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 HasMips2 : Predicate<"Subtarget.hasMips2()">,
160 AssemblerPredicate<"FeatureMips2">;
161 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
162 AssemblerPredicate<"FeatureMips32">;
163 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
164 AssemblerPredicate<"FeatureMips32r2">;
165 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
166 AssemblerPredicate<"FeatureGP64Bit">;
167 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
168 AssemblerPredicate<"!FeatureGP64Bit">;
169 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
170 AssemblerPredicate<"FeatureMips64">;
171 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
172 AssemblerPredicate<"!FeatureGP64Bit">;
173 def IsGP64 : Predicate<"Subtarget.isGP64()">,
174 AssemblerPredicate<"FeatureGP64Bit">;
175 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
176 AssemblerPredicate<"FeatureMips64r2">;
177 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
178 AssemblerPredicate<"FeatureN64">;
179 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
180 AssemblerPredicate<"FeatureMips16">;
181 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
182 AssemblerPredicate<"FeatureCnMips">;
183 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
184 AssemblerPredicate<"FeatureMips32">;
185 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
186 AssemblerPredicate<"FeatureMips32">;
187 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
188 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
189 AssemblerPredicate<"!FeatureMips16">;
190 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
191 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
192 AssemblerPredicate<"FeatureMicroMips">;
193 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
194 AssemblerPredicate<"!FeatureMicroMips">;
195 def IsLE : Predicate<"Subtarget.isLittle()">;
196 def IsBE : Predicate<"!Subtarget.isLittle()">;
197 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
199 //===----------------------------------------------------------------------===//
200 // Mips GPR size adjectives.
201 // They are mutually exclusive.
202 //===----------------------------------------------------------------------===//
204 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
206 //===----------------------------------------------------------------------===//
207 // Mips ISA/ASE membership and instruction group membership adjectives.
208 // They are mutually exclusive.
209 //===----------------------------------------------------------------------===//
211 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
212 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
213 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
215 class INSN_SWAP { list<Predicate> InsnPredicates = [HasSwap]; }
216 class INSN_SEINREG { list<Predicate> InsnPredicates = [HasSEInReg]; }
218 //===----------------------------------------------------------------------===//
220 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
221 let EncodingPredicates = [HasStdEnc];
225 bit isCommutable = 1;
242 bit isTerminator = 1;
245 bit hasExtraSrcRegAllocReq = 1;
246 bit isCodeGenOnly = 1;
249 class IsAsCheapAsAMove {
250 bit isAsCheapAsAMove = 1;
253 class NeverHasSideEffects {
254 bit neverHasSideEffects = 1;
257 //===----------------------------------------------------------------------===//
258 // Instruction format superclass
259 //===----------------------------------------------------------------------===//
261 include "MipsInstrFormats.td"
263 //===----------------------------------------------------------------------===//
264 // Mips Operand, Complex Patterns and Transformations Definitions.
265 //===----------------------------------------------------------------------===//
267 def MipsJumpTargetAsmOperand : AsmOperandClass {
268 let Name = "JumpTarget";
269 let ParserMethod = "ParseJumpTarget";
270 let PredicateMethod = "isImm";
271 let RenderMethod = "addImmOperands";
274 // Instruction operand types
275 def jmptarget : Operand<OtherVT> {
276 let EncoderMethod = "getJumpTargetOpValue";
277 let ParserMatchClass = MipsJumpTargetAsmOperand;
279 def brtarget : Operand<OtherVT> {
280 let EncoderMethod = "getBranchTargetOpValue";
281 let OperandType = "OPERAND_PCREL";
282 let DecoderMethod = "DecodeBranchTarget";
283 let ParserMatchClass = MipsJumpTargetAsmOperand;
285 def calltarget : Operand<iPTR> {
286 let EncoderMethod = "getJumpTargetOpValue";
287 let ParserMatchClass = MipsJumpTargetAsmOperand;
290 def simm10 : Operand<i32>;
292 def simm16 : Operand<i32> {
293 let DecoderMethod= "DecodeSimm16";
296 def simm20 : Operand<i32> {
299 def uimm20 : Operand<i32> {
302 def uimm10 : Operand<i32> {
305 def simm16_64 : Operand<i64> {
306 let DecoderMethod = "DecodeSimm16";
310 def uimmz : Operand<i32> {
311 let PrintMethod = "printUnsignedImm";
315 def uimm5 : Operand<i32> {
316 let PrintMethod = "printUnsignedImm";
319 def uimm6 : Operand<i32> {
320 let PrintMethod = "printUnsignedImm";
323 def uimm16 : Operand<i32> {
324 let PrintMethod = "printUnsignedImm";
327 def pcrel16 : Operand<i32> {
330 def MipsMemAsmOperand : AsmOperandClass {
332 let ParserMethod = "parseMemOperand";
335 def MipsInvertedImmoperand : AsmOperandClass {
337 let RenderMethod = "addImmOperands";
338 let ParserMethod = "parseInvNum";
341 def InvertedImOperand : Operand<i32> {
342 let ParserMatchClass = MipsInvertedImmoperand;
345 def InvertedImOperand64 : Operand<i64> {
346 let ParserMatchClass = MipsInvertedImmoperand;
349 class mem_generic : Operand<iPTR> {
350 let PrintMethod = "printMemOperand";
351 let MIOperandInfo = (ops ptr_rc, simm16);
352 let EncoderMethod = "getMemEncoding";
353 let ParserMatchClass = MipsMemAsmOperand;
354 let OperandType = "OPERAND_MEMORY";
358 def mem : mem_generic;
360 // MSA specific address operand
361 def mem_msa : mem_generic {
362 let MIOperandInfo = (ops ptr_rc, simm10);
363 let EncoderMethod = "getMSAMemEncoding";
366 def mem_ea : Operand<iPTR> {
367 let PrintMethod = "printMemOperandEA";
368 let MIOperandInfo = (ops ptr_rc, simm16);
369 let EncoderMethod = "getMemEncoding";
370 let OperandType = "OPERAND_MEMORY";
373 def PtrRC : Operand<iPTR> {
374 let MIOperandInfo = (ops ptr_rc);
375 let DecoderMethod = "DecodePtrRegisterClass";
376 let ParserMatchClass = GPR32AsmOperand;
379 // size operand of ext instruction
380 def size_ext : Operand<i32> {
381 let EncoderMethod = "getSizeExtEncoding";
382 let DecoderMethod = "DecodeExtSize";
385 // size operand of ins instruction
386 def size_ins : Operand<i32> {
387 let EncoderMethod = "getSizeInsEncoding";
388 let DecoderMethod = "DecodeInsSize";
391 // Transformation Function - get the lower 16 bits.
392 def LO16 : SDNodeXForm<imm, [{
393 return getImm(N, N->getZExtValue() & 0xFFFF);
396 // Transformation Function - get the higher 16 bits.
397 def HI16 : SDNodeXForm<imm, [{
398 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
402 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
404 // Node immediate is zero (e.g. insve.d)
405 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
407 // Node immediate fits as 16-bit sign extended on target immediate.
409 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
411 // Node immediate fits as 16-bit sign extended on target immediate.
413 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
415 // Node immediate fits as 15-bit sign extended on target immediate.
417 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
419 // Node immediate fits as 16-bit zero extended on target immediate.
420 // The LO16 param means that only the lower 16 bits of the node
421 // immediate are caught.
423 def immZExt16 : PatLeaf<(imm), [{
424 if (N->getValueType(0) == MVT::i32)
425 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
427 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
430 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
431 def immLow16Zero : PatLeaf<(imm), [{
432 int64_t Val = N->getSExtValue();
433 return isInt<32>(Val) && !(Val & 0xffff);
436 // shamt field must fit in 5 bits.
437 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
439 // True if (N + 1) fits in 16-bit field.
440 def immSExt16Plus1 : PatLeaf<(imm), [{
441 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
444 // Mips Address Mode! SDNode frameindex could possibily be a match
445 // since load and store instructions from stack used it.
447 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
450 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
453 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
456 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
458 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
460 //===----------------------------------------------------------------------===//
461 // Instructions specific format
462 //===----------------------------------------------------------------------===//
464 // Arithmetic and logical instructions with 3 register operands.
465 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
466 InstrItinClass Itin = NoItinerary,
467 SDPatternOperator OpNode = null_frag>:
468 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
469 !strconcat(opstr, "\t$rd, $rs, $rt"),
470 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
471 let isCommutable = isComm;
472 let isReMaterializable = 1;
473 let TwoOperandAliasConstraint = "$rd = $rs";
476 // Arithmetic and logical instructions with 2 register operands.
477 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
478 InstrItinClass Itin = NoItinerary,
479 SDPatternOperator imm_type = null_frag,
480 SDPatternOperator OpNode = null_frag> :
481 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
482 !strconcat(opstr, "\t$rt, $rs, $imm16"),
483 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
485 let isReMaterializable = 1;
486 let TwoOperandAliasConstraint = "$rs = $rt";
489 // Arithmetic Multiply ADD/SUB
490 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
491 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
492 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
493 let Defs = [HI0, LO0];
494 let Uses = [HI0, LO0];
495 let isCommutable = isComm;
499 class LogicNOR<string opstr, RegisterOperand RO>:
500 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
501 !strconcat(opstr, "\t$rd, $rs, $rt"),
502 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
503 let isCommutable = 1;
507 class shift_rotate_imm<string opstr, Operand ImmOpnd,
508 RegisterOperand RO, InstrItinClass itin,
509 SDPatternOperator OpNode = null_frag,
510 SDPatternOperator PF = null_frag> :
511 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
512 !strconcat(opstr, "\t$rd, $rt, $shamt"),
513 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
514 let TwoOperandAliasConstraint = "$rt = $rd";
517 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
518 SDPatternOperator OpNode = null_frag>:
519 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
520 !strconcat(opstr, "\t$rd, $rt, $rs"),
521 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
524 // Load Upper Imediate
525 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
526 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
527 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
528 let neverHasSideEffects = 1;
529 let isReMaterializable = 1;
533 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
534 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
535 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
536 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
537 let DecoderMethod = "DecodeMem";
538 let canFoldAsLoad = 1;
542 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
543 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
544 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
545 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
546 let DecoderMethod = "DecodeMem";
550 // Load/Store Left/Right
551 let canFoldAsLoad = 1 in
552 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
553 InstrItinClass Itin> :
554 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
555 !strconcat(opstr, "\t$rt, $addr"),
556 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
557 let DecoderMethod = "DecodeMem";
558 string Constraints = "$src = $rt";
561 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
562 InstrItinClass Itin> :
563 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
564 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
565 let DecoderMethod = "DecodeMem";
568 // Conditional Branch
569 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
570 RegisterOperand RO> :
571 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
572 !strconcat(opstr, "\t$rs, $rt, $offset"),
573 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
576 let isTerminator = 1;
577 let hasDelaySlot = 1;
581 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
582 RegisterOperand RO> :
583 InstSE<(outs), (ins RO:$rs, opnd:$offset),
584 !strconcat(opstr, "\t$rs, $offset"),
585 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
588 let isTerminator = 1;
589 let hasDelaySlot = 1;
594 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
595 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
596 !strconcat(opstr, "\t$rd, $rs, $rt"),
597 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
598 II_SLT_SLTU, FrmR, opstr>;
600 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
602 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
603 !strconcat(opstr, "\t$rt, $rs, $imm16"),
604 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
605 II_SLTI_SLTIU, FrmI, opstr>;
608 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
609 SDPatternOperator targetoperator, string bopstr> :
610 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
611 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
614 let hasDelaySlot = 1;
615 let DecoderMethod = "DecodeJumpTarget";
619 // Unconditional branch
620 class UncondBranch<Instruction BEQInst> :
621 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
622 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
624 let isTerminator = 1;
626 let hasDelaySlot = 1;
627 let AdditionalPredicates = [RelocPIC];
631 // Base class for indirect branch and return instruction classes.
632 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
633 class JumpFR<string opstr, RegisterOperand RO,
634 SDPatternOperator operator = null_frag>:
635 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
639 class IndirectBranch<string opstr, RegisterOperand RO> :
640 JumpFR<opstr, RO, brind> {
642 let isIndirectBranch = 1;
645 // Return instruction
646 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
648 let isCodeGenOnly = 1;
650 let hasExtraSrcRegAllocReq = 1;
653 // Jump and Link (Call)
654 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
655 class JumpLink<string opstr, DAGOperand opnd> :
656 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
657 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
658 let DecoderMethod = "DecodeJumpTarget";
661 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
662 Register RetReg, RegisterOperand ResRO = RO>:
663 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
664 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
666 class JumpLinkReg<string opstr, RegisterOperand RO>:
667 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
670 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
671 InstSE<(outs), (ins RO:$rs, opnd:$offset),
672 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
676 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
677 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
678 class TailCall<Instruction JumpInst> :
679 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
680 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
682 class TailCallReg<RegisterOperand RO, Instruction JRInst,
683 RegisterOperand ResRO = RO> :
684 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
685 PseudoInstExpansion<(JRInst ResRO:$rs)>;
688 class BAL_BR_Pseudo<Instruction RealInst> :
689 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
690 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
692 let isTerminator = 1;
694 let hasDelaySlot = 1;
699 class SYS_FT<string opstr> :
700 InstSE<(outs), (ins uimm20:$code_),
701 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
703 class BRK_FT<string opstr> :
704 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
705 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
709 class ER_FT<string opstr> :
710 InstSE<(outs), (ins),
711 opstr, [], NoItinerary, FrmOther, opstr>;
714 class DEI_FT<string opstr, RegisterOperand RO> :
715 InstSE<(outs RO:$rt), (ins),
716 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
719 class WAIT_FT<string opstr> :
720 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
723 let hasSideEffects = 1 in
724 class SYNC_FT<string opstr> :
725 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
726 NoItinerary, FrmOther, opstr>;
728 let hasSideEffects = 1 in
729 class TEQ_FT<string opstr, RegisterOperand RO> :
730 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
731 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
734 class TEQI_FT<string opstr, RegisterOperand RO> :
735 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
736 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
738 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
739 list<Register> DefRegs> :
740 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
742 let isCommutable = 1;
744 let neverHasSideEffects = 1;
747 // Pseudo multiply/divide instruction with explicit accumulator register
749 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
750 SDPatternOperator OpNode, InstrItinClass Itin,
751 bit IsComm = 1, bit HasSideEffects = 0,
752 bit UsesCustomInserter = 0> :
753 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
754 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
755 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
756 let isCommutable = IsComm;
757 let hasSideEffects = HasSideEffects;
758 let usesCustomInserter = UsesCustomInserter;
761 // Pseudo multiply add/sub instruction with explicit accumulator register
763 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
765 : PseudoSE<(outs ACC64:$ac),
766 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
768 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
770 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
771 string Constraints = "$acin = $ac";
774 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
775 list<Register> DefRegs> :
776 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
777 [], itin, FrmR, opstr> {
782 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
783 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
784 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
786 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
787 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
790 let neverHasSideEffects = 1;
793 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
794 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
795 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
798 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
799 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
802 let neverHasSideEffects = 1;
805 class EffectiveAddress<string opstr, RegisterOperand RO> :
806 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
807 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
808 !strconcat(opstr, "_lea")> {
809 let isCodeGenOnly = 1;
810 let DecoderMethod = "DecodeMem";
813 // Count Leading Ones/Zeros in Word
814 class CountLeading0<string opstr, RegisterOperand RO>:
815 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
816 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>,
817 AdditionalRequires<[HasBitCount]>;
819 class CountLeading1<string opstr, RegisterOperand RO>:
820 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
821 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>,
822 AdditionalRequires<[HasBitCount]>;
824 // Sign Extend in Register.
825 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
826 InstrItinClass itin> :
827 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
828 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>,
832 class SubwordSwap<string opstr, RegisterOperand RO>:
833 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
834 NoItinerary, FrmR, opstr>, INSN_SWAP {
835 let neverHasSideEffects = 1;
839 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
840 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
844 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
845 SDPatternOperator Op = null_frag>:
846 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
847 !strconcat(opstr, " $rt, $rs, $pos, $size"),
848 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
849 FrmR, opstr>, ISA_MIPS32R2;
851 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
852 SDPatternOperator Op = null_frag>:
853 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
854 !strconcat(opstr, " $rt, $rs, $pos, $size"),
855 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
856 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
857 let Constraints = "$src = $rt";
860 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
861 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
862 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
863 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
865 // Atomic Compare & Swap.
866 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
867 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
868 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
870 class LLBase<string opstr, RegisterOperand RO> :
871 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
872 [], NoItinerary, FrmI> {
873 let DecoderMethod = "DecodeMem";
877 class SCBase<string opstr, RegisterOperand RO> :
878 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
879 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
880 let DecoderMethod = "DecodeMem";
882 let Constraints = "$rt = $dst";
885 class MFC3OP<string asmstr, RegisterOperand RO> :
886 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
887 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
889 class TrapBase<Instruction RealInst>
890 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
891 PseudoInstExpansion<(RealInst 0, 0)> {
893 let isTerminator = 1;
894 let isCodeGenOnly = 1;
897 //===----------------------------------------------------------------------===//
898 // Pseudo instructions
899 //===----------------------------------------------------------------------===//
902 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
903 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
905 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
906 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
907 [(callseq_start timm:$amt)]>;
908 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
909 [(callseq_end timm:$amt1, timm:$amt2)]>;
912 let usesCustomInserter = 1 in {
913 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
914 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
915 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
916 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
917 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
918 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
919 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
920 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
921 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
922 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
923 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
924 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
925 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
926 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
927 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
928 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
929 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
930 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
932 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
933 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
934 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
936 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
937 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
938 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
941 /// Pseudo instructions for loading and storing accumulator registers.
942 let isPseudo = 1, isCodeGenOnly = 1 in {
943 def LOAD_ACC64 : Load<"", ACC64>;
944 def STORE_ACC64 : Store<"", ACC64>;
947 // We need these two pseudo instructions to avoid offset calculation for long
948 // branches. See the comment in file MipsLongBranch.cpp for detailed
951 // Expands to: lui $dst, %hi($tgt - $baltgt)
952 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
953 (ins brtarget:$tgt, brtarget:$baltgt), []>;
955 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
956 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
957 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
959 //===----------------------------------------------------------------------===//
960 // Instruction definition
961 //===----------------------------------------------------------------------===//
962 //===----------------------------------------------------------------------===//
963 // MipsI Instructions
964 //===----------------------------------------------------------------------===//
966 /// Arithmetic Instructions (ALU Immediate)
967 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
969 ADDI_FM<0x9>, IsAsCheapAsAMove;
970 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
971 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
973 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
975 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
978 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
981 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
984 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
986 /// Arithmetic Instructions (3-Operand, R-Type)
987 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
989 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
991 let Defs = [HI0, LO0] in
992 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
994 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
995 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
996 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
997 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
998 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1000 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1002 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1004 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1006 /// Shift Instructions
1007 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1008 immZExt5>, SRA_FM<0, 0>;
1009 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1010 immZExt5>, SRA_FM<2, 0>;
1011 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1012 immZExt5>, SRA_FM<3, 0>;
1013 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1015 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1017 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1020 // Rotate Instructions
1021 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1023 SRA_FM<2, 1>, ISA_MIPS32R2;
1024 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1025 SRLV_FM<6, 1>, ISA_MIPS32R2;
1027 /// Load and Store Instructions
1029 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1030 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1032 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1034 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1035 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1037 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1038 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1039 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1041 /// load/store left/right
1042 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1043 AdditionalPredicates = [NotInMicroMips] in {
1044 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1045 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1046 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1047 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1050 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1051 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1052 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1053 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1054 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1055 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1056 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1058 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>, ISA_MIPS2;
1059 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>, ISA_MIPS2;
1060 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>, ISA_MIPS2;
1061 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>, ISA_MIPS2;
1062 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>, ISA_MIPS2;
1063 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>, ISA_MIPS2;
1065 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1066 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1067 def TRAP : TrapBase<BREAK>;
1069 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>;
1070 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1072 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1073 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1075 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1076 AdditionalPredicates = [NotInMicroMips] in {
1077 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1079 /// Load-linked, Store-conditional
1080 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1081 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1084 /// Jump and Branch Instructions
1085 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1086 AdditionalRequires<[RelocStatic]>, IsBranch;
1087 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1088 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1089 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1090 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1092 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1094 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1096 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1098 def B : UncondBranch<BEQ>;
1100 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1101 let AdditionalPredicates = [NotInMicroMips] in {
1102 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1103 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1105 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1106 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1107 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1108 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1109 def TAILCALL : TailCall<J>;
1110 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1112 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1114 // Exception handling related node and instructions.
1115 // The conversion sequence is:
1116 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1117 // MIPSeh_return -> (stack change + indirect branch)
1119 // MIPSeh_return takes the place of regular return instruction
1120 // but takes two arguments (V1, V0) which are used for storing
1121 // the offset and return address respectively.
1122 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1124 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1125 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1127 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1128 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1129 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1130 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1132 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1135 /// Multiply and Divide Instructions.
1136 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1138 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1140 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1142 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1145 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1146 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1147 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1148 AdditionalPredicates = [NotInMicroMips] in {
1149 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1150 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1153 /// Sign Ext In Register Instructions.
1154 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM<0x10, 0x20>;
1155 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM<0x18, 0x20>;
1158 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>;
1159 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>;
1161 /// Word Swap Bytes Within Halfwords
1162 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>;
1165 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1167 // FrameIndexes are legalized when they are operands from load/store
1168 // instructions. The same not happens for stack address copies, so an
1169 // add op with mem ComplexPattern is used and the stack address copy
1170 // can be matched. It's similar to Sparc LEA_ADDRi
1171 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1174 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>;
1175 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1176 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1177 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
1179 let AdditionalPredicates = [NotDSP] in {
1180 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1181 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1182 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1183 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1184 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1185 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1186 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1187 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1188 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1191 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1193 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1196 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1198 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1199 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1201 /// Move Control Registers From/To CPU Registers
1202 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1203 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1204 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1205 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1207 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1209 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1210 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1211 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1213 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1215 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1216 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1217 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1218 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1220 //===----------------------------------------------------------------------===//
1221 // Instruction aliases
1222 //===----------------------------------------------------------------------===//
1223 def : InstAlias<"move $dst, $src",
1224 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1225 Requires<[IsGP32, NotInMicroMips]>;
1226 def : InstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1227 def : InstAlias<"addu $rs, $rt, $imm",
1228 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1229 def : InstAlias<"add $rs, $rt, $imm",
1230 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1231 def : InstAlias<"and $rs, $rt, $imm",
1232 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1233 def : InstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1234 let Predicates = [NotInMicroMips] in {
1235 def : InstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1237 def : InstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1238 def : InstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1239 def : InstAlias<"not $rt, $rs",
1240 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1241 def : InstAlias<"neg $rt, $rs",
1242 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1243 def : InstAlias<"negu $rt",
1244 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1245 def : InstAlias<"negu $rt, $rs",
1246 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1247 def : InstAlias<"slt $rs, $rt, $imm",
1248 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1249 def : InstAlias<"sltu $rt, $rs, $imm",
1250 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1251 def : InstAlias<"xor $rs, $rt, $imm",
1252 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1253 def : InstAlias<"or $rs, $rt, $imm",
1254 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1255 def : InstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1256 def : InstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1257 def : InstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1258 def : InstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1259 def : InstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1260 def : InstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1261 def : InstAlias<"bnez $rs,$offset",
1262 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1263 def : InstAlias<"beqz $rs,$offset",
1264 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1265 def : InstAlias<"syscall", (SYSCALL 0), 1>;
1267 def : InstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1268 def : InstAlias<"break", (BREAK 0, 0), 1>;
1269 def : InstAlias<"ei", (EI ZERO), 1>;
1270 def : InstAlias<"di", (DI ZERO), 1>;
1272 def : InstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1273 def : InstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1274 def : InstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1275 def : InstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1276 def : InstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1277 def : InstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1278 def : InstAlias<"sll $rd, $rt, $rs",
1279 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1280 def : InstAlias<"sub, $rd, $rs, $imm",
1281 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1282 def : InstAlias<"sub $rs, $imm",
1283 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1285 def : InstAlias<"subu, $rd, $rs, $imm",
1286 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1287 def : InstAlias<"subu $rs, $imm",
1288 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1290 def : InstAlias<"srl $rd, $rt, $rs",
1291 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1292 //===----------------------------------------------------------------------===//
1293 // Assembler Pseudo Instructions
1294 //===----------------------------------------------------------------------===//
1296 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1297 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1298 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1299 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1301 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1302 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1303 !strconcat(instr_asm, "\t$rt, $addr")> ;
1304 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1306 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1307 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1308 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1309 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1311 //===----------------------------------------------------------------------===//
1312 // Arbitrary patterns that map to one or more instructions
1313 //===----------------------------------------------------------------------===//
1315 // Load/store pattern templates.
1316 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1317 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1319 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1320 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1323 def : MipsPat<(i32 immSExt16:$in),
1324 (ADDiu ZERO, imm:$in)>;
1325 def : MipsPat<(i32 immZExt16:$in),
1326 (ORi ZERO, imm:$in)>;
1327 def : MipsPat<(i32 immLow16Zero:$in),
1328 (LUi (HI16 imm:$in))>;
1330 // Arbitrary immediates
1331 def : MipsPat<(i32 imm:$imm),
1332 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1334 // Carry MipsPatterns
1335 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1336 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1337 let AdditionalPredicates = [NotDSP] in {
1338 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1339 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1340 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1341 (ADDiu GPR32:$src, imm:$imm)>;
1345 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1346 (JAL tglobaladdr:$dst)>;
1347 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1348 (JAL texternalsym:$dst)>;
1349 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1350 // (JALR GPR32:$dst)>;
1353 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1354 (TAILCALL tglobaladdr:$dst)>;
1355 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1356 (TAILCALL texternalsym:$dst)>;
1358 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1359 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1360 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1361 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1362 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1363 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1365 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1366 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1367 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1368 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1369 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1370 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1372 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1373 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1374 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1375 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1376 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1377 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1378 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1379 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1380 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1381 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1384 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1385 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1386 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1387 (ADDiu GPR32:$gp, tconstpool:$in)>;
1390 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1391 MipsPat<(MipsWrapper RC:$gp, node:$in),
1392 (ADDiuOp RC:$gp, node:$in)>;
1394 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1395 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1396 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1397 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1398 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1399 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1401 // Mips does not have "not", so we expand our way
1402 def : MipsPat<(not GPR32:$in),
1403 (NOR GPR32Opnd:$in, ZERO)>;
1406 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1407 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1408 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1411 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1414 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1415 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1416 Instruction SLTiuOp, Register ZEROReg> {
1417 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1418 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1419 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1420 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1422 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1423 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1424 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1425 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1426 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1427 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1428 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1429 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1430 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1431 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1432 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1433 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1435 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1436 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1437 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1438 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1440 def : MipsPat<(brcond RC:$cond, bb:$dst),
1441 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1444 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1446 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1447 (BLEZ i32:$lhs, bb:$dst)>;
1448 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1449 (BGEZ i32:$lhs, bb:$dst)>;
1452 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1453 Instruction SLTuOp, Register ZEROReg> {
1454 def : MipsPat<(seteq RC:$lhs, 0),
1455 (SLTiuOp RC:$lhs, 1)>;
1456 def : MipsPat<(setne RC:$lhs, 0),
1457 (SLTuOp ZEROReg, RC:$lhs)>;
1458 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1459 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1460 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1461 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1464 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1465 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1466 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1467 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1468 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1471 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1472 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1473 (SLTOp RC:$rhs, RC:$lhs)>;
1474 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1475 (SLTuOp RC:$rhs, RC:$lhs)>;
1478 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1479 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1480 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1481 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1482 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1485 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1486 Instruction SLTiuOp> {
1487 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1488 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1489 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1490 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1493 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1494 defm : SetlePats<GPR32, SLT, SLTu>;
1495 defm : SetgtPats<GPR32, SLT, SLTu>;
1496 defm : SetgePats<GPR32, SLT, SLTu>;
1497 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1500 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1502 // Load halfword/word patterns.
1503 let AddedComplexity = 40 in {
1504 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1505 def : LoadRegImmPat<LH, i32, sextloadi16>;
1506 def : LoadRegImmPat<LW, i32, load>;
1509 //===----------------------------------------------------------------------===//
1510 // Floating Point Support
1511 //===----------------------------------------------------------------------===//
1513 include "MipsInstrFPU.td"
1514 include "Mips64InstrInfo.td"
1515 include "MipsCondMov.td"
1520 include "Mips16InstrFormats.td"
1521 include "Mips16InstrInfo.td"
1524 include "MipsDSPInstrFormats.td"
1525 include "MipsDSPInstrInfo.td"
1528 include "MipsMSAInstrFormats.td"
1529 include "MipsMSAInstrInfo.td"
1532 include "MicroMipsInstrFormats.td"
1533 include "MicroMipsInstrInfo.td"
1534 include "MicroMipsInstrFPU.td"