branch and Exchange Jazelle -- for disassembly only
1155 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1156 [/* For disassembly only; pattern left blank */]> {
1157 let Inst{23-20} = 0b0010;
1158 //let Inst{19-8} = 0xfff;
1159 let Inst{7-4} = 0b0010;
1162 // Secure Monitor Call is a system instruction -- for disassembly only
1163 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1164 [/* For disassembly only; pattern left blank */]> {
1165 let Inst{23-20} = 0b0110;
1166 let Inst{7-4} = 0b0111;
1169 // Supervisor Call (Software Interrupt) -- for disassembly only
1171 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1172 [/* For disassembly only; pattern left blank */]>;
1175 // Store Return State is a system instruction -- for disassembly only
1176 def SRSW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1177 NoItinerary, "srs${addr:submode}\tsp!, $mode",
1178 [/* For disassembly only; pattern left blank */]> {
1179 let Inst{31-28} = 0b1111;
1180 let Inst{22-20} = 0b110; // W = 1
1183 def SRS : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, i32imm:$mode),
1184 NoItinerary, "srs${addr:submode}\tsp, $mode",
1185 [/* For disassembly only; pattern left blank */]> {
1186 let Inst{31-28} = 0b1111;
1187 let Inst{22-20} = 0b100; // W = 0
1190 // Return From Exception is a system instruction -- for disassembly only
1191 def RFEW : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1192 NoItinerary, "rfe${addr:submode}\t$base!",
1193 [/* For disassembly only; pattern left blank */]> {
1194 let Inst{31-28} = 0b1111;
1195 let Inst{22-20} = 0b011; // W = 1
1198 def RFE : ABXI<{1,0,0,?}, (outs), (ins addrmode4:$addr, GPR:$base),
1199 NoItinerary, "rfe${addr:submode}\t$base",
1200 [/* For disassembly only; pattern left blank */]> {
1201 let Inst{31-28} = 0b1111;
1202 let Inst{22-20} = 0b001; // W = 0
1205 //===----------------------------------------------------------------------===//
1206 // Load / store Instructions.
1210 let canFoldAsLoad = 1, isReMaterializable = 1 in
1211 def LDR : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1212 "ldr", "\t$dst, $addr",
1213 [(set GPR:$dst, (load addrmode2:$addr))]>;
1215 // Special LDR for loads from non-pc-relative constpools.
1216 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1217 isReMaterializable = 1 in
1218 def LDRcp : AI2ldw<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm, IIC_iLoadr,
1219 "ldr", "\t$dst, $addr", []>;
1221 // Loads with zero extension
1222 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1223 IIC_iLoadr, "ldrh", "\t$dst, $addr",
1224 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1226 def LDRB : AI2ldb<(outs GPR:$dst), (ins addrmode2:$addr), LdFrm,
1227 IIC_iLoadr, "ldrb", "\t$dst, $addr",
1228 [(set GPR:$dst, (zextloadi8 addrmode2:$addr))]>;
1230 // Loads with sign extension
1231 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1232 IIC_iLoadr, "ldrsh", "\t$dst, $addr",
1233 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1235 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1236 IIC_iLoadr, "ldrsb", "\t$dst, $addr",
1237 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1239 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1241 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1242 IIC_iLoadr, "ldrd", "\t$dst1, $addr",
1243 []>, Requires<[IsARM, HasV5TE]>;
1246 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1247 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1248 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1250 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1251 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1252 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1254 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1255 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1256 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1258 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1259 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1260 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1262 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1263 (ins addrmode2:$addr), LdFrm, IIC_iLoadru,
1264 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1266 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1267 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1268 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1270 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1271 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1272 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1274 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1275 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1276 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1278 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1279 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadru,
1280 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1282 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1283 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1284 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1286 // For disassembly only
1287 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1288 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoadr,
1289 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1290 Requires<[IsARM, HasV5TE]>;
1292 // For disassembly only
1293 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1294 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadr,
1295 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1296 Requires<[IsARM, HasV5TE]>;
1298 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1300 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1302 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1303 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoadru,
1304 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1305 let Inst{21} = 1; // overwrite
1308 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1309 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoadru,
1310 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1311 let Inst{21} = 1; // overwrite
1314 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1315 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1316 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1317 let Inst{21} = 1; // overwrite
1320 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1321 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1322 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1323 let Inst{21} = 1; // overwrite
1326 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1327 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoadru,
1328 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1329 let Inst{21} = 1; // overwrite
1333 def STR : AI2stw<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1334 "str", "\t$src, $addr",
1335 [(store GPR:$src, addrmode2:$addr)]>;
1337 // Stores with truncate
1338 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1339 IIC_iStorer, "strh", "\t$src, $addr",
1340 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1342 def STRB : AI2stb<(outs), (ins GPR:$src, addrmode2:$addr), StFrm, IIC_iStorer,
1343 "strb", "\t$src, $addr",
1344 [(truncstorei8 GPR:$src, addrmode2:$addr)]>;
1347 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in
1348 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1349 StMiscFrm, IIC_iStorer,
1350 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1353 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1354 (ins GPR:$src, GPR:$base, am2offset:$offset),
1355 StFrm, IIC_iStoreru,
1356 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1358 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1360 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1361 (ins GPR:$src, GPR:$base,am2offset:$offset),
1362 StFrm, IIC_iStoreru,
1363 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1365 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1367 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1368 (ins GPR:$src, GPR:$base,am3offset:$offset),
1369 StMiscFrm, IIC_iStoreru,
1370 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1372 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1374 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1375 (ins GPR:$src, GPR:$base,am3offset:$offset),
1376 StMiscFrm, IIC_iStoreru,
1377 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1378 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1379 GPR:$base, am3offset:$offset))]>;
1381 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1382 (ins GPR:$src, GPR:$base,am2offset:$offset),
1383 StFrm, IIC_iStoreru,
1384 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1385 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1386 GPR:$base, am2offset:$offset))]>;
1388 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1389 (ins GPR:$src, GPR:$base,am2offset:$offset),
1390 StFrm, IIC_iStoreru,
1391 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1392 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1393 GPR:$base, am2offset:$offset))]>;
1395 // For disassembly only
1396 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1397 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1398 StMiscFrm, IIC_iStoreru,
1399 "strd", "\t$src1, $src2, [$base, $offset]!",
1400 "$base = $base_wb", []>;
1402 // For disassembly only
1403 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1404 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1405 StMiscFrm, IIC_iStoreru,
1406 "strd", "\t$src1, $src2, [$base], $offset",
1407 "$base = $base_wb", []>;
1409 // STRT, STRBT, and STRHT are for disassembly only.
1411 def STRT : AI2stwpo<(outs GPR:$base_wb),
1412 (ins GPR:$src, GPR:$base,am2offset:$offset),
1413 StFrm, IIC_iStoreru,
1414 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1415 [/* For disassembly only; pattern left blank */]> {
1416 let Inst{21} = 1; // overwrite
1419 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1420 (ins GPR:$src, GPR:$base,am2offset:$offset),
1421 StFrm, IIC_iStoreru,
1422 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1423 [/* For disassembly only; pattern left blank */]> {
1424 let Inst{21} = 1; // overwrite
1427 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1428 (ins GPR:$src, GPR:$base,am3offset:$offset),
1429 StMiscFrm, IIC_iStoreru,
1430 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1431 [/* For disassembly only; pattern left blank */]> {
1432 let Inst{21} = 1; // overwrite
1435 //===----------------------------------------------------------------------===//
1436 // Load / store multiple Instructions.
1439 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1 in {
1440 def LDM : AXI4ld<(outs), (ins addrmode4:$addr, pred:$p,
1441 reglist:$dsts, variable_ops),
1442 IndexModeNone, LdStMulFrm, IIC_iLoadm,
1443 "ldm${addr:submode}${p}\t$addr, $dsts", "", []>;
1445 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1446 reglist:$dsts, variable_ops),
1447 IndexModeUpd, LdStMulFrm, IIC_iLoadm,
1448 "ldm${addr:submode}${p}\t$addr!, $dsts",
1449 "$addr.addr = $wb", []>;
1450 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1452 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1 in {
1453 def STM : AXI4st<(outs), (ins addrmode4:$addr, pred:$p,
1454 reglist:$srcs, variable_ops),
1455 IndexModeNone, LdStMulFrm, IIC_iStorem,
1456 "stm${addr:submode}${p}\t$addr, $srcs", "", []>;
1458 def STM_UPD : AXI4st<(outs GPR:$wb), (ins addrmode4:$addr, pred:$p,
1459 reglist:$srcs, variable_ops),
1460 IndexModeUpd, LdStMulFrm, IIC_iStorem,
1461 "stm${addr:submode}${p}\t$addr!, $srcs",
1462 "$addr.addr = $wb", []>;
1463 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1465 //===----------------------------------------------------------------------===//
1466 // Move Instructions.
1469 let neverHasSideEffects = 1 in
1470 def MOVr : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1471 "mov", "\t$dst, $src", []>, UnaryDP {
1472 let Inst{11-4} = 0b00000000;
1476 // A version for the smaller set of tail call registers.
1477 let neverHasSideEffects = 1 in
1478 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$dst), (ins tcGPR:$src), DPFrm,
1479 IIC_iMOVr, "mov", "\t$dst, $src", []>, UnaryDP {
1480 let Inst{11-4} = 0b00000000;
1484 def MOVs : AsI1<0b1101, (outs GPR:$dst), (ins so_reg:$src),
1485 DPSoRegFrm, IIC_iMOVsr,
1486 "mov", "\t$dst, $src", [(set GPR:$dst, so_reg:$src)]>, UnaryDP {
1490 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1491 def MOVi : AsI1<0b1101, (outs GPR:$dst), (ins so_imm:$src), DPFrm, IIC_iMOVi,
1492 "mov", "\t$dst, $src", [(set GPR:$dst, so_imm:$src)]>, UnaryDP {
1496 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1497 def MOVi16 : AI1<0b1000, (outs GPR:$dst), (ins i32imm:$src),
1499 "movw", "\t$dst, $src",
1500 [(set GPR:$dst, imm0_65535:$src)]>,
1501 Requires<[IsARM, HasV6T2]>, UnaryDP {
1506 let Constraints = "$src = $dst" in
1507 def MOVTi16 : AI1<0b1010, (outs GPR:$dst), (ins GPR:$src, i32imm:$imm),
1509 "movt", "\t$dst, $imm",
1511 (or (and GPR:$src, 0xffff),
1512 lo16AllZero:$imm))]>, UnaryDP,
1513 Requires<[IsARM, HasV6T2]> {
1518 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1519 Requires<[IsARM, HasV6T2]>;
1521 let Uses = [CPSR] in
1522 def MOVrx : AsI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo, IIC_iMOVsi,
1523 "mov", "\t$dst, $src, rrx",
1524 [(set GPR:$dst, (ARMrrx GPR:$src))]>, UnaryDP;
1526 // These aren't really mov instructions, but we have to define them this way
1527 // due to flag operands.
1529 let Defs = [CPSR] in {
1530 def MOVsrl_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1531 IIC_iMOVsi, "movs", "\t$dst, $src, lsr #1",
1532 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP;
1533 def MOVsra_flag : AI1<0b1101, (outs GPR:$dst), (ins GPR:$src), Pseudo,
1534 IIC_iMOVsi, "movs", "\t$dst, $src, asr #1",
1535 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP;
1538 //===----------------------------------------------------------------------===//
1539 // Extend Instructions.
1544 defm SXTB : AI_unary_rrot<0b01101010,
1545 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1546 defm SXTH : AI_unary_rrot<0b01101011,
1547 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1549 defm SXTAB : AI_bin_rrot<0b01101010,
1550 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1551 defm SXTAH : AI_bin_rrot<0b01101011,
1552 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1554 // For disassembly only
1555 defm SXTB16 : AI_unary_rrot_np<0b01101000, "sxtb16">;
1557 // For disassembly only
1558 defm SXTAB16 : AI_bin_rrot_np<0b01101000, "sxtab16">;
1562 let AddedComplexity = 16 in {
1563 defm UXTB : AI_unary_rrot<0b01101110,
1564 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1565 defm UXTH : AI_unary_rrot<0b01101111,
1566 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1567 defm UXTB16 : AI_unary_rrot<0b01101100,
1568 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1570 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1571 // The transformation should probably be done as a combiner action
1572 // instead so we can include a check for masking back in the upper
1573 // eight bits of the source into the lower eight bits of the result.
1574 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1575 // (UXTB16r_rot GPR:$Src, 24)>;
1576 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1577 (UXTB16r_rot GPR:$Src, 8)>;
1579 defm UXTAB : AI_bin_rrot<0b01101110, "uxtab",
1580 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1581 defm UXTAH : AI_bin_rrot<0b01101111, "uxtah",
1582 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1585 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1586 // For disassembly only
1587 defm UXTAB16 : AI_bin_rrot_np<0b01101100, "uxtab16">;
1590 def SBFX : I<(outs GPR:$dst),
1591 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1592 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1593 "sbfx", "\t$dst, $src, $lsb, $width", "", []>,
1594 Requires<[IsARM, HasV6T2]> {
1595 let Inst{27-21} = 0b0111101;
1596 let Inst{6-4} = 0b101;
1599 def UBFX : I<(outs GPR:$dst),
1600 (ins GPR:$src, imm0_31:$lsb, imm0_31:$width),
1601 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iALUi,
1602 "ubfx", "\t$dst, $src, $lsb, $width", "", []>,
1603 Requires<[IsARM, HasV6T2]> {
1604 let Inst{27-21} = 0b0111111;
1605 let Inst{6-4} = 0b101;
1608 //===----------------------------------------------------------------------===//
1609 // Arithmetic Instructions.
1612 defm ADD : AsI1_bin_irs<0b0100, "add",
1613 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1614 defm SUB : AsI1_bin_irs<0b0010, "sub",
1615 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1617 // ADD and SUB with 's' bit set.
1618 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1619 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1620 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1621 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1623 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1624 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1625 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1626 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1627 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1628 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1629 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1630 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1632 // These don't define reg/reg forms, because they are handled above.
1633 def RSBri : AsI1<0b0011, (outs GPR:$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 def RSBrs : AsI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1640 IIC_iALUsr, "rsb", "\t$dst, $a, $b",
1641 [(set GPR:$dst, (sub so_reg:$b, GPR:$a))]> {
1645 // RSB with 's' bit set.
1646 let Defs = [CPSR] in {
1647 def RSBSri : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_imm:$b), DPFrm,
1648 IIC_iALUi, "rsbs", "\t$dst, $a, $b",
1649 [(set GPR:$dst, (subc so_imm:$b, GPR:$a))]> {
1653 def RSBSrs : AI1<0b0011, (outs GPR:$dst), (ins GPR:$a, so_reg:$b), DPSoRegFrm,
1654 IIC_iALUsr, "rsbs", "\t$dst, $a, $b",
1655 [(set GPR:$dst, (subc so_reg:$b, GPR:$a))]> {
1661 let Uses = [CPSR] in {
1662 def RSCri : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1663 DPFrm, IIC_iALUi, "rsc", "\t$dst, $a, $b",
1664 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1668 def RSCrs : AsI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1669 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$dst, $a, $b",
1670 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1676 // FIXME: Allow these to be predicated.
1677 let Defs = [CPSR], Uses = [CPSR] in {
1678 def RSCSri : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_imm:$b),
1679 DPFrm, IIC_iALUi, "rscs\t$dst, $a, $b",
1680 [(set GPR:$dst, (sube_dead_carry so_imm:$b, GPR:$a))]>,
1685 def RSCSrs : AXI1<0b0111, (outs GPR:$dst), (ins GPR:$a, so_reg:$b),
1686 DPSoRegFrm, IIC_iALUsr, "rscs\t$dst, $a, $b",
1687 [(set GPR:$dst, (sube_dead_carry so_reg:$b, GPR:$a))]>,
1694 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
1695 // The assume-no-carry-in form uses the negation of the input since add/sub
1696 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
1697 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
1699 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
1700 (SUBri GPR:$src, so_imm_neg:$imm)>;
1701 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
1702 (SUBSri GPR:$src, so_imm_neg:$imm)>;
1703 // The with-carry-in form matches bitwise not instead of the negation.
1704 // Effectively, the inverse interpretation of the carry flag already accounts
1705 // for part of the negation.
1706 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
1707 (SBCri GPR:$src, so_imm_not:$imm)>;
1709 // Note: These are implemented in C++ code, because they have to generate
1710 // ADD/SUBrs instructions, which use a complex pattern that a xform function
1712 // (mul X, 2^n+1) -> (add (X << n), X)
1713 // (mul X, 2^n-1) -> (rsb X, (X << n))
1715 // ARM Arithmetic Instruction -- for disassembly only
1716 // GPR:$dst = GPR:$a op GPR:$b
1717 class AAI<bits<8> op27_20, bits<4> op7_4, string opc,
1718 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
1719 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, IIC_iALUr,
1720 opc, "\t$dst, $a, $b", pattern> {
1721 let Inst{27-20} = op27_20;
1722 let Inst{7-4} = op7_4;
1725 // Saturating add/subtract -- for disassembly only
1727 def QADD : AAI<0b00010000, 0b0101, "qadd",
1728 [(set GPR:$dst, (int_arm_qadd GPR:$a, GPR:$b))]>;
1729 def QADD16 : AAI<0b01100010, 0b0001, "qadd16">;
1730 def QADD8 : AAI<0b01100010, 0b1001, "qadd8">;
1731 def QASX : AAI<0b01100010, 0b0011, "qasx">;
1732 def QDADD : AAI<0b00010100, 0b0101, "qdadd">;
1733 def QDSUB : AAI<0b00010110, 0b0101, "qdsub">;
1734 def QSAX : AAI<0b01100010, 0b0101, "qsax">;
1735 def QSUB : AAI<0b00010010, 0b0101, "qsub",
1736 [(set GPR:$dst, (int_arm_qsub GPR:$a, GPR:$b))]>;
1737 def QSUB16 : AAI<0b01100010, 0b0111, "qsub16">;
1738 def QSUB8 : AAI<0b01100010, 0b1111, "qsub8">;
1739 def UQADD16 : AAI<0b01100110, 0b0001, "uqadd16">;
1740 def UQADD8 : AAI<0b01100110, 0b1001, "uqadd8">;
1741 def UQASX : AAI<0b01100110, 0b0011, "uqasx">;
1742 def UQSAX : AAI<0b01100110, 0b0101, "uqsax">;
1743 def UQSUB16 : AAI<0b01100110, 0b0111, "uqsub16">;
1744 def UQSUB8 : AAI<0b01100110, 0b1111, "uqsub8">;
1746 // Signed/Unsigned add/subtract -- for disassembly only
1748 def SASX : AAI<0b01100001, 0b0011, "sasx">;
1749 def SADD16 : AAI<0b01100001, 0b0001, "sadd16">;
1750 def SADD8 : AAI<0b01100001, 0b1001, "sadd8">;
1751 def SSAX : AAI<0b01100001, 0b0101, "ssax">;
1752 def SSUB16 : AAI<0b01100001, 0b0111, "ssub16">;
1753 def SSUB8 : AAI<0b01100001, 0b1111, "ssub8">;
1754 def UASX : AAI<0b01100101, 0b0011, "uasx">;
1755 def UADD16 : AAI<0b01100101, 0b0001, "uadd16">;
1756 def UADD8 : AAI<0b01100101, 0b1001, "uadd8">;
1757 def USAX : AAI<0b01100101, 0b0101, "usax">;
1758 def USUB16 : AAI<0b01100101, 0b0111, "usub16">;
1759 def USUB8 : AAI<0b01100101, 0b1111, "usub8">;
1761 // Signed/Unsigned halving add/subtract -- for disassembly only
1763 def SHASX : AAI<0b01100011, 0b0011, "shasx">;
1764 def SHADD16 : AAI<0b01100011, 0b0001, "shadd16">;
1765 def SHADD8 : AAI<0b01100011, 0b1001, "shadd8">;
1766 def SHSAX : AAI<0b01100011, 0b0101, "shsax">;
1767 def SHSUB16 : AAI<0b01100011, 0b0111, "shsub16">;
1768 def SHSUB8 : AAI<0b01100011, 0b1111, "shsub8">;
1769 def UHASX : AAI<0b01100111, 0b0011, "uhasx">;
1770 def UHADD16 : AAI<0b01100111, 0b0001, "uhadd16">;
1771 def UHADD8 : AAI<0b01100111, 0b1001, "uhadd8">;
1772 def UHSAX : AAI<0b01100111, 0b0101, "uhsax">;
1773 def UHSUB16 : AAI<0b01100111, 0b0111, "uhsub16">;
1774 def UHSUB8 : AAI<0b01100111, 0b1111, "uhsub8">;
1776 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
1778 def USAD8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b),
1779 MulFrm /* for convenience */, NoItinerary, "usad8",
1780 "\t$dst, $a, $b", []>,
1781 Requires<[IsARM, HasV6]> {
1782 let Inst{27-20} = 0b01111000;
1783 let Inst{15-12} = 0b1111;
1784 let Inst{7-4} = 0b0001;
1786 def USADA8 : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
1787 MulFrm /* for convenience */, NoItinerary, "usada8",
1788 "\t$dst, $a, $b, $acc", []>,
1789 Requires<[IsARM, HasV6]> {
1790 let Inst{27-20} = 0b01111000;
1791 let Inst{7-4} = 0b0001;
1794 // Signed/Unsigned saturate -- for disassembly only
1796 def SSATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1797 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, lsl $shamt",
1798 [/* For disassembly only; pattern left blank */]> {
1799 let Inst{27-21} = 0b0110101;
1800 let Inst{6-4} = 0b001;
1803 def SSATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1804 DPFrm, NoItinerary, "ssat", "\t$dst, $bit_pos, $a, asr $shamt",
1805 [/* For disassembly only; pattern left blank */]> {
1806 let Inst{27-21} = 0b0110101;
1807 let Inst{6-4} = 0b101;
1810 def SSAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1811 NoItinerary, "ssat16", "\t$dst, $bit_pos, $a",
1812 [/* For disassembly only; pattern left blank */]> {
1813 let Inst{27-20} = 0b01101010;
1814 let Inst{7-4} = 0b0011;
1817 def USATlsl : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1818 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, lsl $shamt",
1819 [/* For disassembly only; pattern left blank */]> {
1820 let Inst{27-21} = 0b0110111;
1821 let Inst{6-4} = 0b001;
1824 def USATasr : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a, i32imm:$shamt),
1825 DPFrm, NoItinerary, "usat", "\t$dst, $bit_pos, $a, asr $shamt",
1826 [/* For disassembly only; pattern left blank */]> {
1827 let Inst{27-21} = 0b0110111;
1828 let Inst{6-4} = 0b101;
1831 def USAT16 : AI<(outs GPR:$dst), (ins i32imm:$bit_pos, GPR:$a), DPFrm,
1832 NoItinerary, "usat16", "\t$dst, $bit_pos, $a",
1833 [/* For disassembly only; pattern left blank */]> {
1834 let Inst{27-20} = 0b01101110;
1835 let Inst{7-4} = 0b0011;
1838 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSATlsl imm:$pos, GPR:$a, 0)>;
1839 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USATlsl imm:$pos, GPR:$a, 0)>;
1841 //===----------------------------------------------------------------------===//
1842 // Bitwise Instructions.
1845 defm AND : AsI1_bin_irs<0b0000, "and",
1846 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
1847 defm ORR : AsI1_bin_irs<0b1100, "orr",
1848 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
1849 defm EOR : AsI1_bin_irs<0b0001, "eor",
1850 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
1851 defm BIC : AsI1_bin_irs<0b1110, "bic",
1852 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
1854 def BFC : I<(outs GPR:$dst), (ins GPR:$src, bf_inv_mask_imm:$imm),
1855 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1856 "bfc", "\t$dst, $imm", "$src = $dst",
1857 [(set GPR:$dst, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
1858 Requires<[IsARM, HasV6T2]> {
1859 let Inst{27-21} = 0b0111110;
1860 let Inst{6-0} = 0b0011111;
1863 // A8.6.18 BFI - Bitfield insert (Encoding A1)
1864 def BFI : I<(outs GPR:$dst), (ins GPR:$src, GPR:$val, bf_inv_mask_imm:$imm),
1865 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1866 "bfi", "\t$dst, $val, $imm", "$src = $dst",
1867 [(set GPR:$dst, (ARMbfi GPR:$src, GPR:$val,
1868 bf_inv_mask_imm:$imm))]>,
1869 Requires<[IsARM, HasV6T2]> {
1870 let Inst{27-21} = 0b0111110;
1871 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
1874 def MVNr : AsI1<0b1111, (outs GPR:$dst), (ins GPR:$src), DPFrm, IIC_iMOVr,
1875 "mvn", "\t$dst, $src",
1876 [(set GPR:$dst, (not GPR:$src))]>, UnaryDP {
1878 let Inst{11-4} = 0b00000000;
1880 def MVNs : AsI1<0b1111, (outs GPR:$dst), (ins so_reg:$src), DPSoRegFrm,
1881 IIC_iMOVsr, "mvn", "\t$dst, $src",
1882 [(set GPR:$dst, (not so_reg:$src))]>, UnaryDP {
1885 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1886 def MVNi : AsI1<0b1111, (outs GPR:$dst), (ins so_imm:$imm), DPFrm,
1887 IIC_iMOVi, "mvn", "\t$dst, $imm",
1888 [(set GPR:$dst, so_imm_not:$imm)]>,UnaryDP {
1892 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
1893 (BICri GPR:$src, so_imm_not:$imm)>;
1895 //===----------------------------------------------------------------------===//
1896 // Multiply Instructions.
1899 let isCommutable = 1 in
1900 def MUL : AsMul1I<0b0000000, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1901 IIC_iMUL32, "mul", "\t$dst, $a, $b",
1902 [(set GPR:$dst, (mul GPR:$a, GPR:$b))]>;
1904 def MLA : AsMul1I<0b0000001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1905 IIC_iMAC32, "mla", "\t$dst, $a, $b, $c",
1906 [(set GPR:$dst, (add (mul GPR:$a, GPR:$b), GPR:$c))]>;
1908 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1909 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
1910 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
1911 Requires<[IsARM, HasV6T2]>;
1913 // Extra precision multiplies with low / high results
1914 let neverHasSideEffects = 1 in {
1915 let isCommutable = 1 in {
1916 def SMULL : AsMul1I<0b0000110, (outs GPR:$ldst, GPR:$hdst),
1917 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1918 "smull", "\t$ldst, $hdst, $a, $b", []>;
1920 def UMULL : AsMul1I<0b0000100, (outs GPR:$ldst, GPR:$hdst),
1921 (ins GPR:$a, GPR:$b), IIC_iMUL64,
1922 "umull", "\t$ldst, $hdst, $a, $b", []>;
1925 // Multiply + accumulate
1926 def SMLAL : AsMul1I<0b0000111, (outs GPR:$ldst, GPR:$hdst),
1927 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1928 "smlal", "\t$ldst, $hdst, $a, $b", []>;
1930 def UMLAL : AsMul1I<0b0000101, (outs GPR:$ldst, GPR:$hdst),
1931 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1932 "umlal", "\t$ldst, $hdst, $a, $b", []>;
1934 def UMAAL : AMul1I <0b0000010, (outs GPR:$ldst, GPR:$hdst),
1935 (ins GPR:$a, GPR:$b), IIC_iMAC64,
1936 "umaal", "\t$ldst, $hdst, $a, $b", []>,
1937 Requires<[IsARM, HasV6]>;
1938 } // neverHasSideEffects
1940 // Most significant word multiply
1941 def SMMUL : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1942 IIC_iMUL32, "smmul", "\t$dst, $a, $b",
1943 [(set GPR:$dst, (mulhs GPR:$a, GPR:$b))]>,
1944 Requires<[IsARM, HasV6]> {
1945 let Inst{7-4} = 0b0001;
1946 let Inst{15-12} = 0b1111;
1949 def SMMULR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1950 IIC_iMUL32, "smmulr", "\t$dst, $a, $b",
1951 [/* For disassembly only; pattern left blank */]>,
1952 Requires<[IsARM, HasV6]> {
1953 let Inst{7-4} = 0b0011; // R = 1
1954 let Inst{15-12} = 0b1111;
1957 def SMMLA : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1958 IIC_iMAC32, "smmla", "\t$dst, $a, $b, $c",
1959 [(set GPR:$dst, (add (mulhs GPR:$a, GPR:$b), GPR:$c))]>,
1960 Requires<[IsARM, HasV6]> {
1961 let Inst{7-4} = 0b0001;
1964 def SMMLAR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1965 IIC_iMAC32, "smmlar", "\t$dst, $a, $b, $c",
1966 [/* For disassembly only; pattern left blank */]>,
1967 Requires<[IsARM, HasV6]> {
1968 let Inst{7-4} = 0b0011; // R = 1
1971 def SMMLS : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1972 IIC_iMAC32, "smmls", "\t$dst, $a, $b, $c",
1973 [(set GPR:$dst, (sub GPR:$c, (mulhs GPR:$a, GPR:$b)))]>,
1974 Requires<[IsARM, HasV6]> {
1975 let Inst{7-4} = 0b1101;
1978 def SMMLSR : AMul2I <0b0111010, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
1979 IIC_iMAC32, "smmlsr", "\t$dst, $a, $b, $c",
1980 [/* For disassembly only; pattern left blank */]>,
1981 Requires<[IsARM, HasV6]> {
1982 let Inst{7-4} = 0b1111; // R = 1
1985 multiclass AI_smul<string opc, PatFrag opnode> {
1986 def BB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1987 IIC_iMUL32, !strconcat(opc, "bb"), "\t$dst, $a, $b",
1988 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1989 (sext_inreg GPR:$b, i16)))]>,
1990 Requires<[IsARM, HasV5TE]> {
1995 def BT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
1996 IIC_iMUL32, !strconcat(opc, "bt"), "\t$dst, $a, $b",
1997 [(set GPR:$dst, (opnode (sext_inreg GPR:$a, i16),
1998 (sra GPR:$b, (i32 16))))]>,
1999 Requires<[IsARM, HasV5TE]> {
2004 def TB : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2005 IIC_iMUL32, !strconcat(opc, "tb"), "\t$dst, $a, $b",
2006 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2007 (sext_inreg GPR:$b, i16)))]>,
2008 Requires<[IsARM, HasV5TE]> {
2013 def TT : AMulxyI<0b0001011, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2014 IIC_iMUL32, !strconcat(opc, "tt"), "\t$dst, $a, $b",
2015 [(set GPR:$dst, (opnode (sra GPR:$a, (i32 16)),
2016 (sra GPR:$b, (i32 16))))]>,
2017 Requires<[IsARM, HasV5TE]> {
2022 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2023 IIC_iMUL16, !strconcat(opc, "wb"), "\t$dst, $a, $b",
2024 [(set GPR:$dst, (sra (opnode GPR:$a,
2025 (sext_inreg GPR:$b, i16)), (i32 16)))]>,
2026 Requires<[IsARM, HasV5TE]> {
2031 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2032 IIC_iMUL16, !strconcat(opc, "wt"), "\t$dst, $a, $b",
2033 [(set GPR:$dst, (sra (opnode GPR:$a,
2034 (sra GPR:$b, (i32 16))), (i32 16)))]>,
2035 Requires<[IsARM, HasV5TE]> {
2042 multiclass AI_smla<string opc, PatFrag opnode> {
2043 def BB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2044 IIC_iMAC16, !strconcat(opc, "bb"), "\t$dst, $a, $b, $acc",
2045 [(set GPR:$dst, (add GPR:$acc,
2046 (opnode (sext_inreg GPR:$a, i16),
2047 (sext_inreg GPR:$b, i16))))]>,
2048 Requires<[IsARM, HasV5TE]> {
2053 def BT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2054 IIC_iMAC16, !strconcat(opc, "bt"), "\t$dst, $a, $b, $acc",
2055 [(set GPR:$dst, (add GPR:$acc, (opnode (sext_inreg GPR:$a, i16),
2056 (sra GPR:$b, (i32 16)))))]>,
2057 Requires<[IsARM, HasV5TE]> {
2062 def TB : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2063 IIC_iMAC16, !strconcat(opc, "tb"), "\t$dst, $a, $b, $acc",
2064 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2065 (sext_inreg GPR:$b, i16))))]>,
2066 Requires<[IsARM, HasV5TE]> {
2071 def TT : AMulxyI<0b0001000, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2072 IIC_iMAC16, !strconcat(opc, "tt"), "\t$dst, $a, $b, $acc",
2073 [(set GPR:$dst, (add GPR:$acc, (opnode (sra GPR:$a, (i32 16)),
2074 (sra GPR:$b, (i32 16)))))]>,
2075 Requires<[IsARM, HasV5TE]> {
2080 def WB : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2081 IIC_iMAC16, !strconcat(opc, "wb"), "\t$dst, $a, $b, $acc",
2082 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2083 (sext_inreg GPR:$b, i16)), (i32 16))))]>,
2084 Requires<[IsARM, HasV5TE]> {
2089 def WT : AMulxyI<0b0001001, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2090 IIC_iMAC16, !strconcat(opc, "wt"), "\t$dst, $a, $b, $acc",
2091 [(set GPR:$dst, (add GPR:$acc, (sra (opnode GPR:$a,
2092 (sra GPR:$b, (i32 16))), (i32 16))))]>,
2093 Requires<[IsARM, HasV5TE]> {
2099 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2100 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2102 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2103 def SMLALBB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2104 IIC_iMAC64, "smlalbb", "\t$ldst, $hdst, $a, $b",
2105 [/* For disassembly only; pattern left blank */]>,
2106 Requires<[IsARM, HasV5TE]> {
2111 def SMLALBT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2112 IIC_iMAC64, "smlalbt", "\t$ldst, $hdst, $a, $b",
2113 [/* For disassembly only; pattern left blank */]>,
2114 Requires<[IsARM, HasV5TE]> {
2119 def SMLALTB : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2120 IIC_iMAC64, "smlaltb", "\t$ldst, $hdst, $a, $b",
2121 [/* For disassembly only; pattern left blank */]>,
2122 Requires<[IsARM, HasV5TE]> {
2127 def SMLALTT : AMulxyI<0b0001010,(outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2128 IIC_iMAC64, "smlaltt", "\t$ldst, $hdst, $a, $b",
2129 [/* For disassembly only; pattern left blank */]>,
2130 Requires<[IsARM, HasV5TE]> {
2135 // Helper class for AI_smld -- for disassembly only
2136 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2137 InstrItinClass itin, string opc, string asm>
2138 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2143 let Inst{21-20} = 0b00;
2144 let Inst{22} = long;
2145 let Inst{27-23} = 0b01110;
2148 multiclass AI_smld<bit sub, string opc> {
2150 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2151 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b, $acc">;
2153 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$acc),
2154 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b, $acc">;
2156 def LD : AMulDualI<1, sub, 0, (outs GPR:$ldst,GPR:$hdst), (ins GPR:$a,GPR:$b),
2157 NoItinerary, !strconcat(opc, "ld"), "\t$ldst, $hdst, $a, $b">;
2159 def LDX : AMulDualI<1, sub, 1, (outs GPR:$ldst,GPR:$hdst),(ins GPR:$a,GPR:$b),
2160 NoItinerary, !strconcat(opc, "ldx"),"\t$ldst, $hdst, $a, $b">;
2164 defm SMLA : AI_smld<0, "smla">;
2165 defm SMLS : AI_smld<1, "smls">;
2167 multiclass AI_sdml<bit sub, string opc> {
2169 def D : AMulDualI<0, sub, 0, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2170 NoItinerary, !strconcat(opc, "d"), "\t$dst, $a, $b"> {
2171 let Inst{15-12} = 0b1111;
2174 def DX : AMulDualI<0, sub, 1, (outs GPR:$dst), (ins GPR:$a, GPR:$b),
2175 NoItinerary, !strconcat(opc, "dx"), "\t$dst, $a, $b"> {
2176 let Inst{15-12} = 0b1111;
2181 defm SMUA : AI_sdml<0, "smua">;
2182 defm SMUS : AI_sdml<1, "smus">;
2184 //===----------------------------------------------------------------------===//
2185 // Misc. Arithmetic Instructions.
2188 def CLZ : AMiscA1I<0b000010110, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2189 "clz", "\t$dst, $src",
2190 [(set GPR:$dst, (ctlz GPR:$src))]>, Requires<[IsARM, HasV5T]> {
2191 let Inst{7-4} = 0b0001;
2192 let Inst{11-8} = 0b1111;
2193 let Inst{19-16} = 0b1111;
2196 def RBIT : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2197 "rbit", "\t$dst, $src",
2198 [(set GPR:$dst, (ARMrbit GPR:$src))]>,
2199 Requires<[IsARM, HasV6T2]> {
2200 let Inst{7-4} = 0b0011;
2201 let Inst{11-8} = 0b1111;
2202 let Inst{19-16} = 0b1111;
2205 def REV : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2206 "rev", "\t$dst, $src",
2207 [(set GPR:$dst, (bswap GPR:$src))]>, Requires<[IsARM, HasV6]> {
2208 let Inst{7-4} = 0b0011;
2209 let Inst{11-8} = 0b1111;
2210 let Inst{19-16} = 0b1111;
2213 def REV16 : AMiscA1I<0b01101011, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2214 "rev16", "\t$dst, $src",
2216 (or (and (srl GPR:$src, (i32 8)), 0xFF),
2217 (or (and (shl GPR:$src, (i32 8)), 0xFF00),
2218 (or (and (srl GPR:$src, (i32 8)), 0xFF0000),
2219 (and (shl GPR:$src, (i32 8)), 0xFF000000)))))]>,
2220 Requires<[IsARM, HasV6]> {
2221 let Inst{7-4} = 0b1011;
2222 let Inst{11-8} = 0b1111;
2223 let Inst{19-16} = 0b1111;
2226 def REVSH : AMiscA1I<0b01101111, (outs GPR:$dst), (ins GPR:$src), IIC_iUNAr,
2227 "revsh", "\t$dst, $src",
2230 (or (srl (and GPR:$src, 0xFF00), (i32 8)),
2231 (shl GPR:$src, (i32 8))), i16))]>,
2232 Requires<[IsARM, HasV6]> {
2233 let Inst{7-4} = 0b1011;
2234 let Inst{11-8} = 0b1111;
2235 let Inst{19-16} = 0b1111;
2238 def PKHBT : AMiscA1I<0b01101000, (outs GPR:$dst),
2239 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2240 IIC_iALUsi, "pkhbt", "\t$dst, $src1, $src2, lsl $shamt",
2241 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF),
2242 (and (shl GPR:$src2, (i32 imm:$shamt)),
2244 Requires<[IsARM, HasV6]> {
2245 let Inst{6-4} = 0b001;
2248 // Alternate cases for PKHBT where identities eliminate some nodes.
2249 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (and GPR:$src2, 0xFFFF0000)),
2250 (PKHBT GPR:$src1, GPR:$src2, 0)>;
2251 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF), (shl GPR:$src2, imm16_31:$shamt)),
2252 (PKHBT GPR:$src1, GPR:$src2, imm16_31:$shamt)>;
2255 def PKHTB : AMiscA1I<0b01101000, (outs GPR:$dst),
2256 (ins GPR:$src1, GPR:$src2, i32imm:$shamt),
2257 IIC_iALUsi, "pkhtb", "\t$dst, $src1, $src2, asr $shamt",
2258 [(set GPR:$dst, (or (and GPR:$src1, 0xFFFF0000),
2259 (and (sra GPR:$src2, imm16_31:$shamt),
2260 0xFFFF)))]>, Requires<[IsARM, HasV6]> {
2261 let Inst{6-4} = 0b101;
2264 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2265 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2266 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, (i32 16))),
2267 (PKHTB GPR:$src1, GPR:$src2, 16)>;
2268 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2269 (and (srl GPR:$src2, imm1_15:$shamt), 0xFFFF)),
2270 (PKHTB GPR:$src1, GPR:$src2, imm1_15:$shamt)>;
2272 //===----------------------------------------------------------------------===//
2273 // Comparison Instructions...
2276 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2277 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2278 //FIXME: Disable CMN, as CCodes are backwards from compare expectations
2279 // Compare-to-zero still works out, just not the relationals
2280 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2281 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2283 // Note that TST/TEQ don't set all the same flags that CMP does!
2284 defm TST : AI1_cmp_irs<0b1000, "tst",
2285 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2286 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2287 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2289 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2290 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2291 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2292 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2294 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2295 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2297 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2298 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2300 // Pseudo i64 compares for some floating point compares.
2301 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2303 def BCCi64 : PseudoInst<(outs),
2304 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2306 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, imm:$cc",
2307 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2309 def BCCZi64 : PseudoInst<(outs),
2310 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst),
2312 "${:comment} B\t$dst GPR:$lhs1, GPR:$lhs2, 0, 0, imm:$cc",
2313 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2314 } // usesCustomInserter
2317 // Conditional moves
2318 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2319 // a two-value operand where a dag node expects two operands. :(
2320 let neverHasSideEffects = 1 in {
2321 def MOVCCr : AI1<0b1101, (outs GPR:$dst), (ins GPR:$false, GPR:$true), DPFrm,
2322 IIC_iCMOVr, "mov", "\t$dst, $true",
2323 [/*(set GPR:$dst, (ARMcmov GPR:$false, GPR:$true, imm:$cc, CCR:$ccr))*/]>,
2324 RegConstraint<"$false = $dst">, UnaryDP {
2325 let Inst{11-4} = 0b00000000;
2329 def MOVCCs : AI1<0b1101, (outs GPR:$dst),
2330 (ins GPR:$false, so_reg:$true), DPSoRegFrm, IIC_iCMOVsr,
2331 "mov", "\t$dst, $true",
2332 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_reg:$true, imm:$cc, CCR:$ccr))*/]>,
2333 RegConstraint<"$false = $dst">, UnaryDP {
2337 def MOVCCi : AI1<0b1101, (outs GPR:$dst),
2338 (ins GPR:$false, so_imm:$true), DPFrm, IIC_iCMOVi,
2339 "mov", "\t$dst, $true",
2340 [/*(set GPR:$dst, (ARMcmov GPR:$false, so_imm:$true, imm:$cc, CCR:$ccr))*/]>,
2341 RegConstraint<"$false = $dst">, UnaryDP {
2344 } // neverHasSideEffects
2346 //===----------------------------------------------------------------------===//
2347 // Atomic operations intrinsics
2350 // memory barriers protect the atomic sequences
2351 let hasSideEffects = 1 in {
2352 def Int_MemBarrierV7 : AInoP<(outs), (ins),
2353 Pseudo, NoItinerary,
2355 [(ARMMemBarrierV7)]>,
2356 Requires<[IsARM, HasV7]> {
2357 let Inst{31-4} = 0xf57ff05;
2358 // FIXME: add support for options other than a full system DMB
2359 // See DMB disassembly-only variants below.
2360 let Inst{3-0} = 0b1111;
2363 def Int_SyncBarrierV7 : AInoP<(outs), (ins),
2364 Pseudo, NoItinerary,
2366 [(ARMSyncBarrierV7)]>,
2367 Requires<[IsARM, HasV7]> {
2368 let Inst{31-4} = 0xf57ff04;
2369 // FIXME: add support for options other than a full system DSB
2370 // See DSB disassembly-only variants below.
2371 let Inst{3-0} = 0b1111;
2374 def Int_MemBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2375 Pseudo, NoItinerary,
2376 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2377 [(ARMMemBarrierV6 GPR:$zero)]>,
2378 Requires<[IsARM, HasV6]> {
2379 // FIXME: add support for options other than a full system DMB
2380 // FIXME: add encoding
2383 def Int_SyncBarrierV6 : AInoP<(outs), (ins GPR:$zero),
2384 Pseudo, NoItinerary,
2385 "mcr", "\tp15, 0, $zero, c7, c10, 4",
2386 [(ARMSyncBarrierV6 GPR:$zero)]>,
2387 Requires<[IsARM, HasV6]> {
2388 // FIXME: add support for options other than a full system DSB
2389 // FIXME: add encoding
2393 // Helper class for multiclass MemB -- for disassembly only
2394 class AMBI<string opc, string asm>
2395 : AInoP<(outs), (ins), MiscFrm, NoItinerary, opc, asm,
2396 [/* For disassembly only; pattern left blank */]>,
2397 Requires<[IsARM, HasV7]> {
2398 let Inst{31-20} = 0xf57;
2401 multiclass MemB<bits<4> op7_4, string opc> {
2403 def st : AMBI<opc, "\tst"> {
2404 let Inst{7-4} = op7_4;
2405 let Inst{3-0} = 0b1110;
2408 def ish : AMBI<opc, "\tish"> {
2409 let Inst{7-4} = op7_4;
2410 let Inst{3-0} = 0b1011;
2413 def ishst : AMBI<opc, "\tishst"> {
2414 let Inst{7-4} = op7_4;
2415 let Inst{3-0} = 0b1010;
2418 def nsh : AMBI<opc, "\tnsh"> {
2419 let Inst{7-4} = op7_4;
2420 let Inst{3-0} = 0b0111;
2423 def nshst : AMBI<opc, "\tnshst"> {
2424 let Inst{7-4} = op7_4;
2425 let Inst{3-0} = 0b0110;
2428 def osh : AMBI<opc, "\tosh"> {
2429 let Inst{7-4} = op7_4;
2430 let Inst{3-0} = 0b0011;
2433 def oshst : AMBI<opc, "\toshst"> {
2434 let Inst{7-4} = op7_4;
2435 let Inst{3-0} = 0b0010;
2439 // These DMB variants are for disassembly only.
2440 defm DMB : MemB<0b0101, "dmb">;
2442 // These DSB variants are for disassembly only.
2443 defm DSB : MemB<0b0100, "dsb">;
2445 // ISB has only full system option -- for disassembly only
2446 def ISBsy : AMBI<"isb", ""> {
2447 let Inst{7-4} = 0b0110;
2448 let Inst{3-0} = 0b1111;
2451 let usesCustomInserter = 1 in {
2452 let Uses = [CPSR] in {
2453 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2454 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2455 "${:comment} ATOMIC_LOAD_ADD_I8 PSEUDO!",
2456 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2457 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2458 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2459 "${:comment} ATOMIC_LOAD_SUB_I8 PSEUDO!",
2460 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2461 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2462 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2463 "${:comment} ATOMIC_LOAD_AND_I8 PSEUDO!",
2464 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2465 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2466 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2467 "${:comment} ATOMIC_LOAD_OR_I8 PSEUDO!",
2468 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2469 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2470 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2471 "${:comment} ATOMIC_LOAD_XOR_I8 PSEUDO!",
2472 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2473 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2474 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2475 "${:comment} ATOMIC_LOAD_NAND_I8 PSEUDO!",
2476 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2477 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2478 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2479 "${:comment} ATOMIC_LOAD_ADD_I16 PSEUDO!",
2480 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2481 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2482 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2483 "${:comment} ATOMIC_LOAD_SUB_I16 PSEUDO!",
2484 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2485 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2486 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2487 "${:comment} ATOMIC_LOAD_AND_I16 PSEUDO!",
2488 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2489 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2490 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2491 "${:comment} ATOMIC_LOAD_OR_I16 PSEUDO!",
2492 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2493 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2494 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2495 "${:comment} ATOMIC_LOAD_XOR_I16 PSEUDO!",
2496 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2497 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2498 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2499 "${:comment} ATOMIC_LOAD_NAND_I16 PSEUDO!",
2500 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2501 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2502 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2503 "${:comment} ATOMIC_LOAD_ADD_I32 PSEUDO!",
2504 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2505 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2506 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2507 "${:comment} ATOMIC_LOAD_SUB_I32 PSEUDO!",
2508 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2509 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2510 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2511 "${:comment} ATOMIC_LOAD_AND_I32 PSEUDO!",
2512 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2513 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2514 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2515 "${:comment} ATOMIC_LOAD_OR_I32 PSEUDO!",
2516 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2517 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2518 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2519 "${:comment} ATOMIC_LOAD_XOR_I32 PSEUDO!",
2520 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2521 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2522 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary,
2523 "${:comment} ATOMIC_LOAD_NAND_I32 PSEUDO!",
2524 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2526 def ATOMIC_SWAP_I8 : PseudoInst<
2527 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2528 "${:comment} ATOMIC_SWAP_I8 PSEUDO!",
2529 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
2530 def ATOMIC_SWAP_I16 : PseudoInst<
2531 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2532 "${:comment} ATOMIC_SWAP_I16 PSEUDO!",
2533 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
2534 def ATOMIC_SWAP_I32 : PseudoInst<
2535 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary,
2536 "${:comment} ATOMIC_SWAP_I32 PSEUDO!",
2537 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
2539 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
2540 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2541 "${:comment} ATOMIC_CMP_SWAP_I8 PSEUDO!",
2542 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
2543 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
2544 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2545 "${:comment} ATOMIC_CMP_SWAP_I16 PSEUDO!",
2546 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
2547 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
2548 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary,
2549 "${:comment} ATOMIC_CMP_SWAP_I32 PSEUDO!",
2550 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
2554 let mayLoad = 1 in {
2555 def LDREXB : AIldrex<0b10, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2556 "ldrexb", "\t$dest, [$ptr]",
2558 def LDREXH : AIldrex<0b11, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2559 "ldrexh", "\t$dest, [$ptr]",
2561 def LDREX : AIldrex<0b00, (outs GPR:$dest), (ins GPR:$ptr), NoItinerary,
2562 "ldrex", "\t$dest, [$ptr]",
2564 def LDREXD : AIldrex<0b01, (outs GPR:$dest, GPR:$dest2), (ins GPR:$ptr),
2566 "ldrexd", "\t$dest, $dest2, [$ptr]",
2570 let mayStore = 1, Constraints = "@earlyclobber $success" in {
2571 def STREXB : AIstrex<0b10, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2573 "strexb", "\t$success, $src, [$ptr]",
2575 def STREXH : AIstrex<0b11, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2577 "strexh", "\t$success, $src, [$ptr]",
2579 def STREX : AIstrex<0b00, (outs GPR:$success), (ins GPR:$src, GPR:$ptr),
2581 "strex", "\t$success, $src, [$ptr]",
2583 def STREXD : AIstrex<0b01, (outs GPR:$success),
2584 (ins GPR:$src, GPR:$src2, GPR:$ptr),
2586 "strexd", "\t$success, $src, $src2, [$ptr]",
2590 // Clear-Exclusive is for disassembly only.
2591 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
2592 [/* For disassembly only; pattern left blank */]>,
2593 Requires<[IsARM, HasV7]> {
2594 let Inst{31-20} = 0xf57;
2595 let Inst{7-4} = 0b0001;
2598 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
2599 let mayLoad = 1 in {
2600 def SWP : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2601 "swp", "\t$dst, $src, [$ptr]",
2602 [/* For disassembly only; pattern left blank */]> {
2603 let Inst{27-23} = 0b00010;
2604 let Inst{22} = 0; // B = 0
2605 let Inst{21-20} = 0b00;
2606 let Inst{7-4} = 0b1001;
2609 def SWPB : AI<(outs GPR:$dst), (ins GPR:$src, GPR:$ptr), LdStExFrm, NoItinerary,
2610 "swpb", "\t$dst, $src, [$ptr]",
2611 [/* For disassembly only; pattern left blank */]> {
2612 let Inst{27-23} = 0b00010;
2613 let Inst{22} = 1; // B = 1
2614 let Inst{21-20} = 0b00;
2615 let Inst{7-4} = 0b1001;
2619 //===----------------------------------------------------------------------===//
2623 // __aeabi_read_tp preserves the registers r1-r3.
2625 Defs = [R0, R12, LR, CPSR] in {
2626 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
2627 "bl\t__aeabi_read_tp",
2628 [(set R0, ARMthread_pointer)]>;
2631 //===----------------------------------------------------------------------===//
2632 // SJLJ Exception handling intrinsics
2633 // eh_sjlj_setjmp() is an instruction sequence to store the return
2634 // address and save #0 in R0 for the non-longjmp case.
2635 // Since by its nature we may be coming from some other function to get
2636 // here, and we're using the stack frame for the containing function to
2637 // save/restore registers, we can't keep anything live in regs across
2638 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
2639 // when we get here from a longjmp(). We force everthing out of registers
2640 // except for our own input by listing the relevant registers in Defs. By
2641 // doing so, we also cause the prologue/epilogue code to actively preserve
2642 // all of the callee-saved resgisters, which is exactly what we want.
2643 // A constant value is passed in $val, and we use the location as a scratch.
2645 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
2646 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
2647 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
2648 D31 ], hasSideEffects = 1, isBarrier = 1 in {
2649 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
2650 AddrModeNone, SizeSpecial, IndexModeNone,
2651 Pseudo, NoItinerary,
2652 "add\t$val, pc, #8\t${:comment} eh_setjmp begin\n\t"
2653 "str\t$val, [$src, #+4]\n\t"
2655 "add\tpc, pc, #0\n\t"
2656 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2657 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2658 Requires<[IsARM, HasVFP2]>;
2662 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
2663 hasSideEffects = 1, isBarrier = 1 in {
2664 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
2665 AddrModeNone, SizeSpecial, IndexModeNone,
2666 Pseudo, NoItinerary,
2667 "add\t$val, pc, #8\n ${:comment} eh_setjmp begin\n\t"
2668 "str\t$val, [$src, #+4]\n\t"
2670 "add\tpc, pc, #0\n\t"
2671 "mov\tr0, #1 ${:comment} eh_setjmp end", "",
2672 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
2673 Requires<[IsARM, NoVFP]>;
2676 // FIXME: Non-Darwin version(s)
2677 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
2678 Defs = [ R7, LR, SP ] in {
2679 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
2680 AddrModeNone, SizeSpecial, IndexModeNone,
2681 Pseudo, NoItinerary,
2682 "ldr\tsp, [$src, #8]\n\t"
2683 "ldr\t$scratch, [$src, #4]\n\t"
2684 "ldr\tr7, [$src]\n\t"
2686 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
2687 Requires<[IsARM, IsDarwin]>;
2690 //===----------------------------------------------------------------------===//
2691 // Non-Instruction Patterns
2694 // Large immediate handling.
2696 // Two piece so_imms.
2697 let isReMaterializable = 1 in
2698 def MOVi2pieces : AI1x2<(outs GPR:$dst), (ins so_imm2part:$src),
2700 "mov", "\t$dst, $src",
2701 [(set GPR:$dst, so_imm2part:$src)]>,
2702 Requires<[IsARM, NoV6T2]>;
2704 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
2705 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2706 (so_imm2part_2 imm:$RHS))>;
2707 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
2708 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2709 (so_imm2part_2 imm:$RHS))>;
2710 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
2711 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
2712 (so_imm2part_2 imm:$RHS))>;
2713 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
2714 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
2715 (so_neg_imm2part_2 imm:$RHS))>;
2717 // 32-bit immediate using movw + movt.
2718 // This is a single pseudo instruction, the benefit is that it can be remat'd
2719 // as a single unit instead of having to handle reg inputs.
2720 // FIXME: Remove this when we can do generalized remat.
2721 let isReMaterializable = 1 in
2722 def MOVi32imm : AI1x2<(outs GPR:$dst), (ins i32imm:$src), Pseudo, IIC_iMOVi,
2723 "movw", "\t$dst, ${src:lo16}\n\tmovt${p}\t$dst, ${src:hi16}",
2724 [(set GPR:$dst, (i32 imm:$src))]>,
2725 Requires<[IsARM, HasV6T2]>;
2727 // ConstantPool, GlobalAddress, and JumpTable
2728 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
2729 Requires<[IsARM, DontUseMovt]>;
2730 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
2731 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
2732 Requires<[IsARM, UseMovt]>;
2733 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
2734 (LEApcrelJT tjumptable:$dst, imm:$id)>;
2736 // TODO: add,sub,and, 3-instr forms?
2739 def : ARMPat<(ARMtcret tcGPR:$dst),
2740 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
2742 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2743 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2745 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2746 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
2748 def : ARMPat<(ARMtcret tcGPR:$dst),
2749 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
2751 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
2752 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2754 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
2755 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
2758 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
2759 Requires<[IsARM, IsNotDarwin]>;
2760 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
2761 Requires<[IsARM, IsDarwin]>;
2763 // zextload i1 -> zextload i8
2764 def : ARMPat<(zextloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2766 // extload -> zextload
2767 def : ARMPat<(extloadi1 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2768 def : ARMPat<(extloadi8 addrmode2:$addr), (LDRB addrmode2:$addr)>;
2769 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
2771 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
2772 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
2775 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2776 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2777 (SMULBB GPR:$a, GPR:$b)>;
2778 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
2779 (SMULBB GPR:$a, GPR:$b)>;
2780 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2781 (sra GPR:$b, (i32 16))),
2782 (SMULBT GPR:$a, GPR:$b)>;
2783 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
2784 (SMULBT GPR:$a, GPR:$b)>;
2785 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
2786 (sra (shl GPR:$b, (i32 16)), (i32 16))),
2787 (SMULTB GPR:$a, GPR:$b)>;
2788 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
2789 (SMULTB GPR:$a, GPR:$b)>;
2790 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2792 (SMULWB GPR:$a, GPR:$b)>;
2793 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
2794 (SMULWB GPR:$a, GPR:$b)>;
2796 def : ARMV5TEPat<(add GPR:$acc,
2797 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2798 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2799 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2800 def : ARMV5TEPat<(add GPR:$acc,
2801 (mul sext_16_node:$a, sext_16_node:$b)),
2802 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
2803 def : ARMV5TEPat<(add GPR:$acc,
2804 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
2805 (sra GPR:$b, (i32 16)))),
2806 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2807 def : ARMV5TEPat<(add GPR:$acc,
2808 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
2809 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
2810 def : ARMV5TEPat<(add GPR:$acc,
2811 (mul (sra GPR:$a, (i32 16)),
2812 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
2813 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2814 def : ARMV5TEPat<(add GPR:$acc,
2815 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
2816 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
2817 def : ARMV5TEPat<(add GPR:$acc,
2818 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
2820 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2821 def : ARMV5TEPat<(add GPR:$acc,
2822 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
2823 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
2825 //===----------------------------------------------------------------------===//
2829 include "ARMInstrThumb.td"
2831 //===----------------------------------------------------------------------===//
2835 include "ARMInstrThumb2.td"
2837 //===----------------------------------------------------------------------===//
2838 // Floating Point Support
2841 include "ARMInstrVFP.td"
2843 //===----------------------------------------------------------------------===//
2844 // Advanced SIMD (NEON) Support
2847 include "ARMInstrNEON.td"
2849 //===----------------------------------------------------------------------===//
2850 // Coprocessor Instructions. For disassembly only.
2853 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2854 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2855 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2856 [/* For disassembly only; pattern left blank */]> {
2860 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2861 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2862 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
2863 [/* For disassembly only; pattern left blank */]> {
2864 let Inst{31-28} = 0b1111;
2868 class ACI<dag oops, dag iops, string opc, string asm>
2869 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
2870 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
2871 let Inst{27-25} = 0b110;
2874 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
2876 def _OFFSET : ACI<(outs),
2877 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2878 opc, "\tp$cop, cr$CRd, $addr"> {
2879 let Inst{31-28} = op31_28;
2880 let Inst{24} = 1; // P = 1
2881 let Inst{21} = 0; // W = 0
2882 let Inst{22} = 0; // D = 0
2883 let Inst{20} = load;
2886 def _PRE : ACI<(outs),
2887 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2888 opc, "\tp$cop, cr$CRd, $addr!"> {
2889 let Inst{31-28} = op31_28;
2890 let Inst{24} = 1; // P = 1
2891 let Inst{21} = 1; // W = 1
2892 let Inst{22} = 0; // D = 0
2893 let Inst{20} = load;
2896 def _POST : ACI<(outs),
2897 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2898 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
2899 let Inst{31-28} = op31_28;
2900 let Inst{24} = 0; // P = 0
2901 let Inst{21} = 1; // W = 1
2902 let Inst{22} = 0; // D = 0
2903 let Inst{20} = load;
2906 def _OPTION : ACI<(outs),
2907 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
2908 opc, "\tp$cop, cr$CRd, [$base], $option"> {
2909 let Inst{31-28} = op31_28;
2910 let Inst{24} = 0; // P = 0
2911 let Inst{23} = 1; // U = 1
2912 let Inst{21} = 0; // W = 0
2913 let Inst{22} = 0; // D = 0
2914 let Inst{20} = load;
2917 def L_OFFSET : ACI<(outs),
2918 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2919 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
2920 let Inst{31-28} = op31_28;
2921 let Inst{24} = 1; // P = 1
2922 let Inst{21} = 0; // W = 0
2923 let Inst{22} = 1; // D = 1
2924 let Inst{20} = load;
2927 def L_PRE : ACI<(outs),
2928 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
2929 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
2930 let Inst{31-28} = op31_28;
2931 let Inst{24} = 1; // P = 1
2932 let Inst{21} = 1; // W = 1
2933 let Inst{22} = 1; // D = 1
2934 let Inst{20} = load;
2937 def L_POST : ACI<(outs),
2938 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
2939 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
2940 let Inst{31-28} = op31_28;
2941 let Inst{24} = 0; // P = 0
2942 let Inst{21} = 1; // W = 1
2943 let Inst{22} = 1; // D = 1
2944 let Inst{20} = load;
2947 def L_OPTION : ACI<(outs),
2948 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
2949 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
2950 let Inst{31-28} = op31_28;
2951 let Inst{24} = 0; // P = 0
2952 let Inst{23} = 1; // U = 1
2953 let Inst{21} = 0; // W = 0
2954 let Inst{22} = 1; // D = 1
2955 let Inst{20} = load;
2959 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
2960 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
2961 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
2962 defm STC2 : LdStCop<0b1111, 0, "stc2">;
2964 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2965 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2966 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2967 [/* For disassembly only; pattern left blank */]> {
2972 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2973 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2974 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2975 [/* For disassembly only; pattern left blank */]> {
2976 let Inst{31-28} = 0b1111;
2981 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2982 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2983 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2984 [/* For disassembly only; pattern left blank */]> {
2989 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
2990 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
2991 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
2992 [/* For disassembly only; pattern left blank */]> {
2993 let Inst{31-28} = 0b1111;
2998 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
2999 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3000 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3001 [/* For disassembly only; pattern left blank */]> {
3002 let Inst{23-20} = 0b0100;
3005 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3006 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3007 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3008 [/* For disassembly only; pattern left blank */]> {
3009 let Inst{31-28} = 0b1111;
3010 let Inst{23-20} = 0b0100;
3013 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3014 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3015 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3016 [/* For disassembly only; pattern left blank */]> {
3017 let Inst{23-20} = 0b0101;
3020 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3021 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3022 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3023 [/* For disassembly only; pattern left blank */]> {
3024 let Inst{31-28} = 0b1111;
3025 let Inst{23-20} = 0b0101;
3028 //===----------------------------------------------------------------------===//
3029 // Move between special register and ARM core register -- for disassembly only
3032 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3033 [/* For disassembly only; pattern left blank */]> {
3034 let Inst{23-20} = 0b0000;
3035 let Inst{7-4} = 0b0000;
3038 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3039 [/* For disassembly only; pattern left blank */]> {
3040 let Inst{23-20} = 0b0100;
3041 let Inst{7-4} = 0b0000;
3044 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3045 "msr", "\tcpsr$mask, $src",
3046 [/* For disassembly only; pattern left blank */]> {
3047 let Inst{23-20} = 0b0010;
3048 let Inst{7-4} = 0b0000;
3051 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3052 "msr", "\tcpsr$mask, $a",
3053 [/* For disassembly only; pattern left blank */]> {
3054 let Inst{23-20} = 0b0010;
3055 let Inst{7-4} = 0b0000;
3058 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3059 "msr", "\tspsr$mask, $src",
3060 [/* For disassembly only; pattern left blank */]> {
3061 let Inst{23-20} = 0b0110;
3062 let Inst{7-4} = 0b0000;
3065 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3066 "msr", "\tspsr$mask, $a",
3067 [/* For disassembly only; pattern left blank */]> {
3068 let Inst{23-20} = 0b0110;
3069 let Inst{7-4} = 0b0000;