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!, $dsts",
1188 let Inst{31-28} = p;
1192 // On non-Darwin platforms R9 is callee-saved.
1194 Defs = [R0, R1, R2, R3, R12, LR,
1195 D0, D1, D2, D3, D4, D5, D6, D7,
1196 D16, D17, D18, D19, D20, D21, D22, D23,
1197 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1198 def BL : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1199 IIC_Br, "bl\t$func",
1200 [(ARMcall tglobaladdr:$func)]>,
1201 Requires<[IsARM, IsNotDarwin]> {
1202 let Inst{31-28} = 0b1110;
1203 // FIXME: Encoding info for $func. Needs fixups bits.
1206 def BL_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1207 IIC_Br, "bl", "\t$func",
1208 [(ARMcall_pred tglobaladdr:$func)]>,
1209 Requires<[IsARM, IsNotDarwin]>;
1212 def BLX : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1213 IIC_Br, "blx\t$func",
1214 [(ARMcall GPR:$func)]>,
1215 Requires<[IsARM, HasV5T, IsNotDarwin]> {
1217 let Inst{27-4} = 0b000100101111111111110011;
1218 let Inst{3-0} = func;
1222 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1223 def BX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1224 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1225 [(ARMcall_nolink tGPR:$func)]>,
1226 Requires<[IsARM, HasV4T, IsNotDarwin]> {
1228 let Inst{27-4} = 0b000100101111111111110001;
1229 let Inst{3-0} = func;
1233 def BMOVPCRX : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1234 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1235 [(ARMcall_nolink tGPR:$func)]>,
1236 Requires<[IsARM, NoV4T, IsNotDarwin]> {
1238 let Inst{27-4} = 0b000110100000111100000000;
1239 let Inst{3-0} = func;
1243 // On Darwin R9 is call-clobbered.
1245 Defs = [R0, R1, R2, R3, R9, R12, LR,
1246 D0, D1, D2, D3, D4, D5, D6, D7,
1247 D16, D17, D18, D19, D20, D21, D22, D23,
1248 D24, D25, D26, D27, D28, D29, D30, D31, CPSR, FPSCR] in {
1249 def BLr9 : ABXI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1250 IIC_Br, "bl\t$func",
1251 [(ARMcall tglobaladdr:$func)]>, Requires<[IsARM, IsDarwin]> {
1252 let Inst{31-28} = 0b1110;
1253 // FIXME: Encoding info for $func. Needs fixups bits.
1256 def BLr9_pred : ABI<0b1011, (outs), (ins i32imm:$func, variable_ops),
1257 IIC_Br, "bl", "\t$func",
1258 [(ARMcall_pred tglobaladdr:$func)]>,
1259 Requires<[IsARM, IsDarwin]>;
1262 def BLXr9 : AXI<(outs), (ins GPR:$func, variable_ops), BrMiscFrm,
1263 IIC_Br, "blx\t$func",
1264 [(ARMcall GPR:$func)]>, Requires<[IsARM, HasV5T, IsDarwin]> {
1266 let Inst{27-4} = 0b000100101111111111110011;
1267 let Inst{3-0} = func;
1271 // Note: Restrict $func to the tGPR regclass to prevent it being in LR.
1272 def BXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1273 IIC_Br, "mov\tlr, pc\n\tbx\t$func",
1274 [(ARMcall_nolink tGPR:$func)]>,
1275 Requires<[IsARM, HasV4T, IsDarwin]> {
1277 let Inst{27-4} = 0b000100101111111111110001;
1278 let Inst{3-0} = func;
1282 def BMOVPCRXr9 : ABXIx2<(outs), (ins tGPR:$func, variable_ops),
1283 IIC_Br, "mov\tlr, pc\n\tmov\tpc, $func",
1284 [(ARMcall_nolink tGPR:$func)]>,
1285 Requires<[IsARM, NoV4T, IsDarwin]> {
1287 let Inst{27-4} = 0b000110100000111100000000;
1288 let Inst{3-0} = func;
1294 // FIXME: These should probably be xformed into the non-TC versions of the
1295 // instructions as part of MC lowering.
1296 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1298 let Defs = [R0, R1, R2, R3, R9, R12,
1299 D0, D1, D2, D3, D4, D5, D6, D7,
1300 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1301 D27, D28, D29, D30, D31, PC],
1303 def TCRETURNdi : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1305 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1307 def TCRETURNri : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1309 "@TC_RETURN","\t$dst", []>, Requires<[IsDarwin]>;
1311 def TAILJMPd : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1312 IIC_Br, "b\t$dst @ TAILCALL",
1313 []>, Requires<[IsDarwin]>;
1315 def TAILJMPdt: ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1316 IIC_Br, "b.w\t$dst @ TAILCALL",
1317 []>, Requires<[IsDarwin]>;
1319 def TAILJMPr : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1320 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1321 []>, Requires<[IsDarwin]> {
1323 let Inst{31-4} = 0b1110000100101111111111110001;
1324 let Inst{3-0} = dst;
1328 // Non-Darwin versions (the difference is R9).
1329 let Defs = [R0, R1, R2, R3, R12,
1330 D0, D1, D2, D3, D4, D5, D6, D7,
1331 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26,
1332 D27, D28, D29, D30, D31, PC],
1334 def TCRETURNdiND : AInoP<(outs), (ins i32imm:$dst, variable_ops),
1336 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1338 def TCRETURNriND : AInoP<(outs), (ins tcGPR:$dst, variable_ops),
1340 "@TC_RETURN","\t$dst", []>, Requires<[IsNotDarwin]>;
1342 def TAILJMPdND : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1343 IIC_Br, "b\t$dst @ TAILCALL",
1344 []>, Requires<[IsARM, IsNotDarwin]>;
1346 def TAILJMPdNDt : ABXI<0b1010, (outs), (ins brtarget:$dst, variable_ops),
1347 IIC_Br, "b.w\t$dst @ TAILCALL",
1348 []>, Requires<[IsThumb, IsNotDarwin]>;
1350 def TAILJMPrND : AXI<(outs), (ins tcGPR:$dst, variable_ops),
1351 BrMiscFrm, IIC_Br, "bx\t$dst @ TAILCALL",
1352 []>, Requires<[IsNotDarwin]> {
1354 let Inst{31-4} = 0b1110000100101111111111110001;
1355 let Inst{3-0} = dst;
1360 let isBranch = 1, isTerminator = 1 in {
1361 // B is "predicable" since it can be xformed into a Bcc.
1362 let isBarrier = 1 in {
1363 let isPredicable = 1 in
1364 def B : ABXI<0b1010, (outs), (ins brtarget:$target), IIC_Br,
1365 "b\t$target", [(br bb:$target)]>;
1367 let isNotDuplicable = 1, isIndirectBranch = 1,
1368 // FIXME: $imm field is not specified by asm string. Mark as cgonly.
1369 isCodeGenOnly = 1 in {
1370 def BR_JTr : JTI<(outs), (ins GPR:$target, jtblock_operand:$jt, i32imm:$id),
1371 IIC_Br, "mov\tpc, $target$jt",
1372 [(ARMbrjt GPR:$target, tjumptable:$jt, imm:$id)]> {
1373 let Inst{11-4} = 0b00000000;
1374 let Inst{15-12} = 0b1111;
1375 let Inst{20} = 0; // S Bit
1376 let Inst{24-21} = 0b1101;
1377 let Inst{27-25} = 0b000;
1379 def BR_JTm : JTI<(outs),
1380 (ins addrmode2:$target, jtblock_operand:$jt, i32imm:$id),
1381 IIC_Br, "ldr\tpc, $target$jt",
1382 [(ARMbrjt (i32 (load addrmode2:$target)), tjumptable:$jt,
1384 let Inst{15-12} = 0b1111;
1385 let Inst{20} = 1; // L bit
1386 let Inst{21} = 0; // W bit
1387 let Inst{22} = 0; // B bit
1388 let Inst{24} = 1; // P bit
1389 let Inst{27-25} = 0b011;
1391 def BR_JTadd : JTI<(outs),
1392 (ins GPR:$target, GPR:$idx, jtblock_operand:$jt, i32imm:$id),
1393 IIC_Br, "add\tpc, $target, $idx$jt",
1394 [(ARMbrjt (add GPR:$target, GPR:$idx), tjumptable:$jt,
1396 let Inst{15-12} = 0b1111;
1397 let Inst{20} = 0; // S bit
1398 let Inst{24-21} = 0b0100;
1399 let Inst{27-25} = 0b000;
1401 } // isNotDuplicable = 1, isIndirectBranch = 1
1404 // FIXME: should be able to write a pattern for ARMBrcond, but can't use
1405 // a two-value operand where a dag node expects two operands. :(
1406 def Bcc : ABI<0b1010, (outs), (ins brtarget:$target),
1407 IIC_Br, "b", "\t$target",
1408 [/*(ARMbrcond bb:$target, imm:$cc, CCR:$ccr)*/]>;
1411 // Branch and Exchange Jazelle -- for disassembly only
1412 def BXJ : ABI<0b0001, (outs), (ins GPR:$func), NoItinerary, "bxj", "\t$func",
1413 [/* For disassembly only; pattern left blank */]> {
1414 let Inst{23-20} = 0b0010;
1415 //let Inst{19-8} = 0xfff;
1416 let Inst{7-4} = 0b0010;
1419 // Secure Monitor Call is a system instruction -- for disassembly only
1420 def SMC : ABI<0b0001, (outs), (ins i32imm:$opt), NoItinerary, "smc", "\t$opt",
1421 [/* For disassembly only; pattern left blank */]> {
1423 let Inst{23-4} = 0b01100000000000000111;
1424 let Inst{3-0} = opt;
1427 // Supervisor Call (Software Interrupt) -- for disassembly only
1429 def SVC : ABI<0b1111, (outs), (ins i32imm:$svc), IIC_Br, "svc", "\t$svc",
1430 [/* For disassembly only; pattern left blank */]> {
1432 let Inst{23-0} = svc;
1436 // Store Return State is a system instruction -- for disassembly only
1437 let isCodeGenOnly = 1 in { // FIXME: This should not use submode!
1438 def SRSW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1439 NoItinerary, "srs${amode}\tsp!, $mode",
1440 [/* For disassembly only; pattern left blank */]> {
1441 let Inst{31-28} = 0b1111;
1442 let Inst{22-20} = 0b110; // W = 1
1445 def SRS : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, i32imm:$mode),
1446 NoItinerary, "srs${amode}\tsp, $mode",
1447 [/* For disassembly only; pattern left blank */]> {
1448 let Inst{31-28} = 0b1111;
1449 let Inst{22-20} = 0b100; // W = 0
1452 // Return From Exception is a system instruction -- for disassembly only
1453 def RFEW : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1454 NoItinerary, "rfe${amode}\t$base!",
1455 [/* For disassembly only; pattern left blank */]> {
1456 let Inst{31-28} = 0b1111;
1457 let Inst{22-20} = 0b011; // W = 1
1460 def RFE : ABXI<{1,0,0,?}, (outs), (ins ldstm_mode:$amode, GPR:$base),
1461 NoItinerary, "rfe${amode}\t$base",
1462 [/* For disassembly only; pattern left blank */]> {
1463 let Inst{31-28} = 0b1111;
1464 let Inst{22-20} = 0b001; // W = 0
1466 } // isCodeGenOnly = 1
1468 //===----------------------------------------------------------------------===//
1469 // Load / store Instructions.
1475 defm LDR : AI_ldr1<0, "ldr", IIC_iLoad_r, IIC_iLoad_si,
1476 UnOpFrag<(load node:$Src)>>;
1477 defm LDRB : AI_ldr1<1, "ldrb", IIC_iLoad_bh_r, IIC_iLoad_bh_si,
1478 UnOpFrag<(zextloadi8 node:$Src)>>;
1479 defm STR : AI_str1<0, "str", IIC_iStore_r, IIC_iStore_si,
1480 BinOpFrag<(store node:$LHS, node:$RHS)>>;
1481 defm STRB : AI_str1<1, "strb", IIC_iStore_bh_r, IIC_iStore_bh_si,
1482 BinOpFrag<(truncstorei8 node:$LHS, node:$RHS)>>;
1484 // Special LDR for loads from non-pc-relative constpools.
1485 let canFoldAsLoad = 1, mayLoad = 1, neverHasSideEffects = 1,
1486 isReMaterializable = 1 in
1487 def LDRcp : AIldst1<0b010, 0, 1, (outs GPR:$Rt), (ins addrmode_imm12:$addr),
1488 AddrMode_i12, LdFrm, IIC_iLoad_r, "ldr", "\t$Rt, $addr", []> {
1491 let Inst{23} = addr{12}; // U (add = ('U' == 1))
1492 let Inst{19-16} = 0b1111;
1493 let Inst{15-12} = Rt;
1494 let Inst{11-0} = addr{11-0}; // imm12
1497 // Loads with zero extension
1498 def LDRH : AI3ldh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1499 IIC_iLoad_bh_r, "ldrh", "\t$dst, $addr",
1500 [(set GPR:$dst, (zextloadi16 addrmode3:$addr))]>;
1502 // Loads with sign extension
1503 def LDRSH : AI3ldsh<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1504 IIC_iLoad_bh_r, "ldrsh", "\t$dst, $addr",
1505 [(set GPR:$dst, (sextloadi16 addrmode3:$addr))]>;
1507 def LDRSB : AI3ldsb<(outs GPR:$dst), (ins addrmode3:$addr), LdMiscFrm,
1508 IIC_iLoad_bh_r, "ldrsb", "\t$dst, $addr",
1509 [(set GPR:$dst, (sextloadi8 addrmode3:$addr))]>;
1511 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1512 isCodeGenOnly = 1 in { // $dst2 doesn't exist in asmstring?
1514 def LDRD : AI3ldd<(outs GPR:$dst1, GPR:$dst2), (ins addrmode3:$addr), LdMiscFrm,
1515 IIC_iLoad_d_r, "ldrd", "\t$dst1, $addr",
1516 []>, Requires<[IsARM, HasV5TE]>;
1519 def LDR_PRE : AI2ldwpr<(outs GPR:$dst, GPR:$base_wb),
1520 (ins addrmode2:$addr), LdFrm, IIC_iLoad_ru,
1521 "ldr", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1523 def LDR_POST : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1524 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1525 "ldr", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1527 def LDRH_PRE : AI3ldhpr<(outs GPR:$dst, GPR:$base_wb),
1528 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1529 "ldrh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1531 def LDRH_POST : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1532 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1533 "ldrh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1535 def LDRB_PRE : AI2ldbpr<(outs GPR:$dst, GPR:$base_wb),
1536 (ins addrmode2:$addr), LdFrm, IIC_iLoad_bh_ru,
1537 "ldrb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1539 def LDRB_POST : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1540 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1541 "ldrb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1543 def LDRSH_PRE : AI3ldshpr<(outs GPR:$dst, GPR:$base_wb),
1544 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1545 "ldrsh", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1547 def LDRSH_POST: AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1548 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1549 "ldrsh", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1551 def LDRSB_PRE : AI3ldsbpr<(outs GPR:$dst, GPR:$base_wb),
1552 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_bh_ru,
1553 "ldrsb", "\t$dst, $addr!", "$addr.base = $base_wb", []>;
1555 def LDRSB_POST: AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1556 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_ru,
1557 "ldrsb", "\t$dst, [$base], $offset", "$base = $base_wb", []>;
1559 // For disassembly only
1560 def LDRD_PRE : AI3lddpr<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1561 (ins addrmode3:$addr), LdMiscFrm, IIC_iLoad_d_ru,
1562 "ldrd", "\t$dst1, $dst2, $addr!", "$addr.base = $base_wb", []>,
1563 Requires<[IsARM, HasV5TE]>;
1565 // For disassembly only
1566 def LDRD_POST : AI3lddpo<(outs GPR:$dst1, GPR:$dst2, GPR:$base_wb),
1567 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_d_ru,
1568 "ldrd", "\t$dst1, $dst2, [$base], $offset", "$base = $base_wb", []>,
1569 Requires<[IsARM, HasV5TE]>;
1571 } // mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1
1573 // LDRT, LDRBT, LDRSBT, LDRHT, LDRSHT are for disassembly only.
1575 def LDRT : AI2ldwpo<(outs GPR:$dst, GPR:$base_wb),
1576 (ins GPR:$base, am2offset:$offset), LdFrm, IIC_iLoad_ru,
1577 "ldrt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1578 let Inst{21} = 1; // overwrite
1581 def LDRBT : AI2ldbpo<(outs GPR:$dst, GPR:$base_wb),
1582 (ins GPR:$base,am2offset:$offset), LdFrm, IIC_iLoad_bh_ru,
1583 "ldrbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1584 let Inst{21} = 1; // overwrite
1587 def LDRSBT : AI3ldsbpo<(outs GPR:$dst, GPR:$base_wb),
1588 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1589 "ldrsbt", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1590 let Inst{21} = 1; // overwrite
1593 def LDRHT : AI3ldhpo<(outs GPR:$dst, GPR:$base_wb),
1594 (ins GPR:$base, am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1595 "ldrht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1596 let Inst{21} = 1; // overwrite
1599 def LDRSHT : AI3ldshpo<(outs GPR:$dst, GPR:$base_wb),
1600 (ins GPR:$base,am3offset:$offset), LdMiscFrm, IIC_iLoad_bh_ru,
1601 "ldrsht", "\t$dst, [$base], $offset", "$base = $base_wb", []> {
1602 let Inst{21} = 1; // overwrite
1607 // Stores with truncate
1608 def STRH : AI3sth<(outs), (ins GPR:$src, addrmode3:$addr), StMiscFrm,
1609 IIC_iStore_bh_r, "strh", "\t$src, $addr",
1610 [(truncstorei16 GPR:$src, addrmode3:$addr)]>;
1613 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1614 isCodeGenOnly = 1 in // $src2 doesn't exist in asm string
1615 def STRD : AI3std<(outs), (ins GPR:$src1, GPR:$src2, addrmode3:$addr),
1616 StMiscFrm, IIC_iStore_d_r,
1617 "strd", "\t$src1, $addr", []>, Requires<[IsARM, HasV5TE]>;
1620 def STR_PRE : AI2stwpr<(outs GPR:$base_wb),
1621 (ins GPR:$src, GPR:$base, am2offset:$offset),
1622 StFrm, IIC_iStore_ru,
1623 "str", "\t$src, [$base, $offset]!", "$base = $base_wb",
1625 (pre_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1627 def STR_POST : AI2stwpo<(outs GPR:$base_wb),
1628 (ins GPR:$src, GPR:$base,am2offset:$offset),
1629 StFrm, IIC_iStore_ru,
1630 "str", "\t$src, [$base], $offset", "$base = $base_wb",
1632 (post_store GPR:$src, GPR:$base, am2offset:$offset))]>;
1634 def STRH_PRE : AI3sthpr<(outs GPR:$base_wb),
1635 (ins GPR:$src, GPR:$base,am3offset:$offset),
1636 StMiscFrm, IIC_iStore_ru,
1637 "strh", "\t$src, [$base, $offset]!", "$base = $base_wb",
1639 (pre_truncsti16 GPR:$src, GPR:$base,am3offset:$offset))]>;
1641 def STRH_POST: AI3sthpo<(outs GPR:$base_wb),
1642 (ins GPR:$src, GPR:$base,am3offset:$offset),
1643 StMiscFrm, IIC_iStore_bh_ru,
1644 "strh", "\t$src, [$base], $offset", "$base = $base_wb",
1645 [(set GPR:$base_wb, (post_truncsti16 GPR:$src,
1646 GPR:$base, am3offset:$offset))]>;
1648 def STRB_PRE : AI2stbpr<(outs GPR:$base_wb),
1649 (ins GPR:$src, GPR:$base,am2offset:$offset),
1650 StFrm, IIC_iStore_bh_ru,
1651 "strb", "\t$src, [$base, $offset]!", "$base = $base_wb",
1652 [(set GPR:$base_wb, (pre_truncsti8 GPR:$src,
1653 GPR:$base, am2offset:$offset))]>;
1655 def STRB_POST: AI2stbpo<(outs GPR:$base_wb),
1656 (ins GPR:$src, GPR:$base,am2offset:$offset),
1657 StFrm, IIC_iStore_bh_ru,
1658 "strb", "\t$src, [$base], $offset", "$base = $base_wb",
1659 [(set GPR:$base_wb, (post_truncsti8 GPR:$src,
1660 GPR:$base, am2offset:$offset))]>;
1662 // For disassembly only
1663 def STRD_PRE : AI3stdpr<(outs GPR:$base_wb),
1664 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1665 StMiscFrm, IIC_iStore_d_ru,
1666 "strd", "\t$src1, $src2, [$base, $offset]!",
1667 "$base = $base_wb", []>;
1669 // For disassembly only
1670 def STRD_POST: AI3stdpo<(outs GPR:$base_wb),
1671 (ins GPR:$src1, GPR:$src2, GPR:$base, am3offset:$offset),
1672 StMiscFrm, IIC_iStore_d_ru,
1673 "strd", "\t$src1, $src2, [$base], $offset",
1674 "$base = $base_wb", []>;
1676 // STRT, STRBT, and STRHT are for disassembly only.
1678 def STRT : AI2stwpo<(outs GPR:$base_wb),
1679 (ins GPR:$src, GPR:$base,am2offset:$offset),
1680 StFrm, IIC_iStore_ru,
1681 "strt", "\t$src, [$base], $offset", "$base = $base_wb",
1682 [/* For disassembly only; pattern left blank */]> {
1683 let Inst{21} = 1; // overwrite
1686 def STRBT : AI2stbpo<(outs GPR:$base_wb),
1687 (ins GPR:$src, GPR:$base,am2offset:$offset),
1688 StFrm, IIC_iStore_bh_ru,
1689 "strbt", "\t$src, [$base], $offset", "$base = $base_wb",
1690 [/* For disassembly only; pattern left blank */]> {
1691 let Inst{21} = 1; // overwrite
1694 def STRHT: AI3sthpo<(outs GPR:$base_wb),
1695 (ins GPR:$src, GPR:$base,am3offset:$offset),
1696 StMiscFrm, IIC_iStore_bh_ru,
1697 "strht", "\t$src, [$base], $offset", "$base = $base_wb",
1698 [/* For disassembly only; pattern left blank */]> {
1699 let Inst{21} = 1; // overwrite
1702 //===----------------------------------------------------------------------===//
1703 // Load / store multiple Instructions.
1706 let mayLoad = 1, neverHasSideEffects = 1, hasExtraDefRegAllocReq = 1,
1707 isCodeGenOnly = 1 in {
1708 def LDM : AXI4ld<(outs), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1709 reglist:$dsts, variable_ops),
1710 IndexModeNone, LdStMulFrm, IIC_iLoad_m,
1711 "ldm${amode}${p}\t$Rn, $dsts", "", []> {
1713 let Inst{31-28} = p;
1717 def LDM_UPD : AXI4ld<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1718 reglist:$dsts, variable_ops),
1719 IndexModeUpd, LdStMulFrm, IIC_iLoad_mu,
1720 "ldm${amode}${p}\t$Rn!, $dsts",
1723 let Inst{31-28} = p;
1726 } // mayLoad, neverHasSideEffects, hasExtraDefRegAllocReq
1728 let mayStore = 1, neverHasSideEffects = 1, hasExtraSrcRegAllocReq = 1,
1729 isCodeGenOnly = 1 in {
1730 def STM : AXI4st<(outs), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1731 reglist:$srcs, variable_ops),
1732 IndexModeNone, LdStMulFrm, IIC_iStore_m,
1733 "stm${amode}${p}\t$Rn, $srcs", "", []>;
1735 def STM_UPD : AXI4st<(outs GPR:$wb), (ins GPR:$Rn, ldstm_mode:$amode, pred:$p,
1736 reglist:$srcs, variable_ops),
1737 IndexModeUpd, LdStMulFrm, IIC_iStore_mu,
1738 "stm${amode}${p}\t$Rn!, $srcs",
1740 } // mayStore, neverHasSideEffects, hasExtraSrcRegAllocReq
1742 //===----------------------------------------------------------------------===//
1743 // Move Instructions.
1746 let neverHasSideEffects = 1 in
1747 def MOVr : AsI1<0b1101, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMOVr,
1748 "mov", "\t$Rd, $Rm", []>, UnaryDP {
1752 let Inst{11-4} = 0b00000000;
1755 let Inst{15-12} = Rd;
1758 // A version for the smaller set of tail call registers.
1759 let neverHasSideEffects = 1 in
1760 def MOVr_TC : AsI1<0b1101, (outs tcGPR:$Rd), (ins tcGPR:$Rm), DPFrm,
1761 IIC_iMOVr, "mov", "\t$Rd, $Rm", []>, UnaryDP {
1765 let Inst{11-4} = 0b00000000;
1768 let Inst{15-12} = Rd;
1771 def MOVs : AsI1<0b1101, (outs GPR:$Rd), (ins shift_so_reg:$src),
1772 DPSoRegFrm, IIC_iMOVsr,
1773 "mov", "\t$Rd, $src", [(set GPR:$Rd, shift_so_reg:$src)]>,
1777 let Inst{15-12} = Rd;
1778 let Inst{11-0} = src;
1782 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1783 def MOVi : AsI1<0b1101, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm, IIC_iMOVi,
1784 "mov", "\t$Rd, $imm", [(set GPR:$Rd, so_imm:$imm)]>, UnaryDP {
1788 let Inst{15-12} = Rd;
1789 let Inst{19-16} = 0b0000;
1790 let Inst{11-0} = imm;
1793 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
1794 def MOVi16 : AI1<0b1000, (outs GPR:$Rd), (ins i32imm:$imm),
1796 "movw", "\t$Rd, $imm",
1797 [(set GPR:$Rd, imm0_65535:$imm)]>,
1798 Requires<[IsARM, HasV6T2]>, UnaryDP {
1801 let Inst{15-12} = Rd;
1802 let Inst{11-0} = imm{11-0};
1803 let Inst{19-16} = imm{15-12};
1808 let Constraints = "$src = $Rd" in
1809 def MOVTi16 : AI1<0b1010, (outs GPR:$Rd), (ins GPR:$src, i32imm:$imm),
1811 "movt", "\t$Rd, $imm",
1813 (or (and GPR:$src, 0xffff),
1814 lo16AllZero:$imm))]>, UnaryDP,
1815 Requires<[IsARM, HasV6T2]> {
1818 let Inst{15-12} = Rd;
1819 let Inst{11-0} = imm{11-0};
1820 let Inst{19-16} = imm{15-12};
1825 def : ARMPat<(or GPR:$src, 0xffff0000), (MOVTi16 GPR:$src, 0xffff)>,
1826 Requires<[IsARM, HasV6T2]>;
1828 let Uses = [CPSR] in
1829 def RRX: PseudoInst<(outs GPR:$Rd), (ins GPR:$Rm), IIC_iMOVsi, "",
1830 [(set GPR:$Rd, (ARMrrx GPR:$Rm))]>, UnaryDP,
1833 // These aren't really mov instructions, but we have to define them this way
1834 // due to flag operands.
1836 let Defs = [CPSR] in {
1837 def MOVsrl_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1838 [(set GPR:$dst, (ARMsrl_flag GPR:$src))]>, UnaryDP,
1840 def MOVsra_flag : PseudoInst<(outs GPR:$dst), (ins GPR:$src), IIC_iMOVsi, "",
1841 [(set GPR:$dst, (ARMsra_flag GPR:$src))]>, UnaryDP,
1845 //===----------------------------------------------------------------------===//
1846 // Extend Instructions.
1851 defm SXTB : AI_ext_rrot<0b01101010,
1852 "sxtb", UnOpFrag<(sext_inreg node:$Src, i8)>>;
1853 defm SXTH : AI_ext_rrot<0b01101011,
1854 "sxth", UnOpFrag<(sext_inreg node:$Src, i16)>>;
1856 defm SXTAB : AI_exta_rrot<0b01101010,
1857 "sxtab", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS, i8))>>;
1858 defm SXTAH : AI_exta_rrot<0b01101011,
1859 "sxtah", BinOpFrag<(add node:$LHS, (sext_inreg node:$RHS,i16))>>;
1861 // For disassembly only
1862 defm SXTB16 : AI_ext_rrot_np<0b01101000, "sxtb16">;
1864 // For disassembly only
1865 defm SXTAB16 : AI_exta_rrot_np<0b01101000, "sxtab16">;
1869 let AddedComplexity = 16 in {
1870 defm UXTB : AI_ext_rrot<0b01101110,
1871 "uxtb" , UnOpFrag<(and node:$Src, 0x000000FF)>>;
1872 defm UXTH : AI_ext_rrot<0b01101111,
1873 "uxth" , UnOpFrag<(and node:$Src, 0x0000FFFF)>>;
1874 defm UXTB16 : AI_ext_rrot<0b01101100,
1875 "uxtb16", UnOpFrag<(and node:$Src, 0x00FF00FF)>>;
1877 // FIXME: This pattern incorrectly assumes the shl operator is a rotate.
1878 // The transformation should probably be done as a combiner action
1879 // instead so we can include a check for masking back in the upper
1880 // eight bits of the source into the lower eight bits of the result.
1881 //def : ARMV6Pat<(and (shl GPR:$Src, (i32 8)), 0xFF00FF),
1882 // (UXTB16r_rot GPR:$Src, 24)>;
1883 def : ARMV6Pat<(and (srl GPR:$Src, (i32 8)), 0xFF00FF),
1884 (UXTB16r_rot GPR:$Src, 8)>;
1886 defm UXTAB : AI_exta_rrot<0b01101110, "uxtab",
1887 BinOpFrag<(add node:$LHS, (and node:$RHS, 0x00FF))>>;
1888 defm UXTAH : AI_exta_rrot<0b01101111, "uxtah",
1889 BinOpFrag<(add node:$LHS, (and node:$RHS, 0xFFFF))>>;
1892 // This isn't safe in general, the add is two 16-bit units, not a 32-bit add.
1893 // For disassembly only
1894 defm UXTAB16 : AI_exta_rrot_np<0b01101100, "uxtab16">;
1897 def SBFX : I<(outs GPR:$Rd),
1898 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1899 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1900 "sbfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1901 Requires<[IsARM, HasV6T2]> {
1906 let Inst{27-21} = 0b0111101;
1907 let Inst{6-4} = 0b101;
1908 let Inst{20-16} = width;
1909 let Inst{15-12} = Rd;
1910 let Inst{11-7} = lsb;
1914 def UBFX : I<(outs GPR:$Rd),
1915 (ins GPR:$Rn, imm0_31:$lsb, imm0_31_m1:$width),
1916 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
1917 "ubfx", "\t$Rd, $Rn, $lsb, $width", "", []>,
1918 Requires<[IsARM, HasV6T2]> {
1923 let Inst{27-21} = 0b0111111;
1924 let Inst{6-4} = 0b101;
1925 let Inst{20-16} = width;
1926 let Inst{15-12} = Rd;
1927 let Inst{11-7} = lsb;
1931 //===----------------------------------------------------------------------===//
1932 // Arithmetic Instructions.
1935 defm ADD : AsI1_bin_irs<0b0100, "add",
1936 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1937 BinOpFrag<(add node:$LHS, node:$RHS)>, 1>;
1938 defm SUB : AsI1_bin_irs<0b0010, "sub",
1939 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1940 BinOpFrag<(sub node:$LHS, node:$RHS)>>;
1942 // ADD and SUB with 's' bit set.
1943 defm ADDS : AI1_bin_s_irs<0b0100, "adds",
1944 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1945 BinOpFrag<(addc node:$LHS, node:$RHS)>, 1>;
1946 defm SUBS : AI1_bin_s_irs<0b0010, "subs",
1947 IIC_iALUi, IIC_iALUr, IIC_iALUsr,
1948 BinOpFrag<(subc node:$LHS, node:$RHS)>>;
1950 defm ADC : AI1_adde_sube_irs<0b0101, "adc",
1951 BinOpFrag<(adde_dead_carry node:$LHS, node:$RHS)>, 1>;
1952 defm SBC : AI1_adde_sube_irs<0b0110, "sbc",
1953 BinOpFrag<(sube_dead_carry node:$LHS, node:$RHS)>>;
1954 defm ADCS : AI1_adde_sube_s_irs<0b0101, "adcs",
1955 BinOpFrag<(adde_live_carry node:$LHS, node:$RHS)>, 1>;
1956 defm SBCS : AI1_adde_sube_s_irs<0b0110, "sbcs",
1957 BinOpFrag<(sube_live_carry node:$LHS, node:$RHS) >>;
1959 def RSBri : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
1960 IIC_iALUi, "rsb", "\t$Rd, $Rn, $imm",
1961 [(set GPR:$Rd, (sub so_imm:$imm, GPR:$Rn))]> {
1966 let Inst{15-12} = Rd;
1967 let Inst{19-16} = Rn;
1968 let Inst{11-0} = imm;
1971 // The reg/reg form is only defined for the disassembler; for codegen it is
1972 // equivalent to SUBrr.
1973 def RSBrr : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm,
1974 IIC_iALUr, "rsb", "\t$Rd, $Rn, $Rm",
1975 [/* For disassembly only; pattern left blank */]> {
1979 let Inst{11-4} = 0b00000000;
1982 let Inst{15-12} = Rd;
1983 let Inst{19-16} = Rn;
1986 def RSBrs : AsI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
1987 DPSoRegFrm, IIC_iALUsr, "rsb", "\t$Rd, $Rn, $shift",
1988 [(set GPR:$Rd, (sub so_reg:$shift, GPR:$Rn))]> {
1993 let Inst{11-0} = shift;
1994 let Inst{15-12} = Rd;
1995 let Inst{19-16} = Rn;
1998 // RSB with 's' bit set.
1999 let Defs = [CPSR] in {
2000 def RSBSri : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm), DPFrm,
2001 IIC_iALUi, "rsbs", "\t$Rd, $Rn, $imm",
2002 [(set GPR:$Rd, (subc so_imm:$imm, GPR:$Rn))]> {
2008 let Inst{15-12} = Rd;
2009 let Inst{19-16} = Rn;
2010 let Inst{11-0} = imm;
2012 def RSBSrs : AI1<0b0011, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2013 DPSoRegFrm, IIC_iALUsr, "rsbs", "\t$Rd, $Rn, $shift",
2014 [(set GPR:$Rd, (subc so_reg:$shift, GPR:$Rn))]> {
2020 let Inst{11-0} = shift;
2021 let Inst{15-12} = Rd;
2022 let Inst{19-16} = Rn;
2026 let Uses = [CPSR] in {
2027 def RSCri : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2028 DPFrm, IIC_iALUi, "rsc", "\t$Rd, $Rn, $imm",
2029 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2035 let Inst{15-12} = Rd;
2036 let Inst{19-16} = Rn;
2037 let Inst{11-0} = imm;
2039 // The reg/reg form is only defined for the disassembler; for codegen it is
2040 // equivalent to SUBrr.
2041 def RSCrr : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2042 DPFrm, IIC_iALUr, "rsc", "\t$Rd, $Rn, $Rm",
2043 [/* For disassembly only; pattern left blank */]> {
2047 let Inst{11-4} = 0b00000000;
2050 let Inst{15-12} = Rd;
2051 let Inst{19-16} = Rn;
2053 def RSCrs : AsI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2054 DPSoRegFrm, IIC_iALUsr, "rsc", "\t$Rd, $Rn, $shift",
2055 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2061 let Inst{11-0} = shift;
2062 let Inst{15-12} = Rd;
2063 let Inst{19-16} = Rn;
2067 // FIXME: Allow these to be predicated.
2068 let Defs = [CPSR], Uses = [CPSR] in {
2069 def RSCSri : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_imm:$imm),
2070 DPFrm, IIC_iALUi, "rscs\t$Rd, $Rn, $imm",
2071 [(set GPR:$Rd, (sube_dead_carry so_imm:$imm, GPR:$Rn))]>,
2078 let Inst{15-12} = Rd;
2079 let Inst{19-16} = Rn;
2080 let Inst{11-0} = imm;
2082 def RSCSrs : AXI1<0b0111, (outs GPR:$Rd), (ins GPR:$Rn, so_reg:$shift),
2083 DPSoRegFrm, IIC_iALUsr, "rscs\t$Rd, $Rn, $shift",
2084 [(set GPR:$Rd, (sube_dead_carry so_reg:$shift, GPR:$Rn))]>,
2091 let Inst{11-0} = shift;
2092 let Inst{15-12} = Rd;
2093 let Inst{19-16} = Rn;
2097 // (sub X, imm) gets canonicalized to (add X, -imm). Match this form.
2098 // The assume-no-carry-in form uses the negation of the input since add/sub
2099 // assume opposite meanings of the carry flag (i.e., carry == !borrow).
2100 // See the definition of AddWithCarry() in the ARM ARM A2.2.1 for the gory
2102 def : ARMPat<(add GPR:$src, so_imm_neg:$imm),
2103 (SUBri GPR:$src, so_imm_neg:$imm)>;
2104 def : ARMPat<(addc GPR:$src, so_imm_neg:$imm),
2105 (SUBSri GPR:$src, so_imm_neg:$imm)>;
2106 // The with-carry-in form matches bitwise not instead of the negation.
2107 // Effectively, the inverse interpretation of the carry flag already accounts
2108 // for part of the negation.
2109 def : ARMPat<(adde GPR:$src, so_imm_not:$imm),
2110 (SBCri GPR:$src, so_imm_not:$imm)>;
2112 // Note: These are implemented in C++ code, because they have to generate
2113 // ADD/SUBrs instructions, which use a complex pattern that a xform function
2115 // (mul X, 2^n+1) -> (add (X << n), X)
2116 // (mul X, 2^n-1) -> (rsb X, (X << n))
2118 // ARM Arithmetic Instruction -- for disassembly only
2119 // GPR:$dst = GPR:$a op GPR:$b
2120 class AAI<bits<8> op27_20, bits<8> op11_4, string opc,
2121 list<dag> pattern = [/* For disassembly only; pattern left blank */]>
2122 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm), DPFrm, IIC_iALUr,
2123 opc, "\t$Rd, $Rn, $Rm", pattern> {
2127 let Inst{27-20} = op27_20;
2128 let Inst{11-4} = op11_4;
2129 let Inst{19-16} = Rn;
2130 let Inst{15-12} = Rd;
2134 // Saturating add/subtract -- for disassembly only
2136 def QADD : AAI<0b00010000, 0b00000101, "qadd",
2137 [(set GPR:$Rd, (int_arm_qadd GPR:$Rn, GPR:$Rm))]>;
2138 def QSUB : AAI<0b00010010, 0b00000101, "qsub",
2139 [(set GPR:$Rd, (int_arm_qsub GPR:$Rn, GPR:$Rm))]>;
2140 def QDADD : AAI<0b00010100, 0b00000101, "qdadd">;
2141 def QDSUB : AAI<0b00010110, 0b00000101, "qdsub">;
2143 def QADD16 : AAI<0b01100010, 0b11110001, "qadd16">;
2144 def QADD8 : AAI<0b01100010, 0b11111001, "qadd8">;
2145 def QASX : AAI<0b01100010, 0b11110011, "qasx">;
2146 def QSAX : AAI<0b01100010, 0b11110101, "qsax">;
2147 def QSUB16 : AAI<0b01100010, 0b11110111, "qsub16">;
2148 def QSUB8 : AAI<0b01100010, 0b11111111, "qsub8">;
2149 def UQADD16 : AAI<0b01100110, 0b11110001, "uqadd16">;
2150 def UQADD8 : AAI<0b01100110, 0b11111001, "uqadd8">;
2151 def UQASX : AAI<0b01100110, 0b11110011, "uqasx">;
2152 def UQSAX : AAI<0b01100110, 0b11110101, "uqsax">;
2153 def UQSUB16 : AAI<0b01100110, 0b11110111, "uqsub16">;
2154 def UQSUB8 : AAI<0b01100110, 0b11111111, "uqsub8">;
2156 // Signed/Unsigned add/subtract -- for disassembly only
2158 def SASX : AAI<0b01100001, 0b11110011, "sasx">;
2159 def SADD16 : AAI<0b01100001, 0b11110001, "sadd16">;
2160 def SADD8 : AAI<0b01100001, 0b11111001, "sadd8">;
2161 def SSAX : AAI<0b01100001, 0b11110101, "ssax">;
2162 def SSUB16 : AAI<0b01100001, 0b11110111, "ssub16">;
2163 def SSUB8 : AAI<0b01100001, 0b11111111, "ssub8">;
2164 def UASX : AAI<0b01100101, 0b11110011, "uasx">;
2165 def UADD16 : AAI<0b01100101, 0b11110001, "uadd16">;
2166 def UADD8 : AAI<0b01100101, 0b11111001, "uadd8">;
2167 def USAX : AAI<0b01100101, 0b11110101, "usax">;
2168 def USUB16 : AAI<0b01100101, 0b11110111, "usub16">;
2169 def USUB8 : AAI<0b01100101, 0b11111111, "usub8">;
2171 // Signed/Unsigned halving add/subtract -- for disassembly only
2173 def SHASX : AAI<0b01100011, 0b11110011, "shasx">;
2174 def SHADD16 : AAI<0b01100011, 0b11110001, "shadd16">;
2175 def SHADD8 : AAI<0b01100011, 0b11111001, "shadd8">;
2176 def SHSAX : AAI<0b01100011, 0b11110101, "shsax">;
2177 def SHSUB16 : AAI<0b01100011, 0b11110111, "shsub16">;
2178 def SHSUB8 : AAI<0b01100011, 0b11111111, "shsub8">;
2179 def UHASX : AAI<0b01100111, 0b11110011, "uhasx">;
2180 def UHADD16 : AAI<0b01100111, 0b11110001, "uhadd16">;
2181 def UHADD8 : AAI<0b01100111, 0b11111001, "uhadd8">;
2182 def UHSAX : AAI<0b01100111, 0b11110101, "uhsax">;
2183 def UHSUB16 : AAI<0b01100111, 0b11110111, "uhsub16">;
2184 def UHSUB8 : AAI<0b01100111, 0b11111111, "uhsub8">;
2186 // Unsigned Sum of Absolute Differences [and Accumulate] -- for disassembly only
2188 def USAD8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2189 MulFrm /* for convenience */, NoItinerary, "usad8",
2190 "\t$Rd, $Rn, $Rm", []>,
2191 Requires<[IsARM, HasV6]> {
2195 let Inst{27-20} = 0b01111000;
2196 let Inst{15-12} = 0b1111;
2197 let Inst{7-4} = 0b0001;
2198 let Inst{19-16} = Rd;
2199 let Inst{11-8} = Rm;
2202 def USADA8 : AI<(outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2203 MulFrm /* for convenience */, NoItinerary, "usada8",
2204 "\t$Rd, $Rn, $Rm, $Ra", []>,
2205 Requires<[IsARM, HasV6]> {
2210 let Inst{27-20} = 0b01111000;
2211 let Inst{7-4} = 0b0001;
2212 let Inst{19-16} = Rd;
2213 let Inst{15-12} = Ra;
2214 let Inst{11-8} = Rm;
2218 // Signed/Unsigned saturate -- for disassembly only
2220 def SSAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2221 SatFrm, NoItinerary, "ssat", "\t$Rd, $sat_imm, $a$sh",
2222 [/* For disassembly only; pattern left blank */]> {
2227 let Inst{27-21} = 0b0110101;
2228 let Inst{5-4} = 0b01;
2229 let Inst{20-16} = sat_imm;
2230 let Inst{15-12} = Rd;
2231 let Inst{11-7} = sh{7-3};
2232 let Inst{6} = sh{0};
2236 def SSAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$Rn), SatFrm,
2237 NoItinerary, "ssat16", "\t$Rd, $sat_imm, $Rn",
2238 [/* For disassembly only; pattern left blank */]> {
2242 let Inst{27-20} = 0b01101010;
2243 let Inst{11-4} = 0b11110011;
2244 let Inst{15-12} = Rd;
2245 let Inst{19-16} = sat_imm;
2249 def USAT : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a, shift_imm:$sh),
2250 SatFrm, NoItinerary, "usat", "\t$Rd, $sat_imm, $a$sh",
2251 [/* For disassembly only; pattern left blank */]> {
2256 let Inst{27-21} = 0b0110111;
2257 let Inst{5-4} = 0b01;
2258 let Inst{15-12} = Rd;
2259 let Inst{11-7} = sh{7-3};
2260 let Inst{6} = sh{0};
2261 let Inst{20-16} = sat_imm;
2265 def USAT16 : AI<(outs GPR:$Rd), (ins i32imm:$sat_imm, GPR:$a), SatFrm,
2266 NoItinerary, "usat16", "\t$Rd, $sat_imm, $a",
2267 [/* For disassembly only; pattern left blank */]> {
2271 let Inst{27-20} = 0b01101110;
2272 let Inst{11-4} = 0b11110011;
2273 let Inst{15-12} = Rd;
2274 let Inst{19-16} = sat_imm;
2278 def : ARMV6Pat<(int_arm_ssat GPR:$a, imm:$pos), (SSAT imm:$pos, GPR:$a, 0)>;
2279 def : ARMV6Pat<(int_arm_usat GPR:$a, imm:$pos), (USAT imm:$pos, GPR:$a, 0)>;
2281 //===----------------------------------------------------------------------===//
2282 // Bitwise Instructions.
2285 defm AND : AsI1_bin_irs<0b0000, "and",
2286 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2287 BinOpFrag<(and node:$LHS, node:$RHS)>, 1>;
2288 defm ORR : AsI1_bin_irs<0b1100, "orr",
2289 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2290 BinOpFrag<(or node:$LHS, node:$RHS)>, 1>;
2291 defm EOR : AsI1_bin_irs<0b0001, "eor",
2292 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2293 BinOpFrag<(xor node:$LHS, node:$RHS)>, 1>;
2294 defm BIC : AsI1_bin_irs<0b1110, "bic",
2295 IIC_iBITi, IIC_iBITr, IIC_iBITsr,
2296 BinOpFrag<(and node:$LHS, (not node:$RHS))>>;
2298 def BFC : I<(outs GPR:$Rd), (ins GPR:$src, bf_inv_mask_imm:$imm),
2299 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2300 "bfc", "\t$Rd, $imm", "$src = $Rd",
2301 [(set GPR:$Rd, (and GPR:$src, bf_inv_mask_imm:$imm))]>,
2302 Requires<[IsARM, HasV6T2]> {
2305 let Inst{27-21} = 0b0111110;
2306 let Inst{6-0} = 0b0011111;
2307 let Inst{15-12} = Rd;
2308 let Inst{11-7} = imm{4-0}; // lsb
2309 let Inst{20-16} = imm{9-5}; // width
2312 // A8.6.18 BFI - Bitfield insert (Encoding A1)
2313 def BFI : I<(outs GPR:$Rd), (ins GPR:$src, GPR:$Rn, bf_inv_mask_imm:$imm),
2314 AddrMode1, Size4Bytes, IndexModeNone, DPFrm, IIC_iUNAsi,
2315 "bfi", "\t$Rd, $Rn, $imm", "$src = $Rd",
2316 [(set GPR:$Rd, (ARMbfi GPR:$src, GPR:$Rn,
2317 bf_inv_mask_imm:$imm))]>,
2318 Requires<[IsARM, HasV6T2]> {
2322 let Inst{27-21} = 0b0111110;
2323 let Inst{6-4} = 0b001; // Rn: Inst{3-0} != 15
2324 let Inst{15-12} = Rd;
2325 let Inst{11-7} = imm{4-0}; // lsb
2326 let Inst{20-16} = imm{9-5}; // width
2330 def MVNr : AsI1<0b1111, (outs GPR:$Rd), (ins GPR:$Rm), DPFrm, IIC_iMVNr,
2331 "mvn", "\t$Rd, $Rm",
2332 [(set GPR:$Rd, (not GPR:$Rm))]>, UnaryDP {
2336 let Inst{19-16} = 0b0000;
2337 let Inst{11-4} = 0b00000000;
2338 let Inst{15-12} = Rd;
2341 def MVNs : AsI1<0b1111, (outs GPR:$Rd), (ins so_reg:$shift), DPSoRegFrm,
2342 IIC_iMVNsr, "mvn", "\t$Rd, $shift",
2343 [(set GPR:$Rd, (not so_reg:$shift))]>, UnaryDP {
2348 let Inst{19-16} = 0b0000;
2349 let Inst{15-12} = Rd;
2350 let Inst{11-0} = shift;
2352 let isReMaterializable = 1, isAsCheapAsAMove = 1 in
2353 def MVNi : AsI1<0b1111, (outs GPR:$Rd), (ins so_imm:$imm), DPFrm,
2354 IIC_iMVNi, "mvn", "\t$Rd, $imm",
2355 [(set GPR:$Rd, so_imm_not:$imm)]>,UnaryDP {
2360 let Inst{19-16} = 0b0000;
2361 let Inst{15-12} = Rd;
2362 let Inst{11-0} = imm;
2365 def : ARMPat<(and GPR:$src, so_imm_not:$imm),
2366 (BICri GPR:$src, so_imm_not:$imm)>;
2368 //===----------------------------------------------------------------------===//
2369 // Multiply Instructions.
2371 class AsMul1I32<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2372 string opc, string asm, list<dag> pattern>
2373 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2377 let Inst{19-16} = Rd;
2378 let Inst{11-8} = Rm;
2381 class AsMul1I64<bits<7> opcod, dag oops, dag iops, InstrItinClass itin,
2382 string opc, string asm, list<dag> pattern>
2383 : AsMul1I<opcod, oops, iops, itin, opc, asm, pattern> {
2388 let Inst{19-16} = RdHi;
2389 let Inst{15-12} = RdLo;
2390 let Inst{11-8} = Rm;
2394 let isCommutable = 1 in
2395 def MUL : AsMul1I32<0b0000000, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2396 IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm",
2397 [(set GPR:$Rd, (mul GPR:$Rn, GPR:$Rm))]>;
2399 def MLA : AsMul1I32<0b0000001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2400 IIC_iMAC32, "mla", "\t$Rd, $Rn, $Rm, $Ra",
2401 [(set GPR:$Rd, (add (mul GPR:$Rn, GPR:$Rm), GPR:$Ra))]> {
2403 let Inst{15-12} = Ra;
2406 def MLS : AMul1I<0b0000011, (outs GPR:$dst), (ins GPR:$a, GPR:$b, GPR:$c),
2407 IIC_iMAC32, "mls", "\t$dst, $a, $b, $c",
2408 [(set GPR:$dst, (sub GPR:$c, (mul GPR:$a, GPR:$b)))]>,
2409 Requires<[IsARM, HasV6T2]> {
2413 let Inst{19-16} = Rd;
2414 let Inst{11-8} = Rm;
2418 // Extra precision multiplies with low / high results
2420 let neverHasSideEffects = 1 in {
2421 let isCommutable = 1 in {
2422 def SMULL : AsMul1I64<0b0000110, (outs GPR:$RdLo, GPR:$RdHi),
2423 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2424 "smull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2426 def UMULL : AsMul1I64<0b0000100, (outs GPR:$RdLo, GPR:$RdHi),
2427 (ins GPR:$Rn, GPR:$Rm), IIC_iMUL64,
2428 "umull", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2431 // Multiply + accumulate
2432 def SMLAL : AsMul1I64<0b0000111, (outs GPR:$RdLo, GPR:$RdHi),
2433 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2434 "smlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2436 def UMLAL : AsMul1I64<0b0000101, (outs GPR:$RdLo, GPR:$RdHi),
2437 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2438 "umlal", "\t$RdLo, $RdHi, $Rn, $Rm", []>;
2440 def UMAAL : AMul1I <0b0000010, (outs GPR:$RdLo, GPR:$RdHi),
2441 (ins GPR:$Rn, GPR:$Rm), IIC_iMAC64,
2442 "umaal", "\t$RdLo, $RdHi, $Rn, $Rm", []>,
2443 Requires<[IsARM, HasV6]> {
2448 let Inst{19-16} = RdLo;
2449 let Inst{15-12} = RdHi;
2450 let Inst{11-8} = Rm;
2453 } // neverHasSideEffects
2455 // Most significant word multiply
2456 def SMMUL : AMul2I <0b0111010, 0b0001, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2457 IIC_iMUL32, "smmul", "\t$Rd, $Rn, $Rm",
2458 [(set GPR:$Rd, (mulhs GPR:$Rn, GPR:$Rm))]>,
2459 Requires<[IsARM, HasV6]> {
2460 let Inst{15-12} = 0b1111;
2463 def SMMULR : AMul2I <0b0111010, 0b0011, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2464 IIC_iMUL32, "smmulr", "\t$Rd, $Rn, $Rm",
2465 [/* For disassembly only; pattern left blank */]>,
2466 Requires<[IsARM, HasV6]> {
2467 let Inst{15-12} = 0b1111;
2470 def SMMLA : AMul2Ia <0b0111010, 0b0001, (outs GPR:$Rd),
2471 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2472 IIC_iMAC32, "smmla", "\t$Rd, $Rn, $Rm, $Ra",
2473 [(set GPR:$Rd, (add (mulhs GPR:$Rn, GPR:$Rm), GPR:$Ra))]>,
2474 Requires<[IsARM, HasV6]>;
2476 def SMMLAR : AMul2Ia <0b0111010, 0b0011, (outs GPR:$Rd),
2477 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2478 IIC_iMAC32, "smmlar", "\t$Rd, $Rn, $Rm, $Ra",
2479 [/* For disassembly only; pattern left blank */]>,
2480 Requires<[IsARM, HasV6]>;
2482 def SMMLS : AMul2Ia <0b0111010, 0b1101, (outs GPR:$Rd),
2483 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2484 IIC_iMAC32, "smmls", "\t$Rd, $Rn, $Rm, $Ra",
2485 [(set GPR:$Rd, (sub GPR:$Ra, (mulhs GPR:$Rn, GPR:$Rm)))]>,
2486 Requires<[IsARM, HasV6]>;
2488 def SMMLSR : AMul2Ia <0b0111010, 0b1111, (outs GPR:$Rd),
2489 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2490 IIC_iMAC32, "smmlsr", "\t$Rd, $Rn, $Rm, $Ra",
2491 [/* For disassembly only; pattern left blank */]>,
2492 Requires<[IsARM, HasV6]>;
2494 multiclass AI_smul<string opc, PatFrag opnode> {
2495 def BB : AMulxyI<0b0001011, 0b00, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2496 IIC_iMUL16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm",
2497 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2498 (sext_inreg GPR:$Rm, i16)))]>,
2499 Requires<[IsARM, HasV5TE]>;
2501 def BT : AMulxyI<0b0001011, 0b10, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2502 IIC_iMUL16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm",
2503 [(set GPR:$Rd, (opnode (sext_inreg GPR:$Rn, i16),
2504 (sra GPR:$Rm, (i32 16))))]>,
2505 Requires<[IsARM, HasV5TE]>;
2507 def TB : AMulxyI<0b0001011, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2508 IIC_iMUL16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm",
2509 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2510 (sext_inreg GPR:$Rm, i16)))]>,
2511 Requires<[IsARM, HasV5TE]>;
2513 def TT : AMulxyI<0b0001011, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2514 IIC_iMUL16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm",
2515 [(set GPR:$Rd, (opnode (sra GPR:$Rn, (i32 16)),
2516 (sra GPR:$Rm, (i32 16))))]>,
2517 Requires<[IsARM, HasV5TE]>;
2519 def WB : AMulxyI<0b0001001, 0b01, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2520 IIC_iMUL16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm",
2521 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2522 (sext_inreg GPR:$Rm, i16)), (i32 16)))]>,
2523 Requires<[IsARM, HasV5TE]>;
2525 def WT : AMulxyI<0b0001001, 0b11, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2526 IIC_iMUL16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm",
2527 [(set GPR:$Rd, (sra (opnode GPR:$Rn,
2528 (sra GPR:$Rm, (i32 16))), (i32 16)))]>,
2529 Requires<[IsARM, HasV5TE]>;
2533 multiclass AI_smla<string opc, PatFrag opnode> {
2534 def BB : AMulxyI<0b0001000, 0b00, (outs GPR:$Rd),
2535 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2536 IIC_iMAC16, !strconcat(opc, "bb"), "\t$Rd, $Rn, $Rm, $Ra",
2537 [(set GPR:$Rd, (add GPR:$Ra,
2538 (opnode (sext_inreg GPR:$Rn, i16),
2539 (sext_inreg GPR:$Rm, i16))))]>,
2540 Requires<[IsARM, HasV5TE]>;
2542 def BT : AMulxyI<0b0001000, 0b10, (outs GPR:$Rd),
2543 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2544 IIC_iMAC16, !strconcat(opc, "bt"), "\t$Rd, $Rn, $Rm, $Ra",
2545 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sext_inreg GPR:$Rn, i16),
2546 (sra GPR:$Rm, (i32 16)))))]>,
2547 Requires<[IsARM, HasV5TE]>;
2549 def TB : AMulxyI<0b0001000, 0b01, (outs GPR:$Rd),
2550 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2551 IIC_iMAC16, !strconcat(opc, "tb"), "\t$Rd, $Rn, $Rm, $Ra",
2552 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2553 (sext_inreg GPR:$Rm, i16))))]>,
2554 Requires<[IsARM, HasV5TE]>;
2556 def TT : AMulxyI<0b0001000, 0b11, (outs GPR:$Rd),
2557 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2558 IIC_iMAC16, !strconcat(opc, "tt"), "\t$Rd, $Rn, $Rm, $Ra",
2559 [(set GPR:$Rd, (add GPR:$Ra, (opnode (sra GPR:$Rn, (i32 16)),
2560 (sra GPR:$Rm, (i32 16)))))]>,
2561 Requires<[IsARM, HasV5TE]>;
2563 def WB : AMulxyI<0b0001001, 0b00, (outs GPR:$Rd),
2564 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2565 IIC_iMAC16, !strconcat(opc, "wb"), "\t$Rd, $Rn, $Rm, $Ra",
2566 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2567 (sext_inreg GPR:$Rm, i16)), (i32 16))))]>,
2568 Requires<[IsARM, HasV5TE]>;
2570 def WT : AMulxyI<0b0001001, 0b10, (outs GPR:$Rd),
2571 (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2572 IIC_iMAC16, !strconcat(opc, "wt"), "\t$Rd, $Rn, $Rm, $Ra",
2573 [(set GPR:$Rd, (add GPR:$Ra, (sra (opnode GPR:$Rn,
2574 (sra GPR:$Rm, (i32 16))), (i32 16))))]>,
2575 Requires<[IsARM, HasV5TE]>;
2578 defm SMUL : AI_smul<"smul", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2579 defm SMLA : AI_smla<"smla", BinOpFrag<(mul node:$LHS, node:$RHS)>>;
2581 // Halfword multiply accumulate long: SMLAL<x><y> -- for disassembly only
2582 def SMLALBB : AMulxyI64<0b0001010, 0b00, (outs GPR:$RdLo, GPR:$RdHi),
2583 (ins GPR:$Rn, GPR:$Rm),
2584 IIC_iMAC64, "smlalbb", "\t$RdLo, $RdHi, $Rn, $Rm",
2585 [/* For disassembly only; pattern left blank */]>,
2586 Requires<[IsARM, HasV5TE]>;
2588 def SMLALBT : AMulxyI64<0b0001010, 0b10, (outs GPR:$RdLo, GPR:$RdHi),
2589 (ins GPR:$Rn, GPR:$Rm),
2590 IIC_iMAC64, "smlalbt", "\t$RdLo, $RdHi, $Rn, $Rm",
2591 [/* For disassembly only; pattern left blank */]>,
2592 Requires<[IsARM, HasV5TE]>;
2594 def SMLALTB : AMulxyI64<0b0001010, 0b01, (outs GPR:$RdLo, GPR:$RdHi),
2595 (ins GPR:$Rn, GPR:$Rm),
2596 IIC_iMAC64, "smlaltb", "\t$RdLo, $RdHi, $Rn, $Rm",
2597 [/* For disassembly only; pattern left blank */]>,
2598 Requires<[IsARM, HasV5TE]>;
2600 def SMLALTT : AMulxyI64<0b0001010, 0b11, (outs GPR:$RdLo, GPR:$RdHi),
2601 (ins GPR:$Rn, GPR:$Rm),
2602 IIC_iMAC64, "smlaltt", "\t$RdLo, $RdHi, $Rn, $Rm",
2603 [/* For disassembly only; pattern left blank */]>,
2604 Requires<[IsARM, HasV5TE]>;
2606 // Helper class for AI_smld -- for disassembly only
2607 class AMulDualIbase<bit long, bit sub, bit swap, dag oops, dag iops,
2608 InstrItinClass itin, string opc, string asm>
2609 : AI<oops, iops, MulFrm, itin, opc, asm, []>, Requires<[IsARM, HasV6]> {
2616 let Inst{21-20} = 0b00;
2617 let Inst{22} = long;
2618 let Inst{27-23} = 0b01110;
2619 let Inst{11-8} = Rm;
2622 class AMulDualI<bit long, bit sub, bit swap, dag oops, dag iops,
2623 InstrItinClass itin, string opc, string asm>
2624 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2626 let Inst{15-12} = 0b1111;
2627 let Inst{19-16} = Rd;
2629 class AMulDualIa<bit long, bit sub, bit swap, dag oops, dag iops,
2630 InstrItinClass itin, string opc, string asm>
2631 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2633 let Inst{15-12} = Ra;
2635 class AMulDualI64<bit long, bit sub, bit swap, dag oops, dag iops,
2636 InstrItinClass itin, string opc, string asm>
2637 : AMulDualIbase<long, sub, swap, oops, iops, itin, opc, asm> {
2640 let Inst{19-16} = RdHi;
2641 let Inst{15-12} = RdLo;
2644 multiclass AI_smld<bit sub, string opc> {
2646 def D : AMulDualIa<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2647 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm, $Ra">;
2649 def DX: AMulDualIa<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm, GPR:$Ra),
2650 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm, $Ra">;
2652 def LD: AMulDualI64<1, sub, 0, (outs GPR:$RdLo,GPR:$RdHi),
2653 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2654 !strconcat(opc, "ld"), "\t$RdLo, $RdHi, $Rn, $Rm">;
2656 def LDX : AMulDualI64<1, sub, 1, (outs GPR:$RdLo,GPR:$RdHi),
2657 (ins GPR:$Rn, GPR:$Rm), NoItinerary,
2658 !strconcat(opc, "ldx"),"\t$RdLo, $RdHi, $Rn, $Rm">;
2662 defm SMLA : AI_smld<0, "smla">;
2663 defm SMLS : AI_smld<1, "smls">;
2665 multiclass AI_sdml<bit sub, string opc> {
2667 def D : AMulDualI<0, sub, 0, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2668 NoItinerary, !strconcat(opc, "d"), "\t$Rd, $Rn, $Rm">;
2669 def DX : AMulDualI<0, sub, 1, (outs GPR:$Rd), (ins GPR:$Rn, GPR:$Rm),
2670 NoItinerary, !strconcat(opc, "dx"), "\t$Rd, $Rn, $Rm">;
2673 defm SMUA : AI_sdml<0, "smua">;
2674 defm SMUS : AI_sdml<1, "smus">;
2676 //===----------------------------------------------------------------------===//
2677 // Misc. Arithmetic Instructions.
2680 def CLZ : AMiscA1I<0b000010110, 0b0001, (outs GPR:$Rd), (ins GPR:$Rm),
2681 IIC_iUNAr, "clz", "\t$Rd, $Rm",
2682 [(set GPR:$Rd, (ctlz GPR:$Rm))]>, Requires<[IsARM, HasV5T]>;
2684 def RBIT : AMiscA1I<0b01101111, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2685 IIC_iUNAr, "rbit", "\t$Rd, $Rm",
2686 [(set GPR:$Rd, (ARMrbit GPR:$Rm))]>,
2687 Requires<[IsARM, HasV6T2]>;
2689 def REV : AMiscA1I<0b01101011, 0b0011, (outs GPR:$Rd), (ins GPR:$Rm),
2690 IIC_iUNAr, "rev", "\t$Rd, $Rm",
2691 [(set GPR:$Rd, (bswap GPR:$Rm))]>, Requires<[IsARM, HasV6]>;
2693 def REV16 : AMiscA1I<0b01101011, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2694 IIC_iUNAr, "rev16", "\t$Rd, $Rm",
2696 (or (and (srl GPR:$Rm, (i32 8)), 0xFF),
2697 (or (and (shl GPR:$Rm, (i32 8)), 0xFF00),
2698 (or (and (srl GPR:$Rm, (i32 8)), 0xFF0000),
2699 (and (shl GPR:$Rm, (i32 8)), 0xFF000000)))))]>,
2700 Requires<[IsARM, HasV6]>;
2702 def REVSH : AMiscA1I<0b01101111, 0b1011, (outs GPR:$Rd), (ins GPR:$Rm),
2703 IIC_iUNAr, "revsh", "\t$Rd, $Rm",
2706 (or (srl (and GPR:$Rm, 0xFF00), (i32 8)),
2707 (shl GPR:$Rm, (i32 8))), i16))]>,
2708 Requires<[IsARM, HasV6]>;
2710 def lsl_shift_imm : SDNodeXForm<imm, [{
2711 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::lsl, N->getZExtValue());
2712 return CurDAG->getTargetConstant(Sh, MVT::i32);
2715 def lsl_amt : PatLeaf<(i32 imm), [{
2716 return (N->getZExtValue() < 32);
2719 def PKHBT : APKHI<0b01101000, 0, (outs GPR:$Rd),
2720 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2721 IIC_iALUsi, "pkhbt", "\t$Rd, $Rn, $Rm$sh",
2722 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF),
2723 (and (shl GPR:$Rm, lsl_amt:$sh),
2725 Requires<[IsARM, HasV6]>;
2727 // Alternate cases for PKHBT where identities eliminate some nodes.
2728 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (and GPR:$Rm, 0xFFFF0000)),
2729 (PKHBT GPR:$Rn, GPR:$Rm, 0)>;
2730 def : ARMV6Pat<(or (and GPR:$Rn, 0xFFFF), (shl GPR:$Rm, imm16_31:$sh)),
2731 (PKHBT GPR:$Rn, GPR:$Rm, (lsl_shift_imm imm16_31:$sh))>;
2733 def asr_shift_imm : SDNodeXForm<imm, [{
2734 unsigned Sh = ARM_AM::getSORegOpc(ARM_AM::asr, N->getZExtValue());
2735 return CurDAG->getTargetConstant(Sh, MVT::i32);
2738 def asr_amt : PatLeaf<(i32 imm), [{
2739 return (N->getZExtValue() <= 32);
2742 // Note: Shifts of 1-15 bits will be transformed to srl instead of sra and
2743 // will match the pattern below.
2744 def PKHTB : APKHI<0b01101000, 1, (outs GPR:$Rd),
2745 (ins GPR:$Rn, GPR:$Rm, shift_imm:$sh),
2746 IIC_iBITsi, "pkhtb", "\t$Rd, $Rn, $Rm$sh",
2747 [(set GPR:$Rd, (or (and GPR:$Rn, 0xFFFF0000),
2748 (and (sra GPR:$Rm, asr_amt:$sh),
2750 Requires<[IsARM, HasV6]>;
2752 // Alternate cases for PKHTB where identities eliminate some nodes. Note that
2753 // a shift amount of 0 is *not legal* here, it is PKHBT instead.
2754 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000), (srl GPR:$src2, imm16_31:$sh)),
2755 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm16_31:$sh))>;
2756 def : ARMV6Pat<(or (and GPR:$src1, 0xFFFF0000),
2757 (and (srl GPR:$src2, imm1_15:$sh), 0xFFFF)),
2758 (PKHTB GPR:$src1, GPR:$src2, (asr_shift_imm imm1_15:$sh))>;
2760 //===----------------------------------------------------------------------===//
2761 // Comparison Instructions...
2764 defm CMP : AI1_cmp_irs<0b1010, "cmp",
2765 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2766 BinOpFrag<(ARMcmp node:$LHS, node:$RHS)>>;
2768 // FIXME: We have to be careful when using the CMN instruction and comparison
2769 // with 0. One would expect these two pieces of code should give identical
2785 // However, the CMN gives the *opposite* result when r1 is 0. This is because
2786 // the carry flag is set in the CMP case but not in the CMN case. In short, the
2787 // CMP instruction doesn't perform a truncate of the (logical) NOT of 0 plus the
2788 // value of r0 and the carry bit (because the "carry bit" parameter to
2789 // AddWithCarry is defined as 1 in this case, the carry flag will always be set
2790 // when r0 >= 0). The CMN instruction doesn't perform a NOT of 0 so there is
2791 // never a "carry" when this AddWithCarry is performed (because the "carry bit"
2792 // parameter to AddWithCarry is defined as 0).
2794 // When x is 0 and unsigned:
2798 // ~x + 1 = 0x1 0000 0000
2799 // (-x = 0) != (0x1 0000 0000 = ~x + 1)
2801 // Therefore, we should disable CMN when comparing against zero, until we can
2802 // limit when the CMN instruction is used (when we know that the RHS is not 0 or
2803 // when it's a comparison which doesn't look at the 'carry' flag).
2805 // (See the ARM docs for the "AddWithCarry" pseudo-code.)
2807 // This is related to <rdar://problem/7569620>.
2809 //defm CMN : AI1_cmp_irs<0b1011, "cmn",
2810 // BinOpFrag<(ARMcmp node:$LHS,(ineg node:$RHS))>>;
2812 // Note that TST/TEQ don't set all the same flags that CMP does!
2813 defm TST : AI1_cmp_irs<0b1000, "tst",
2814 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2815 BinOpFrag<(ARMcmpZ (and node:$LHS, node:$RHS), 0)>, 1>;
2816 defm TEQ : AI1_cmp_irs<0b1001, "teq",
2817 IIC_iTSTi, IIC_iTSTr, IIC_iTSTsr,
2818 BinOpFrag<(ARMcmpZ (xor node:$LHS, node:$RHS), 0)>, 1>;
2820 defm CMPz : AI1_cmp_irs<0b1010, "cmp",
2821 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2822 BinOpFrag<(ARMcmpZ node:$LHS, node:$RHS)>>;
2823 defm CMNz : AI1_cmp_irs<0b1011, "cmn",
2824 IIC_iCMPi, IIC_iCMPr, IIC_iCMPsr,
2825 BinOpFrag<(ARMcmpZ node:$LHS,(ineg node:$RHS))>>;
2827 //def : ARMPat<(ARMcmp GPR:$src, so_imm_neg:$imm),
2828 // (CMNri GPR:$src, so_imm_neg:$imm)>;
2830 def : ARMPat<(ARMcmpZ GPR:$src, so_imm_neg:$imm),
2831 (CMNzri GPR:$src, so_imm_neg:$imm)>;
2833 // Pseudo i64 compares for some floating point compares.
2834 let usesCustomInserter = 1, isBranch = 1, isTerminator = 1,
2836 def BCCi64 : PseudoInst<(outs),
2837 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, brtarget:$dst),
2839 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, GPR:$rhs1, GPR:$rhs2, bb:$dst)]>;
2841 def BCCZi64 : PseudoInst<(outs),
2842 (ins i32imm:$cc, GPR:$lhs1, GPR:$lhs2, brtarget:$dst), IIC_Br, "",
2843 [(ARMBcci64 imm:$cc, GPR:$lhs1, GPR:$lhs2, 0, 0, bb:$dst)]>;
2844 } // usesCustomInserter
2847 // Conditional moves
2848 // FIXME: should be able to write a pattern for ARMcmov, but can't use
2849 // a two-value operand where a dag node expects two operands. :(
2850 // FIXME: These should all be pseudo-instructions that get expanded to
2851 // the normal MOV instructions. That would fix the dependency on
2852 // special casing them in tblgen.
2853 let neverHasSideEffects = 1 in {
2854 def MOVCCr : AI1<0b1101, (outs GPR:$Rd), (ins GPR:$false, GPR:$Rm), DPFrm,
2855 IIC_iCMOVr, "mov", "\t$Rd, $Rm",
2856 [/*(set GPR:$Rd, (ARMcmov GPR:$false, GPR:$Rm, imm:$cc, CCR:$ccr))*/]>,
2857 RegConstraint<"$false = $Rd">, UnaryDP {
2862 let Inst{15-12} = Rd;
2863 let Inst{11-4} = 0b00000000;
2867 def MOVCCs : AI1<0b1101, (outs GPR:$Rd),
2868 (ins GPR:$false, so_reg:$shift), DPSoRegFrm, IIC_iCMOVsr,
2869 "mov", "\t$Rd, $shift",
2870 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_reg:$shift, imm:$cc, CCR:$ccr))*/]>,
2871 RegConstraint<"$false = $Rd">, UnaryDP {
2877 let Inst{19-16} = Rn;
2878 let Inst{15-12} = Rd;
2879 let Inst{11-0} = shift;
2882 def MOVCCi16 : AI1<0b1000, (outs GPR:$Rd), (ins GPR:$false, i32imm:$imm),
2884 "movw", "\t$Rd, $imm",
2886 RegConstraint<"$false = $Rd">, Requires<[IsARM, HasV6T2]>,
2892 let Inst{19-16} = imm{15-12};
2893 let Inst{15-12} = Rd;
2894 let Inst{11-0} = imm{11-0};
2897 def MOVCCi : AI1<0b1101, (outs GPR:$Rd),
2898 (ins GPR:$false, so_imm:$imm), DPFrm, IIC_iCMOVi,
2899 "mov", "\t$Rd, $imm",
2900 [/*(set GPR:$Rd, (ARMcmov GPR:$false, so_imm:$imm, imm:$cc, CCR:$ccr))*/]>,
2901 RegConstraint<"$false = $Rd">, UnaryDP {
2906 let Inst{19-16} = 0b0000;
2907 let Inst{15-12} = Rd;
2908 let Inst{11-0} = imm;
2910 } // neverHasSideEffects
2912 //===----------------------------------------------------------------------===//
2913 // Atomic operations intrinsics
2916 def memb_opt : Operand<i32> {
2917 let PrintMethod = "printMemBOption";
2920 // memory barriers protect the atomic sequences
2921 let hasSideEffects = 1 in {
2922 def DMB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2923 "dmb", "\t$opt", [(ARMMemBarrier (i32 imm:$opt))]>,
2924 Requires<[IsARM, HasDB]> {
2926 let Inst{31-4} = 0xf57ff05;
2927 let Inst{3-0} = opt;
2930 def DMB_MCR : AInoP<(outs), (ins GPR:$zero), MiscFrm, NoItinerary,
2931 "mcr", "\tp15, 0, $zero, c7, c10, 5",
2932 [(ARMMemBarrierMCR GPR:$zero)]>,
2933 Requires<[IsARM, HasV6]> {
2934 // FIXME: add encoding
2938 def DSB : AInoP<(outs), (ins memb_opt:$opt), MiscFrm, NoItinerary,
2940 [/* For disassembly only; pattern left blank */]>,
2941 Requires<[IsARM, HasDB]> {
2943 let Inst{31-4} = 0xf57ff04;
2944 let Inst{3-0} = opt;
2947 // ISB has only full system option -- for disassembly only
2948 def ISB : AInoP<(outs), (ins), MiscFrm, NoItinerary, "isb", "", []>,
2949 Requires<[IsARM, HasDB]> {
2950 let Inst{31-4} = 0xf57ff06;
2951 let Inst{3-0} = 0b1111;
2954 let usesCustomInserter = 1 in {
2955 let Uses = [CPSR] in {
2956 def ATOMIC_LOAD_ADD_I8 : PseudoInst<
2957 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2958 [(set GPR:$dst, (atomic_load_add_8 GPR:$ptr, GPR:$incr))]>;
2959 def ATOMIC_LOAD_SUB_I8 : PseudoInst<
2960 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2961 [(set GPR:$dst, (atomic_load_sub_8 GPR:$ptr, GPR:$incr))]>;
2962 def ATOMIC_LOAD_AND_I8 : PseudoInst<
2963 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2964 [(set GPR:$dst, (atomic_load_and_8 GPR:$ptr, GPR:$incr))]>;
2965 def ATOMIC_LOAD_OR_I8 : PseudoInst<
2966 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2967 [(set GPR:$dst, (atomic_load_or_8 GPR:$ptr, GPR:$incr))]>;
2968 def ATOMIC_LOAD_XOR_I8 : PseudoInst<
2969 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2970 [(set GPR:$dst, (atomic_load_xor_8 GPR:$ptr, GPR:$incr))]>;
2971 def ATOMIC_LOAD_NAND_I8 : PseudoInst<
2972 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2973 [(set GPR:$dst, (atomic_load_nand_8 GPR:$ptr, GPR:$incr))]>;
2974 def ATOMIC_LOAD_ADD_I16 : PseudoInst<
2975 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2976 [(set GPR:$dst, (atomic_load_add_16 GPR:$ptr, GPR:$incr))]>;
2977 def ATOMIC_LOAD_SUB_I16 : PseudoInst<
2978 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2979 [(set GPR:$dst, (atomic_load_sub_16 GPR:$ptr, GPR:$incr))]>;
2980 def ATOMIC_LOAD_AND_I16 : PseudoInst<
2981 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2982 [(set GPR:$dst, (atomic_load_and_16 GPR:$ptr, GPR:$incr))]>;
2983 def ATOMIC_LOAD_OR_I16 : PseudoInst<
2984 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2985 [(set GPR:$dst, (atomic_load_or_16 GPR:$ptr, GPR:$incr))]>;
2986 def ATOMIC_LOAD_XOR_I16 : PseudoInst<
2987 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2988 [(set GPR:$dst, (atomic_load_xor_16 GPR:$ptr, GPR:$incr))]>;
2989 def ATOMIC_LOAD_NAND_I16 : PseudoInst<
2990 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2991 [(set GPR:$dst, (atomic_load_nand_16 GPR:$ptr, GPR:$incr))]>;
2992 def ATOMIC_LOAD_ADD_I32 : PseudoInst<
2993 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2994 [(set GPR:$dst, (atomic_load_add_32 GPR:$ptr, GPR:$incr))]>;
2995 def ATOMIC_LOAD_SUB_I32 : PseudoInst<
2996 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
2997 [(set GPR:$dst, (atomic_load_sub_32 GPR:$ptr, GPR:$incr))]>;
2998 def ATOMIC_LOAD_AND_I32 : PseudoInst<
2999 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3000 [(set GPR:$dst, (atomic_load_and_32 GPR:$ptr, GPR:$incr))]>;
3001 def ATOMIC_LOAD_OR_I32 : PseudoInst<
3002 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3003 [(set GPR:$dst, (atomic_load_or_32 GPR:$ptr, GPR:$incr))]>;
3004 def ATOMIC_LOAD_XOR_I32 : PseudoInst<
3005 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3006 [(set GPR:$dst, (atomic_load_xor_32 GPR:$ptr, GPR:$incr))]>;
3007 def ATOMIC_LOAD_NAND_I32 : PseudoInst<
3008 (outs GPR:$dst), (ins GPR:$ptr, GPR:$incr), NoItinerary, "",
3009 [(set GPR:$dst, (atomic_load_nand_32 GPR:$ptr, GPR:$incr))]>;
3011 def ATOMIC_SWAP_I8 : PseudoInst<
3012 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3013 [(set GPR:$dst, (atomic_swap_8 GPR:$ptr, GPR:$new))]>;
3014 def ATOMIC_SWAP_I16 : PseudoInst<
3015 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3016 [(set GPR:$dst, (atomic_swap_16 GPR:$ptr, GPR:$new))]>;
3017 def ATOMIC_SWAP_I32 : PseudoInst<
3018 (outs GPR:$dst), (ins GPR:$ptr, GPR:$new), NoItinerary, "",
3019 [(set GPR:$dst, (atomic_swap_32 GPR:$ptr, GPR:$new))]>;
3021 def ATOMIC_CMP_SWAP_I8 : PseudoInst<
3022 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3023 [(set GPR:$dst, (atomic_cmp_swap_8 GPR:$ptr, GPR:$old, GPR:$new))]>;
3024 def ATOMIC_CMP_SWAP_I16 : PseudoInst<
3025 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3026 [(set GPR:$dst, (atomic_cmp_swap_16 GPR:$ptr, GPR:$old, GPR:$new))]>;
3027 def ATOMIC_CMP_SWAP_I32 : PseudoInst<
3028 (outs GPR:$dst), (ins GPR:$ptr, GPR:$old, GPR:$new), NoItinerary, "",
3029 [(set GPR:$dst, (atomic_cmp_swap_32 GPR:$ptr, GPR:$old, GPR:$new))]>;
3033 let mayLoad = 1 in {
3034 def LDREXB : AIldrex<0b10, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3035 "ldrexb", "\t$Rt, [$Rn]",
3037 def LDREXH : AIldrex<0b11, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3038 "ldrexh", "\t$Rt, [$Rn]",
3040 def LDREX : AIldrex<0b00, (outs GPR:$Rt), (ins GPR:$Rn), NoItinerary,
3041 "ldrex", "\t$Rt, [$Rn]",
3043 def LDREXD : AIldrex<0b01, (outs GPR:$Rt, GPR:$Rt2), (ins GPR:$Rn),
3045 "ldrexd", "\t$Rt, $Rt2, [$Rn]",
3049 let mayStore = 1, Constraints = "@earlyclobber $Rd" in {
3050 def STREXB : AIstrex<0b10, (outs GPR:$Rd), (ins GPR:$src, GPR:$Rn),
3052 "strexb", "\t$Rd, $src, [$Rn]",
3054 def STREXH : AIstrex<0b11, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3056 "strexh", "\t$Rd, $Rt, [$Rn]",
3058 def STREX : AIstrex<0b00, (outs GPR:$Rd), (ins GPR:$Rt, GPR:$Rn),
3060 "strex", "\t$Rd, $Rt, [$Rn]",
3062 def STREXD : AIstrex<0b01, (outs GPR:$Rd),
3063 (ins GPR:$Rt, GPR:$Rt2, GPR:$Rn),
3065 "strexd", "\t$Rd, $Rt, $Rt2, [$Rn]",
3069 // Clear-Exclusive is for disassembly only.
3070 def CLREX : AXI<(outs), (ins), MiscFrm, NoItinerary, "clrex",
3071 [/* For disassembly only; pattern left blank */]>,
3072 Requires<[IsARM, HasV7]> {
3073 let Inst{31-0} = 0b11110101011111111111000000011111;
3076 // SWP/SWPB are deprecated in V6/V7 and for disassembly only.
3077 let mayLoad = 1 in {
3078 def SWP : AIswp<0, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swp",
3079 [/* For disassembly only; pattern left blank */]>;
3080 def SWPB : AIswp<1, (outs GPR:$Rt), (ins GPR:$Rt2, GPR:$Rn), "swpb",
3081 [/* For disassembly only; pattern left blank */]>;
3084 //===----------------------------------------------------------------------===//
3088 // __aeabi_read_tp preserves the registers r1-r3.
3089 // FIXME: This needs to be a pseudo of some sort so that we can get the
3090 // encoding right, complete with fixup for the aeabi_read_tp function.
3092 Defs = [R0, R12, LR, CPSR] in {
3093 def TPsoft : ABXI<0b1011, (outs), (ins), IIC_Br,
3094 "bl\t__aeabi_read_tp",
3095 [(set R0, ARMthread_pointer)]>;
3098 //===----------------------------------------------------------------------===//
3099 // SJLJ Exception handling intrinsics
3100 // eh_sjlj_setjmp() is an instruction sequence to store the return
3101 // address and save #0 in R0 for the non-longjmp case.
3102 // Since by its nature we may be coming from some other function to get
3103 // here, and we're using the stack frame for the containing function to
3104 // save/restore registers, we can't keep anything live in regs across
3105 // the eh_sjlj_setjmp(), else it will almost certainly have been tromped upon
3106 // when we get here from a longjmp(). We force everthing out of registers
3107 // except for our own input by listing the relevant registers in Defs. By
3108 // doing so, we also cause the prologue/epilogue code to actively preserve
3109 // all of the callee-saved resgisters, which is exactly what we want.
3110 // A constant value is passed in $val, and we use the location as a scratch.
3112 // These are pseudo-instructions and are lowered to individual MC-insts, so
3113 // no encoding information is necessary.
3115 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR, D0,
3116 D1, D2, D3, D4, D5, D6, D7, D8, D9, D10, D11, D12, D13, D14, D15,
3117 D16, D17, D18, D19, D20, D21, D22, D23, D24, D25, D26, D27, D28, D29, D30,
3118 D31 ], hasSideEffects = 1, isBarrier = 1 in {
3119 def Int_eh_sjlj_setjmp : XI<(outs), (ins GPR:$src, GPR:$val),
3120 AddrModeNone, SizeSpecial, IndexModeNone,
3121 Pseudo, NoItinerary, "", "",
3122 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3123 Requires<[IsARM, HasVFP2]>;
3127 [ R0, R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, LR ],
3128 hasSideEffects = 1, isBarrier = 1 in {
3129 def Int_eh_sjlj_setjmp_nofp : XI<(outs), (ins GPR:$src, GPR:$val),
3130 AddrModeNone, SizeSpecial, IndexModeNone,
3131 Pseudo, NoItinerary, "", "",
3132 [(set R0, (ARMeh_sjlj_setjmp GPR:$src, GPR:$val))]>,
3133 Requires<[IsARM, NoVFP]>;
3136 // FIXME: Non-Darwin version(s)
3137 let isBarrier = 1, hasSideEffects = 1, isTerminator = 1,
3138 Defs = [ R7, LR, SP ] in {
3139 def Int_eh_sjlj_longjmp : XI<(outs), (ins GPR:$src, GPR:$scratch),
3140 AddrModeNone, SizeSpecial, IndexModeNone,
3141 Pseudo, NoItinerary, "", "",
3142 [(ARMeh_sjlj_longjmp GPR:$src, GPR:$scratch)]>,
3143 Requires<[IsARM, IsDarwin]>;
3146 // eh.sjlj.dispatchsetup pseudo-instruction.
3147 // This pseudo is used for ARM, Thumb1 and Thumb2. Any differences are
3148 // handled when the pseudo is expanded (which happens before any passes
3149 // that need the instruction size).
3150 let isBarrier = 1, hasSideEffects = 1 in
3151 def Int_eh_sjlj_dispatchsetup :
3152 PseudoInst<(outs), (ins GPR:$src), NoItinerary, "",
3153 [(ARMeh_sjlj_dispatchsetup GPR:$src)]>,
3154 Requires<[IsDarwin]>;
3156 //===----------------------------------------------------------------------===//
3157 // Non-Instruction Patterns
3160 // Large immediate handling.
3162 // Two piece so_imms.
3163 // FIXME: Remove this when we can do generalized remat.
3164 let isReMaterializable = 1 in
3165 def MOVi2pieces : PseudoInst<(outs GPR:$dst), (ins so_imm2part:$src),
3167 [(set GPR:$dst, (so_imm2part:$src))]>,
3168 Requires<[IsARM, NoV6T2]>;
3170 def : ARMPat<(or GPR:$LHS, so_imm2part:$RHS),
3171 (ORRri (ORRri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3172 (so_imm2part_2 imm:$RHS))>;
3173 def : ARMPat<(xor GPR:$LHS, so_imm2part:$RHS),
3174 (EORri (EORri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3175 (so_imm2part_2 imm:$RHS))>;
3176 def : ARMPat<(add GPR:$LHS, so_imm2part:$RHS),
3177 (ADDri (ADDri GPR:$LHS, (so_imm2part_1 imm:$RHS)),
3178 (so_imm2part_2 imm:$RHS))>;
3179 def : ARMPat<(add GPR:$LHS, so_neg_imm2part:$RHS),
3180 (SUBri (SUBri GPR:$LHS, (so_neg_imm2part_1 imm:$RHS)),
3181 (so_neg_imm2part_2 imm:$RHS))>;
3183 // 32-bit immediate using movw + movt.
3184 // This is a single pseudo instruction, the benefit is that it can be remat'd
3185 // as a single unit instead of having to handle reg inputs.
3186 // FIXME: Remove this when we can do generalized remat.
3187 let isReMaterializable = 1 in
3188 def MOVi32imm : PseudoInst<(outs GPR:$dst), (ins i32imm:$src), IIC_iMOVix2, "",
3189 [(set GPR:$dst, (i32 imm:$src))]>,
3190 Requires<[IsARM, HasV6T2]>;
3192 // ConstantPool, GlobalAddress, and JumpTable
3193 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (LEApcrel tglobaladdr :$dst)>,
3194 Requires<[IsARM, DontUseMovt]>;
3195 def : ARMPat<(ARMWrapper tconstpool :$dst), (LEApcrel tconstpool :$dst)>;
3196 def : ARMPat<(ARMWrapper tglobaladdr :$dst), (MOVi32imm tglobaladdr :$dst)>,
3197 Requires<[IsARM, UseMovt]>;
3198 def : ARMPat<(ARMWrapperJT tjumptable:$dst, imm:$id),
3199 (LEApcrelJT tjumptable:$dst, imm:$id)>;
3201 // TODO: add,sub,and, 3-instr forms?
3204 def : ARMPat<(ARMtcret tcGPR:$dst),
3205 (TCRETURNri tcGPR:$dst)>, Requires<[IsDarwin]>;
3207 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3208 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3210 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3211 (TCRETURNdi texternalsym:$dst)>, Requires<[IsDarwin]>;
3213 def : ARMPat<(ARMtcret tcGPR:$dst),
3214 (TCRETURNriND tcGPR:$dst)>, Requires<[IsNotDarwin]>;
3216 def : ARMPat<(ARMtcret (i32 tglobaladdr:$dst)),
3217 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3219 def : ARMPat<(ARMtcret (i32 texternalsym:$dst)),
3220 (TCRETURNdiND texternalsym:$dst)>, Requires<[IsNotDarwin]>;
3223 def : ARMPat<(ARMcall texternalsym:$func), (BL texternalsym:$func)>,
3224 Requires<[IsARM, IsNotDarwin]>;
3225 def : ARMPat<(ARMcall texternalsym:$func), (BLr9 texternalsym:$func)>,
3226 Requires<[IsARM, IsDarwin]>;
3228 // zextload i1 -> zextload i8
3229 def : ARMPat<(zextloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3230 def : ARMPat<(zextloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3232 // extload -> zextload
3233 def : ARMPat<(extloadi1 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3234 def : ARMPat<(extloadi1 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3235 def : ARMPat<(extloadi8 addrmode_imm12:$addr), (LDRBi12 addrmode_imm12:$addr)>;
3236 def : ARMPat<(extloadi8 ldst_so_reg:$addr), (LDRBrs ldst_so_reg:$addr)>;
3238 def : ARMPat<(extloadi16 addrmode3:$addr), (LDRH addrmode3:$addr)>;
3240 def : ARMPat<(extloadi8 addrmodepc:$addr), (PICLDRB addrmodepc:$addr)>;
3241 def : ARMPat<(extloadi16 addrmodepc:$addr), (PICLDRH addrmodepc:$addr)>;
3244 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3245 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3246 (SMULBB GPR:$a, GPR:$b)>;
3247 def : ARMV5TEPat<(mul sext_16_node:$a, sext_16_node:$b),
3248 (SMULBB GPR:$a, GPR:$b)>;
3249 def : ARMV5TEPat<(mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3250 (sra GPR:$b, (i32 16))),
3251 (SMULBT GPR:$a, GPR:$b)>;
3252 def : ARMV5TEPat<(mul sext_16_node:$a, (sra GPR:$b, (i32 16))),
3253 (SMULBT GPR:$a, GPR:$b)>;
3254 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)),
3255 (sra (shl GPR:$b, (i32 16)), (i32 16))),
3256 (SMULTB GPR:$a, GPR:$b)>;
3257 def : ARMV5TEPat<(mul (sra GPR:$a, (i32 16)), sext_16_node:$b),
3258 (SMULTB GPR:$a, GPR:$b)>;
3259 def : ARMV5TEPat<(sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3261 (SMULWB GPR:$a, GPR:$b)>;
3262 def : ARMV5TEPat<(sra (mul GPR:$a, sext_16_node:$b), (i32 16)),
3263 (SMULWB GPR:$a, GPR:$b)>;
3265 def : ARMV5TEPat<(add GPR:$acc,
3266 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3267 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3268 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3269 def : ARMV5TEPat<(add GPR:$acc,
3270 (mul sext_16_node:$a, sext_16_node:$b)),
3271 (SMLABB GPR:$a, GPR:$b, GPR:$acc)>;
3272 def : ARMV5TEPat<(add GPR:$acc,
3273 (mul (sra (shl GPR:$a, (i32 16)), (i32 16)),
3274 (sra GPR:$b, (i32 16)))),
3275 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3276 def : ARMV5TEPat<(add GPR:$acc,
3277 (mul sext_16_node:$a, (sra GPR:$b, (i32 16)))),
3278 (SMLABT GPR:$a, GPR:$b, GPR:$acc)>;
3279 def : ARMV5TEPat<(add GPR:$acc,
3280 (mul (sra GPR:$a, (i32 16)),
3281 (sra (shl GPR:$b, (i32 16)), (i32 16)))),
3282 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3283 def : ARMV5TEPat<(add GPR:$acc,
3284 (mul (sra GPR:$a, (i32 16)), sext_16_node:$b)),
3285 (SMLATB GPR:$a, GPR:$b, GPR:$acc)>;
3286 def : ARMV5TEPat<(add GPR:$acc,
3287 (sra (mul GPR:$a, (sra (shl GPR:$b, (i32 16)), (i32 16))),
3289 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3290 def : ARMV5TEPat<(add GPR:$acc,
3291 (sra (mul GPR:$a, sext_16_node:$b), (i32 16))),
3292 (SMLAWB GPR:$a, GPR:$b, GPR:$acc)>;
3294 //===----------------------------------------------------------------------===//
3298 include "ARMInstrThumb.td"
3300 //===----------------------------------------------------------------------===//
3304 include "ARMInstrThumb2.td"
3306 //===----------------------------------------------------------------------===//
3307 // Floating Point Support
3310 include "ARMInstrVFP.td"
3312 //===----------------------------------------------------------------------===//
3313 // Advanced SIMD (NEON) Support
3316 include "ARMInstrNEON.td"
3318 //===----------------------------------------------------------------------===//
3319 // Coprocessor Instructions. For disassembly only.
3322 def CDP : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3323 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3324 NoItinerary, "cdp", "\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3325 [/* For disassembly only; pattern left blank */]> {
3329 def CDP2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3330 nohash_imm:$CRd, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3331 NoItinerary, "cdp2\tp$cop, $opc1, cr$CRd, cr$CRn, cr$CRm, $opc2",
3332 [/* For disassembly only; pattern left blank */]> {
3333 let Inst{31-28} = 0b1111;
3337 class ACI<dag oops, dag iops, string opc, string asm>
3338 : I<oops, iops, AddrModeNone, Size4Bytes, IndexModeNone, BrFrm, NoItinerary,
3339 opc, asm, "", [/* For disassembly only; pattern left blank */]> {
3340 let Inst{27-25} = 0b110;
3343 multiclass LdStCop<bits<4> op31_28, bit load, string opc> {
3345 def _OFFSET : ACI<(outs),
3346 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3347 opc, "\tp$cop, cr$CRd, $addr"> {
3348 let Inst{31-28} = op31_28;
3349 let Inst{24} = 1; // P = 1
3350 let Inst{21} = 0; // W = 0
3351 let Inst{22} = 0; // D = 0
3352 let Inst{20} = load;
3355 def _PRE : ACI<(outs),
3356 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3357 opc, "\tp$cop, cr$CRd, $addr!"> {
3358 let Inst{31-28} = op31_28;
3359 let Inst{24} = 1; // P = 1
3360 let Inst{21} = 1; // W = 1
3361 let Inst{22} = 0; // D = 0
3362 let Inst{20} = load;
3365 def _POST : ACI<(outs),
3366 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3367 opc, "\tp$cop, cr$CRd, [$base], $offset"> {
3368 let Inst{31-28} = op31_28;
3369 let Inst{24} = 0; // P = 0
3370 let Inst{21} = 1; // W = 1
3371 let Inst{22} = 0; // D = 0
3372 let Inst{20} = load;
3375 def _OPTION : ACI<(outs),
3376 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, i32imm:$option),
3377 opc, "\tp$cop, cr$CRd, [$base], $option"> {
3378 let Inst{31-28} = op31_28;
3379 let Inst{24} = 0; // P = 0
3380 let Inst{23} = 1; // U = 1
3381 let Inst{21} = 0; // W = 0
3382 let Inst{22} = 0; // D = 0
3383 let Inst{20} = load;
3386 def L_OFFSET : ACI<(outs),
3387 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3388 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr"> {
3389 let Inst{31-28} = op31_28;
3390 let Inst{24} = 1; // P = 1
3391 let Inst{21} = 0; // W = 0
3392 let Inst{22} = 1; // D = 1
3393 let Inst{20} = load;
3396 def L_PRE : ACI<(outs),
3397 (ins nohash_imm:$cop, nohash_imm:$CRd, addrmode2:$addr),
3398 !strconcat(opc, "l"), "\tp$cop, cr$CRd, $addr!"> {
3399 let Inst{31-28} = op31_28;
3400 let Inst{24} = 1; // P = 1
3401 let Inst{21} = 1; // W = 1
3402 let Inst{22} = 1; // D = 1
3403 let Inst{20} = load;
3406 def L_POST : ACI<(outs),
3407 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, am2offset:$offset),
3408 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $offset"> {
3409 let Inst{31-28} = op31_28;
3410 let Inst{24} = 0; // P = 0
3411 let Inst{21} = 1; // W = 1
3412 let Inst{22} = 1; // D = 1
3413 let Inst{20} = load;
3416 def L_OPTION : ACI<(outs),
3417 (ins nohash_imm:$cop, nohash_imm:$CRd, GPR:$base, nohash_imm:$option),
3418 !strconcat(opc, "l"), "\tp$cop, cr$CRd, [$base], $option"> {
3419 let Inst{31-28} = op31_28;
3420 let Inst{24} = 0; // P = 0
3421 let Inst{23} = 1; // U = 1
3422 let Inst{21} = 0; // W = 0
3423 let Inst{22} = 1; // D = 1
3424 let Inst{20} = load;
3428 defm LDC : LdStCop<{?,?,?,?}, 1, "ldc">;
3429 defm LDC2 : LdStCop<0b1111, 1, "ldc2">;
3430 defm STC : LdStCop<{?,?,?,?}, 0, "stc">;
3431 defm STC2 : LdStCop<0b1111, 0, "stc2">;
3433 def MCR : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3434 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3435 NoItinerary, "mcr", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3436 [/* For disassembly only; pattern left blank */]> {
3441 def MCR2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3442 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3443 NoItinerary, "mcr2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3444 [/* For disassembly only; pattern left blank */]> {
3445 let Inst{31-28} = 0b1111;
3450 def MRC : ABI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3451 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3452 NoItinerary, "mrc", "\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3453 [/* For disassembly only; pattern left blank */]> {
3458 def MRC2 : ABXI<0b1110, (outs), (ins nohash_imm:$cop, i32imm:$opc1,
3459 GPR:$Rt, nohash_imm:$CRn, nohash_imm:$CRm, i32imm:$opc2),
3460 NoItinerary, "mrc2\tp$cop, $opc1, $Rt, cr$CRn, cr$CRm, $opc2",
3461 [/* For disassembly only; pattern left blank */]> {
3462 let Inst{31-28} = 0b1111;
3467 def MCRR : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3468 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3469 NoItinerary, "mcrr", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3470 [/* For disassembly only; pattern left blank */]> {
3471 let Inst{23-20} = 0b0100;
3474 def MCRR2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3475 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3476 NoItinerary, "mcrr2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3477 [/* For disassembly only; pattern left blank */]> {
3478 let Inst{31-28} = 0b1111;
3479 let Inst{23-20} = 0b0100;
3482 def MRRC : ABI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3483 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3484 NoItinerary, "mrrc", "\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3485 [/* For disassembly only; pattern left blank */]> {
3486 let Inst{23-20} = 0b0101;
3489 def MRRC2 : ABXI<0b1100, (outs), (ins nohash_imm:$cop, i32imm:$opc,
3490 GPR:$Rt, GPR:$Rt2, nohash_imm:$CRm),
3491 NoItinerary, "mrrc2\tp$cop, $opc, $Rt, $Rt2, cr$CRm",
3492 [/* For disassembly only; pattern left blank */]> {
3493 let Inst{31-28} = 0b1111;
3494 let Inst{23-20} = 0b0101;
3497 //===----------------------------------------------------------------------===//
3498 // Move between special register and ARM core register -- for disassembly only
3501 def MRS : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary, "mrs", "\t$dst, cpsr",
3502 [/* For disassembly only; pattern left blank */]> {
3503 let Inst{23-20} = 0b0000;
3504 let Inst{7-4} = 0b0000;
3507 def MRSsys : ABI<0b0001,(outs GPR:$dst),(ins), NoItinerary,"mrs","\t$dst, spsr",
3508 [/* For disassembly only; pattern left blank */]> {
3509 let Inst{23-20} = 0b0100;
3510 let Inst{7-4} = 0b0000;
3513 def MSR : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3514 "msr", "\tcpsr$mask, $src",
3515 [/* For disassembly only; pattern left blank */]> {
3516 let Inst{23-20} = 0b0010;
3517 let Inst{7-4} = 0b0000;
3520 def MSRi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3521 "msr", "\tcpsr$mask, $a",
3522 [/* For disassembly only; pattern left blank */]> {
3523 let Inst{23-20} = 0b0010;
3524 let Inst{7-4} = 0b0000;
3527 def MSRsys : ABI<0b0001, (outs), (ins GPR:$src, msr_mask:$mask), NoItinerary,
3528 "msr", "\tspsr$mask, $src",
3529 [/* For disassembly only; pattern left blank */]> {
3530 let Inst{23-20} = 0b0110;
3531 let Inst{7-4} = 0b0000;
3534 def MSRsysi : ABI<0b0011, (outs), (ins so_imm:$a, msr_mask:$mask), NoItinerary,
3535 "msr", "\tspsr$mask, $a",
3536 [/* For disassembly only; pattern left blank */]> {
3537 let Inst{23-20} = 0b0110;
3538 let Inst{7-4} = 0b0000;