1 //===- MipsInstrInfo.td - Target Description for Mips 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 contains the Mips implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // Mips profiles and nodes
17 //===----------------------------------------------------------------------===//
19 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
20 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
24 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
25 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
26 def SDT_MFLOHI : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisVT<1, untyped>]>;
27 def SDT_MTLOHI : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>,
28 SDTCisInt<1>, SDTCisSameAs<1, 2>]>;
29 def SDT_MipsMultDiv : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>, SDTCisInt<1>,
31 def SDT_MipsMAddMSub : SDTypeProfile<1, 3,
32 [SDTCisVT<0, untyped>, SDTCisSameAs<0, 3>,
33 SDTCisVT<1, i32>, SDTCisSameAs<1, 2>]>;
34 def SDT_MipsDivRem16 : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>]>;
36 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
38 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
40 def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
41 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>]>;
42 def SDT_Ins : SDTypeProfile<1, 4, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
43 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
46 def SDTMipsLoadLR : SDTypeProfile<1, 2,
47 [SDTCisInt<0>, SDTCisPtrTy<1>,
51 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
52 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
56 def MipsTailCall : SDNode<"MipsISD::TailCall", SDT_MipsJmpLink,
57 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
59 // Hi and Lo nodes are used to handle global addresses. Used on
60 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
61 // static model. (nothing to do with Mips Registers Hi and Lo)
62 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
63 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
64 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
66 // TlsGd node is used to handle General Dynamic TLS
67 def MipsTlsGd : SDNode<"MipsISD::TlsGd", SDTIntUnaryOp>;
69 // TprelHi and TprelLo nodes are used to handle Local Exec TLS
70 def MipsTprelHi : SDNode<"MipsISD::TprelHi", SDTIntUnaryOp>;
71 def MipsTprelLo : SDNode<"MipsISD::TprelLo", SDTIntUnaryOp>;
74 def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
77 def MipsRet : SDNode<"MipsISD::Ret", SDTNone,
78 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
80 // These are target-independent nodes, but have target-specific formats.
81 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
82 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
83 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
84 [SDNPHasChain, SDNPSideEffect,
85 SDNPOptInGlue, SDNPOutGlue]>;
87 // Nodes used to extract LO/HI registers.
88 def MipsMFHI : SDNode<"MipsISD::MFHI", SDT_MFLOHI>;
89 def MipsMFLO : SDNode<"MipsISD::MFLO", SDT_MFLOHI>;
91 // Node used to insert 32-bit integers to LOHI register pair.
92 def MipsMTLOHI : SDNode<"MipsISD::MTLOHI", SDT_MTLOHI>;
95 def MipsMult : SDNode<"MipsISD::Mult", SDT_MipsMultDiv>;
96 def MipsMultu : SDNode<"MipsISD::Multu", SDT_MipsMultDiv>;
99 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub>;
100 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub>;
101 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub>;
102 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub>;
105 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsMultDiv>;
106 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsMultDiv>;
107 def MipsDivRem16 : SDNode<"MipsISD::DivRem16", SDT_MipsDivRem16,
109 def MipsDivRemU16 : SDNode<"MipsISD::DivRemU16", SDT_MipsDivRem16,
112 // Target constant nodes that are not part of any isel patterns and remain
113 // unchanged can cause instructions with illegal operands to be emitted.
114 // Wrapper node patterns give the instruction selector a chance to replace
115 // target constant nodes that would otherwise remain unchanged with ADDiu
116 // nodes. Without these wrapper node patterns, the following conditional move
117 // instruction is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
119 // movn %got(d)($gp), %got(c)($gp), $4
120 // This instruction is illegal since movn can take only register operands.
122 def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
124 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
126 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
127 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
129 def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
130 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
131 def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
132 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
133 def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
134 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
135 def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
136 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
137 def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
138 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
139 def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
140 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
141 def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
142 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
143 def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
144 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
146 //===----------------------------------------------------------------------===//
147 // Mips Instruction Predicate Definitions.
148 //===----------------------------------------------------------------------===//
149 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">,
150 AssemblerPredicate<"FeatureSEInReg">;
151 def HasBitCount : Predicate<"Subtarget.hasBitCount()">,
152 AssemblerPredicate<"FeatureBitCount">;
153 def HasSwap : Predicate<"Subtarget.hasSwap()">,
154 AssemblerPredicate<"FeatureSwap">;
155 def HasCondMov : Predicate<"Subtarget.hasCondMov()">,
156 AssemblerPredicate<"FeatureCondMov">;
157 def HasFPIdx : Predicate<"Subtarget.hasFPIdx()">,
158 AssemblerPredicate<"FeatureFPIdx">;
159 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
160 AssemblerPredicate<"FeatureMips32">;
161 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
162 AssemblerPredicate<"FeatureMips32r2">;
163 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
164 AssemblerPredicate<"FeatureGP64Bit">;
165 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
166 AssemblerPredicate<"!FeatureGP64Bit">;
167 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
168 AssemblerPredicate<"FeatureMips64">;
169 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
170 AssemblerPredicate<"!FeatureGP64Bit">;
171 def IsGP64 : Predicate<"Subtarget.isGP64()">,
172 AssemblerPredicate<"FeatureGP64Bit">;
173 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
174 AssemblerPredicate<"FeatureMips64r2">;
175 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
176 AssemblerPredicate<"FeatureN64">;
177 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
178 AssemblerPredicate<"FeatureMips16">;
179 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
180 AssemblerPredicate<"FeatureCnMips">;
181 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
182 AssemblerPredicate<"FeatureMips32">;
183 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
184 AssemblerPredicate<"FeatureMips32">;
185 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
186 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
187 AssemblerPredicate<"!FeatureMips16">;
188 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
189 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
190 AssemblerPredicate<"FeatureMicroMips">;
191 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
192 AssemblerPredicate<"!FeatureMicroMips">;
193 def IsLE : Predicate<"Subtarget.isLittle()">;
194 def IsBE : Predicate<"!Subtarget.isLittle()">;
195 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
197 class MipsPat<dag pattern, dag result> : Pat<pattern, result> {
198 let Predicates = [HasStdEnc];
202 bit isCommutable = 1;
219 bit isTerminator = 1;
222 bit hasExtraSrcRegAllocReq = 1;
223 bit isCodeGenOnly = 1;
226 class IsAsCheapAsAMove {
227 bit isAsCheapAsAMove = 1;
230 class NeverHasSideEffects {
231 bit neverHasSideEffects = 1;
234 //===----------------------------------------------------------------------===//
235 // Instruction format superclass
236 //===----------------------------------------------------------------------===//
238 include "MipsInstrFormats.td"
240 //===----------------------------------------------------------------------===//
241 // Mips Operand, Complex Patterns and Transformations Definitions.
242 //===----------------------------------------------------------------------===//
244 def MipsJumpTargetAsmOperand : AsmOperandClass {
245 let Name = "JumpTarget";
246 let ParserMethod = "ParseJumpTarget";
247 let PredicateMethod = "isImm";
248 let RenderMethod = "addImmOperands";
251 // Instruction operand types
252 def jmptarget : Operand<OtherVT> {
253 let EncoderMethod = "getJumpTargetOpValue";
254 let ParserMatchClass = MipsJumpTargetAsmOperand;
256 def brtarget : Operand<OtherVT> {
257 let EncoderMethod = "getBranchTargetOpValue";
258 let OperandType = "OPERAND_PCREL";
259 let DecoderMethod = "DecodeBranchTarget";
260 let ParserMatchClass = MipsJumpTargetAsmOperand;
262 def calltarget : Operand<iPTR> {
263 let EncoderMethod = "getJumpTargetOpValue";
264 let ParserMatchClass = MipsJumpTargetAsmOperand;
267 def simm10 : Operand<i32>;
269 def simm16 : Operand<i32> {
270 let DecoderMethod= "DecodeSimm16";
273 def simm20 : Operand<i32> {
276 def uimm20 : Operand<i32> {
279 def uimm10 : Operand<i32> {
282 def simm16_64 : Operand<i64> {
283 let DecoderMethod = "DecodeSimm16";
287 def uimmz : Operand<i32> {
288 let PrintMethod = "printUnsignedImm";
292 def uimm5 : Operand<i32> {
293 let PrintMethod = "printUnsignedImm";
296 def uimm6 : Operand<i32> {
297 let PrintMethod = "printUnsignedImm";
300 def uimm16 : Operand<i32> {
301 let PrintMethod = "printUnsignedImm";
304 def pcrel16 : Operand<i32> {
307 def MipsMemAsmOperand : AsmOperandClass {
309 let ParserMethod = "parseMemOperand";
312 def MipsInvertedImmoperand : AsmOperandClass {
314 let RenderMethod = "addImmOperands";
315 let ParserMethod = "parseInvNum";
318 def InvertedImOperand : Operand<i32> {
319 let ParserMatchClass = MipsInvertedImmoperand;
322 class mem_generic : Operand<iPTR> {
323 let PrintMethod = "printMemOperand";
324 let MIOperandInfo = (ops ptr_rc, simm16);
325 let EncoderMethod = "getMemEncoding";
326 let ParserMatchClass = MipsMemAsmOperand;
327 let OperandType = "OPERAND_MEMORY";
331 def mem : mem_generic;
333 // MSA specific address operand
334 def mem_msa : mem_generic {
335 let MIOperandInfo = (ops ptr_rc, simm10);
336 let EncoderMethod = "getMSAMemEncoding";
339 def mem_ea : Operand<iPTR> {
340 let PrintMethod = "printMemOperandEA";
341 let MIOperandInfo = (ops ptr_rc, simm16);
342 let EncoderMethod = "getMemEncoding";
343 let OperandType = "OPERAND_MEMORY";
346 def PtrRC : Operand<iPTR> {
347 let MIOperandInfo = (ops ptr_rc);
348 let DecoderMethod = "DecodePtrRegisterClass";
349 let ParserMatchClass = GPR32AsmOperand;
352 // size operand of ext instruction
353 def size_ext : Operand<i32> {
354 let EncoderMethod = "getSizeExtEncoding";
355 let DecoderMethod = "DecodeExtSize";
358 // size operand of ins instruction
359 def size_ins : Operand<i32> {
360 let EncoderMethod = "getSizeInsEncoding";
361 let DecoderMethod = "DecodeInsSize";
364 // Transformation Function - get the lower 16 bits.
365 def LO16 : SDNodeXForm<imm, [{
366 return getImm(N, N->getZExtValue() & 0xFFFF);
369 // Transformation Function - get the higher 16 bits.
370 def HI16 : SDNodeXForm<imm, [{
371 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
375 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
377 // Node immediate is zero (e.g. insve.d)
378 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
380 // Node immediate fits as 16-bit sign extended on target immediate.
382 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
384 // Node immediate fits as 16-bit sign extended on target immediate.
386 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
388 // Node immediate fits as 15-bit sign extended on target immediate.
390 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
392 // Node immediate fits as 16-bit zero extended on target immediate.
393 // The LO16 param means that only the lower 16 bits of the node
394 // immediate are caught.
396 def immZExt16 : PatLeaf<(imm), [{
397 if (N->getValueType(0) == MVT::i32)
398 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
400 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
403 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
404 def immLow16Zero : PatLeaf<(imm), [{
405 int64_t Val = N->getSExtValue();
406 return isInt<32>(Val) && !(Val & 0xffff);
409 // shamt field must fit in 5 bits.
410 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
412 // True if (N + 1) fits in 16-bit field.
413 def immSExt16Plus1 : PatLeaf<(imm), [{
414 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
417 // Mips Address Mode! SDNode frameindex could possibily be a match
418 // since load and store instructions from stack used it.
420 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
423 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
426 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
429 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
431 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
433 //===----------------------------------------------------------------------===//
434 // Instructions specific format
435 //===----------------------------------------------------------------------===//
437 // Arithmetic and logical instructions with 3 register operands.
438 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
439 InstrItinClass Itin = NoItinerary,
440 SDPatternOperator OpNode = null_frag>:
441 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
442 !strconcat(opstr, "\t$rd, $rs, $rt"),
443 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
444 let isCommutable = isComm;
445 let isReMaterializable = 1;
446 let TwoOperandAliasConstraint = "$rd = $rs";
449 // Arithmetic and logical instructions with 2 register operands.
450 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
451 InstrItinClass Itin = NoItinerary,
452 SDPatternOperator imm_type = null_frag,
453 SDPatternOperator OpNode = null_frag> :
454 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
455 !strconcat(opstr, "\t$rt, $rs, $imm16"),
456 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
458 let isReMaterializable = 1;
459 let TwoOperandAliasConstraint = "$rs = $rt";
462 // Arithmetic Multiply ADD/SUB
463 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
464 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
465 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
466 let Defs = [HI0, LO0];
467 let Uses = [HI0, LO0];
468 let isCommutable = isComm;
472 class LogicNOR<string opstr, RegisterOperand RO>:
473 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
474 !strconcat(opstr, "\t$rd, $rs, $rt"),
475 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
476 let isCommutable = 1;
480 class shift_rotate_imm<string opstr, Operand ImmOpnd,
481 RegisterOperand RO, InstrItinClass itin,
482 SDPatternOperator OpNode = null_frag,
483 SDPatternOperator PF = null_frag> :
484 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
485 !strconcat(opstr, "\t$rd, $rt, $shamt"),
486 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr>;
488 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
489 SDPatternOperator OpNode = null_frag>:
490 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
491 !strconcat(opstr, "\t$rd, $rt, $rs"),
492 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
495 // Load Upper Imediate
496 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
497 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
498 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
499 let neverHasSideEffects = 1;
500 let isReMaterializable = 1;
504 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
505 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
506 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
507 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
508 let DecoderMethod = "DecodeMem";
509 let canFoldAsLoad = 1;
513 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
514 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
515 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
516 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
517 let DecoderMethod = "DecodeMem";
521 // Load/Store Left/Right
522 let canFoldAsLoad = 1 in
523 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
524 InstrItinClass Itin> :
525 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
526 !strconcat(opstr, "\t$rt, $addr"),
527 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
528 let DecoderMethod = "DecodeMem";
529 string Constraints = "$src = $rt";
532 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
533 InstrItinClass Itin> :
534 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
535 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
536 let DecoderMethod = "DecodeMem";
539 // Conditional Branch
540 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
541 RegisterOperand RO> :
542 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
543 !strconcat(opstr, "\t$rs, $rt, $offset"),
544 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
547 let isTerminator = 1;
548 let hasDelaySlot = 1;
552 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
553 RegisterOperand RO> :
554 InstSE<(outs), (ins RO:$rs, opnd:$offset),
555 !strconcat(opstr, "\t$rs, $offset"),
556 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
559 let isTerminator = 1;
560 let hasDelaySlot = 1;
565 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
566 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
567 !strconcat(opstr, "\t$rd, $rs, $rt"),
568 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
569 II_SLT_SLTU, FrmR, opstr>;
571 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
573 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
574 !strconcat(opstr, "\t$rt, $rs, $imm16"),
575 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
576 II_SLTI_SLTIU, FrmI, opstr>;
579 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
580 SDPatternOperator targetoperator, string bopstr> :
581 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
582 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
585 let hasDelaySlot = 1;
586 let DecoderMethod = "DecodeJumpTarget";
590 // Unconditional branch
591 class UncondBranch<Instruction BEQInst> :
592 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
593 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
595 let isTerminator = 1;
597 let hasDelaySlot = 1;
598 let Predicates = [RelocPIC, HasStdEnc];
602 // Base class for indirect branch and return instruction classes.
603 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
604 class JumpFR<string opstr, RegisterOperand RO,
605 SDPatternOperator operator = null_frag>:
606 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
610 class IndirectBranch<string opstr, RegisterOperand RO> :
611 JumpFR<opstr, RO, brind> {
613 let isIndirectBranch = 1;
616 // Return instruction
617 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
619 let isCodeGenOnly = 1;
621 let hasExtraSrcRegAllocReq = 1;
624 // Jump and Link (Call)
625 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
626 class JumpLink<string opstr, DAGOperand opnd> :
627 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
628 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
629 let DecoderMethod = "DecodeJumpTarget";
632 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
633 Register RetReg, RegisterOperand ResRO = RO>:
634 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
635 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
637 class JumpLinkReg<string opstr, RegisterOperand RO>:
638 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
641 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
642 InstSE<(outs), (ins RO:$rs, opnd:$offset),
643 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
647 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
648 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
649 class TailCall<Instruction JumpInst> :
650 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
651 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
653 class TailCallReg<RegisterOperand RO, Instruction JRInst,
654 RegisterOperand ResRO = RO> :
655 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
656 PseudoInstExpansion<(JRInst ResRO:$rs)>;
659 class BAL_BR_Pseudo<Instruction RealInst> :
660 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
661 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
663 let isTerminator = 1;
665 let hasDelaySlot = 1;
670 class SYS_FT<string opstr> :
671 InstSE<(outs), (ins uimm20:$code_),
672 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
674 class BRK_FT<string opstr> :
675 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
676 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
680 class ER_FT<string opstr> :
681 InstSE<(outs), (ins),
682 opstr, [], NoItinerary, FrmOther, opstr>;
685 class DEI_FT<string opstr, RegisterOperand RO> :
686 InstSE<(outs RO:$rt), (ins),
687 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
690 class WAIT_FT<string opstr> :
691 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
694 let hasSideEffects = 1 in
695 class SYNC_FT<string opstr> :
696 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
697 NoItinerary, FrmOther, opstr>;
699 let hasSideEffects = 1 in
700 class TEQ_FT<string opstr, RegisterOperand RO> :
701 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
702 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
705 class TEQI_FT<string opstr, RegisterOperand RO> :
706 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
707 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
709 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
710 list<Register> DefRegs> :
711 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
713 let isCommutable = 1;
715 let neverHasSideEffects = 1;
718 // Pseudo multiply/divide instruction with explicit accumulator register
720 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
721 SDPatternOperator OpNode, InstrItinClass Itin,
722 bit IsComm = 1, bit HasSideEffects = 0,
723 bit UsesCustomInserter = 0> :
724 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
725 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
726 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
727 let isCommutable = IsComm;
728 let hasSideEffects = HasSideEffects;
729 let usesCustomInserter = UsesCustomInserter;
732 // Pseudo multiply add/sub instruction with explicit accumulator register
734 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
736 : PseudoSE<(outs ACC64:$ac),
737 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
739 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
741 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
742 string Constraints = "$acin = $ac";
745 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
746 list<Register> DefRegs> :
747 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
748 [], itin, FrmR, opstr> {
753 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
754 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
755 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
757 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
758 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
761 let neverHasSideEffects = 1;
764 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
765 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
766 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
769 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
770 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
773 let neverHasSideEffects = 1;
776 class EffectiveAddress<string opstr, RegisterOperand RO> :
777 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
778 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
779 !strconcat(opstr, "_lea")> {
780 let isCodeGenOnly = 1;
781 let DecoderMethod = "DecodeMem";
784 // Count Leading Ones/Zeros in Word
785 class CountLeading0<string opstr, RegisterOperand RO>:
786 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
787 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>,
788 Requires<[HasBitCount, HasStdEnc]>;
790 class CountLeading1<string opstr, RegisterOperand RO>:
791 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
792 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>,
793 Requires<[HasBitCount, HasStdEnc]>;
795 // Sign Extend in Register.
796 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
797 InstrItinClass itin> :
798 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
799 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr> {
800 let Predicates = [HasSEInReg, HasStdEnc];
804 class SubwordSwap<string opstr, RegisterOperand RO>:
805 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
806 NoItinerary, FrmR, opstr> {
807 let Predicates = [HasSwap, HasStdEnc];
808 let neverHasSideEffects = 1;
812 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
813 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
817 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
818 SDPatternOperator Op = null_frag>:
819 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
820 !strconcat(opstr, " $rt, $rs, $pos, $size"),
821 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
823 let Predicates = [HasMips32r2, HasStdEnc];
826 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
827 SDPatternOperator Op = null_frag>:
828 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
829 !strconcat(opstr, " $rt, $rs, $pos, $size"),
830 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
831 NoItinerary, FrmR, opstr> {
832 let Predicates = [HasMips32r2, HasStdEnc];
833 let Constraints = "$src = $rt";
836 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
837 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
838 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
839 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
841 // Atomic Compare & Swap.
842 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
843 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
844 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
846 class LLBase<string opstr, RegisterOperand RO> :
847 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
848 [], NoItinerary, FrmI> {
849 let DecoderMethod = "DecodeMem";
853 class SCBase<string opstr, RegisterOperand RO> :
854 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
855 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
856 let DecoderMethod = "DecodeMem";
858 let Constraints = "$rt = $dst";
861 class MFC3OP<string asmstr, RegisterOperand RO> :
862 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
863 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
865 class TrapBase<Instruction RealInst>
866 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
867 PseudoInstExpansion<(RealInst 0, 0)> {
869 let isTerminator = 1;
870 let isCodeGenOnly = 1;
873 //===----------------------------------------------------------------------===//
874 // Pseudo instructions
875 //===----------------------------------------------------------------------===//
878 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
879 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
881 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
882 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
883 [(callseq_start timm:$amt)]>;
884 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
885 [(callseq_end timm:$amt1, timm:$amt2)]>;
888 let usesCustomInserter = 1 in {
889 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
890 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
891 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
892 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
893 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
894 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
895 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
896 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
897 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
898 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
899 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
900 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
901 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
902 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
903 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
904 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
905 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
906 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
908 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
909 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
910 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
912 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
913 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
914 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
917 /// Pseudo instructions for loading and storing accumulator registers.
918 let isPseudo = 1, isCodeGenOnly = 1 in {
919 def LOAD_ACC64 : Load<"", ACC64>;
920 def STORE_ACC64 : Store<"", ACC64>;
923 //===----------------------------------------------------------------------===//
924 // Instruction definition
925 //===----------------------------------------------------------------------===//
926 //===----------------------------------------------------------------------===//
927 // MipsI Instructions
928 //===----------------------------------------------------------------------===//
930 /// Arithmetic Instructions (ALU Immediate)
931 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
933 ADDI_FM<0x9>, IsAsCheapAsAMove;
934 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
935 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
937 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
939 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
942 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
945 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
948 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
950 /// Arithmetic Instructions (3-Operand, R-Type)
951 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
953 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
955 let Defs = [HI0, LO0] in
956 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
958 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
959 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
960 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
961 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
962 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
964 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
966 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
968 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
970 /// Shift Instructions
971 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
972 immZExt5>, SRA_FM<0, 0>;
973 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
974 immZExt5>, SRA_FM<2, 0>;
975 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
976 immZExt5>, SRA_FM<3, 0>;
977 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
979 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
981 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
984 // Rotate Instructions
985 let Predicates = [HasMips32r2, HasStdEnc] in {
986 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
987 immZExt5>, SRA_FM<2, 1>;
988 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
992 /// Load and Store Instructions
994 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
995 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
997 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
999 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1000 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1002 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1003 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1004 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1006 /// load/store left/right
1007 let Predicates = [NotInMicroMips] in {
1008 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1009 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1010 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1011 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1014 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1015 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1016 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1017 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1018 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1019 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1020 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1022 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>;
1023 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>;
1024 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>;
1025 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>;
1026 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>;
1027 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>;
1029 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1030 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1031 def TRAP : TrapBase<BREAK>;
1033 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>;
1034 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1036 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1037 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1039 let Predicates = [NotInMicroMips] in {
1040 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1042 /// Load-linked, Store-conditional
1043 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>;
1044 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>;
1047 /// Jump and Branch Instructions
1048 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1049 Requires<[RelocStatic, HasStdEnc]>, IsBranch;
1050 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1051 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1052 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1053 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1055 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1057 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1059 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1061 def B : UncondBranch<BEQ>;
1063 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1064 let Predicates = [NotInMicroMips, HasStdEnc] in {
1065 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1066 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1068 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1069 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1070 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1071 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1072 def TAILCALL : TailCall<J>;
1073 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1075 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1077 // Exception handling related node and instructions.
1078 // The conversion sequence is:
1079 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1080 // MIPSeh_return -> (stack change + indirect branch)
1082 // MIPSeh_return takes the place of regular return instruction
1083 // but takes two arguments (V1, V0) which are used for storing
1084 // the offset and return address respectively.
1085 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1087 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1088 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1090 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1091 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1092 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1093 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1095 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1098 /// Multiply and Divide Instructions.
1099 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1101 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1103 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1105 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1108 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1109 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1110 let Predicates = [NotInMicroMips] in {
1111 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1112 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1115 /// Sign Ext In Register Instructions.
1116 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM<0x10, 0x20>;
1117 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM<0x18, 0x20>;
1120 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>;
1121 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>;
1123 /// Word Swap Bytes Within Halfwords
1124 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>;
1127 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1129 // FrameIndexes are legalized when they are operands from load/store
1130 // instructions. The same not happens for stack address copies, so an
1131 // add op with mem ComplexPattern is used and the stack address copy
1132 // can be matched. It's similar to Sparc LEA_ADDRi
1133 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1136 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>;
1137 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1138 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1139 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
1141 let Predicates = [HasStdEnc, NotDSP] in {
1142 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1143 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1144 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1145 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1146 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1147 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1148 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1149 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1150 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1153 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1155 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1158 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1160 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1161 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1163 /// Move Control Registers From/To CPU Registers
1164 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1165 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1166 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1167 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1169 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1171 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1172 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1173 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, Requires<[HasMips32r2]>;
1175 //===----------------------------------------------------------------------===//
1176 // Instruction aliases
1177 //===----------------------------------------------------------------------===//
1178 def : InstAlias<"move $dst, $src",
1179 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1180 Requires<[IsGP32, NotInMicroMips]>;
1181 def : InstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1182 def : InstAlias<"addu $rs, $rt, $imm",
1183 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1184 def : InstAlias<"add $rs, $rt, $imm",
1185 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1186 def : InstAlias<"and $rs, $rt, $imm",
1187 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1188 def : InstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1189 let Predicates = [NotInMicroMips] in {
1190 def : InstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1192 def : InstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1193 def : InstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1194 def : InstAlias<"not $rt, $rs",
1195 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1196 def : InstAlias<"neg $rt, $rs",
1197 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1198 def : InstAlias<"negu $rt, $rs",
1199 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1200 def : InstAlias<"slt $rs, $rt, $imm",
1201 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1202 def : InstAlias<"xor $rs, $rt, $imm",
1203 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1204 def : InstAlias<"or $rs, $rt, $imm",
1205 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1206 def : InstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1207 def : InstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1208 def : InstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1209 def : InstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1210 def : InstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1211 def : InstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1212 def : InstAlias<"bnez $rs,$offset",
1213 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1214 def : InstAlias<"beqz $rs,$offset",
1215 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1216 def : InstAlias<"syscall", (SYSCALL 0), 1>;
1218 def : InstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1219 def : InstAlias<"break", (BREAK 0, 0), 1>;
1220 def : InstAlias<"ei", (EI ZERO), 1>;
1221 def : InstAlias<"di", (DI ZERO), 1>;
1223 def : InstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1224 def : InstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1225 def : InstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1226 def : InstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1227 def : InstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1228 def : InstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1229 def : InstAlias<"sub, $rd, $rs, $imm",
1230 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1231 def : InstAlias<"subu, $rd, $rs, $imm",
1232 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1234 //===----------------------------------------------------------------------===//
1235 // Assembler Pseudo Instructions
1236 //===----------------------------------------------------------------------===//
1238 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1239 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1240 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1241 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1243 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1244 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1245 !strconcat(instr_asm, "\t$rt, $addr")> ;
1246 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1248 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1249 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1250 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1251 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1253 //===----------------------------------------------------------------------===//
1254 // Arbitrary patterns that map to one or more instructions
1255 //===----------------------------------------------------------------------===//
1257 // Load/store pattern templates.
1258 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1259 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1261 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1262 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1265 def : MipsPat<(i32 immSExt16:$in),
1266 (ADDiu ZERO, imm:$in)>;
1267 def : MipsPat<(i32 immZExt16:$in),
1268 (ORi ZERO, imm:$in)>;
1269 def : MipsPat<(i32 immLow16Zero:$in),
1270 (LUi (HI16 imm:$in))>;
1272 // Arbitrary immediates
1273 def : MipsPat<(i32 imm:$imm),
1274 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1276 // Carry MipsPatterns
1277 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1278 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1279 let Predicates = [HasStdEnc, NotDSP] in {
1280 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1281 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1282 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1283 (ADDiu GPR32:$src, imm:$imm)>;
1287 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1288 (JAL tglobaladdr:$dst)>;
1289 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1290 (JAL texternalsym:$dst)>;
1291 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1292 // (JALR GPR32:$dst)>;
1295 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1296 (TAILCALL tglobaladdr:$dst)>;
1297 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1298 (TAILCALL texternalsym:$dst)>;
1300 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1301 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1302 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1303 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1304 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1305 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1307 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1308 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1309 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1310 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1311 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1312 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1314 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1315 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1316 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1317 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1318 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1319 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1320 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1321 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1322 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1323 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1326 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1327 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1328 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1329 (ADDiu GPR32:$gp, tconstpool:$in)>;
1332 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1333 MipsPat<(MipsWrapper RC:$gp, node:$in),
1334 (ADDiuOp RC:$gp, node:$in)>;
1336 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1337 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1338 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1339 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1340 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1341 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1343 // Mips does not have "not", so we expand our way
1344 def : MipsPat<(not GPR32:$in),
1345 (NOR GPR32Opnd:$in, ZERO)>;
1348 let Predicates = [HasStdEnc] in {
1349 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1350 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1351 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1355 let Predicates = [HasStdEnc] in
1356 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1359 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1360 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1361 Instruction SLTiuOp, Register ZEROReg> {
1362 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1363 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1364 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1365 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1367 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1368 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1369 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1370 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1371 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1372 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1373 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1374 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1375 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1376 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1377 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1378 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1380 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1381 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1382 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1383 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1385 def : MipsPat<(brcond RC:$cond, bb:$dst),
1386 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1389 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1391 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1392 (BLEZ i32:$lhs, bb:$dst)>;
1393 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1394 (BGEZ i32:$lhs, bb:$dst)>;
1397 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1398 Instruction SLTuOp, Register ZEROReg> {
1399 def : MipsPat<(seteq RC:$lhs, 0),
1400 (SLTiuOp RC:$lhs, 1)>;
1401 def : MipsPat<(setne RC:$lhs, 0),
1402 (SLTuOp ZEROReg, RC:$lhs)>;
1403 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1404 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1405 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1406 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1409 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1410 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1411 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1412 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1413 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1416 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1417 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1418 (SLTOp RC:$rhs, RC:$lhs)>;
1419 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1420 (SLTuOp RC:$rhs, RC:$lhs)>;
1423 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1424 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1425 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1426 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1427 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1430 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1431 Instruction SLTiuOp> {
1432 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1433 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1434 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1435 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1438 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1439 defm : SetlePats<GPR32, SLT, SLTu>;
1440 defm : SetgtPats<GPR32, SLT, SLTu>;
1441 defm : SetgePats<GPR32, SLT, SLTu>;
1442 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1445 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1447 // Load halfword/word patterns.
1448 let AddedComplexity = 40 in {
1449 let Predicates = [HasStdEnc] in {
1450 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1451 def : LoadRegImmPat<LH, i32, sextloadi16>;
1452 def : LoadRegImmPat<LW, i32, load>;
1456 //===----------------------------------------------------------------------===//
1457 // Floating Point Support
1458 //===----------------------------------------------------------------------===//
1460 include "MipsInstrFPU.td"
1461 include "Mips64InstrInfo.td"
1462 include "MipsCondMov.td"
1467 include "Mips16InstrFormats.td"
1468 include "Mips16InstrInfo.td"
1471 include "MipsDSPInstrFormats.td"
1472 include "MipsDSPInstrInfo.td"
1475 include "MipsMSAInstrFormats.td"
1476 include "MipsMSAInstrInfo.td"
1479 include "MicroMipsInstrFormats.td"
1480 include "MicroMipsInstrInfo.td"
1481 include "MicroMipsInstrFPU.td"