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 HasMips3_32 : Predicate<"Subtarget.hasMips3_32()">,
162 AssemblerPredicate<"FeatureMips3_32">;
163 def HasMips3 : Predicate<"Subtarget.hasMips3()">,
164 AssemblerPredicate<"FeatureMips3">;
165 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
166 AssemblerPredicate<"FeatureMips32">;
167 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
168 AssemblerPredicate<"FeatureMips32r2">;
169 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
170 AssemblerPredicate<"FeatureGP64Bit">;
171 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
172 AssemblerPredicate<"!FeatureGP64Bit">;
173 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
174 AssemblerPredicate<"FeatureMips64">;
175 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
176 AssemblerPredicate<"!FeatureGP64Bit">;
177 def IsGP64 : Predicate<"Subtarget.isGP64()">,
178 AssemblerPredicate<"FeatureGP64Bit">;
179 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
180 AssemblerPredicate<"FeatureMips64r2">;
181 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
182 AssemblerPredicate<"FeatureN64">;
183 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
184 AssemblerPredicate<"FeatureMips16">;
185 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
186 AssemblerPredicate<"FeatureCnMips">;
187 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
188 AssemblerPredicate<"FeatureMips32">;
189 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
190 AssemblerPredicate<"FeatureMips32">;
191 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
192 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
193 AssemblerPredicate<"!FeatureMips16">;
194 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
195 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
196 AssemblerPredicate<"FeatureMicroMips">;
197 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
198 AssemblerPredicate<"!FeatureMicroMips">;
199 def IsLE : Predicate<"Subtarget.isLittle()">;
200 def IsBE : Predicate<"!Subtarget.isLittle()">;
201 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
203 //===----------------------------------------------------------------------===//
204 // Mips GPR size adjectives.
205 // They are mutually exclusive.
206 //===----------------------------------------------------------------------===//
208 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
210 //===----------------------------------------------------------------------===//
211 // Mips ISA/ASE membership and instruction group membership adjectives.
212 // They are mutually exclusive.
213 //===----------------------------------------------------------------------===//
215 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
216 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
217 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
218 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
220 // The portions of MIPS-III that were also added to MIPS32
221 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
223 class INSN_SWAP { list<Predicate> InsnPredicates = [HasSwap]; }
224 class INSN_SEINREG { list<Predicate> InsnPredicates = [HasSEInReg]; }
226 //===----------------------------------------------------------------------===//
228 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
229 let EncodingPredicates = [HasStdEnc];
232 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
233 InstAlias<Asm, Result, Emit>, PredicateControl;
236 bit isCommutable = 1;
253 bit isTerminator = 1;
256 bit hasExtraSrcRegAllocReq = 1;
257 bit isCodeGenOnly = 1;
260 class IsAsCheapAsAMove {
261 bit isAsCheapAsAMove = 1;
264 class NeverHasSideEffects {
265 bit neverHasSideEffects = 1;
268 //===----------------------------------------------------------------------===//
269 // Instruction format superclass
270 //===----------------------------------------------------------------------===//
272 include "MipsInstrFormats.td"
274 //===----------------------------------------------------------------------===//
275 // Mips Operand, Complex Patterns and Transformations Definitions.
276 //===----------------------------------------------------------------------===//
278 def MipsJumpTargetAsmOperand : AsmOperandClass {
279 let Name = "JumpTarget";
280 let ParserMethod = "ParseJumpTarget";
281 let PredicateMethod = "isImm";
282 let RenderMethod = "addImmOperands";
285 // Instruction operand types
286 def jmptarget : Operand<OtherVT> {
287 let EncoderMethod = "getJumpTargetOpValue";
288 let ParserMatchClass = MipsJumpTargetAsmOperand;
290 def brtarget : Operand<OtherVT> {
291 let EncoderMethod = "getBranchTargetOpValue";
292 let OperandType = "OPERAND_PCREL";
293 let DecoderMethod = "DecodeBranchTarget";
294 let ParserMatchClass = MipsJumpTargetAsmOperand;
296 def calltarget : Operand<iPTR> {
297 let EncoderMethod = "getJumpTargetOpValue";
298 let ParserMatchClass = MipsJumpTargetAsmOperand;
301 def simm10 : Operand<i32>;
303 def simm16 : Operand<i32> {
304 let DecoderMethod= "DecodeSimm16";
307 def simm20 : Operand<i32> {
310 def uimm20 : Operand<i32> {
313 def uimm10 : Operand<i32> {
316 def simm16_64 : Operand<i64> {
317 let DecoderMethod = "DecodeSimm16";
321 def uimmz : Operand<i32> {
322 let PrintMethod = "printUnsignedImm";
326 def uimm5 : Operand<i32> {
327 let PrintMethod = "printUnsignedImm";
330 def uimm6 : Operand<i32> {
331 let PrintMethod = "printUnsignedImm";
334 def uimm16 : Operand<i32> {
335 let PrintMethod = "printUnsignedImm";
338 def pcrel16 : Operand<i32> {
341 def MipsMemAsmOperand : AsmOperandClass {
343 let ParserMethod = "parseMemOperand";
346 def MipsInvertedImmoperand : AsmOperandClass {
348 let RenderMethod = "addImmOperands";
349 let ParserMethod = "parseInvNum";
352 def InvertedImOperand : Operand<i32> {
353 let ParserMatchClass = MipsInvertedImmoperand;
356 def InvertedImOperand64 : Operand<i64> {
357 let ParserMatchClass = MipsInvertedImmoperand;
360 class mem_generic : Operand<iPTR> {
361 let PrintMethod = "printMemOperand";
362 let MIOperandInfo = (ops ptr_rc, simm16);
363 let EncoderMethod = "getMemEncoding";
364 let ParserMatchClass = MipsMemAsmOperand;
365 let OperandType = "OPERAND_MEMORY";
369 def mem : mem_generic;
371 // MSA specific address operand
372 def mem_msa : mem_generic {
373 let MIOperandInfo = (ops ptr_rc, simm10);
374 let EncoderMethod = "getMSAMemEncoding";
377 def mem_ea : Operand<iPTR> {
378 let PrintMethod = "printMemOperandEA";
379 let MIOperandInfo = (ops ptr_rc, simm16);
380 let EncoderMethod = "getMemEncoding";
381 let OperandType = "OPERAND_MEMORY";
384 def PtrRC : Operand<iPTR> {
385 let MIOperandInfo = (ops ptr_rc);
386 let DecoderMethod = "DecodePtrRegisterClass";
387 let ParserMatchClass = GPR32AsmOperand;
390 // size operand of ext instruction
391 def size_ext : Operand<i32> {
392 let EncoderMethod = "getSizeExtEncoding";
393 let DecoderMethod = "DecodeExtSize";
396 // size operand of ins instruction
397 def size_ins : Operand<i32> {
398 let EncoderMethod = "getSizeInsEncoding";
399 let DecoderMethod = "DecodeInsSize";
402 // Transformation Function - get the lower 16 bits.
403 def LO16 : SDNodeXForm<imm, [{
404 return getImm(N, N->getZExtValue() & 0xFFFF);
407 // Transformation Function - get the higher 16 bits.
408 def HI16 : SDNodeXForm<imm, [{
409 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
413 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
415 // Node immediate is zero (e.g. insve.d)
416 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
418 // Node immediate fits as 16-bit sign extended on target immediate.
420 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
422 // Node immediate fits as 16-bit sign extended on target immediate.
424 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
426 // Node immediate fits as 15-bit sign extended on target immediate.
428 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
430 // Node immediate fits as 16-bit zero extended on target immediate.
431 // The LO16 param means that only the lower 16 bits of the node
432 // immediate are caught.
434 def immZExt16 : PatLeaf<(imm), [{
435 if (N->getValueType(0) == MVT::i32)
436 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
438 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
441 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
442 def immLow16Zero : PatLeaf<(imm), [{
443 int64_t Val = N->getSExtValue();
444 return isInt<32>(Val) && !(Val & 0xffff);
447 // shamt field must fit in 5 bits.
448 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
450 // True if (N + 1) fits in 16-bit field.
451 def immSExt16Plus1 : PatLeaf<(imm), [{
452 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
455 // Mips Address Mode! SDNode frameindex could possibily be a match
456 // since load and store instructions from stack used it.
458 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
461 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
464 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
467 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
469 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
471 //===----------------------------------------------------------------------===//
472 // Instructions specific format
473 //===----------------------------------------------------------------------===//
475 // Arithmetic and logical instructions with 3 register operands.
476 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
477 InstrItinClass Itin = NoItinerary,
478 SDPatternOperator OpNode = null_frag>:
479 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
480 !strconcat(opstr, "\t$rd, $rs, $rt"),
481 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
482 let isCommutable = isComm;
483 let isReMaterializable = 1;
484 let TwoOperandAliasConstraint = "$rd = $rs";
487 // Arithmetic and logical instructions with 2 register operands.
488 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
489 InstrItinClass Itin = NoItinerary,
490 SDPatternOperator imm_type = null_frag,
491 SDPatternOperator OpNode = null_frag> :
492 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
493 !strconcat(opstr, "\t$rt, $rs, $imm16"),
494 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
496 let isReMaterializable = 1;
497 let TwoOperandAliasConstraint = "$rs = $rt";
500 // Arithmetic Multiply ADD/SUB
501 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
502 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
503 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
504 let Defs = [HI0, LO0];
505 let Uses = [HI0, LO0];
506 let isCommutable = isComm;
510 class LogicNOR<string opstr, RegisterOperand RO>:
511 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
512 !strconcat(opstr, "\t$rd, $rs, $rt"),
513 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
514 let isCommutable = 1;
518 class shift_rotate_imm<string opstr, Operand ImmOpnd,
519 RegisterOperand RO, InstrItinClass itin,
520 SDPatternOperator OpNode = null_frag,
521 SDPatternOperator PF = null_frag> :
522 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
523 !strconcat(opstr, "\t$rd, $rt, $shamt"),
524 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
525 let TwoOperandAliasConstraint = "$rt = $rd";
528 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
529 SDPatternOperator OpNode = null_frag>:
530 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
531 !strconcat(opstr, "\t$rd, $rt, $rs"),
532 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
535 // Load Upper Imediate
536 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
537 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
538 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
539 let neverHasSideEffects = 1;
540 let isReMaterializable = 1;
544 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
545 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
546 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
547 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
548 let DecoderMethod = "DecodeMem";
549 let canFoldAsLoad = 1;
553 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
554 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
555 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
556 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
557 let DecoderMethod = "DecodeMem";
561 // Load/Store Left/Right
562 let canFoldAsLoad = 1 in
563 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
564 InstrItinClass Itin> :
565 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
566 !strconcat(opstr, "\t$rt, $addr"),
567 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
568 let DecoderMethod = "DecodeMem";
569 string Constraints = "$src = $rt";
572 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
573 InstrItinClass Itin> :
574 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
575 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
576 let DecoderMethod = "DecodeMem";
579 // Conditional Branch
580 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
581 RegisterOperand RO> :
582 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
583 !strconcat(opstr, "\t$rs, $rt, $offset"),
584 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
587 let isTerminator = 1;
588 let hasDelaySlot = 1;
592 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
593 RegisterOperand RO> :
594 InstSE<(outs), (ins RO:$rs, opnd:$offset),
595 !strconcat(opstr, "\t$rs, $offset"),
596 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
599 let isTerminator = 1;
600 let hasDelaySlot = 1;
605 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
606 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
607 !strconcat(opstr, "\t$rd, $rs, $rt"),
608 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
609 II_SLT_SLTU, FrmR, opstr>;
611 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
613 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
614 !strconcat(opstr, "\t$rt, $rs, $imm16"),
615 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
616 II_SLTI_SLTIU, FrmI, opstr>;
619 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
620 SDPatternOperator targetoperator, string bopstr> :
621 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
622 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
625 let hasDelaySlot = 1;
626 let DecoderMethod = "DecodeJumpTarget";
630 // Unconditional branch
631 class UncondBranch<Instruction BEQInst> :
632 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
633 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
635 let isTerminator = 1;
637 let hasDelaySlot = 1;
638 let AdditionalPredicates = [RelocPIC];
642 // Base class for indirect branch and return instruction classes.
643 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
644 class JumpFR<string opstr, RegisterOperand RO,
645 SDPatternOperator operator = null_frag>:
646 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
650 class IndirectBranch<string opstr, RegisterOperand RO> :
651 JumpFR<opstr, RO, brind> {
653 let isIndirectBranch = 1;
656 // Return instruction
657 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
659 let isCodeGenOnly = 1;
661 let hasExtraSrcRegAllocReq = 1;
664 // Jump and Link (Call)
665 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
666 class JumpLink<string opstr, DAGOperand opnd> :
667 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
668 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
669 let DecoderMethod = "DecodeJumpTarget";
672 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
673 Register RetReg, RegisterOperand ResRO = RO>:
674 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
675 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
677 class JumpLinkReg<string opstr, RegisterOperand RO>:
678 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
681 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
682 InstSE<(outs), (ins RO:$rs, opnd:$offset),
683 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
687 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
688 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
689 class TailCall<Instruction JumpInst> :
690 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
691 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
693 class TailCallReg<RegisterOperand RO, Instruction JRInst,
694 RegisterOperand ResRO = RO> :
695 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
696 PseudoInstExpansion<(JRInst ResRO:$rs)>;
699 class BAL_BR_Pseudo<Instruction RealInst> :
700 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
701 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
703 let isTerminator = 1;
705 let hasDelaySlot = 1;
710 class SYS_FT<string opstr> :
711 InstSE<(outs), (ins uimm20:$code_),
712 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
714 class BRK_FT<string opstr> :
715 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
716 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
720 class ER_FT<string opstr> :
721 InstSE<(outs), (ins),
722 opstr, [], NoItinerary, FrmOther, opstr>;
725 class DEI_FT<string opstr, RegisterOperand RO> :
726 InstSE<(outs RO:$rt), (ins),
727 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
730 class WAIT_FT<string opstr> :
731 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
734 let hasSideEffects = 1 in
735 class SYNC_FT<string opstr> :
736 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
737 NoItinerary, FrmOther, opstr>;
739 let hasSideEffects = 1 in
740 class TEQ_FT<string opstr, RegisterOperand RO> :
741 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
742 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
745 class TEQI_FT<string opstr, RegisterOperand RO> :
746 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
747 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
749 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
750 list<Register> DefRegs> :
751 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
753 let isCommutable = 1;
755 let neverHasSideEffects = 1;
758 // Pseudo multiply/divide instruction with explicit accumulator register
760 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
761 SDPatternOperator OpNode, InstrItinClass Itin,
762 bit IsComm = 1, bit HasSideEffects = 0,
763 bit UsesCustomInserter = 0> :
764 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
765 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
766 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
767 let isCommutable = IsComm;
768 let hasSideEffects = HasSideEffects;
769 let usesCustomInserter = UsesCustomInserter;
772 // Pseudo multiply add/sub instruction with explicit accumulator register
774 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
776 : PseudoSE<(outs ACC64:$ac),
777 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
779 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
781 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
782 string Constraints = "$acin = $ac";
785 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
786 list<Register> DefRegs> :
787 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
788 [], itin, FrmR, opstr> {
793 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
794 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
795 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
797 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
798 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
801 let neverHasSideEffects = 1;
804 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
805 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
806 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
809 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
810 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
813 let neverHasSideEffects = 1;
816 class EffectiveAddress<string opstr, RegisterOperand RO> :
817 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
818 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
819 !strconcat(opstr, "_lea")> {
820 let isCodeGenOnly = 1;
821 let DecoderMethod = "DecodeMem";
824 // Count Leading Ones/Zeros in Word
825 class CountLeading0<string opstr, RegisterOperand RO>:
826 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
827 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>,
828 AdditionalRequires<[HasBitCount]>;
830 class CountLeading1<string opstr, RegisterOperand RO>:
831 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
832 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>,
833 AdditionalRequires<[HasBitCount]>;
835 // Sign Extend in Register.
836 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
837 InstrItinClass itin> :
838 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
839 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>,
843 class SubwordSwap<string opstr, RegisterOperand RO>:
844 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
845 NoItinerary, FrmR, opstr>, INSN_SWAP {
846 let neverHasSideEffects = 1;
850 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
851 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
855 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
856 SDPatternOperator Op = null_frag>:
857 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
858 !strconcat(opstr, " $rt, $rs, $pos, $size"),
859 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
860 FrmR, opstr>, ISA_MIPS32R2;
862 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
863 SDPatternOperator Op = null_frag>:
864 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
865 !strconcat(opstr, " $rt, $rs, $pos, $size"),
866 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
867 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
868 let Constraints = "$src = $rt";
871 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
872 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
873 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
874 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
876 // Atomic Compare & Swap.
877 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
878 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
879 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
881 class LLBase<string opstr, RegisterOperand RO> :
882 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
883 [], NoItinerary, FrmI> {
884 let DecoderMethod = "DecodeMem";
888 class SCBase<string opstr, RegisterOperand RO> :
889 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
890 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
891 let DecoderMethod = "DecodeMem";
893 let Constraints = "$rt = $dst";
896 class MFC3OP<string asmstr, RegisterOperand RO> :
897 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
898 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
900 class TrapBase<Instruction RealInst>
901 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
902 PseudoInstExpansion<(RealInst 0, 0)> {
904 let isTerminator = 1;
905 let isCodeGenOnly = 1;
908 //===----------------------------------------------------------------------===//
909 // Pseudo instructions
910 //===----------------------------------------------------------------------===//
913 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
914 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
916 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
917 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
918 [(callseq_start timm:$amt)]>;
919 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
920 [(callseq_end timm:$amt1, timm:$amt2)]>;
923 let usesCustomInserter = 1 in {
924 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
925 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
926 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
927 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
928 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
929 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
930 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
931 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
932 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
933 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
934 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
935 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
936 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
937 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
938 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
939 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
940 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
941 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
943 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
944 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
945 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
947 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
948 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
949 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
952 /// Pseudo instructions for loading and storing accumulator registers.
953 let isPseudo = 1, isCodeGenOnly = 1 in {
954 def LOAD_ACC64 : Load<"", ACC64>;
955 def STORE_ACC64 : Store<"", ACC64>;
958 // We need these two pseudo instructions to avoid offset calculation for long
959 // branches. See the comment in file MipsLongBranch.cpp for detailed
962 // Expands to: lui $dst, %hi($tgt - $baltgt)
963 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
964 (ins brtarget:$tgt, brtarget:$baltgt), []>;
966 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
967 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
968 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
970 //===----------------------------------------------------------------------===//
971 // Instruction definition
972 //===----------------------------------------------------------------------===//
973 //===----------------------------------------------------------------------===//
974 // MipsI Instructions
975 //===----------------------------------------------------------------------===//
977 /// Arithmetic Instructions (ALU Immediate)
978 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
980 ADDI_FM<0x9>, IsAsCheapAsAMove;
981 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
982 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
984 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
986 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
989 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
992 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
995 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
997 /// Arithmetic Instructions (3-Operand, R-Type)
998 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1000 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1002 let Defs = [HI0, LO0] in
1003 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1005 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1006 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1007 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1008 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1009 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1011 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1013 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1015 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1017 /// Shift Instructions
1018 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1019 immZExt5>, SRA_FM<0, 0>;
1020 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1021 immZExt5>, SRA_FM<2, 0>;
1022 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1023 immZExt5>, SRA_FM<3, 0>;
1024 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1026 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1028 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1031 // Rotate Instructions
1032 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1034 SRA_FM<2, 1>, ISA_MIPS32R2;
1035 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1036 SRLV_FM<6, 1>, ISA_MIPS32R2;
1038 /// Load and Store Instructions
1040 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1041 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1043 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1045 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1046 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1048 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1049 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1050 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1052 /// load/store left/right
1053 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1054 AdditionalPredicates = [NotInMicroMips] in {
1055 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1056 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1057 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1058 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1061 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1062 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1063 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1064 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1065 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1066 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1067 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1069 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>, ISA_MIPS2;
1070 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>, ISA_MIPS2;
1071 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>, ISA_MIPS2;
1072 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>, ISA_MIPS2;
1073 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>, ISA_MIPS2;
1074 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>, ISA_MIPS2;
1076 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1077 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1078 def TRAP : TrapBase<BREAK>;
1080 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1081 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1083 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1084 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1086 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1087 AdditionalPredicates = [NotInMicroMips] in {
1088 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1090 /// Load-linked, Store-conditional
1091 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1092 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1095 /// Jump and Branch Instructions
1096 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1097 AdditionalRequires<[RelocStatic]>, IsBranch;
1098 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1099 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1100 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1101 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1103 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1105 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1107 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1109 def B : UncondBranch<BEQ>;
1111 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1112 let AdditionalPredicates = [NotInMicroMips] in {
1113 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1114 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1116 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1117 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1118 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1119 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1120 def TAILCALL : TailCall<J>;
1121 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1123 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1125 // Exception handling related node and instructions.
1126 // The conversion sequence is:
1127 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1128 // MIPSeh_return -> (stack change + indirect branch)
1130 // MIPSeh_return takes the place of regular return instruction
1131 // but takes two arguments (V1, V0) which are used for storing
1132 // the offset and return address respectively.
1133 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1135 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1136 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1138 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1139 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1140 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1141 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1143 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1146 /// Multiply and Divide Instructions.
1147 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1149 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1151 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1153 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1156 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1157 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1158 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1159 AdditionalPredicates = [NotInMicroMips] in {
1160 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1161 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1164 /// Sign Ext In Register Instructions.
1165 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM<0x10, 0x20>;
1166 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM<0x18, 0x20>;
1169 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>;
1170 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>;
1172 /// Word Swap Bytes Within Halfwords
1173 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>;
1176 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1178 // FrameIndexes are legalized when they are operands from load/store
1179 // instructions. The same not happens for stack address copies, so an
1180 // add op with mem ComplexPattern is used and the stack address copy
1181 // can be matched. It's similar to Sparc LEA_ADDRi
1182 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1185 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>;
1186 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1187 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1188 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
1190 let AdditionalPredicates = [NotDSP] in {
1191 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1192 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1193 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1194 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1195 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1196 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1197 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1198 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1199 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1202 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1204 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1207 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1209 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1210 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1212 /// Move Control Registers From/To CPU Registers
1213 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1214 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1215 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1216 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1218 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1220 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1221 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1222 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1224 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1226 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1227 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1228 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1229 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1231 //===----------------------------------------------------------------------===//
1232 // Instruction aliases
1233 //===----------------------------------------------------------------------===//
1234 def : MipsInstAlias<"move $dst, $src",
1235 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1236 Requires<[IsGP32, NotInMicroMips]>;
1237 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1238 def : MipsInstAlias<"addu $rs, $rt, $imm",
1239 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1240 def : MipsInstAlias<"add $rs, $rt, $imm",
1241 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1242 def : MipsInstAlias<"and $rs, $rt, $imm",
1243 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1244 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1245 let Predicates = [NotInMicroMips] in {
1246 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1248 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1249 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1250 def : MipsInstAlias<"not $rt, $rs",
1251 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1252 def : MipsInstAlias<"neg $rt, $rs",
1253 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1254 def : MipsInstAlias<"negu $rt",
1255 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1256 def : MipsInstAlias<"negu $rt, $rs",
1257 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1258 def : MipsInstAlias<"slt $rs, $rt, $imm",
1259 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1260 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1261 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1262 def : MipsInstAlias<"xor $rs, $rt, $imm",
1263 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1264 def : MipsInstAlias<"or $rs, $rt, $imm",
1265 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1266 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1267 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1268 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1269 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1270 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1271 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1272 def : MipsInstAlias<"bnez $rs,$offset",
1273 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1274 def : MipsInstAlias<"beqz $rs,$offset",
1275 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1276 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1278 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1279 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1280 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1281 def : MipsInstAlias<"di", (DI ZERO), 1>;
1283 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1284 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1285 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1287 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1288 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1290 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1291 def : MipsInstAlias<"sll $rd, $rt, $rs",
1292 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1293 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1294 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1295 InvertedImOperand:$imm)>;
1296 def : MipsInstAlias<"sub $rs, $imm",
1297 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1299 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1300 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1301 InvertedImOperand:$imm)>;
1302 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1303 InvertedImOperand:$imm), 0>;
1304 def : MipsInstAlias<"sra $rd, $rt, $rs",
1305 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1306 def : MipsInstAlias<"srl $rd, $rt, $rs",
1307 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1308 //===----------------------------------------------------------------------===//
1309 // Assembler Pseudo Instructions
1310 //===----------------------------------------------------------------------===//
1312 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1313 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1314 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1315 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1317 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1318 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1319 !strconcat(instr_asm, "\t$rt, $addr")> ;
1320 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1322 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1323 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1324 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1325 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1327 //===----------------------------------------------------------------------===//
1328 // Arbitrary patterns that map to one or more instructions
1329 //===----------------------------------------------------------------------===//
1331 // Load/store pattern templates.
1332 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1333 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1335 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1336 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1339 def : MipsPat<(i32 immSExt16:$in),
1340 (ADDiu ZERO, imm:$in)>;
1341 def : MipsPat<(i32 immZExt16:$in),
1342 (ORi ZERO, imm:$in)>;
1343 def : MipsPat<(i32 immLow16Zero:$in),
1344 (LUi (HI16 imm:$in))>;
1346 // Arbitrary immediates
1347 def : MipsPat<(i32 imm:$imm),
1348 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1350 // Carry MipsPatterns
1351 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1352 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1353 let AdditionalPredicates = [NotDSP] in {
1354 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1355 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1356 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1357 (ADDiu GPR32:$src, imm:$imm)>;
1361 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1362 (JAL tglobaladdr:$dst)>;
1363 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1364 (JAL texternalsym:$dst)>;
1365 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1366 // (JALR GPR32:$dst)>;
1369 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1370 (TAILCALL tglobaladdr:$dst)>;
1371 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1372 (TAILCALL texternalsym:$dst)>;
1374 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1375 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1376 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1377 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1378 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1379 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1381 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1382 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1383 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1384 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1385 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1386 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1388 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1389 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1390 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1391 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1392 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1393 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1394 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1395 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1396 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1397 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1400 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1401 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1402 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1403 (ADDiu GPR32:$gp, tconstpool:$in)>;
1406 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1407 MipsPat<(MipsWrapper RC:$gp, node:$in),
1408 (ADDiuOp RC:$gp, node:$in)>;
1410 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1411 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1412 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1413 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1414 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1415 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1417 // Mips does not have "not", so we expand our way
1418 def : MipsPat<(not GPR32:$in),
1419 (NOR GPR32Opnd:$in, ZERO)>;
1422 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1423 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1424 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1427 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1430 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1431 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1432 Instruction SLTiuOp, Register ZEROReg> {
1433 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1434 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1435 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1436 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1438 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1439 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1440 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1441 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1442 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1443 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1444 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1445 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1446 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1447 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1448 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1449 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1451 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1452 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1453 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1454 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1456 def : MipsPat<(brcond RC:$cond, bb:$dst),
1457 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1460 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1462 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1463 (BLEZ i32:$lhs, bb:$dst)>;
1464 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1465 (BGEZ i32:$lhs, bb:$dst)>;
1468 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1469 Instruction SLTuOp, Register ZEROReg> {
1470 def : MipsPat<(seteq RC:$lhs, 0),
1471 (SLTiuOp RC:$lhs, 1)>;
1472 def : MipsPat<(setne RC:$lhs, 0),
1473 (SLTuOp ZEROReg, RC:$lhs)>;
1474 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1475 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1476 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1477 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1480 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1481 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1482 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1483 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1484 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1487 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1488 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1489 (SLTOp RC:$rhs, RC:$lhs)>;
1490 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1491 (SLTuOp RC:$rhs, RC:$lhs)>;
1494 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1495 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1496 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1497 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1498 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1501 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1502 Instruction SLTiuOp> {
1503 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1504 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1505 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1506 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1509 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1510 defm : SetlePats<GPR32, SLT, SLTu>;
1511 defm : SetgtPats<GPR32, SLT, SLTu>;
1512 defm : SetgePats<GPR32, SLT, SLTu>;
1513 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1516 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1518 // Load halfword/word patterns.
1519 let AddedComplexity = 40 in {
1520 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1521 def : LoadRegImmPat<LH, i32, sextloadi16>;
1522 def : LoadRegImmPat<LW, i32, load>;
1525 //===----------------------------------------------------------------------===//
1526 // Floating Point Support
1527 //===----------------------------------------------------------------------===//
1529 include "MipsInstrFPU.td"
1530 include "Mips64InstrInfo.td"
1531 include "MipsCondMov.td"
1533 include "Mips32r6InstrInfo.td"
1534 include "Mips64r6InstrInfo.td"
1539 include "Mips16InstrFormats.td"
1540 include "Mips16InstrInfo.td"
1543 include "MipsDSPInstrFormats.td"
1544 include "MipsDSPInstrInfo.td"
1547 include "MipsMSAInstrFormats.td"
1548 include "MipsMSAInstrInfo.td"
1551 include "MicroMipsInstrFormats.td"
1552 include "MicroMipsInstrInfo.td"
1553 include "MicroMipsInstrFPU.td"