1 //===- ARMInstrInfo.td - Target Description for ARM Target -*- tablegen -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file describes the ARM instructions in TableGen format.
12 //===----------------------------------------------------------------------===//
14 //===----------------------------------------------------------------------===//
15 // ARM specific DAG Nodes.
19 def SDT_ARMCallSeqStart : SDCallSeqStart<[ SDTCisVT<0, i32> ]>;
20 def SDT_ARMCallSeqEnd : SDCallSeqEnd<[ SDTCisVT<0, i32>, SDTCisVT<1, i32> ]>;
22 def SDT_ARMSaveCallPC : SDTypeProfile<0, 1, []>;
24 def SDT_ARMcall : SDTypeProfile<0, -1, [SDTCisPtrTy<0>]>;
26 def SDT_ARMCMov : SDTypeProfile<1, 3,
27 [SDTCisSameAs<0, 1>, SDTCisSameAs<0, 2>,
30 def SDT_ARMBrcond : SDTypeProfile<0, 2,
31 [SDTCisVT<0, OtherVT>, SDTCisVT<1, i32>]>;
33 def SDT_ARMBrJT : SDTypeProfile<0, 3,
34 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
37 def SDT_ARMBr2JT : SDTypeProfile<0, 4,
38 [SDTCisPtrTy<0>, SDTCisVT<1, i32>,
39 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
41 def SDT_ARMBCC_i64 : SDTypeProfile<0, 6,
43 SDTCisVT<1, i32>, SDTCisVT<2, i32>,
44 SDTCisVT<3, i32>, SDTCisVT<4, i32>,
45 SDTCisVT<5, OtherVT>]>;
47 def SDT_ARMAnd : SDTypeProfile<1, 2,
48 [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
51 def SDT_ARMCmp : SDTypeProfile<0, 2, [SDTCisSameAs<0, 1>]>;
53 def SDT_ARMPICAdd : SDTypeProfile<1, 2, [SDTCisSameAs<0, 1>,
54 SDTCisPtrTy<1>, SDTCisVT<2, i32>]>;
56 def SDT_ARMThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
57 def SDT_ARMEH_SJLJ_Setjmp : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisPtrTy<1>,
59 def SDT_ARMEH_SJLJ_Longjmp: SDTypeProfile<0, 2, [SDTCisPtrTy<0>, SDTCisInt<1>]>;
61 def SDT_ARMEH_SJLJ_DispatchSetup: SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
63 def SDT_ARMMEMBARRIER : SDTypeProfile<0, 1, [SDTCisInt<0>]>;
65 def SDT_ARMTCRET : SDTypeProfile<0, 1, [SDTCisPtrTy<0>]>;
67 def SDT_ARMBFI : SDTypeProfile<1, 3, [SDTCisVT<0, i32>, SDTCisVT<1, i32>,
68 SDTCisVT<2, i32>, SDTCisVT<3, i32>]>;
71 def ARMWrapper : SDNode<"ARMISD::Wrapper", SDTIntUnaryOp>;
72 def ARMWrapperJT : SDNode<"ARMISD::WrapperJT", SDTIntBinOp>;
74 def ARMcallseq_start : SDNode<"ISD::CALLSEQ_START", SDT_ARMCallSeqStart,
75 [SDNPHasChain, SDNPOutFlag]>;
76 def ARMcallseq_end : SDNode<"ISD::CALLSEQ_END", SDT_ARMCallSeqEnd,
77 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag]>;
79 def ARMcall : SDNode<"ARMISD::CALL", SDT_ARMcall,
80 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
82 def ARMcall_pred : SDNode<"ARMISD::CALL_PRED", SDT_ARMcall,
83 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
85 def ARMcall_nolink : SDNode<"ARMISD::CALL_NOLINK", SDT_ARMcall,
86 [SDNPHasChain, SDNPOptInFlag, SDNPOutFlag,
89 def ARMretflag : SDNode<"ARMISD::RET_FLAG", SDTNone,
90 [SDNPHasChain, SDNPOptInFlag]>;
92 def ARMcmov : SDNode<"ARMISD::CMOV", SDT_ARMCMov,
94 def ARMcneg : SDNode<"ARMISD::CNEG", SDT_ARMCMov,
97 def ARMbrcond : SDNode<"ARMISD::BRCOND", SDT_ARMBrcond,
98 [SDNPHasChain, SDNPInFlag, SDNPOutFlag]>;
100 def ARMbrjt : SDNode<"ARMISD::BR_JT", SDT_ARMBrJT,
102 def ARMbr2jt : SDNode<"ARMISD::BR2_JT", SDT_ARMBr2JT,
105 def ARMBcci64 : SDNode<"ARMISD::BCC_i64", SDT_ARMBCC_i64,
108 def ARMcmp : SDNode<"ARMISD::CMP", SDT_ARMCmp,
111 def ARMcmpZ : SDNode<"ARMISD::CMPZ", SDT_ARMCmp,
112 [SDNPOutFlag, SDNPCommutative]>;
114 def ARMpic_add : SDNode<"ARMISD::PIC_ADD", SDT_ARMPICAdd>;
116 def ARMsrl_flag : SDNode<"ARMISD::SRL_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
117 def ARMsra_flag : SDNode<"ARMISD::SRA_FLAG", SDTIntUnaryOp, [SDNPOutFlag]>;
118 def ARMrrx : SDNode<"ARMISD::RRX" , SDTIntUnaryOp, [SDNPInFlag ]>;
120 def ARMthread_pointer: SDNode<"ARMISD::THREAD_POINTER", SDT_ARMThreadPointer>;
121 def ARMeh_sjlj_setjmp: SDNode<"ARMISD::EH_SJLJ_SETJMP",
122 SDT_ARMEH_SJLJ_Setjmp, [SDNPHasChain]>;
123 def ARMeh_sjlj_longjmp: SDNode<"ARMISD::EH_SJLJ_LONGJMP",
124 SDT_ARMEH_SJLJ_Longjmp, [SDNPHasChain]>;
125 def ARMeh_sjlj_dispatchsetup: SDNode<"ARMISD::EH_SJLJ_DISPATCHSETUP",
126 SDT_ARMEH_SJLJ_DispatchSetup, [SDNPHasChain]>;
129 def ARMMemBarrier : SDNode<"ARMISD::MEMBARRIER", SDT_ARMMEMBARRIER,
131 def ARMMemBarrierMCR : SDNode<"ARMISD::MEMBARRIER_MCR", SDT_ARMMEMBARRIER,
133 def ARMPreload : SDNode<"ARMISD::PRELOAD", SDTPrefetch,
134 [SDNPHasChain, SDNPMayLoad, SDNPMayStore]>;
136 def ARMrbit : SDNode<"ARMISD::RBIT", SDTIntUnaryOp>;
138 def ARMtcret : SDNode<"ARMISD::TC_RETURN", SDT_ARMTCRET,
139 [SDNPHasChain, SDNPOptInFlag, SDNPVariadic]>;
142 def ARMbfi : SDNode<"ARMISD::BFI", SDT_ARMBFI>;
144 //===----------------------------------------------------------------------===//
145 // ARM Instruction Predicate Definitions.
147 def HasV4T : Predicate<"Subtarget->hasV4TOps()">, AssemblerPredicate;
148 def NoV4T : Predicate<"!Subtarget->hasV4TOps()">;
149 def HasV5T : Predicate<"Subtarget->hasV5TOps()">;
150 def HasV5TE : Predicate<"Subtarget->hasV5TEOps()">, AssemblerPredicate;
151 def HasV6 : Predicate<"Subtarget->hasV6Ops()">, AssemblerPredicate;
152 def HasV6T2 : Predicate<"Subtarget->hasV6T2Ops()">, AssemblerPredicate;
153 def NoV6T2 : Predicate<"!Subtarget->hasV6T2Ops()">;
154 def HasV7 : Predicate<"Subtarget->hasV7Ops()">, AssemblerPredicate;
155 def NoVFP : Predicate<"!Subtarget->hasVFP2()">;
156 def HasVFP2 : Predicate<"Subtarget->hasVFP2()">, AssemblerPredicate;
157 def HasVFP3 : Predicate<"Subtarget->hasVFP3()">, AssemblerPredicate;
158 def HasNEON : Predicate<"Subtarget->hasNEON()">, AssemblerPredicate;
159 def HasDivide : Predicate<"Subtarget->hasDivide()">, AssemblerPredicate;
160 def HasT2ExtractPack : Predicate<"Subtarget->hasT2ExtractPack()">,
162 def HasDB : Predicate<"Subtarget->hasDataBarrier()">,
164 def HasMP : Predicate<"Subtarget->hasMPExtension()">,
166 def UseNEONForFP : Predicate<"Subtarget->useNEONForSinglePrecisionFP()">;
167 def DontUseNEONForFP : Predicate<"!Subtarget->useNEONForSinglePrecisionFP()">;
168 def IsThumb : Predicate<"Subtarget->isThumb()">, AssemblerPredicate;
169 def IsThumb1Only : Predicate<"Subtarget->isThumb1Only()">;
170 def IsThumb2 : Predicate<"Subtarget->isThumb2()">, AssemblerPredicate;
171 def IsARM : Predicate<"!Subtarget->isThumb()">, AssemblerPredicate;
172 def IsDarwin : Predicate<"Subtarget->isTargetDarwin()">;
173 def IsNotDarwin : Predicate<"!Subtarget->isTargetDarwin()">;
175 // FIXME: Eventually this will be just "hasV6T2Ops".
176 def UseMovt : Predicate<"Subtarget->useMovt()">;
177 def DontUseMovt : Predicate<"!Subtarget->useMovt()">;
178 def UseVMLx : Predicate<"Subtarget->useVMLx()">;
180 //===----------------------------------------------------------------------===//
181 // ARM Flag Definitions.
183 class RegConstraint<string C> {
184 string Constraints = C;
187 //===----------------------------------------------------------------------===//
188 // ARM specific transformation functions and pattern fragments.
191 // so_imm_neg_XFORM - Return a so_imm value packed into the format described for
192 // so_imm_neg def below.
193 def so_imm_neg_XFORM : SDNodeXForm<imm, [{
194 return CurDAG->getTargetConstant(-(int)N->getZExtValue(), MVT::i32);
197 // so_imm_not_XFORM - Return a so_imm value packed into the format described for
198 // so_imm_not def below.
199 def so_imm_not_XFORM : SDNodeXForm<imm, [{
200 return CurDAG->getTargetConstant(~(int)N->getZExtValue(), MVT::i32);
203 /// imm1_15 predicate - True if the 32-bit immediate is in the range [1,15].
204 def imm1_15 : PatLeaf<(i32 imm), [{
205 return (int32_t)N->getZExtValue() >= 1 && (int32_t)N->getZExtValue() < 16;
208 /// imm16_31 predicate - True if the 32-bit immediate is in the range [16,31].
209 def imm16_31 : PatLeaf<(i32 imm), [{
210 return (int32_t)N->getZExtValue() >= 16 && (int32_t)N->getZExtValue() < 32;
215 return ARM_AM::getSOImmVal(-(int)N->getZExtValue()) != -1;
216 }], so_imm_neg_XFORM>;
220 return ARM_AM::getSOImmVal(~(int)N->getZExtValue()) != -1;
221 }], so_imm_not_XFORM>;
223 // sext_16_node predicate - True if the SDNode is sign-extended 16 or more bits.
224 def sext_16_node : PatLeaf<(i32 GPR:$a), [{
225 return CurDAG->ComputeNumSignBits(SDValue(N,0)) >= 17;
228 /// bf_inv_mask_imm predicate - An AND mask to clear an arbitrary width bitfield
230 def bf_inv_mask_imm : Operand<i32>,
232 return ARM::isBitFieldInvertedMask(N->getZExtValue());
234 string EncoderMethod = "getBitfieldInvertedMaskOpValue";
235 let PrintMethod = "printBitfieldInvMaskImmOperand";
238 /// Split a 32-bit immediate into two 16 bit parts.
239 def hi16 : SDNodeXForm<imm, [{
240 return CurDAG->getTargetConstant((uint32_t)N->getZExtValue() >> 16, MVT::i32);
243 def lo16AllZero : PatLeaf<(i32 imm), [{
244 // Returns true if all low 16-bits are 0.
245 return (((uint32_t)N->getZExtValue()) & 0xFFFFUL) == 0;
248 /// imm0_65535 predicate - True if the 32-bit immediate is in the range
250 def imm0_65535 : PatLeaf<(i32 imm), [{
251 return (uint32_t)N->getZExtValue() < 65536;
254 class BinOpFrag<dag res> : PatFrag<(ops node:$LHS, node:$RHS), res>;
255 class UnOpFrag <dag res> : PatFrag<(ops node:$Src), res>;
257 /// adde and sube predicates - True based on whether the carry flag output
258 /// will be needed or not.
259 def adde_dead_carry :
260 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
261 [{return !N->hasAnyUseOfValue(1);}]>;
262 def sube_dead_carry :
263 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
264 [{return !N->hasAnyUseOfValue(1);}]>;
265 def adde_live_carry :
266 PatFrag<(ops node:$LHS, node:$RHS), (adde node:$LHS, node:$RHS),
267 [{return N->hasAnyUseOfValue(1);}]>;
268 def sube_live_carry :
269 PatFrag<(ops node:$LHS, node:$RHS), (sube node:$LHS, node:$RHS),
270 [{return N->hasAnyUseOfValue(1);}]>;
272 //===----------------------------------------------------------------------===//
273 // Operand Definitions.
277 def brtarget : Operand<OtherVT>;
279 // A list of registers separated by comma. Used by load/store multiple.
280 def reglist : Operand<i32> {
281 string EncoderMethod = "getRegisterListOpValue";
282 let PrintMethod = "printRegisterList";
285 def RegListAsmOperand : AsmOperandClass {
286 let Name = "RegList";
287 let SuperClasses = [];
290 // An operand for the CONSTPOOL_ENTRY pseudo-instruction.
291 def cpinst_operand : Operand<i32> {
292 let PrintMethod = "printCPInstOperand";
295 def jtblock_operand : Operand<i32> {
296 let PrintMethod = "printJTBlockOperand";
298 def jt2block_operand : Operand<i32> {
299 let PrintMethod = "printJT2BlockOperand";
303 def pclabel : Operand<i32> {
304 let PrintMethod = "printPCLabel";
307 def neon_vcvt_imm32 : Operand<i32> {
308 string EncoderMethod = "getNEONVcvtImm32OpValue";
311 // rot_imm: An integer that encodes a rotate amount. Must be 8, 16, or 24.
312 def rot_imm : Operand<i32>, PatLeaf<(i32 imm), [{
313 int32_t v = (int32_t)N->getZExtValue();
314 return v == 8 || v == 16 || v == 24; }]> {
315 string EncoderMethod = "getRotImmOpValue";
318 // shift_imm: An integer that encodes a shift amount and the type of shift
319 // (currently either asr or lsl) using the same encoding used for the
320 // immediates in so_reg operands.
321 def shift_imm : Operand<i32> {
322 let PrintMethod = "printShiftImmOperand";
325 // shifter_operand operands: so_reg and so_imm.
326 def so_reg : Operand<i32>, // reg reg imm
327 ComplexPattern<i32, 3, "SelectShifterOperandReg",
328 [shl,srl,sra,rotr]> {
329 string EncoderMethod = "getSORegOpValue";
330 let PrintMethod = "printSORegOperand";
331 let MIOperandInfo = (ops GPR, GPR, i32imm);
333 def shift_so_reg : Operand<i32>, // reg reg imm
334 ComplexPattern<i32, 3, "SelectShiftShifterOperandReg",
335 [shl,srl,sra,rotr]> {
336 string EncoderMethod = "getSORegOpValue";
337 let PrintMethod = "printSORegOperand";
338 let MIOperandInfo = (ops GPR, GPR, i32imm);
341 // so_imm - Match a 32-bit shifter_operand immediate operand, which is an
342 // 8-bit immediate rotated by an arbitrary number of bits. so_imm values are
343 // represented in the imm field in the same 12-bit form that they are encoded
344 // into so_imm instructions: the 8-bit immediate is the least significant bits
345 // [bits 0-7], the 4-bit shift amount is the next 4 bits [bits 8-11].
346 def so_imm : Operand<i32>, PatLeaf<(imm), [{ return Pred_so_imm(N); }]> {
347 string EncoderMethod = "getSOImmOpValue";
348 let PrintMethod = "printSOImmOperand";
351 // Break so_imm's up into two pieces. This handles immediates with up to 16
352 // bits set in them. This uses so_imm2part to match and so_imm2part_[12] to
353 // get the first/second pieces.
354 def so_imm2part : Operand<i32>,
356 return ARM_AM::isSOImmTwoPartVal((unsigned)N->getZExtValue());
358 let PrintMethod = "printSOImm2PartOperand";
361 def so_imm2part_1 : SDNodeXForm<imm, [{
362 unsigned V = ARM_AM::getSOImmTwoPartFirst((unsigned)N->getZExtValue());
363 return CurDAG->getTargetConstant(V, MVT::i32);
366 def so_imm2part_2 : SDNodeXForm<imm, [{
367 unsigned V = ARM_AM::getSOImmTwoPartSecond((unsigned)N->getZExtValue());
368 return CurDAG->getTargetConstant(V, MVT::i32);
371 def so_neg_imm2part : Operand<i32>, PatLeaf<(imm), [{
372 return ARM_AM::isSOImmTwoPartVal(-(int)N->getZExtValue());
374 let PrintMethod = "printSOImm2PartOperand";
377 def so_neg_imm2part_1 : SDNodeXForm<imm, [{
378 unsigned V = ARM_AM::getSOImmTwoPartFirst(-(int)N->getZExtValue());
379 return CurDAG->getTargetConstant(V, MVT::i32);
382 def so_neg_imm2part_2 : SDNodeXForm<imm, [{
383 unsigned V = ARM_AM::getSOImmTwoPartSecond(-(int)N->getZExtValue());
384 return CurDAG->getTargetConstant(V, MVT::i32);
387 /// imm0_31 predicate - True if the 32-bit immediate is in the range [0,31].
388 def imm0_31 : Operand<i32>, PatLeaf<(imm), [{
389 return (int32_t)N->getZExtValue() < 32;
392 /// imm0_31_m1 - Matches and prints like imm0_31, but encodes as 'value - 1'.
393 def imm0_31_m1 : Operand<i32>, PatLeaf<(imm), [{
394 return (int32_t)N->getZExtValue() < 32;
396 string EncoderMethod = "getImmMinusOneOpValue";
399 // Define ARM specific addressing modes.
402 // addrmode_imm12 := reg +/- imm12
404 def addrmode_imm12 : Operand<i32>,
405 ComplexPattern<i32, 2, "SelectAddrModeImm12", []> {
406 // 12-bit immediate operand. Note that instructions using this encode
407 // #0 and #-0 differently. We flag #-0 as the magic value INT32_MIN. All other
408 // immediate values are as normal.
410 string EncoderMethod = "getAddrModeImm12OpValue";
411 let PrintMethod = "printAddrModeImm12Operand";
412 let MIOperandInfo = (ops GPR:$base, i32imm:$offsimm);
414 // ldst_so_reg := reg +/- reg shop imm
416 def ldst_so_reg : Operand<i32>,
417 ComplexPattern<i32, 3, "SelectLdStSOReg", []> {
418 string EncoderMethod = "getLdStSORegOpValue";
419 // FIXME: Simplify the printer
420 let PrintMethod = "printAddrMode2Operand";
421 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
424 // addrmode2 := reg +/- imm12
425 // := reg +/- reg shop imm
427 def addrmode2 : Operand<i32>,
428 ComplexPattern<i32, 3, "SelectAddrMode2", []> {
429 let PrintMethod = "printAddrMode2Operand";
430 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
433 def am2offset : Operand<i32>,
434 ComplexPattern<i32, 2, "SelectAddrMode2Offset",
435 [], [SDNPWantRoot]> {
436 let PrintMethod = "printAddrMode2OffsetOperand";
437 let MIOperandInfo = (ops GPR, i32imm);
440 // addrmode3 := reg +/- reg
441 // addrmode3 := reg +/- imm8
443 def addrmode3 : Operand<i32>,
444 ComplexPattern<i32, 3, "SelectAddrMode3", []> {
445 let PrintMethod = "printAddrMode3Operand";
446 let MIOperandInfo = (ops GPR:$base, GPR:$offsreg, i32imm:$offsimm);
449 def am3offset : Operand<i32>,
450 ComplexPattern<i32, 2, "SelectAddrMode3Offset",
451 [], [SDNPWantRoot]> {
452 let PrintMethod = "printAddrMode3OffsetOperand";
453 let MIOperandInfo = (ops GPR, i32imm);
456 // ldstm_mode := {ia, ib, da, db}
458 def ldstm_mode : OptionalDefOperand<OtherVT, (ops i32), (ops (i32 1))> {
459 let PrintMethod = "printLdStmModeOperand";
462 def MemMode5AsmOperand : AsmOperandClass {
463 let Name = "MemMode5";
464 let SuperClasses = [];
467 // addrmode5 := reg +/- imm8*4
469 def addrmode5 : Operand<i32>,
470 ComplexPattern<i32, 2, "SelectAddrMode5", []> {
471 let PrintMethod = "printAddrMode5Operand";
472 let MIOperandInfo = (ops GPR:$base, i32imm);
473 let ParserMatchClass = MemMode5AsmOperand;
474 string EncoderMethod = "getAddrMode5OpValue";
477 // addrmode6 := reg with optional writeback
479 def addrmode6 : Operand<i32>,
480 ComplexPattern<i32, 2, "SelectAddrMode6", [], [SDNPWantParent]>{
481 let PrintMethod = "printAddrMode6Operand";
482 let MIOperandInfo = (ops GPR:$addr, i32imm);
483 string EncoderMethod = "getAddrMode6AddressOpValue";
486 def am6offset : Operand<i32> {
487 let PrintMethod = "printAddrMode6OffsetOperand";
488 let MIOperandInfo = (ops GPR);
489 string EncoderMethod = "getAddrMode6OffsetOpValue";
492 // addrmodepc := pc + reg
494 def addrmodepc : Operand<i32>,
495 ComplexPattern<i32, 2, "SelectAddrModePC", []> {
496 let PrintMethod = "printAddrModePCOperand";
497 let MIOperandInfo = (ops GPR, i32imm);
500 def nohash_imm : Operand<i32> {
501 let PrintMethod = "printNoHashImmediate";
504 //===----------------------------------------------------------------------===//
506 include "ARMInstrFormats.td"
508 //===----------------------------------------------------------------------===//
509 // Multiclass helpers...
512 /// AsI1_bin_irs - Defines a set of (op r, {so_imm|r|so_reg}) patterns for a
513 /// binop that produces a value.
514 multiclass AsI1_bin_irs<bits<4> opcod, string opc,
515 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
516 PatFrag opnode, bit Commutable = 0> {
517 // The register-immediate version is re-materializable. This is useful
518 // in particular for taking the address of a local.
519 let isReMaterializable = 1 in {
520 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
521 iii, opc, "\t$Rd, $Rn, $imm",
522 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
527 let Inst{19-16} = Rn;
528 let Inst{15-12} = Rd;
529 let Inst{11-0} = imm;
532 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
533 iir, opc, "\t$Rd, $Rn, $Rm",
534 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
539 let isCommutable = Commutable;
540 let Inst{19-16} = Rn;
541 let Inst{15-12} = Rd;
542 let Inst{11-4} = 0b00000000;
545 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
546 iis, opc, "\t$Rd, $Rn, $shift",
547 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
552 let Inst{19-16} = Rn;
553 let Inst{15-12} = Rd;
554 let Inst{11-0} = shift;
558 /// AI1_bin_s_irs - Similar to AsI1_bin_irs except it sets the 's' bit so the
559 /// instruction modifies the CPSR register.
560 let Defs = [CPSR] in {
561 multiclass AI1_bin_s_irs<bits<4> opcod, string opc,
562 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
563 PatFrag opnode, bit Commutable = 0> {
564 def ri : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
565 iii, opc, "\t$Rd, $Rn, $imm",
566 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]> {
572 let Inst{19-16} = Rn;
573 let Inst{15-12} = Rd;
574 let Inst{11-0} = imm;
576 def rr : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
577 iir, opc, "\t$Rd, $Rn, $Rm",
578 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]> {
582 let isCommutable = Commutable;
585 let Inst{19-16} = Rn;
586 let Inst{15-12} = Rd;
587 let Inst{11-4} = 0b00000000;
590 def rs : AI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm,
591 iis, opc, "\t$Rd, $Rn, $shift",
592 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]> {
598 let Inst{19-16} = Rn;
599 let Inst{15-12} = Rd;
600 let Inst{11-0} = shift;
605 /// AI1_cmp_irs - Defines a set of (op r, {so_imm|r|so_reg}) cmp / test
606 /// patterns. Similar to AsI1_bin_irs except the instruction does not produce
607 /// a explicit result, only implicitly set CPSR.
608 let isCompare = 1, Defs = [CPSR] in {
609 multiclass AI1_cmp_irs<bits<4> opcod, string opc,
610 InstrItinClass iii, InstrItinClass iir, InstrItinClass iis,
611 PatFrag opnode, bit Commutable = 0> {
612 def ri : AI1<opcod, (outs), (ins GPR:$Rn, so_imm:$imm), DPFrm, iii,
614 [(opnode GPR:$Rn, so_imm:$imm)]> {
619 let Inst{19-16} = Rn;
620 let Inst{15-12} = 0b0000;
621 let Inst{11-0} = imm;
623 def rr : AI1<opcod, (outs), (ins GPR:$Rn, GPR:$Rm), DPFrm, iir,
625 [(opnode GPR:$Rn, GPR:$Rm)]> {
628 let isCommutable = Commutable;
631 let Inst{19-16} = Rn;
632 let Inst{15-12} = 0b0000;
633 let Inst{11-4} = 0b00000000;
636 def rs : AI1<opcod, (outs), (ins GPR:$Rn, so_reg:$shift), DPSoRegFrm, iis,
637 opc, "\t$Rn, $shift",
638 [(opnode GPR:$Rn, so_reg:$shift)]> {
643 let Inst{19-16} = Rn;
644 let Inst{15-12} = 0b0000;
645 let Inst{11-0} = shift;
650 /// AI_ext_rrot - A unary operation with two forms: one whose operand is a
651 /// register and one whose operand is a register rotated by 8/16/24.
652 /// FIXME: Remove the 'r' variant. Its rot_imm is zero.
653 multiclass AI_ext_rrot<bits<8> opcod, string opc, PatFrag opnode> {
654 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
655 IIC_iEXTr, opc, "\t$Rd, $Rm",
656 [(set GPR:$Rd, (opnode GPR:$Rm))]>,
657 Requires<[IsARM, HasV6]> {
660 let Inst{19-16} = 0b1111;
661 let Inst{15-12} = Rd;
662 let Inst{11-10} = 0b00;
665 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
666 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
667 [(set GPR:$Rd, (opnode (rotr GPR:$Rm, rot_imm:$rot)))]>,
668 Requires<[IsARM, HasV6]> {
672 let Inst{19-16} = 0b1111;
673 let Inst{15-12} = Rd;
674 let Inst{11-10} = rot;
679 multiclass AI_ext_rrot_np<bits<8> opcod, string opc> {
680 def r : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm),
681 IIC_iEXTr, opc, "\t$Rd, $Rm",
682 [/* For disassembly only; pattern left blank */]>,
683 Requires<[IsARM, HasV6]> {
684 let Inst{19-16} = 0b1111;
685 let Inst{11-10} = 0b00;
687 def r_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rm, rot_imm:$rot),
688 IIC_iEXTr, opc, "\t$Rd, $Rm, ror $rot",
689 [/* For disassembly only; pattern left blank */]>,
690 Requires<[IsARM, HasV6]> {
692 let Inst{19-16} = 0b1111;
693 let Inst{11-10} = rot;
697 /// AI_exta_rrot - A binary operation with two forms: one whose operand is a
698 /// register and one whose operand is a register rotated by 8/16/24.
699 multiclass AI_exta_rrot<bits<8> opcod, string opc, PatFrag opnode> {
700 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
701 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
702 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
703 Requires<[IsARM, HasV6]> {
704 let Inst{11-10} = 0b00;
706 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
708 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
709 [(set GPR:$Rd, (opnode GPR:$Rn,
710 (rotr GPR:$Rm, rot_imm:$rot)))]>,
711 Requires<[IsARM, HasV6]> {
714 let Inst{19-16} = Rn;
715 let Inst{11-10} = rot;
719 // For disassembly only.
720 multiclass AI_exta_rrot_np<bits<8> opcod, string opc> {
721 def rr : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
722 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm",
723 [/* For disassembly only; pattern left blank */]>,
724 Requires<[IsARM, HasV6]> {
725 let Inst{11-10} = 0b00;
727 def rr_rot : AExtI<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm,
729 IIC_iEXTAr, opc, "\t$Rd, $Rn, $Rm, ror $rot",
730 [/* For disassembly only; pattern left blank */]>,
731 Requires<[IsARM, HasV6]> {
734 let Inst{19-16} = Rn;
735 let Inst{11-10} = rot;
739 /// AI1_adde_sube_irs - Define instructions and patterns for adde and sube.
740 let Uses = [CPSR] in {
741 multiclass AI1_adde_sube_irs<bits<4> opcod, string opc, PatFrag opnode,
742 bit Commutable = 0> {
743 def ri : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
744 DPFrm, IIC_iALUi, opc, "\t$Rd, $Rn, $imm",
745 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
751 let Inst{15-12} = Rd;
752 let Inst{19-16} = Rn;
753 let Inst{11-0} = imm;
755 def rr : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
756 DPFrm, IIC_iALUr, opc, "\t$Rd, $Rn, $Rm",
757 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
762 let Inst{11-4} = 0b00000000;
764 let isCommutable = Commutable;
766 let Inst{15-12} = Rd;
767 let Inst{19-16} = Rn;
769 def rs : AsI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
770 DPSoRegFrm, IIC_iALUsr, opc, "\t$Rd, $Rn, $shift",
771 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
777 let Inst{11-0} = shift;
778 let Inst{15-12} = Rd;
779 let Inst{19-16} = Rn;
782 // Carry setting variants
783 let Defs = [CPSR] in {
784 multiclass AI1_adde_sube_s_irs<bits<4> opcod, string opc, PatFrag opnode,
785 bit Commutable = 0> {
786 def Sri : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
787 DPFrm, IIC_iALUi, !strconcat(opc, "\t$Rd, $Rn, $imm"),
788 [(set GPR:$Rd, (opnode GPR:$Rn, so_imm:$imm))]>,
793 let Inst{15-12} = Rd;
794 let Inst{19-16} = Rn;
795 let Inst{11-0} = imm;
799 def Srr : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
800 DPFrm, IIC_iALUr, !strconcat(opc, "\t$Rd, $Rn, $Rm"),
801 [(set GPR:$Rd, (opnode GPR:$Rn, GPR:$Rm))]>,
806 let Inst{11-4} = 0b00000000;
807 let isCommutable = Commutable;
809 let Inst{15-12} = Rd;
810 let Inst{19-16} = Rn;
814 def Srs : AXI1<opcod, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
815 DPSoRegFrm, IIC_iALUsr, !strconcat(opc, "\t$Rd, $Rn, $shift"),
816 [(set GPR:$Rd, (opnode GPR:$Rn, so_reg:$shift))]>,
821 let Inst{11-0} = shift;
822 let Inst{15-12} = Rd;
823 let Inst{19-16} = Rn;
831 let canFoldAsLoad = 1, isReMaterializable = 1 in {
832 multiclass AI_ldr1<bit opc22, string opc, InstrItinClass iii,
833 InstrItinClass iir, PatFrag opnode> {
834 // Note: We use the complex addrmode_imm12 rather than just an input
835 // GPR and a constrained immediate so that we can use this to match
836 // frame index references and avoid matching constant pool references.
837 def i12 : AIldst1<0b010, opc22, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
838 AddrMode_i12, LdFrm, iii, opc, "\t$Rt, $addr",
839 [(set GPR:$Rt, (opnode addrmode_imm12:$addr))]> {
842 let Inst{23} = addr{12}; // U (add = ('U' == 1))
843 let Inst{19-16} = addr{16-13}; // Rn
844 let Inst{15-12} = Rt;
845 let Inst{11-0} = addr{11-0}; // imm12
847 def rs : AIldst1<0b011, opc22, 1, (outs GPR:$Rt), (ins ldst_so_reg:$shift),
848 AddrModeNone, LdFrm, iir, opc, "\t$Rt, $shift",
849 [(set GPR:$Rt, (opnode ldst_so_reg:$shift))]> {
852 let Inst{23} = shift{12}; // U (add = ('U' == 1))
853 let Inst{19-16} = shift{16-13}; // Rn
854 let Inst{15-12} = Rt;
855 let Inst{11-0} = shift{11-0};
860 multiclass AI_str1<bit opc22, string opc, InstrItinClass iii,
861 InstrItinClass iir, PatFrag opnode> {
862 // Note: We use the complex addrmode_imm12 rather than just an input
863 // GPR and a constrained immediate so that we can use this to match
864 // frame index references and avoid matching constant pool references.
865 def i12 : AIldst1<0b010, opc22, 0, (outs),
866 (ins GPR:$Rt, addrmode_imm12:$addr),
867 AddrMode_i12, StFrm, iii, opc, "\t$Rt, $addr",
868 [(opnode GPR:$Rt, addrmode_imm12:$addr)]> {
871 let Inst{23} = addr{12}; // U (add = ('U' == 1))
872 let Inst{19-16} = addr{16-13}; // Rn
873 let Inst{15-12} = Rt;
874 let Inst{11-0} = addr{11-0}; // imm12
876 def rs : AIldst1<0b011, opc22, 0, (outs), (ins GPR:$Rt, ldst_so_reg:$shift),
877 AddrModeNone, StFrm, iir, opc, "\t$Rt, $shift",
878 [(opnode GPR:$Rt, ldst_so_reg:$shift)]> {
881 let Inst{23} = shift{12}; // U (add = ('U' == 1))
882 let Inst{19-16} = shift{16-13}; // Rn
883 let Inst{15-12} = Rt;
884 let Inst{11-0} = shift{11-0};
887 //===----------------------------------------------------------------------===//
889 //===----------------------------------------------------------------------===//
891 //===----------------------------------------------------------------------===//
892 // Miscellaneous Instructions.
895 /// CONSTPOOL_ENTRY - This instruction represents a floating constant pool in
896 /// the function. The first operand is the ID# for this instruction, the second
897 /// is the index into the MachineConstantPool that this is, the third is the
898 /// size in bytes of this constant pool entry.
899 let neverHasSideEffects = 1, isNotDuplicable = 1 in
900 def CONSTPOOL_ENTRY :
901 PseudoInst<(outs), (ins cpinst_operand:$instid, cpinst_operand:$cpidx,
902 i32imm:$size), NoItinerary, "", []>;
904 // FIXME: Marking these as hasSideEffects is necessary to prevent machine DCE
905 // from removing one half of the matched pairs. That breaks PEI, which assumes
906 // these will always be in pairs, and asserts if it finds otherwise. Better way?
907 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
909 PseudoInst<(outs), (ins i32imm:$amt1, i32imm:$amt2, pred:$p), NoItinerary, "",
910 [(ARMcallseq_end timm:$amt1, timm:$amt2)]>;
912 def ADJCALLSTACKDOWN :
913 PseudoInst<(outs), (ins i32imm:$amt, pred:$p), NoItinerary, "",
914 [(ARMcallseq_start timm:$amt)]>;
917 def NOP : AI<(outs), (ins), MiscFrm, NoItinerary, "nop", "",
918 [/* For disassembly only; pattern left blank */]>,
919 Requires<[IsARM, HasV6T2]> {
920 let Inst{27-16} = 0b001100100000;
921 let Inst{15-8} = 0b11110000;
922 let Inst{7-0} = 0b00000000;
925 def YIELD : AI<(outs), (ins), MiscFrm, NoItinerary, "yield", "",
926 [/* For disassembly only; pattern left blank */]>,
927 Requires<[IsARM, HasV6T2]> {
928 let Inst{27-16} = 0b001100100000;
929 let Inst{15-8} = 0b11110000;
930 let Inst{7-0} = 0b00000001;
933 def WFE : AI<(outs), (ins), MiscFrm, NoItinerary, "wfe", "",
934 [/* For disassembly only; pattern left blank */]>,
935 Requires<[IsARM, HasV6T2]> {
936 let Inst{27-16} = 0b001100100000;
937 let Inst{15-8} = 0b11110000;
938 let Inst{7-0} = 0b00000010;
941 def WFI : AI<(outs), (ins), MiscFrm, NoItinerary, "wfi", "",
942 [/* For disassembly only; pattern left blank */]>,
943 Requires<[IsARM, HasV6T2]> {
944 let Inst{27-16} = 0b001100100000;
945 let Inst{15-8} = 0b11110000;
946 let Inst{7-0} = 0b00000011;
949 def SEL : AI<(outs GPR:$dst), (ins GPR:$a, GPR:$b), DPFrm, NoItinerary, "sel",
951 [/* For disassembly only; pattern left blank */]>,
952 Requires<[IsARM, HasV6]> {
957 let Inst{15-12} = Rd;
958 let Inst{19-16} = Rn;
959 let Inst{27-20} = 0b01101000;
960 let Inst{7-4} = 0b1011;
961 let Inst{11-8} = 0b1111;
964 def SEV : AI<(outs), (ins), MiscFrm, NoItinerary, "sev", "",
965 [/* For disassembly only; pattern left blank */]>,
966 Requires<[IsARM, HasV6T2]> {
967 let Inst{27-16} = 0b001100100000;
968 let Inst{15-8} = 0b11110000;
969 let Inst{7-0} = 0b00000100;
972 // The i32imm operand $val can be used by a debugger to store more information
973 // about the breakpoint.
974 def BKPT : AI<(outs), (ins i32imm:$val), MiscFrm, NoItinerary, "bkpt", "\t$val",
975 [/* For disassembly only; pattern left blank */]>,
978 let Inst{3-0} = val{3-0};
979 let Inst{19-8} = val{15-4};
980 let Inst{27-20} = 0b00010010;
981 let Inst{7-4} = 0b0111;
984 // Change Processor State is a system instruction -- for disassembly only.
985 // The singleton $opt operand contains the following information:
986 // opt{4-0} = mode from Inst{4-0}
987 // opt{5} = changemode from Inst{17}
988 // opt{8-6} = AIF from Inst{8-6}
989 // opt{10-9} = imod from Inst{19-18} with 0b10 as enable and 0b11 as disable
990 // FIXME: Integrated assembler will need these split out.
991 def CPS : AXI<(outs), (ins cps_opt:$opt), MiscFrm, NoItinerary, "cps$opt",
992 [/* For disassembly only; pattern left blank */]>,
994 let Inst{31-28} = 0b1111;
995 let Inst{27-20} = 0b00010000;
1000 // Preload signals the memory system of possible future data/instruction access.
1001 // These are for disassembly only.
1002 multiclass APreLoad<bits<1> read, bits<1> data, string opc> {
1004 def i12 : AXI<(outs), (ins addrmode_imm12:$addr), MiscFrm, IIC_Preload,
1005 !strconcat(opc, "\t$addr"),
1006 [(ARMPreload addrmode_imm12:$addr, (i32 read), (i32 data))]> {
1009 let Inst{31-26} = 0b111101;
1010 let Inst{25} = 0; // 0 for immediate form
1011 let Inst{24} = data;
1012 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1013 let Inst{22} = read;
1014 let Inst{21-20} = 0b01;
1015 let Inst{19-16} = addr{16-13}; // Rn
1016 let Inst{15-12} = Rt;
1017 let Inst{11-0} = addr{11-0}; // imm12
1020 def rs : AXI<(outs), (ins ldst_so_reg:$shift), MiscFrm, IIC_Preload,
1021 !strconcat(opc, "\t$shift"),
1022 [(ARMPreload ldst_so_reg:$shift, (i32 read), (i32 data))]> {
1025 let Inst{31-26} = 0b111101;
1026 let Inst{25} = 1; // 1 for register form
1027 let Inst{24} = data;
1028 let Inst{23} = shift{12}; // U (add = ('U' == 1))
1029 let Inst{22} = read;
1030 let Inst{21-20} = 0b01;
1031 let Inst{19-16} = shift{16-13}; // Rn
1032 let Inst{11-0} = shift{11-0};
1036 defm PLD : APreLoad<1, 1, "pld">, Requires<[IsARM]>;
1037 defm PLDW : APreLoad<0, 1, "pldw">, Requires<[IsARM,HasV7,HasMP]>;
1038 defm PLI : APreLoad<1, 0, "pli">, Requires<[IsARM,HasV7]>;
1040 def SETEND : AXI<(outs),(ins setend_op:$end), MiscFrm, NoItinerary,
1042 [/* For disassembly only; pattern left blank */]>,
1045 let Inst{31-10} = 0b1111000100000001000000;
1050 def DBG : AI<(outs), (ins i32imm:$opt), MiscFrm, NoItinerary, "dbg", "\t$opt",
1051 [/* For disassembly only; pattern left blank */]>,
1052 Requires<[IsARM, HasV7]> {
1054 let Inst{27-4} = 0b001100100000111100001111;
1055 let Inst{3-0} = opt;
1058 // A5.4 Permanently UNDEFINED instructions.
1059 let isBarrier = 1, isTerminator = 1 in
1060 def TRAP : AXI<(outs), (ins), MiscFrm, NoItinerary,
1063 let Inst{27-25} = 0b011;
1064 let Inst{24-20} = 0b11111;
1065 let Inst{7-5} = 0b111;
1069 // Address computation and loads and stores in PIC mode.
1070 // FIXME: These PIC insn patterns are pseudos, but derive from the normal insn
1071 // classes (AXI1, et.al.) and so have encoding information and such,
1072 // which is suboptimal. Once the rest of the code emitter (including
1073 // JIT) is MC-ized we should look at refactoring these into true
1074 // pseudos. As is, the encoding information ends up being ignored,
1075 // as these instructions are lowered to individual MC-insts.
1076 let isNotDuplicable = 1 in {
1077 def PICADD : AXI1<0b0100, (outs GPR:$dst), (ins GPR:$a, pclabel:$cp, pred:$p),
1078 Pseudo, IIC_iALUr, "",
1079 [(set GPR:$dst, (ARMpic_add GPR:$a, imm:$cp))]>;
1081 let AddedComplexity = 10 in {
1082 def PICLDR : AXI2ldw<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1083 Pseudo, IIC_iLoad_r, "",
1084 [(set GPR:$dst, (load addrmodepc:$addr))]>;
1086 def PICLDRH : AXI3ldh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1087 Pseudo, IIC_iLoad_bh_r, "",
1088 [(set GPR:$dst, (zextloadi16 addrmodepc:$addr))]>;
1090 def PICLDRB : AXI2ldb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1091 Pseudo, IIC_iLoad_bh_r, "",
1092 [(set GPR:$dst, (zextloadi8 addrmodepc:$addr))]>;
1094 def PICLDRSH : AXI3ldsh<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1095 Pseudo, IIC_iLoad_bh_r, "",
1096 [(set GPR:$dst, (sextloadi16 addrmodepc:$addr))]>;
1098 def PICLDRSB : AXI3ldsb<(outs GPR:$dst), (ins addrmodepc:$addr, pred:$p),
1099 Pseudo, IIC_iLoad_bh_r, "",
1100 [(set GPR:$dst, (sextloadi8 addrmodepc:$addr))]>;
1102 let AddedComplexity = 10 in {
1103 def PICSTR : AXI2stw<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1104 Pseudo, IIC_iStore_r, "",
1105 [(store GPR:$src, addrmodepc:$addr)]>;
1107 def PICSTRH : AXI3sth<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1108 Pseudo, IIC_iStore_bh_r, "",
1109 [(truncstorei16 GPR:$src, addrmodepc:$addr)]>;
1111 def PICSTRB : AXI2stb<(outs), (ins GPR:$src, addrmodepc:$addr, pred:$p),
1112 Pseudo, IIC_iStore_bh_r, "",
1113 [(truncstorei8 GPR:$src, addrmodepc:$addr)]>;
1115 } // isNotDuplicable = 1
1118 // LEApcrel - Load a pc-relative address into a register without offending the
1120 // FIXME: These are marked as pseudos, but they're really not(?). They're just
1121 // the ADR instruction. Is this the right way to handle that? They need
1122 // encoding information regardless.
1123 let neverHasSideEffects = 1 in {
1124 let isReMaterializable = 1 in
1125 def LEApcrel : AXI1<0x0, (outs GPR:$dst), (ins i32imm:$label, pred:$p),
1127 "adr$p\t$dst, #$label", []>;
1129 } // neverHasSideEffects
1130 def LEApcrelJT : AXI1<0x0, (outs GPR:$dst),
1131 (ins i32imm:$label, nohash_imm:$id, pred:$p),
1133 "adr$p\t$dst, #${label}_${id}", []> {
1137 //===----------------------------------------------------------------------===//
1138 // Control Flow Instructions.
1141 let isReturn = 1, isTerminator = 1, isBarrier = 1 in {
1143 def BX_RET : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1144 "bx", "\tlr", [(ARMretflag)]>,
1145 Requires<[IsARM, HasV4T]> {
1146 let Inst{27-0} = 0b0001001011111111111100011110;
1150 def MOVPCLR : AI<(outs), (ins), BrMiscFrm, IIC_Br,
1151 "mov", "\tpc, lr", [(ARMretflag)]>,
1152 Requires<[IsARM, NoV4T]> {
1153 let Inst{27-0} = 0b0001101000001111000000001110;
1157 // Indirect branches
1158 let isBranch = 1, isTerminator = 1, isBarrier = 1, isIndirectBranch = 1 in {
1160 def BRIND : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "bx\t$dst",
1161 [(brind GPR:$dst)]>,
1162 Requires<[IsARM, HasV4T]> {
1164 let Inst{31-4} = 0b1110000100101111111111110001;
1165 let Inst{3-0} = dst;
1169 def MOVPCRX : AXI<(outs), (ins GPR:$dst), BrMiscFrm, IIC_Br, "mov\tpc, $dst",
1170 [(brind GPR:$dst)]>,
1171 Requires<[IsARM, NoV4T]> {
1173 let Inst{31-4} = 0b1110000110100000111100000000;
1174 let Inst{3-0} = dst;
1178 // FIXME: remove when we have a way to marking a MI with these properties.
1179 // FIXME: Should pc be an implicit operand like PICADD, etc?
1180 let isReturn = 1, isTerminator = 1, isBarrier = 1, mayLoad = 1,
1181 hasExtraDefRegAllocReq = 1, isCodeGenOnly = 1 in
1182 def LDM_RET : AXI4ld<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$mode, pred:$p,
1183 reglist:$dsts, variable_ops),
1184 IndexModeUpd, LdStMulFrm, IIC_iLoad_mBr,
1185 "ldm${mode}${p}\t$Rn!, $dsts",
1188 // On non-Darwin platforms R9 is callee-saved.
1190 Defs = [R0, R1, R2, R3, R12, LR,
1191 D0, D1, D2, D3, D4, D5, D6, D7,
1192 D16, D17, D18, D19, D20, D21, D22, D23,
1193 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1194 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1195 IIC_Br, "bl\t$func",
1196 [(ARMcall tglobaladdr:$func)]>,
1197 Requires<[IsARM, IsNotDarwin]> {
1198 let Inst{31-28} = 0b1110;
1199 // FIXME: Encoding info for $func. Needs fixups bits.
1202 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1203 IIC_Br, "bl", "\t$func",
1204 [(ARMcall_pred tglobaladdr:$func)]>,
1205 Requires<[IsARM, IsNotDarwin]>;
1208 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1209 IIC_Br, "blx\t$func",
1210 [(ARMcall GPR:$func)]>,
1211 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1213 let Inst{27-4} = 0b000100101111111111110011;
1214 let Inst{3-0} = func;
1218 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1219 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1220 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1221 [(ARMcall_nolink tGPR:$func)]>,
1222 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1224 let Inst{27-4} = 0b000100101111111111110001;
1225 let Inst{3-0} = func;
1229 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1230 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1231 [(ARMcall_nolink tGPR:$func)]>,
1232 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1234 let Inst{27-4} = 0b000110100000111100000000;
1235 let Inst{3-0} = func;
1239 // On Darwin R9 is call-clobbered.
1241 Defs = [R0, R1, R2, R3, R9, R12, LR,
1242 D0, D1, D2, D3, D4, D5, D6, D7,
1243 D16, D17, D18, D19, D20, D21, D22, D23,
1244 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1245 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1246 IIC_Br, "bl\t$func",
1247 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1248 let Inst{31-28} = 0b1110;
1249 // FIXME: Encoding info for $func. Needs fixups bits.
1252 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1253 IIC_Br, "bl", "\t$func",
1254 [(ARMcall_pred tglobaladdr:$func)]>,
1255 Requires<[IsARM, IsDarwin]>;
1258 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1259 IIC_Br, "blx\t$func",
1260 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1262 let Inst{27-4} = 0b000100101111111111110011;
1263 let Inst{3-0} = func;
1267 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1268 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1269 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1270 [(ARMcall_nolink tGPR:$func)]>,
1271 Requires<[IsARM, HasV4T, IsDarwin]> {
1273 let Inst{27-4} = 0b000100101111111111110001;
1274 let Inst{3-0} = func;
1278 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1279 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1280 [(ARMcall_nolink tGPR:$func)]>,
1281 Requires<[IsARM, NoV4T, IsDarwin]> {
1283 let Inst{27-4} = 0b000110100000111100000000;
1284 let Inst{3-0} = func;
1290 // FIXME: These should probably be xformed into the non-TC versions of the
1291 // instructions as part of MC lowering.
1292 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1294 let Defs = [R0, R1, R2, R3, R9, R12,
1295 D0, D1, D2, D3, D4, D5, D6, D7,
1296 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1297 D27, D28, D29, D30, D31, PC],
1299 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1301 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1303 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1305 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1307 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1308 IIC_Br, "b\t$dst @ TAILCALL",
1309 []>, Requires<[IsDarwin]>;
1311 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1312 IIC_Br, "b.w\t$dst @ TAILCALL",
1313 []>, Requires<[IsDarwin]>;
1315 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1316 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1317 []>, Requires<[IsDarwin]> {
1319 let Inst{31-4} = 0b1110000100101111111111110001;
1320 let Inst{3-0} = dst;
1324 // Non-Darwin versions (the difference is R9).
1325 let Defs = [R0, R1, R2, R3, R12,
1326 D0, D1, D2, D3, D4, D5, D6, D7,
1327 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1328 D27, D28, D29, D30, D31, PC],
1330 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1332 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1334 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1336 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1338 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1339 IIC_Br, "b\t$dst @ TAILCALL",
1340 []>, Requires<[IsARM, IsNotDarwin]>;
1342 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1343 IIC_Br, "b.w\t$dst @ TAILCALL",
1344 []>, Requires<[IsThumb, IsNotDarwin]>;
1346 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1347 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1348 []>, Requires<[IsNotDarwin]> {
1350 let Inst{31-4} = 0b1110000100101111111111110001;
1351 let Inst{3-0} = dst;
1356 let isBranch = 1, isTerminator = 1 in {
1357 // B is "predicable" since it can be xformed into a Bcc.
1358 let isBarrier = 1 in {
1359 let isPredicable = 1 in
1360 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1361 "b\t$target", [(br bb:$target)]>;
1363 let isNotDuplicable = 1, isIndirectBranch = 1,
1364 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1365 isCodeGenOnly = 1 in {
1366 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1367 IIC_Br, "mov\tpc, $target$jt",
1368 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1369 let Inst{11-4} = 0b00000000;
1370 let Inst{15-12} = 0b1111;
1371 let Inst{20} = 0; // S Bit
1372 let Inst{24-21} = 0b1101;
1373 let Inst{27-25} = 0b000;
1375 def BR_JTm : JTI<(outs),
1376 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1377 IIC_Br, "ldr\tpc, $target$jt",
1378 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1380 let Inst{15-12} = 0b1111;
1381 let Inst{20} = 1; // L bit
1382 let Inst{21} = 0; // W bit
1383 let Inst{22} = 0; // B bit
1384 let Inst{24} = 1; // P bit
1385 let Inst{27-25} = 0b011;
1387 def BR_JTadd : JTI<(outs),
1388 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1389 IIC_Br, "add\tpc, $target, $idx$jt",
1390 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1392 let Inst{15-12} = 0b1111;
1393 let Inst{20} = 0; // S bit
1394 let Inst{24-21} = 0b0100;
1395 let Inst{27-25} = 0b000;
1397 } // isNotDuplicable = 1, isIndirectBranch = 1
1400 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1401 // a two-value operand where a dag node expects two operands. :(
1402 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1403 IIC_Br, "b", "\t$target",
1404 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1407 // Branch and Exchange Jazelle -- for disassembly only
1408 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1409 [/* For disassembly only; pattern left blank */]> {
1410 let Inst{23-20} = 0b0010;
1411 //let Inst{19-8} = 0xfff;
1412 let Inst{7-4} = 0b0010;
1415 // Secure Monitor Call is a system instruction -- for disassembly only
1416 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1417 [/* For disassembly only; pattern left blank */]> {
1419 let Inst{23-4} = 0b01100000000000000111;
1420 let Inst{3-0} = opt;
1423 // Supervisor Call (Software Interrupt) -- for disassembly only
1425 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1426 [/* For disassembly only; pattern left blank */]> {
1428 let Inst{23-0} = svc;
1432 // Store Return State is a system instruction -- for disassembly only
1433 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1434 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1435 NoItinerary, "srs${amode}\tsp!, $mode",
1436 [/* For disassembly only; pattern left blank */]> {
1437 let Inst{31-28} = 0b1111;
1438 let Inst{22-20} = 0b110; // W = 1
1441 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1442 NoItinerary, "srs${amode}\tsp, $mode",
1443 [/* For disassembly only; pattern left blank */]> {
1444 let Inst{31-28} = 0b1111;
1445 let Inst{22-20} = 0b100; // W = 0
1448 // Return From Exception is a system instruction -- for disassembly only
1449 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1450 NoItinerary, "rfe${amode}\t$base!",
1451 [/* For disassembly only; pattern left blank */]> {
1452 let Inst{31-28} = 0b1111;
1453 let Inst{22-20} = 0b011; // W = 1
1456 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1457 NoItinerary, "rfe${amode}\t$base",
1458 [/* For disassembly only; pattern left blank */]> {
1459 let Inst{31-28} = 0b1111;
1460 let Inst{22-20} = 0b001; // W = 0
1462 } // isCodeGenOnly = 1
1464 //===----------------------------------------------------------------------===//
1465 // Load / store Instructions.
1471 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1472 UnOpFrag<(load node:$Src)>>;
1473 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1474 UnOpFrag<(zextloadi8 node:$Src)>>;
1475 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1476 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1477 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1478 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1480 // Special LDR for loads from non-pc-relative constpools.
1481 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1482 isReMaterializable = 1 in
1483 def LDRcp : AIldst1<0b010, 0, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1484 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1487 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1488 let Inst{19-16} = 0b1111;
1489 let Inst{15-12} = Rt;
1490 let Inst{11-0} = addr{11-0}; // imm12
1493 // Loads with zero extension
1494 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1495 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1496 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1498 // Loads with sign extension
1499 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1500 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1501 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1503 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1504 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1505 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1507 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1508 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1510 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1511 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1512 []>, Requires<[IsARM, HasV5TE]>;
1515 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1516 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1517 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1519 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1520 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1521 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1523 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1524 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1525 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1527 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1528 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1529 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1531 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1532 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1533 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1535 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1536 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1537 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1539 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1540 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1541 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1543 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1544 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1545 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1547 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1548 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1549 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1551 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1552 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1553 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1555 // For disassembly only
1556 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1557 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1558 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1559 Requires<[IsARM, HasV5TE]>;
1561 // For disassembly only
1562 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1563 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1564 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1565 Requires<[IsARM, HasV5TE]>;
1567 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1569 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1571 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1572 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1573 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1574 let Inst{21} = 1; // overwrite
1577 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1578 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1579 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1580 let Inst{21} = 1; // overwrite
1583 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1584 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1585 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1586 let Inst{21} = 1; // overwrite
1589 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1590 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1591 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1592 let Inst{21} = 1; // overwrite
1595 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1596 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1597 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1598 let Inst{21} = 1; // overwrite
1603 // Stores with truncate
1604 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1605 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1606 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1609 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1610 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1611 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1612 StMiscFrm, IIC_iStore_d_r,
1613 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1616 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1617 (ins GPR:$src, GPR:$base, am2offset:$offset),
1618 StFrm, IIC_iStore_ru,
1619 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1621 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1623 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1624 (ins GPR:$src, GPR:$base,am2offset:$offset),
1625 StFrm, IIC_iStore_ru,
1626 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1628 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1630 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1631 (ins GPR:$src, GPR:$base,am3offset:$offset),
1632 StMiscFrm, IIC_iStore_ru,
1633 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1635 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1637 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1638 (ins GPR:$src, GPR:$base,am3offset:$offset),
1639 StMiscFrm, IIC_iStore_bh_ru,
1640 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1641 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1642 GPR:$base, am3offset:$offset))]>;
1644 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1645 (ins GPR:$src, GPR:$base,am2offset:$offset),
1646 StFrm, IIC_iStore_bh_ru,
1647 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1648 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1649 GPR:$base, am2offset:$offset))]>;
1651 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1652 (ins GPR:$src, GPR:$base,am2offset:$offset),
1653 StFrm, IIC_iStore_bh_ru,
1654 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1655 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1656 GPR:$base, am2offset:$offset))]>;
1658 // For disassembly only
1659 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1660 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1661 StMiscFrm, IIC_iStore_d_ru,
1662 "strd", "\t$src1, $src2, [$base, $offset]!",
1663 "$base = $base_wb", []>;
1665 // For disassembly only
1666 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1667 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1668 StMiscFrm, IIC_iStore_d_ru,
1669 "strd", "\t$src1, $src2, [$base], $offset",
1670 "$base = $base_wb", []>;
1672 // STRT, STRBT, and STRHT are for disassembly only.
1674 def STRT : AI2stwpo<(outs GPR:$base_wb),
1675 (ins GPR:$src, GPR:$base,am2offset:$offset),
1676 StFrm, IIC_iStore_ru,
1677 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1678 [/* For disassembly only; pattern left blank */]> {
1679 let Inst{21} = 1; // overwrite
1682 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1683 (ins GPR:$src, GPR:$base,am2offset:$offset),
1684 StFrm, IIC_iStore_bh_ru,
1685 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1686 [/* For disassembly only; pattern left blank */]> {
1687 let Inst{21} = 1; // overwrite
1690 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1691 (ins GPR:$src, GPR:$base,am3offset:$offset),
1692 StMiscFrm, IIC_iStore_bh_ru,
1693 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1694 [/* For disassembly only; pattern left blank */]> {
1695 let Inst{21} = 1; // overwrite
1698 //===----------------------------------------------------------------------===//
1699 // Load / store multiple Instructions.
1702 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1703 isCodeGenOnly = 1 in {
1704 def LDM : AXI4ld<(outs), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1705 reglist:$dsts, variable_ops),
1706 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1707 "ldm${amode}${p}\t$Rn, $dsts", "", []>;
1709 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1710 reglist:$dsts, variable_ops),
1711 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1712 "ldm${amode}${p}\t$Rn!, $dsts",
1714 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1716 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1717 isCodeGenOnly = 1 in {
1718 def STM : AXI4st<(outs), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1719 reglist:$srcs, variable_ops),
1720 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1721 "stm${amode}${p}\t$Rn, $srcs", "", []>;
1723 def STM_UPD : AXI4st<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1724 reglist:$srcs, variable_ops),
1725 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1726 "stm${amode}${p}\t$Rn!, $srcs",
1728 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1730 //===----------------------------------------------------------------------===//
1731 // Move Instructions.
1734 let neverHasSideEffects = 1 in
1735 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1736 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1740 let Inst{11-4} = 0b00000000;
1743 let Inst{15-12} = Rd;
1746 // A version for the smaller set of tail call registers.
1747 let neverHasSideEffects = 1 in
1748 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1749 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1753 let Inst{11-4} = 0b00000000;
1756 let Inst{15-12} = Rd;
1759 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1760 DPSoRegFrm, IIC_iMOVsr,
1761 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1765 let Inst{15-12} = Rd;
1766 let Inst{11-0} = src;
1770 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1771 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1772 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1776 let Inst{15-12} = Rd;
1777 let Inst{19-16} = 0b0000;
1778 let Inst{11-0} = imm;
1781 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1782 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1784 "movw", "\t$Rd, $imm",
1785 [(set GPR:$Rd, imm0_65535:$imm)]>,
1786 Requires<[IsARM, HasV6T2]>, UnaryDP {
1789 let Inst{15-12} = Rd;
1790 let Inst{11-0} = imm{11-0};
1791 let Inst{19-16} = imm{15-12};
1796 let Constraints = "$src = $Rd" in
1797 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1799 "movt", "\t$Rd, $imm",
1801 (or (and GPR:$src, 0xffff),
1802 lo16AllZero:$imm))]>, UnaryDP,
1803 Requires<[IsARM, HasV6T2]> {
1806 let Inst{15-12} = Rd;
1807 let Inst{11-0} = imm{11-0};
1808 let Inst{19-16} = imm{15-12};
1813 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1814 Requires<[IsARM, HasV6T2]>;
1816 let Uses = [CPSR] in
1817 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1818 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1821 // These aren't really mov instructions, but we have to define them this way
1822 // due to flag operands.
1824 let Defs = [CPSR] in {
1825 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1826 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1828 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1829 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1833 //===----------------------------------------------------------------------===//
1834 // Extend Instructions.
1839 defm SXTB : AI_ext_rrot<0b01101010,
1840 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1841 defm SXTH : AI_ext_rrot<0b01101011,
1842 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1844 defm SXTAB : AI_exta_rrot<0b01101010,
1845 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1846 defm SXTAH : AI_exta_rrot<0b01101011,
1847 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1849 // For disassembly only
1850 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1852 // For disassembly only
1853 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1857 let AddedComplexity = 16 in {
1858 defm UXTB : AI_ext_rrot<0b01101110,
1859 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1860 defm UXTH : AI_ext_rrot<0b01101111,
1861 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1862 defm UXTB16 : AI_ext_rrot<0b01101100,
1863 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1865 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1866 // The transformation should probably be done as a combiner action
1867 // instead so we can include a check for masking back in the upper
1868 // eight bits of the source into the lower eight bits of the result.
1869 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1870 // (UXTB16r_rot GPR:$Src, 24)>;
1871 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1872 (UXTB16r_rot GPR:$Src, 8)>;
1874 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1875 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1876 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1877 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1880 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1881 // For disassembly only
1882 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1885 def SBFX : I<(outs GPR:$Rd),
1886 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1887 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1888 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1889 Requires<[IsARM, HasV6T2]> {
1894 let Inst{27-21} = 0b0111101;
1895 let Inst{6-4} = 0b101;
1896 let Inst{20-16} = width;
1897 let Inst{15-12} = Rd;
1898 let Inst{11-7} = lsb;
1902 def UBFX : I<(outs GPR:$Rd),
1903 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1904 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1905 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1906 Requires<[IsARM, HasV6T2]> {
1911 let Inst{27-21} = 0b0111111;
1912 let Inst{6-4} = 0b101;
1913 let Inst{20-16} = width;
1914 let Inst{15-12} = Rd;
1915 let Inst{11-7} = lsb;
1919 //===----------------------------------------------------------------------===//
1920 // Arithmetic Instructions.
1923 defm ADD : AsI1_bin_irs<0b0100, "add",
1924 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1925 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1926 defm SUB : AsI1_bin_irs<0b0010, "sub",
1927 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1928 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1930 // ADD and SUB with 's' bit set.
1931 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1932 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1933 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1934 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1935 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1936 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1938 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1939 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1940 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1941 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1942 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1943 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1944 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1945 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1947 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1948 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1949 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1954 let Inst{15-12} = Rd;
1955 let Inst{19-16} = Rn;
1956 let Inst{11-0} = imm;
1959 // The reg/reg form is only defined for the disassembler; for codegen it is
1960 // equivalent to SUBrr.
1961 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1962 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1963 [/* For disassembly only; pattern left blank */]> {
1967 let Inst{11-4} = 0b00000000;
1970 let Inst{15-12} = Rd;
1971 let Inst{19-16} = Rn;
1974 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1975 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1976 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1981 let Inst{11-0} = shift;
1982 let Inst{15-12} = Rd;
1983 let Inst{19-16} = Rn;
1986 // RSB with 's' bit set.
1987 let Defs = [CPSR] in {
1988 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1989 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
1990 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
1996 let Inst{15-12} = Rd;
1997 let Inst{19-16} = Rn;
1998 let Inst{11-0} = imm;
2000 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2001 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2002 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2008 let Inst{11-0} = shift;
2009 let Inst{15-12} = Rd;
2010 let Inst{19-16} = Rn;
2014 let Uses = [CPSR] in {
2015 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2016 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2017 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2023 let Inst{15-12} = Rd;
2024 let Inst{19-16} = Rn;
2025 let Inst{11-0} = imm;
2027 // The reg/reg form is only defined for the disassembler; for codegen it is
2028 // equivalent to SUBrr.
2029 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2030 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2031 [/* For disassembly only; pattern left blank */]> {
2035 let Inst{11-4} = 0b00000000;
2038 let Inst{15-12} = Rd;
2039 let Inst{19-16} = Rn;
2041 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2042 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2043 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2049 let Inst{11-0} = shift;
2050 let Inst{15-12} = Rd;
2051 let Inst{19-16} = Rn;
2055 // FIXME: Allow these to be predicated.
2056 let Defs = [CPSR], Uses = [CPSR] in {
2057 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2058 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2059 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2066 let Inst{15-12} = Rd;
2067 let Inst{19-16} = Rn;
2068 let Inst{11-0} = imm;
2070 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2071 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2072 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2079 let Inst{11-0} = shift;
2080 let Inst{15-12} = Rd;
2081 let Inst{19-16} = Rn;
2085 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2086 // The assume-no-carry-in form uses the negation of the input since add/sub
2087 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2088 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2090 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2091 (SUBri GPR:$src, so_imm_neg:$imm)>;
2092 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2093 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2094 // The with-carry-in form matches bitwise not instead of the negation.
2095 // Effectively, the inverse interpretation of the carry flag already accounts
2096 // for part of the negation.
2097 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2098 (SBCri GPR:$src, so_imm_not:$imm)>;
2100 // Note: These are implemented in C++ code, because they have to generate
2101 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2103 // (mul X, 2^n+1) -> (add (X << n), X)
2104 // (mul X, 2^n-1) -> (rsb X, (X << n))
2106 // ARM Arithmetic Instruction -- for disassembly only
2107 // GPR:$dst = GPR:$a op GPR:$b
2108 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2109 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2110 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2111 opc, "\t$Rd, $Rn, $Rm", pattern> {
2115 let Inst{27-20} = op27_20;
2116 let Inst{11-4} = op11_4;
2117 let Inst{19-16} = Rn;
2118 let Inst{15-12} = Rd;
2122 // Saturating add/subtract -- for disassembly only
2124 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2125 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2126 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2127 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2128 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2129 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2131 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2132 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2133 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2134 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2135 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2136 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2137 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2138 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2139 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2140 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2141 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2142 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2144 // Signed/Unsigned add/subtract -- for disassembly only
2146 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2147 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2148 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2149 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2150 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2151 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2152 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2153 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2154 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2155 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2156 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2157 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2159 // Signed/Unsigned halving add/subtract -- for disassembly only
2161 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2162 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2163 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2164 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2165 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2166 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2167 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2168 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2169 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2170 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2171 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2172 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2174 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2176 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2177 MulFrm /* for convenience */, NoItinerary, "usad8",
2178 "\t$Rd, $Rn, $Rm", []>,
2179 Requires<[IsARM, HasV6]> {
2183 let Inst{27-20} = 0b01111000;
2184 let Inst{15-12} = 0b1111;
2185 let Inst{7-4} = 0b0001;
2186 let Inst{19-16} = Rd;
2187 let Inst{11-8} = Rm;
2190 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2191 MulFrm /* for convenience */, NoItinerary, "usada8",
2192 "\t$Rd, $Rn, $Rm, $Ra", []>,
2193 Requires<[IsARM, HasV6]> {
2198 let Inst{27-20} = 0b01111000;
2199 let Inst{7-4} = 0b0001;
2200 let Inst{19-16} = Rd;
2201 let Inst{15-12} = Ra;
2202 let Inst{11-8} = Rm;
2206 // Signed/Unsigned saturate -- for disassembly only
2208 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2209 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2210 [/* For disassembly only; pattern left blank */]> {
2215 let Inst{27-21} = 0b0110101;
2216 let Inst{5-4} = 0b01;
2217 let Inst{20-16} = sat_imm;
2218 let Inst{15-12} = Rd;
2219 let Inst{11-7} = sh{7-3};
2220 let Inst{6} = sh{0};
2224 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2225 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2226 [/* For disassembly only; pattern left blank */]> {
2230 let Inst{27-20} = 0b01101010;
2231 let Inst{11-4} = 0b11110011;
2232 let Inst{15-12} = Rd;
2233 let Inst{19-16} = sat_imm;
2237 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2238 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2239 [/* For disassembly only; pattern left blank */]> {
2244 let Inst{27-21} = 0b0110111;
2245 let Inst{5-4} = 0b01;
2246 let Inst{15-12} = Rd;
2247 let Inst{11-7} = sh{7-3};
2248 let Inst{6} = sh{0};
2249 let Inst{20-16} = sat_imm;
2253 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2254 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2255 [/* For disassembly only; pattern left blank */]> {
2259 let Inst{27-20} = 0b01101110;
2260 let Inst{11-4} = 0b11110011;
2261 let Inst{15-12} = Rd;
2262 let Inst{19-16} = sat_imm;
2266 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2267 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2269 //===----------------------------------------------------------------------===//
2270 // Bitwise Instructions.
2273 defm AND : AsI1_bin_irs<0b0000, "and",
2274 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2275 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2276 defm ORR : AsI1_bin_irs<0b1100, "orr",
2277 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2278 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2279 defm EOR : AsI1_bin_irs<0b0001, "eor",
2280 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2281 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2282 defm BIC : AsI1_bin_irs<0b1110, "bic",
2283 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2284 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2286 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2287 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2288 "bfc", "\t$Rd, $imm", "$src = $Rd",
2289 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2290 Requires<[IsARM, HasV6T2]> {
2293 let Inst{27-21} = 0b0111110;
2294 let Inst{6-0} = 0b0011111;
2295 let Inst{15-12} = Rd;
2296 let Inst{11-7} = imm{4-0}; // lsb
2297 let Inst{20-16} = imm{9-5}; // width
2300 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2301 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2302 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2303 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2304 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2305 bf_inv_mask_imm:$imm))]>,
2306 Requires<[IsARM, HasV6T2]> {
2310 let Inst{27-21} = 0b0111110;
2311 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2312 let Inst{15-12} = Rd;
2313 let Inst{11-7} = imm{4-0}; // lsb
2314 let Inst{20-16} = imm{9-5}; // width
2318 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2319 "mvn", "\t$Rd, $Rm",
2320 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2324 let Inst{19-16} = 0b0000;
2325 let Inst{11-4} = 0b00000000;
2326 let Inst{15-12} = Rd;
2329 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2330 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2331 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2336 let Inst{19-16} = 0b0000;
2337 let Inst{15-12} = Rd;
2338 let Inst{11-0} = shift;
2340 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2341 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2342 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2343 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2348 let Inst{19-16} = 0b0000;
2349 let Inst{15-12} = Rd;
2350 let Inst{11-0} = imm;
2353 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2354 (BICri GPR:$src, so_imm_not:$imm)>;
2356 //===----------------------------------------------------------------------===//
2357 // Multiply Instructions.
2359 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2360 string opc, string asm, list<dag> pattern>
2361 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2365 let Inst{19-16} = Rd;
2366 let Inst{11-8} = Rm;
2369 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2370 string opc, string asm, list<dag> pattern>
2371 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2376 let Inst{19-16} = RdHi;
2377 let Inst{15-12} = RdLo;
2378 let Inst{11-8} = Rm;
2382 let isCommutable = 1 in
2383 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2384 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2385 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2387 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2388 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2389 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2391 let Inst{15-12} = Ra;
2394 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2395 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2396 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2397 Requires<[IsARM, HasV6T2]> {
2401 let Inst{19-16} = Rd;
2402 let Inst{11-8} = Rm;
2406 // Extra precision multiplies with low / high results
2408 let neverHasSideEffects = 1 in {
2409 let isCommutable = 1 in {
2410 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2411 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2412 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2414 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2415 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2416 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2419 // Multiply + accumulate
2420 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2421 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2422 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2424 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2425 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2426 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2428 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2429 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2430 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2431 Requires<[IsARM, HasV6]> {
2436 let Inst{19-16} = RdLo;
2437 let Inst{15-12} = RdHi;
2438 let Inst{11-8} = Rm;
2441 } // neverHasSideEffects
2443 // Most significant word multiply
2444 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2445 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2446 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2447 Requires<[IsARM, HasV6]> {
2448 let Inst{15-12} = 0b1111;
2451 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2452 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2453 [/* For disassembly only; pattern left blank */]>,
2454 Requires<[IsARM, HasV6]> {
2455 let Inst{15-12} = 0b1111;
2458 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2459 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2460 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2461 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2462 Requires<[IsARM, HasV6]>;
2464 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2465 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2466 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2467 [/* For disassembly only; pattern left blank */]>,
2468 Requires<[IsARM, HasV6]>;
2470 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2471 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2472 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2473 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2474 Requires<[IsARM, HasV6]>;
2476 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2477 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2478 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2479 [/* For disassembly only; pattern left blank */]>,
2480 Requires<[IsARM, HasV6]>;
2482 multiclass AI_smul<string opc, PatFrag opnode> {
2483 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2484 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2485 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2486 (sext_inreg GPR:$Rm, i16)))]>,
2487 Requires<[IsARM, HasV5TE]>;
2489 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2490 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2491 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2492 (sra GPR:$Rm, (i32 16))))]>,
2493 Requires<[IsARM, HasV5TE]>;
2495 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2496 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2497 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2498 (sext_inreg GPR:$Rm, i16)))]>,
2499 Requires<[IsARM, HasV5TE]>;
2501 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2502 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2503 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2504 (sra GPR:$Rm, (i32 16))))]>,
2505 Requires<[IsARM, HasV5TE]>;
2507 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2508 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2509 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2510 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2511 Requires<[IsARM, HasV5TE]>;
2513 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2514 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2515 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2516 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2517 Requires<[IsARM, HasV5TE]>;
2521 multiclass AI_smla<string opc, PatFrag opnode> {
2522 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2523 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2524 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2525 [(set GPR:$Rd, (add GPR:$Ra,
2526 (opnode (sext_inreg GPR:$Rn, i16),
2527 (sext_inreg GPR:$Rm, i16))))]>,
2528 Requires<[IsARM, HasV5TE]>;
2530 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2531 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2532 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2533 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2534 (sra GPR:$Rm, (i32 16)))))]>,
2535 Requires<[IsARM, HasV5TE]>;
2537 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2538 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2539 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2540 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2541 (sext_inreg GPR:$Rm, i16))))]>,
2542 Requires<[IsARM, HasV5TE]>;
2544 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2545 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2546 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2547 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2548 (sra GPR:$Rm, (i32 16)))))]>,
2549 Requires<[IsARM, HasV5TE]>;
2551 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2552 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2553 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2554 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2555 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2556 Requires<[IsARM, HasV5TE]>;
2558 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2559 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2560 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2561 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2562 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2563 Requires<[IsARM, HasV5TE]>;
2566 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2567 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2569 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2570 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2571 (ins GPR:$Rn, GPR:$Rm),
2572 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2573 [/* For disassembly only; pattern left blank */]>,
2574 Requires<[IsARM, HasV5TE]>;
2576 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2577 (ins GPR:$Rn, GPR:$Rm),
2578 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2579 [/* For disassembly only; pattern left blank */]>,
2580 Requires<[IsARM, HasV5TE]>;
2582 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2583 (ins GPR:$Rn, GPR:$Rm),
2584 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2585 [/* For disassembly only; pattern left blank */]>,
2586 Requires<[IsARM, HasV5TE]>;
2588 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2589 (ins GPR:$Rn, GPR:$Rm),
2590 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2591 [/* For disassembly only; pattern left blank */]>,
2592 Requires<[IsARM, HasV5TE]>;
2594 // Helper class for AI_smld -- for disassembly only
2595 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2596 InstrItinClass itin, string opc, string asm>
2597 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2604 let Inst{21-20} = 0b00;
2605 let Inst{22} = long;
2606 let Inst{27-23} = 0b01110;
2607 let Inst{11-8} = Rm;
2610 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2611 InstrItinClass itin, string opc, string asm>
2612 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2614 let Inst{15-12} = 0b1111;
2615 let Inst{19-16} = Rd;
2617 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2618 InstrItinClass itin, string opc, string asm>
2619 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2621 let Inst{15-12} = Ra;
2623 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2624 InstrItinClass itin, string opc, string asm>
2625 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2628 let Inst{19-16} = RdHi;
2629 let Inst{15-12} = RdLo;
2632 multiclass AI_smld<bit sub, string opc> {
2634 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2635 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2637 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2638 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2640 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2641 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2642 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2644 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2645 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2646 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2650 defm SMLA : AI_smld<0, "smla">;
2651 defm SMLS : AI_smld<1, "smls">;
2653 multiclass AI_sdml<bit sub, string opc> {
2655 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2656 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2657 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2658 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2661 defm SMUA : AI_sdml<0, "smua">;
2662 defm SMUS : AI_sdml<1, "smus">;
2664 //===----------------------------------------------------------------------===//
2665 // Misc. Arithmetic Instructions.
2668 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2669 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2670 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2672 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2673 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2674 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2675 Requires<[IsARM, HasV6T2]>;
2677 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2678 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2679 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2681 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2682 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2684 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2685 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2686 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2687 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2688 Requires<[IsARM, HasV6]>;
2690 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2691 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2694 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2695 (shl GPR:$Rm, (i32 8))), i16))]>,
2696 Requires<[IsARM, HasV6]>;
2698 def lsl_shift_imm : SDNodeXForm<imm, [{
2699 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2700 return CurDAG->getTargetConstant(Sh, MVT::i32);
2703 def lsl_amt : PatLeaf<(i32 imm), [{
2704 return (N->getZExtValue() < 32);
2707 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2708 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2709 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2710 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2711 (and (shl GPR:$Rm, lsl_amt:$sh),
2713 Requires<[IsARM, HasV6]>;
2715 // Alternate cases for PKHBT where identities eliminate some nodes.
2716 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2717 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2718 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2719 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2721 def asr_shift_imm : SDNodeXForm<imm, [{
2722 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2723 return CurDAG->getTargetConstant(Sh, MVT::i32);
2726 def asr_amt : PatLeaf<(i32 imm), [{
2727 return (N->getZExtValue() <= 32);
2730 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2731 // will match the pattern below.
2732 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2733 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2734 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2735 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2736 (and (sra GPR:$Rm, asr_amt:$sh),
2738 Requires<[IsARM, HasV6]>;
2740 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2741 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2742 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2743 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2744 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2745 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2746 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2748 //===----------------------------------------------------------------------===//
2749 // Comparison Instructions...
2752 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2753 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2754 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2756 // FIXME: We have to be careful when using the CMN instruction and comparison
2757 // with 0. One would expect these two pieces of code should give identical
2773 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2774 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2775 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2776 // value of r0 and the carry bit (because the "carry bit" parameter to
2777 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2778 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2779 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2780 // parameter to AddWithCarry is defined as 0).
2782 // When x is 0 and unsigned:
2786 // ~x + 1 = 0x1 0000 0000
2787 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2789 // Therefore, we should disable CMN when comparing against zero, until we can
2790 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2791 // when it's a comparison which doesn't look at the 'carry' flag).
2793 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2795 // This is related to <rdar://problem/7569620>.
2797 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2798 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2800 // Note that TST/TEQ don't set all the same flags that CMP does!
2801 defm TST : AI1_cmp_irs<0b1000, "tst",
2802 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2803 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2804 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2805 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2806 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2808 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2809 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2810 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2811 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2812 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2813 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2815 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2816 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2818 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2819 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2821 // Pseudo i64 compares for some floating point compares.
2822 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2824 def BCCi64 : PseudoInst<(outs),
2825 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2827 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2829 def BCCZi64 : PseudoInst<(outs),
2830 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2831 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2832 } // usesCustomInserter
2835 // Conditional moves
2836 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2837 // a two-value operand where a dag node expects two operands. :(
2838 // FIXME: These should all be pseudo-instructions that get expanded to
2839 // the normal MOV instructions. That would fix the dependency on
2840 // special casing them in tblgen.
2841 let neverHasSideEffects = 1 in {
2842 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2843 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2844 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2845 RegConstraint<"$false = $Rd">, UnaryDP {
2850 let Inst{15-12} = Rd;
2851 let Inst{11-4} = 0b00000000;
2855 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2856 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2857 "mov", "\t$Rd, $shift",
2858 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2859 RegConstraint<"$false = $Rd">, UnaryDP {
2865 let Inst{19-16} = Rn;
2866 let Inst{15-12} = Rd;
2867 let Inst{11-0} = shift;
2870 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
2872 "movw", "\t$Rd, $imm",
2874 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
2880 let Inst{19-16} = imm{15-12};
2881 let Inst{15-12} = Rd;
2882 let Inst{11-0} = imm{11-0};
2885 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
2886 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2887 "mov", "\t$Rd, $imm",
2888 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
2889 RegConstraint<"$false = $Rd">, UnaryDP {
2894 let Inst{19-16} = 0b0000;
2895 let Inst{15-12} = Rd;
2896 let Inst{11-0} = imm;
2898 } // neverHasSideEffects
2900 //===----------------------------------------------------------------------===//
2901 // Atomic operations intrinsics
2904 def memb_opt : Operand<i32> {
2905 let PrintMethod = "printMemBOption";
2908 // memory barriers protect the atomic sequences
2909 let hasSideEffects = 1 in {
2910 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2911 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
2912 Requires<[IsARM, HasDB]> {
2914 let Inst{31-4} = 0xf57ff05;
2915 let Inst{3-0} = opt;
2918 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2919 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2920 [(ARMMemBarrierMCR GPR:$zero)]>,
2921 Requires<[IsARM, HasV6]> {
2922 // FIXME: add encoding
2926 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2928 [/* For disassembly only; pattern left blank */]>,
2929 Requires<[IsARM, HasDB]> {
2931 let Inst{31-4} = 0xf57ff04;
2932 let Inst{3-0} = opt;
2935 // ISB has only full system option -- for disassembly only
2936 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2937 Requires<[IsARM, HasDB]> {
2938 let Inst{31-4} = 0xf57ff06;
2939 let Inst{3-0} = 0b1111;
2942 let usesCustomInserter = 1 in {
2943 let Uses = [CPSR] in {
2944 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2945 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2946 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2947 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2948 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2949 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2950 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2951 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2952 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2953 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2954 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2955 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2956 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2957 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2958 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2959 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2960 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2961 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2962 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2963 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2964 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2965 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2966 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2967 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2968 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2969 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2970 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2971 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2972 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2973 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2974 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2975 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2976 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2977 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2978 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2979 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2980 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2981 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2982 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2983 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2984 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2985 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2986 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2987 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2988 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
2989 def ATOMIC_LOAD_OR_I32 : PseudoInst<
2990 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2991 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
2992 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
2993 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2994 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
2995 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
2996 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2997 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
2999 def ATOMIC_SWAP_I8 : PseudoInst<
3000 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3001 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3002 def ATOMIC_SWAP_I16 : PseudoInst<
3003 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3004 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3005 def ATOMIC_SWAP_I32 : PseudoInst<
3006 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3007 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3009 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3010 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3011 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3012 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3013 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3014 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3015 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3016 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3017 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3021 let mayLoad = 1 in {
3022 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3023 "ldrexb", "\t$Rt, [$Rn]",
3025 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3026 "ldrexh", "\t$Rt, [$Rn]",
3028 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3029 "ldrex", "\t$Rt, [$Rn]",
3031 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3033 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3037 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3038 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3040 "strexb", "\t$Rd, $src, [$Rn]",
3042 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3044 "strexh", "\t$Rd, $Rt, [$Rn]",
3046 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3048 "strex", "\t$Rd, $Rt, [$Rn]",
3050 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3051 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3053 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3057 // Clear-Exclusive is for disassembly only.
3058 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3059 [/* For disassembly only; pattern left blank */]>,
3060 Requires<[IsARM, HasV7]> {
3061 let Inst{31-0} = 0b11110101011111111111000000011111;
3064 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3065 let mayLoad = 1 in {
3066 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3067 [/* For disassembly only; pattern left blank */]>;
3068 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3069 [/* For disassembly only; pattern left blank */]>;
3072 //===----------------------------------------------------------------------===//
3076 // __aeabi_read_tp preserves the registers r1-r3.
3077 // FIXME: This needs to be a pseudo of some sort so that we can get the
3078 // encoding right, complete with fixup for the aeabi_read_tp function.
3080 Defs = [R0, R12, LR, CPSR] in {
3081 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3082 "bl\t__aeabi_read_tp",
3083 [(set R0, ARMthread_pointer)]>;
3086 //===----------------------------------------------------------------------===//
3087 // SJLJ Exception handling intrinsics
3088 // eh_sjlj_setjmp() is an instruction sequence to store the return
3089 // address and save #0 in R0 for the non-longjmp case.
3090 // Since by its nature we may be coming from some other function to get
3091 // here, and we're using the stack frame for the containing function to
3092 // save/restore registers, we can't keep anything live in regs across
3093 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3094 // when we get here from a longjmp(). We force everthing out of registers
3095 // except for our own input by listing the relevant registers in Defs. By
3096 // doing so, we also cause the prologue/epilogue code to actively preserve
3097 // all of the callee-saved resgisters, which is exactly what we want.
3098 // A constant value is passed in $val, and we use the location as a scratch.
3100 // These are pseudo-instructions and are lowered to individual MC-insts, so
3101 // no encoding information is necessary.
3103 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3104 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3105 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3106 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3107 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3108 AddrModeNone, SizeSpecial, IndexModeNone,
3109 Pseudo, NoItinerary, "", "",
3110 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3111 Requires<[IsARM, HasVFP2]>;
3115 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3116 hasSideEffects = 1, isBarrier = 1 in {
3117 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3118 AddrModeNone, SizeSpecial, IndexModeNone,
3119 Pseudo, NoItinerary, "", "",
3120 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3121 Requires<[IsARM, NoVFP]>;
3124 // FIXME: Non-Darwin version(s)
3125 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3126 Defs = [ R7, LR, SP ] in {
3127 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3128 AddrModeNone, SizeSpecial, IndexModeNone,
3129 Pseudo, NoItinerary, "", "",
3130 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3131 Requires<[IsARM, IsDarwin]>;
3134 // eh.sjlj.dispatchsetup pseudo-instruction.
3135 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3136 // handled when the pseudo is expanded (which happens before any passes
3137 // that need the instruction size).
3138 let isBarrier = 1, hasSideEffects = 1 in
3139 def Int_eh_sjlj_dispatchsetup :
3140 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3141 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3142 Requires<[IsDarwin]>;
3144 //===----------------------------------------------------------------------===//
3145 // Non-Instruction Patterns
3148 // Large immediate handling.
3150 // Two piece so_imms.
3151 // FIXME: Remove this when we can do generalized remat.
3152 let isReMaterializable = 1 in
3153 def MOVi2pieces : PseudoInst<(outs GPR:$dst), (ins so_imm2part:$src),
3155 [(set GPR:$dst, (so_imm2part:$src))]>,
3156 Requires<[IsARM, NoV6T2]>;
3158 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3159 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3160 (so_imm2part_2 imm:$RHS))>;
3161 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3162 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3163 (so_imm2part_2 imm:$RHS))>;
3164 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3165 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3166 (so_imm2part_2 imm:$RHS))>;
3167 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3168 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3169 (so_neg_imm2part_2 imm:$RHS))>;
3171 // 32-bit immediate using movw + movt.
3172 // This is a single pseudo instruction, the benefit is that it can be remat'd
3173 // as a single unit instead of having to handle reg inputs.
3174 // FIXME: Remove this when we can do generalized remat.
3175 let isReMaterializable = 1 in
3176 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3177 [(set GPR:$dst, (i32 imm:$src))]>,
3178 Requires<[IsARM, HasV6T2]>;
3180 // ConstantPool, GlobalAddress, and JumpTable
3181 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3182 Requires<[IsARM, DontUseMovt]>;
3183 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3184 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3185 Requires<[IsARM, UseMovt]>;
3186 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3187 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3189 // TODO: add,sub,and, 3-instr forms?
3192 def : ARMPat<(ARMtcret tcGPR:$dst),
3193 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3195 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3196 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3198 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3199 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3201 def : ARMPat<(ARMtcret tcGPR:$dst),
3202 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3204 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3205 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3207 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3208 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3211 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3212 Requires<[IsARM, IsNotDarwin]>;
3213 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3214 Requires<[IsARM, IsDarwin]>;
3216 // zextload i1 -> zextload i8
3217 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3218 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3220 // extload -> zextload
3221 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3222 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3223 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3224 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3226 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3228 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3229 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3232 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3233 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3234 (SMULBB GPR:$a, GPR:$b)>;
3235 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3236 (SMULBB GPR:$a, GPR:$b)>;
3237 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3238 (sra GPR:$b, (i32 16))),
3239 (SMULBT GPR:$a, GPR:$b)>;
3240 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3241 (SMULBT GPR:$a, GPR:$b)>;
3242 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3243 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3244 (SMULTB GPR:$a, GPR:$b)>;
3245 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3246 (SMULTB GPR:$a, GPR:$b)>;
3247 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3249 (SMULWB GPR:$a, GPR:$b)>;
3250 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3251 (SMULWB GPR:$a, GPR:$b)>;
3253 def : ARMV5TEPat<(add GPR:$acc,
3254 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3255 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3256 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3257 def : ARMV5TEPat<(add GPR:$acc,
3258 (mul sext_16_node:$a, sext_16_node:$b)),
3259 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3260 def : ARMV5TEPat<(add GPR:$acc,
3261 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3262 (sra GPR:$b, (i32 16)))),
3263 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3264 def : ARMV5TEPat<(add GPR:$acc,
3265 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3266 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3267 def : ARMV5TEPat<(add GPR:$acc,
3268 (mul (sra GPR:$a, (i32 16)),
3269 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3270 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3271 def : ARMV5TEPat<(add GPR:$acc,
3272 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3273 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3274 def : ARMV5TEPat<(add GPR:$acc,
3275 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3277 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3278 def : ARMV5TEPat<(add GPR:$acc,
3279 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3280 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3282 //===----------------------------------------------------------------------===//
3286 include "ARMInstrThumb.td"
3288 //===----------------------------------------------------------------------===//
3292 include "ARMInstrThumb2.td"
3294 //===----------------------------------------------------------------------===//
3295 // Floating Point Support
3298 include "ARMInstrVFP.td"
3300 //===----------------------------------------------------------------------===//
3301 // Advanced SIMD (NEON) Support
3304 include "ARMInstrNEON.td"
3306 //===----------------------------------------------------------------------===//
3307 // Coprocessor Instructions. For disassembly only.
3310 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3311 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3312 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3313 [/* For disassembly only; pattern left blank */]> {
3317 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3318 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3319 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3320 [/* For disassembly only; pattern left blank */]> {
3321 let Inst{31-28} = 0b1111;
3325 class ACI<dag oops, dag iops, string opc, string asm>
3326 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3327 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3328 let Inst{27-25} = 0b110;
3331 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3333 def _OFFSET : ACI<(outs),
3334 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3335 opc, "\tp$cop, cr$CRd, $addr"> {
3336 let Inst{31-28} = op31_28;
3337 let Inst{24} = 1; // P = 1
3338 let Inst{21} = 0; // W = 0
3339 let Inst{22} = 0; // D = 0
3340 let Inst{20} = load;
3343 def _PRE : ACI<(outs),
3344 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3345 opc, "\tp$cop, cr$CRd, $addr!"> {
3346 let Inst{31-28} = op31_28;
3347 let Inst{24} = 1; // P = 1
3348 let Inst{21} = 1; // W = 1
3349 let Inst{22} = 0; // D = 0
3350 let Inst{20} = load;
3353 def _POST : ACI<(outs),
3354 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3355 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3356 let Inst{31-28} = op31_28;
3357 let Inst{24} = 0; // P = 0
3358 let Inst{21} = 1; // W = 1
3359 let Inst{22} = 0; // D = 0
3360 let Inst{20} = load;
3363 def _OPTION : ACI<(outs),
3364 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3365 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3366 let Inst{31-28} = op31_28;
3367 let Inst{24} = 0; // P = 0
3368 let Inst{23} = 1; // U = 1
3369 let Inst{21} = 0; // W = 0
3370 let Inst{22} = 0; // D = 0
3371 let Inst{20} = load;
3374 def L_OFFSET : ACI<(outs),
3375 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3376 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3377 let Inst{31-28} = op31_28;
3378 let Inst{24} = 1; // P = 1
3379 let Inst{21} = 0; // W = 0
3380 let Inst{22} = 1; // D = 1
3381 let Inst{20} = load;
3384 def L_PRE : ACI<(outs),
3385 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3386 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3387 let Inst{31-28} = op31_28;
3388 let Inst{24} = 1; // P = 1
3389 let Inst{21} = 1; // W = 1
3390 let Inst{22} = 1; // D = 1
3391 let Inst{20} = load;
3394 def L_POST : ACI<(outs),
3395 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3396 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3397 let Inst{31-28} = op31_28;
3398 let Inst{24} = 0; // P = 0
3399 let Inst{21} = 1; // W = 1
3400 let Inst{22} = 1; // D = 1
3401 let Inst{20} = load;
3404 def L_OPTION : ACI<(outs),
3405 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3406 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3407 let Inst{31-28} = op31_28;
3408 let Inst{24} = 0; // P = 0
3409 let Inst{23} = 1; // U = 1
3410 let Inst{21} = 0; // W = 0
3411 let Inst{22} = 1; // D = 1
3412 let Inst{20} = load;
3416 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3417 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3418 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3419 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3421 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3422 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3423 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3424 [/* For disassembly only; pattern left blank */]> {
3429 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3430 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3431 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3432 [/* For disassembly only; pattern left blank */]> {
3433 let Inst{31-28} = 0b1111;
3438 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3439 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3440 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3441 [/* For disassembly only; pattern left blank */]> {
3446 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3447 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3448 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3449 [/* For disassembly only; pattern left blank */]> {
3450 let Inst{31-28} = 0b1111;
3455 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3456 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3457 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3458 [/* For disassembly only; pattern left blank */]> {
3459 let Inst{23-20} = 0b0100;
3462 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3463 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3464 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3465 [/* For disassembly only; pattern left blank */]> {
3466 let Inst{31-28} = 0b1111;
3467 let Inst{23-20} = 0b0100;
3470 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3471 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3472 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3473 [/* For disassembly only; pattern left blank */]> {
3474 let Inst{23-20} = 0b0101;
3477 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3478 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3479 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3480 [/* For disassembly only; pattern left blank */]> {
3481 let Inst{31-28} = 0b1111;
3482 let Inst{23-20} = 0b0101;
3485 //===----------------------------------------------------------------------===//
3486 // Move between special register and ARM core register -- for disassembly only
3489 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3490 [/* For disassembly only; pattern left blank */]> {
3491 let Inst{23-20} = 0b0000;
3492 let Inst{7-4} = 0b0000;
3495 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3496 [/* For disassembly only; pattern left blank */]> {
3497 let Inst{23-20} = 0b0100;
3498 let Inst{7-4} = 0b0000;
3501 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3502 "msr", "\tcpsr$mask, $src",
3503 [/* For disassembly only; pattern left blank */]> {
3504 let Inst{23-20} = 0b0010;
3505 let Inst{7-4} = 0b0000;
3508 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3509 "msr", "\tcpsr$mask, $a",
3510 [/* For disassembly only; pattern left blank */]> {
3511 let Inst{23-20} = 0b0010;
3512 let Inst{7-4} = 0b0000;
3515 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3516 "msr", "\tspsr$mask, $src",
3517 [/* For disassembly only; pattern left blank */]> {
3518 let Inst{23-20} = 0b0110;
3519 let Inst{7-4} = 0b0000;
3522 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3523 "msr", "\tspsr$mask, $a",
3524 [/* For disassembly only; pattern left blank */]> {
3525 let Inst{23-20} = 0b0110;
3526 let Inst{7-4} = 0b0000;