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 HasMips2 : Predicate<"Subtarget.hasMips2()">,
150 AssemblerPredicate<"FeatureMips2">;
151 def HasMips3_32 : Predicate<"Subtarget.hasMips3_32()">,
152 AssemblerPredicate<"FeatureMips3_32">;
153 def HasMips3 : Predicate<"Subtarget.hasMips3()">,
154 AssemblerPredicate<"FeatureMips3">;
155 def HasMips4_32 : Predicate<"Subtarget.hasMips4_32()">,
156 AssemblerPredicate<"FeatureMips4_32">;
157 def HasMips4_32r2 : Predicate<"Subtarget.hasMips4_32r2()">,
158 AssemblerPredicate<"FeatureMips4_32r2">;
159 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
160 AssemblerPredicate<"FeatureMips32">;
161 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
162 AssemblerPredicate<"FeatureMips32r2">;
163 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
164 AssemblerPredicate<"FeatureGP64Bit">;
165 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
166 AssemblerPredicate<"!FeatureGP64Bit">;
167 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
168 AssemblerPredicate<"FeatureMips64">;
169 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
170 AssemblerPredicate<"!FeatureGP64Bit">;
171 def IsGP64 : Predicate<"Subtarget.isGP64()">,
172 AssemblerPredicate<"FeatureGP64Bit">;
173 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
174 AssemblerPredicate<"FeatureMips64r2">;
175 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
176 AssemblerPredicate<"FeatureN64">;
177 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
178 AssemblerPredicate<"FeatureMips16">;
179 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
180 AssemblerPredicate<"FeatureCnMips">;
181 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
182 AssemblerPredicate<"FeatureMips32">;
183 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
184 AssemblerPredicate<"FeatureMips32">;
185 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
186 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
187 AssemblerPredicate<"!FeatureMips16">;
188 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
189 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
190 AssemblerPredicate<"FeatureMicroMips">;
191 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
192 AssemblerPredicate<"!FeatureMicroMips">;
193 def IsLE : Predicate<"Subtarget.isLittle()">;
194 def IsBE : Predicate<"!Subtarget.isLittle()">;
195 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
197 //===----------------------------------------------------------------------===//
198 // Mips GPR size adjectives.
199 // They are mutually exclusive.
200 //===----------------------------------------------------------------------===//
202 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
204 //===----------------------------------------------------------------------===//
205 // Mips ISA/ASE membership and instruction group membership adjectives.
206 // They are mutually exclusive.
207 //===----------------------------------------------------------------------===//
209 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
210 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
211 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
212 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
213 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
214 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
216 // The portions of MIPS-III that were also added to MIPS32
217 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
219 // The portions of MIPS-IV that were also added to MIPS32
220 class INSN_MIPS4_32 { list<Predicate> InsnPredicates = [HasMips4_32]; }
222 // The portions of MIPS-IV that were also added to MIPS32R2
223 class INSN_MIPS4_32R2 { list<Predicate> InsnPredicates = [HasMips4_32r2]; }
225 //===----------------------------------------------------------------------===//
227 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
228 let EncodingPredicates = [HasStdEnc];
231 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
232 InstAlias<Asm, Result, Emit>, PredicateControl;
235 bit isCommutable = 1;
252 bit isTerminator = 1;
255 bit hasExtraSrcRegAllocReq = 1;
256 bit isCodeGenOnly = 1;
259 class IsAsCheapAsAMove {
260 bit isAsCheapAsAMove = 1;
263 class NeverHasSideEffects {
264 bit neverHasSideEffects = 1;
267 //===----------------------------------------------------------------------===//
268 // Instruction format superclass
269 //===----------------------------------------------------------------------===//
271 include "MipsInstrFormats.td"
273 //===----------------------------------------------------------------------===//
274 // Mips Operand, Complex Patterns and Transformations Definitions.
275 //===----------------------------------------------------------------------===//
277 def MipsJumpTargetAsmOperand : AsmOperandClass {
278 let Name = "JumpTarget";
279 let ParserMethod = "ParseJumpTarget";
280 let PredicateMethod = "isImm";
281 let RenderMethod = "addImmOperands";
284 // Instruction operand types
285 def jmptarget : Operand<OtherVT> {
286 let EncoderMethod = "getJumpTargetOpValue";
287 let ParserMatchClass = MipsJumpTargetAsmOperand;
289 def brtarget : Operand<OtherVT> {
290 let EncoderMethod = "getBranchTargetOpValue";
291 let OperandType = "OPERAND_PCREL";
292 let DecoderMethod = "DecodeBranchTarget";
293 let ParserMatchClass = MipsJumpTargetAsmOperand;
295 def calltarget : Operand<iPTR> {
296 let EncoderMethod = "getJumpTargetOpValue";
297 let ParserMatchClass = MipsJumpTargetAsmOperand;
300 def simm10 : Operand<i32>;
302 def simm16 : Operand<i32> {
303 let DecoderMethod= "DecodeSimm16";
306 def simm20 : Operand<i32> {
309 def uimm20 : Operand<i32> {
312 def uimm10 : Operand<i32> {
315 def simm16_64 : Operand<i64> {
316 let DecoderMethod = "DecodeSimm16";
320 def uimmz : Operand<i32> {
321 let PrintMethod = "printUnsignedImm";
325 def uimm5 : Operand<i32> {
326 let PrintMethod = "printUnsignedImm";
329 def uimm6 : Operand<i32> {
330 let PrintMethod = "printUnsignedImm";
333 def uimm16 : Operand<i32> {
334 let PrintMethod = "printUnsignedImm";
337 def pcrel16 : Operand<i32> {
340 def MipsMemAsmOperand : AsmOperandClass {
342 let ParserMethod = "parseMemOperand";
345 def MipsInvertedImmoperand : AsmOperandClass {
347 let RenderMethod = "addImmOperands";
348 let ParserMethod = "parseInvNum";
351 def InvertedImOperand : Operand<i32> {
352 let ParserMatchClass = MipsInvertedImmoperand;
355 def InvertedImOperand64 : Operand<i64> {
356 let ParserMatchClass = MipsInvertedImmoperand;
359 class mem_generic : Operand<iPTR> {
360 let PrintMethod = "printMemOperand";
361 let MIOperandInfo = (ops ptr_rc, simm16);
362 let EncoderMethod = "getMemEncoding";
363 let ParserMatchClass = MipsMemAsmOperand;
364 let OperandType = "OPERAND_MEMORY";
368 def mem : mem_generic;
370 // MSA specific address operand
371 def mem_msa : mem_generic {
372 let MIOperandInfo = (ops ptr_rc, simm10);
373 let EncoderMethod = "getMSAMemEncoding";
376 def mem_ea : Operand<iPTR> {
377 let PrintMethod = "printMemOperandEA";
378 let MIOperandInfo = (ops ptr_rc, simm16);
379 let EncoderMethod = "getMemEncoding";
380 let OperandType = "OPERAND_MEMORY";
383 def PtrRC : Operand<iPTR> {
384 let MIOperandInfo = (ops ptr_rc);
385 let DecoderMethod = "DecodePtrRegisterClass";
386 let ParserMatchClass = GPR32AsmOperand;
389 // size operand of ext instruction
390 def size_ext : Operand<i32> {
391 let EncoderMethod = "getSizeExtEncoding";
392 let DecoderMethod = "DecodeExtSize";
395 // size operand of ins instruction
396 def size_ins : Operand<i32> {
397 let EncoderMethod = "getSizeInsEncoding";
398 let DecoderMethod = "DecodeInsSize";
401 // Transformation Function - get the lower 16 bits.
402 def LO16 : SDNodeXForm<imm, [{
403 return getImm(N, N->getZExtValue() & 0xFFFF);
406 // Transformation Function - get the higher 16 bits.
407 def HI16 : SDNodeXForm<imm, [{
408 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
412 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
414 // Node immediate is zero (e.g. insve.d)
415 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
417 // Node immediate fits as 16-bit sign extended on target immediate.
419 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
421 // Node immediate fits as 16-bit sign extended on target immediate.
423 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
425 // Node immediate fits as 15-bit sign extended on target immediate.
427 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
429 // Node immediate fits as 16-bit zero extended on target immediate.
430 // The LO16 param means that only the lower 16 bits of the node
431 // immediate are caught.
433 def immZExt16 : PatLeaf<(imm), [{
434 if (N->getValueType(0) == MVT::i32)
435 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
437 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
440 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
441 def immLow16Zero : PatLeaf<(imm), [{
442 int64_t Val = N->getSExtValue();
443 return isInt<32>(Val) && !(Val & 0xffff);
446 // shamt field must fit in 5 bits.
447 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
449 // True if (N + 1) fits in 16-bit field.
450 def immSExt16Plus1 : PatLeaf<(imm), [{
451 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
454 // Mips Address Mode! SDNode frameindex could possibily be a match
455 // since load and store instructions from stack used it.
457 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
460 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
463 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
466 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
468 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
470 //===----------------------------------------------------------------------===//
471 // Instructions specific format
472 //===----------------------------------------------------------------------===//
474 // Arithmetic and logical instructions with 3 register operands.
475 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
476 InstrItinClass Itin = NoItinerary,
477 SDPatternOperator OpNode = null_frag>:
478 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
479 !strconcat(opstr, "\t$rd, $rs, $rt"),
480 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
481 let isCommutable = isComm;
482 let isReMaterializable = 1;
483 let TwoOperandAliasConstraint = "$rd = $rs";
486 // Arithmetic and logical instructions with 2 register operands.
487 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
488 InstrItinClass Itin = NoItinerary,
489 SDPatternOperator imm_type = null_frag,
490 SDPatternOperator OpNode = null_frag> :
491 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
492 !strconcat(opstr, "\t$rt, $rs, $imm16"),
493 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
495 let isReMaterializable = 1;
496 let TwoOperandAliasConstraint = "$rs = $rt";
499 // Arithmetic Multiply ADD/SUB
500 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
501 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
502 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
503 let Defs = [HI0, LO0];
504 let Uses = [HI0, LO0];
505 let isCommutable = isComm;
509 class LogicNOR<string opstr, RegisterOperand RO>:
510 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
511 !strconcat(opstr, "\t$rd, $rs, $rt"),
512 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
513 let isCommutable = 1;
517 class shift_rotate_imm<string opstr, Operand ImmOpnd,
518 RegisterOperand RO, InstrItinClass itin,
519 SDPatternOperator OpNode = null_frag,
520 SDPatternOperator PF = null_frag> :
521 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
522 !strconcat(opstr, "\t$rd, $rt, $shamt"),
523 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
524 let TwoOperandAliasConstraint = "$rt = $rd";
527 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
528 SDPatternOperator OpNode = null_frag>:
529 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
530 !strconcat(opstr, "\t$rd, $rt, $rs"),
531 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
534 // Load Upper Imediate
535 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
536 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
537 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
538 let neverHasSideEffects = 1;
539 let isReMaterializable = 1;
543 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
544 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
545 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
546 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
547 let DecoderMethod = "DecodeMem";
548 let canFoldAsLoad = 1;
552 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
553 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
554 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
555 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
556 let DecoderMethod = "DecodeMem";
560 // Load/Store Left/Right
561 let canFoldAsLoad = 1 in
562 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
563 InstrItinClass Itin> :
564 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
565 !strconcat(opstr, "\t$rt, $addr"),
566 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
567 let DecoderMethod = "DecodeMem";
568 string Constraints = "$src = $rt";
571 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
572 InstrItinClass Itin> :
573 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
574 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
575 let DecoderMethod = "DecodeMem";
578 // Conditional Branch
579 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
580 RegisterOperand RO> :
581 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
582 !strconcat(opstr, "\t$rs, $rt, $offset"),
583 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
586 let isTerminator = 1;
587 let hasDelaySlot = 1;
591 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
592 RegisterOperand RO> :
593 InstSE<(outs), (ins RO:$rs, opnd:$offset),
594 !strconcat(opstr, "\t$rs, $offset"),
595 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
598 let isTerminator = 1;
599 let hasDelaySlot = 1;
604 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
605 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
606 !strconcat(opstr, "\t$rd, $rs, $rt"),
607 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
608 II_SLT_SLTU, FrmR, opstr>;
610 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
612 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
613 !strconcat(opstr, "\t$rt, $rs, $imm16"),
614 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
615 II_SLTI_SLTIU, FrmI, opstr>;
618 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
619 SDPatternOperator targetoperator, string bopstr> :
620 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
621 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
624 let hasDelaySlot = 1;
625 let DecoderMethod = "DecodeJumpTarget";
629 // Unconditional branch
630 class UncondBranch<Instruction BEQInst> :
631 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
632 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
634 let isTerminator = 1;
636 let hasDelaySlot = 1;
637 let AdditionalPredicates = [RelocPIC];
641 // Base class for indirect branch and return instruction classes.
642 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
643 class JumpFR<string opstr, RegisterOperand RO,
644 SDPatternOperator operator = null_frag>:
645 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
649 class IndirectBranch<string opstr, RegisterOperand RO> :
650 JumpFR<opstr, RO, brind> {
652 let isIndirectBranch = 1;
655 // Return instruction
656 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
658 let isCodeGenOnly = 1;
660 let hasExtraSrcRegAllocReq = 1;
663 // Jump and Link (Call)
664 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
665 class JumpLink<string opstr, DAGOperand opnd> :
666 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
667 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
668 let DecoderMethod = "DecodeJumpTarget";
671 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
672 Register RetReg, RegisterOperand ResRO = RO>:
673 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
674 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
676 class JumpLinkReg<string opstr, RegisterOperand RO>:
677 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
680 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
681 InstSE<(outs), (ins RO:$rs, opnd:$offset),
682 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
686 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
687 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
688 class TailCall<Instruction JumpInst> :
689 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
690 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
692 class TailCallReg<RegisterOperand RO, Instruction JRInst,
693 RegisterOperand ResRO = RO> :
694 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
695 PseudoInstExpansion<(JRInst ResRO:$rs)>;
698 class BAL_BR_Pseudo<Instruction RealInst> :
699 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
700 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
702 let isTerminator = 1;
704 let hasDelaySlot = 1;
709 class SYS_FT<string opstr> :
710 InstSE<(outs), (ins uimm20:$code_),
711 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
713 class BRK_FT<string opstr> :
714 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
715 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
719 class ER_FT<string opstr> :
720 InstSE<(outs), (ins),
721 opstr, [], NoItinerary, FrmOther, opstr>;
724 class DEI_FT<string opstr, RegisterOperand RO> :
725 InstSE<(outs RO:$rt), (ins),
726 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
729 class WAIT_FT<string opstr> :
730 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
733 let hasSideEffects = 1 in
734 class SYNC_FT<string opstr> :
735 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
736 NoItinerary, FrmOther, opstr>;
738 let hasSideEffects = 1 in
739 class TEQ_FT<string opstr, RegisterOperand RO> :
740 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
741 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
744 class TEQI_FT<string opstr, RegisterOperand RO> :
745 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
746 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
748 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
749 list<Register> DefRegs> :
750 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
752 let isCommutable = 1;
754 let neverHasSideEffects = 1;
757 // Pseudo multiply/divide instruction with explicit accumulator register
759 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
760 SDPatternOperator OpNode, InstrItinClass Itin,
761 bit IsComm = 1, bit HasSideEffects = 0,
762 bit UsesCustomInserter = 0> :
763 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
764 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
765 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
766 let isCommutable = IsComm;
767 let hasSideEffects = HasSideEffects;
768 let usesCustomInserter = UsesCustomInserter;
771 // Pseudo multiply add/sub instruction with explicit accumulator register
773 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
775 : PseudoSE<(outs ACC64:$ac),
776 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
778 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
780 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
781 string Constraints = "$acin = $ac";
784 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
785 list<Register> DefRegs> :
786 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
787 [], itin, FrmR, opstr> {
792 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
793 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
794 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
796 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
797 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
800 let neverHasSideEffects = 1;
803 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
804 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
805 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
808 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
809 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
812 let neverHasSideEffects = 1;
815 class EffectiveAddress<string opstr, RegisterOperand RO> :
816 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
817 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
818 !strconcat(opstr, "_lea")> {
819 let isCodeGenOnly = 1;
820 let DecoderMethod = "DecodeMem";
823 // Count Leading Ones/Zeros in Word
824 class CountLeading0<string opstr, RegisterOperand RO>:
825 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
826 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
828 class CountLeading1<string opstr, RegisterOperand RO>:
829 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
830 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
832 // Sign Extend in Register.
833 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
834 InstrItinClass itin> :
835 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
836 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
839 class SubwordSwap<string opstr, RegisterOperand RO>:
840 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
841 NoItinerary, FrmR, opstr> {
842 let neverHasSideEffects = 1;
846 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
847 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
851 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
852 SDPatternOperator Op = null_frag>:
853 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
854 !strconcat(opstr, " $rt, $rs, $pos, $size"),
855 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
856 FrmR, opstr>, ISA_MIPS32R2;
858 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
859 SDPatternOperator Op = null_frag>:
860 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
861 !strconcat(opstr, " $rt, $rs, $pos, $size"),
862 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
863 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
864 let Constraints = "$src = $rt";
867 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
868 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
869 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
870 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
872 // Atomic Compare & Swap.
873 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
874 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
875 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
877 class LLBase<string opstr, RegisterOperand RO> :
878 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
879 [], NoItinerary, FrmI> {
880 let DecoderMethod = "DecodeMem";
884 class SCBase<string opstr, RegisterOperand RO> :
885 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
886 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
887 let DecoderMethod = "DecodeMem";
889 let Constraints = "$rt = $dst";
892 class MFC3OP<string asmstr, RegisterOperand RO> :
893 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
894 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
896 class TrapBase<Instruction RealInst>
897 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
898 PseudoInstExpansion<(RealInst 0, 0)> {
900 let isTerminator = 1;
901 let isCodeGenOnly = 1;
904 //===----------------------------------------------------------------------===//
905 // Pseudo instructions
906 //===----------------------------------------------------------------------===//
909 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
910 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
912 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
913 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
914 [(callseq_start timm:$amt)]>;
915 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
916 [(callseq_end timm:$amt1, timm:$amt2)]>;
919 let usesCustomInserter = 1 in {
920 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
921 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
922 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
923 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
924 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
925 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
926 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
927 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
928 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
929 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
930 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
931 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
932 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
933 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
934 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
935 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
936 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
937 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
939 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
940 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
941 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
943 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
944 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
945 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
948 /// Pseudo instructions for loading and storing accumulator registers.
949 let isPseudo = 1, isCodeGenOnly = 1 in {
950 def LOAD_ACC64 : Load<"", ACC64>;
951 def STORE_ACC64 : Store<"", ACC64>;
954 // We need these two pseudo instructions to avoid offset calculation for long
955 // branches. See the comment in file MipsLongBranch.cpp for detailed
958 // Expands to: lui $dst, %hi($tgt - $baltgt)
959 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
960 (ins brtarget:$tgt, brtarget:$baltgt), []>;
962 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
963 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
964 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
966 //===----------------------------------------------------------------------===//
967 // Instruction definition
968 //===----------------------------------------------------------------------===//
969 //===----------------------------------------------------------------------===//
970 // MipsI Instructions
971 //===----------------------------------------------------------------------===//
973 /// Arithmetic Instructions (ALU Immediate)
974 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
976 ADDI_FM<0x9>, IsAsCheapAsAMove;
977 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
978 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
980 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
982 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
985 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
988 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
991 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
993 /// Arithmetic Instructions (3-Operand, R-Type)
994 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
996 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
998 let Defs = [HI0, LO0] in
999 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1001 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1002 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1003 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1004 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1005 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1007 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1009 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1011 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1013 /// Shift Instructions
1014 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1015 immZExt5>, SRA_FM<0, 0>;
1016 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1017 immZExt5>, SRA_FM<2, 0>;
1018 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1019 immZExt5>, SRA_FM<3, 0>;
1020 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1022 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1024 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1027 // Rotate Instructions
1028 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1030 SRA_FM<2, 1>, ISA_MIPS32R2;
1031 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1032 SRLV_FM<6, 1>, ISA_MIPS32R2;
1034 /// Load and Store Instructions
1036 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1037 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1039 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1041 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1042 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1044 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1045 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1046 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1048 /// load/store left/right
1049 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1050 AdditionalPredicates = [NotInMicroMips] in {
1051 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1052 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1053 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1054 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1057 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1058 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1059 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1060 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1061 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1062 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1063 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1065 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>, ISA_MIPS2;
1066 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>, ISA_MIPS2;
1067 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>, ISA_MIPS2;
1068 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>, ISA_MIPS2;
1069 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>, ISA_MIPS2;
1070 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>, ISA_MIPS2;
1072 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1073 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1074 def TRAP : TrapBase<BREAK>;
1076 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1077 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1079 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1080 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1082 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1083 AdditionalPredicates = [NotInMicroMips] in {
1084 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1086 /// Load-linked, Store-conditional
1087 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1088 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1091 /// Jump and Branch Instructions
1092 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1093 AdditionalRequires<[RelocStatic]>, IsBranch;
1094 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1095 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1096 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1097 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1099 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1101 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1103 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1105 def B : UncondBranch<BEQ>;
1107 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1108 let AdditionalPredicates = [NotInMicroMips] in {
1109 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1110 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1112 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1113 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1114 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1115 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1116 def TAILCALL : TailCall<J>;
1117 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1119 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1121 // Exception handling related node and instructions.
1122 // The conversion sequence is:
1123 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1124 // MIPSeh_return -> (stack change + indirect branch)
1126 // MIPSeh_return takes the place of regular return instruction
1127 // but takes two arguments (V1, V0) which are used for storing
1128 // the offset and return address respectively.
1129 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1131 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1132 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1134 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1135 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1136 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1137 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1139 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1142 /// Multiply and Divide Instructions.
1143 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1145 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1147 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1149 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1152 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1153 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1154 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1155 AdditionalPredicates = [NotInMicroMips] in {
1156 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1157 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1160 /// Sign Ext In Register Instructions.
1161 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1162 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1163 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1164 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1167 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>, ISA_MIPS32;
1168 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>, ISA_MIPS32;
1170 /// Word Swap Bytes Within Halfwords
1171 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1174 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1176 // FrameIndexes are legalized when they are operands from load/store
1177 // instructions. The same not happens for stack address copies, so an
1178 // add op with mem ComplexPattern is used and the stack address copy
1179 // can be matched. It's similar to Sparc LEA_ADDRi
1180 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1183 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>;
1184 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1185 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1186 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
1188 let AdditionalPredicates = [NotDSP] in {
1189 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1190 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1191 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1192 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1193 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1194 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1195 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1196 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1197 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1200 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1202 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1205 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1207 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1208 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1210 /// Move Control Registers From/To CPU Registers
1211 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1212 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1213 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1214 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1216 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1218 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1219 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1220 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1222 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1224 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1225 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1226 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1227 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1229 //===----------------------------------------------------------------------===//
1230 // Instruction aliases
1231 //===----------------------------------------------------------------------===//
1232 def : MipsInstAlias<"move $dst, $src",
1233 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1234 Requires<[IsGP32, NotInMicroMips]>;
1235 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1236 def : MipsInstAlias<"addu $rs, $rt, $imm",
1237 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1238 def : MipsInstAlias<"add $rs, $rt, $imm",
1239 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1240 def : MipsInstAlias<"and $rs, $rt, $imm",
1241 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1242 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1243 let Predicates = [NotInMicroMips] in {
1244 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1246 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1247 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1248 def : MipsInstAlias<"not $rt, $rs",
1249 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1250 def : MipsInstAlias<"neg $rt, $rs",
1251 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1252 def : MipsInstAlias<"negu $rt",
1253 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1254 def : MipsInstAlias<"negu $rt, $rs",
1255 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1256 def : MipsInstAlias<"slt $rs, $rt, $imm",
1257 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1258 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1259 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1260 def : MipsInstAlias<"xor $rs, $rt, $imm",
1261 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1262 def : MipsInstAlias<"or $rs, $rt, $imm",
1263 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1264 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1265 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1266 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1267 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1268 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1269 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1270 def : MipsInstAlias<"bnez $rs,$offset",
1271 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1272 def : MipsInstAlias<"beqz $rs,$offset",
1273 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1274 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1276 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1277 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1278 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1279 def : MipsInstAlias<"di", (DI ZERO), 1>;
1281 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1282 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1283 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1285 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1286 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1288 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1289 def : MipsInstAlias<"sll $rd, $rt, $rs",
1290 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1291 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1292 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1293 InvertedImOperand:$imm)>;
1294 def : MipsInstAlias<"sub $rs, $imm",
1295 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1297 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1298 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1299 InvertedImOperand:$imm)>;
1300 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1301 InvertedImOperand:$imm), 0>;
1302 def : MipsInstAlias<"sra $rd, $rt, $rs",
1303 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1304 def : MipsInstAlias<"srl $rd, $rt, $rs",
1305 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1306 //===----------------------------------------------------------------------===//
1307 // Assembler Pseudo Instructions
1308 //===----------------------------------------------------------------------===//
1310 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1311 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1312 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1313 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1315 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1316 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1317 !strconcat(instr_asm, "\t$rt, $addr")> ;
1318 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1320 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1321 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1322 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1323 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1325 //===----------------------------------------------------------------------===//
1326 // Arbitrary patterns that map to one or more instructions
1327 //===----------------------------------------------------------------------===//
1329 // Load/store pattern templates.
1330 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1331 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1333 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1334 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1337 def : MipsPat<(i32 immSExt16:$in),
1338 (ADDiu ZERO, imm:$in)>;
1339 def : MipsPat<(i32 immZExt16:$in),
1340 (ORi ZERO, imm:$in)>;
1341 def : MipsPat<(i32 immLow16Zero:$in),
1342 (LUi (HI16 imm:$in))>;
1344 // Arbitrary immediates
1345 def : MipsPat<(i32 imm:$imm),
1346 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1348 // Carry MipsPatterns
1349 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1350 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1351 let AdditionalPredicates = [NotDSP] in {
1352 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1353 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1354 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1355 (ADDiu GPR32:$src, imm:$imm)>;
1359 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1360 (JAL tglobaladdr:$dst)>;
1361 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1362 (JAL texternalsym:$dst)>;
1363 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1364 // (JALR GPR32:$dst)>;
1367 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1368 (TAILCALL tglobaladdr:$dst)>;
1369 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1370 (TAILCALL texternalsym:$dst)>;
1372 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1373 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1374 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1375 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1376 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1377 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1379 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1380 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1381 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1382 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1383 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1384 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1386 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1387 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1388 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1389 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1390 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1391 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1392 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1393 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1394 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1395 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1398 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1399 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1400 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1401 (ADDiu GPR32:$gp, tconstpool:$in)>;
1404 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1405 MipsPat<(MipsWrapper RC:$gp, node:$in),
1406 (ADDiuOp RC:$gp, node:$in)>;
1408 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1409 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1410 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1411 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1412 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1413 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1415 // Mips does not have "not", so we expand our way
1416 def : MipsPat<(not GPR32:$in),
1417 (NOR GPR32Opnd:$in, ZERO)>;
1420 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1421 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1422 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1425 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1428 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1429 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1430 Instruction SLTiuOp, Register ZEROReg> {
1431 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1432 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1433 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1434 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1436 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1437 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1438 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1439 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1440 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1441 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1442 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1443 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1444 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1445 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1446 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1447 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1449 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1450 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1451 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1452 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1454 def : MipsPat<(brcond RC:$cond, bb:$dst),
1455 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1458 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1460 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1461 (BLEZ i32:$lhs, bb:$dst)>;
1462 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1463 (BGEZ i32:$lhs, bb:$dst)>;
1466 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1467 Instruction SLTuOp, Register ZEROReg> {
1468 def : MipsPat<(seteq RC:$lhs, 0),
1469 (SLTiuOp RC:$lhs, 1)>;
1470 def : MipsPat<(setne RC:$lhs, 0),
1471 (SLTuOp ZEROReg, RC:$lhs)>;
1472 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1473 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1474 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1475 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1478 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1479 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1480 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1481 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1482 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1485 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1486 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1487 (SLTOp RC:$rhs, RC:$lhs)>;
1488 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1489 (SLTuOp RC:$rhs, RC:$lhs)>;
1492 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1493 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1494 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1495 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1496 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1499 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1500 Instruction SLTiuOp> {
1501 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1502 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1503 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1504 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1507 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1508 defm : SetlePats<GPR32, SLT, SLTu>;
1509 defm : SetgtPats<GPR32, SLT, SLTu>;
1510 defm : SetgePats<GPR32, SLT, SLTu>;
1511 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1514 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1516 // Load halfword/word patterns.
1517 let AddedComplexity = 40 in {
1518 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1519 def : LoadRegImmPat<LH, i32, sextloadi16>;
1520 def : LoadRegImmPat<LW, i32, load>;
1523 //===----------------------------------------------------------------------===//
1524 // Floating Point Support
1525 //===----------------------------------------------------------------------===//
1527 include "MipsInstrFPU.td"
1528 include "Mips64InstrInfo.td"
1529 include "MipsCondMov.td"
1531 include "Mips32r6InstrInfo.td"
1532 include "Mips64r6InstrInfo.td"
1537 include "Mips16InstrFormats.td"
1538 include "Mips16InstrInfo.td"
1541 include "MipsDSPInstrFormats.td"
1542 include "MipsDSPInstrInfo.td"
1545 include "MipsMSAInstrFormats.td"
1546 include "MipsMSAInstrInfo.td"
1549 include "MicroMipsInstrFormats.td"
1550 include "MicroMipsInstrInfo.td"
1551 include "MicroMipsInstrFPU.td"