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_32r2 : Predicate<"Subtarget.hasMips3_32r2()">,
154 AssemblerPredicate<"FeatureMips3_32r2">;
155 def HasMips3 : Predicate<"Subtarget.hasMips3()">,
156 AssemblerPredicate<"FeatureMips3">;
157 def HasMips4_32 : Predicate<"Subtarget.hasMips4_32()">,
158 AssemblerPredicate<"FeatureMips4_32">;
159 def HasMips4_32r2 : Predicate<"Subtarget.hasMips4_32r2()">,
160 AssemblerPredicate<"FeatureMips4_32r2">;
161 def HasMips5_32r2 : Predicate<"Subtarget.hasMips5_32r2()">,
162 AssemblerPredicate<"FeatureMips5_32r2">;
163 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
164 AssemblerPredicate<"FeatureMips32">;
165 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
166 AssemblerPredicate<"FeatureMips32r2">;
167 def HasMips32r6 : Predicate<"Subtarget.hasMips32r6()">,
168 AssemblerPredicate<"FeatureMips32r6">;
169 def NotMips32r6 : Predicate<"!Subtarget.hasMips32r6()">,
170 AssemblerPredicate<"!FeatureMips32r6">;
171 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
172 AssemblerPredicate<"FeatureGP64Bit">;
173 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
174 AssemblerPredicate<"!FeatureGP64Bit">;
175 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
176 AssemblerPredicate<"FeatureMips64">;
177 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
178 AssemblerPredicate<"FeatureMips64r2">;
179 def HasMips64r6 : Predicate<"Subtarget.hasMips64r6()">,
180 AssemblerPredicate<"FeatureMips64r6">;
181 def NotMips64r6 : Predicate<"!Subtarget.hasMips64r6()">,
182 AssemblerPredicate<"!FeatureMips64r6">;
183 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
184 AssemblerPredicate<"FeatureN64">;
185 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
186 AssemblerPredicate<"FeatureMips16">;
187 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
188 AssemblerPredicate<"FeatureCnMips">;
189 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
190 AssemblerPredicate<"FeatureMips32">;
191 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
192 AssemblerPredicate<"FeatureMips32">;
193 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
194 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
195 AssemblerPredicate<"!FeatureMips16">;
196 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
197 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
198 AssemblerPredicate<"FeatureMicroMips">;
199 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
200 AssemblerPredicate<"!FeatureMicroMips">;
201 def IsLE : Predicate<"Subtarget.isLittle()">;
202 def IsBE : Predicate<"!Subtarget.isLittle()">;
203 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
205 //===----------------------------------------------------------------------===//
206 // Mips GPR size adjectives.
207 // They are mutually exclusive.
208 //===----------------------------------------------------------------------===//
210 class GPR_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
211 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
213 //===----------------------------------------------------------------------===//
214 // Mips ISA/ASE membership and instruction group membership adjectives.
215 // They are mutually exclusive.
216 //===----------------------------------------------------------------------===//
218 // FIXME: I'd prefer to use additive predicates to build the instruction sets
219 // but we are short on assembler feature bits at the moment. Using a
220 // subtractive predicate will hopefully keep us under the 32 predicate
221 // limit long enough to develop an alternative way to handle P1||P2
223 class ISA_MIPS1_NOT_32R6_64R6 {
224 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6];
226 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
227 class ISA_MIPS2_NOT_32R6_64R6 {
228 list<Predicate> InsnPredicates = [HasMips2, NotMips32r6, NotMips64r6];
230 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
231 class ISA_MIPS3_NOT_32R6_64R6 {
232 list<Predicate> InsnPredicates = [HasMips3, NotMips32r6, NotMips64r6];
234 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
235 class ISA_MIPS32_NOT_32R6_64R6 {
236 list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
238 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
239 class ISA_MIPS32R2_NOT_32R6_64R6 {
240 list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
242 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
243 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
244 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
245 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
247 // The portions of MIPS-III that were also added to MIPS32
248 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
250 // The portions of MIPS-III that were also added to MIPS32
251 class INSN_MIPS3_32R2 { list<Predicate> InsnPredicates = [HasMips3_32r2]; }
253 // The portions of MIPS-IV that were also added to MIPS32
254 class INSN_MIPS4_32 { list<Predicate> InsnPredicates = [HasMips4_32]; }
256 // The portions of MIPS-IV that were also added to MIPS32R2
257 class INSN_MIPS4_32R2 { list<Predicate> InsnPredicates = [HasMips4_32r2]; }
259 // The portions of MIPS-V that were also added to MIPS32R2
260 class INSN_MIPS5_32R2 { list<Predicate> InsnPredicates = [HasMips5_32r2]; }
262 //===----------------------------------------------------------------------===//
264 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
265 let EncodingPredicates = [HasStdEnc];
268 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
269 InstAlias<Asm, Result, Emit>, PredicateControl;
272 bit isCommutable = 1;
289 bit isTerminator = 1;
292 bit hasExtraSrcRegAllocReq = 1;
293 bit isCodeGenOnly = 1;
296 class IsAsCheapAsAMove {
297 bit isAsCheapAsAMove = 1;
300 class NeverHasSideEffects {
301 bit neverHasSideEffects = 1;
304 //===----------------------------------------------------------------------===//
305 // Instruction format superclass
306 //===----------------------------------------------------------------------===//
308 include "MipsInstrFormats.td"
310 //===----------------------------------------------------------------------===//
311 // Mips Operand, Complex Patterns and Transformations Definitions.
312 //===----------------------------------------------------------------------===//
314 def MipsJumpTargetAsmOperand : AsmOperandClass {
315 let Name = "JumpTarget";
316 let ParserMethod = "ParseJumpTarget";
317 let PredicateMethod = "isImm";
318 let RenderMethod = "addImmOperands";
321 // Instruction operand types
322 def jmptarget : Operand<OtherVT> {
323 let EncoderMethod = "getJumpTargetOpValue";
324 let ParserMatchClass = MipsJumpTargetAsmOperand;
326 def brtarget : Operand<OtherVT> {
327 let EncoderMethod = "getBranchTargetOpValue";
328 let OperandType = "OPERAND_PCREL";
329 let DecoderMethod = "DecodeBranchTarget";
330 let ParserMatchClass = MipsJumpTargetAsmOperand;
332 def calltarget : Operand<iPTR> {
333 let EncoderMethod = "getJumpTargetOpValue";
334 let ParserMatchClass = MipsJumpTargetAsmOperand;
337 def simm10 : Operand<i32>;
339 def simm16 : Operand<i32> {
340 let DecoderMethod= "DecodeSimm16";
343 def simm19_lsl2 : Operand<i32> {
344 let EncoderMethod = "getSimm19Lsl2Encoding";
345 let DecoderMethod = "DecodeSimm19Lsl2";
348 def simm18_lsl3 : Operand<i32> {
349 let EncoderMethod = "getSimm18Lsl3Encoding";
350 let DecoderMethod = "DecodeSimm18Lsl3";
353 def simm20 : Operand<i32> {
356 def uimm20 : Operand<i32> {
359 def uimm10 : Operand<i32> {
362 def simm16_64 : Operand<i64> {
363 let DecoderMethod = "DecodeSimm16";
367 def uimmz : Operand<i32> {
368 let PrintMethod = "printUnsignedImm";
372 def uimm2 : Operand<i32> {
373 let PrintMethod = "printUnsignedImm";
376 def uimm3 : Operand<i32> {
377 let PrintMethod = "printUnsignedImm";
380 def uimm5 : Operand<i32> {
381 let PrintMethod = "printUnsignedImm";
384 def uimm6 : Operand<i32> {
385 let PrintMethod = "printUnsignedImm";
388 def uimm16 : Operand<i32> {
389 let PrintMethod = "printUnsignedImm";
392 def pcrel16 : Operand<i32> {
395 def MipsMemAsmOperand : AsmOperandClass {
397 let ParserMethod = "parseMemOperand";
400 def MipsInvertedImmoperand : AsmOperandClass {
402 let RenderMethod = "addImmOperands";
403 let ParserMethod = "parseInvNum";
406 def InvertedImOperand : Operand<i32> {
407 let ParserMatchClass = MipsInvertedImmoperand;
410 def InvertedImOperand64 : Operand<i64> {
411 let ParserMatchClass = MipsInvertedImmoperand;
414 class mem_generic : Operand<iPTR> {
415 let PrintMethod = "printMemOperand";
416 let MIOperandInfo = (ops ptr_rc, simm16);
417 let EncoderMethod = "getMemEncoding";
418 let ParserMatchClass = MipsMemAsmOperand;
419 let OperandType = "OPERAND_MEMORY";
423 def mem : mem_generic;
425 // MSA specific address operand
426 def mem_msa : mem_generic {
427 let MIOperandInfo = (ops ptr_rc, simm10);
428 let EncoderMethod = "getMSAMemEncoding";
431 def mem_ea : Operand<iPTR> {
432 let PrintMethod = "printMemOperandEA";
433 let MIOperandInfo = (ops ptr_rc, simm16);
434 let EncoderMethod = "getMemEncoding";
435 let OperandType = "OPERAND_MEMORY";
438 def PtrRC : Operand<iPTR> {
439 let MIOperandInfo = (ops ptr_rc);
440 let DecoderMethod = "DecodePtrRegisterClass";
441 let ParserMatchClass = GPR32AsmOperand;
444 // size operand of ext instruction
445 def size_ext : Operand<i32> {
446 let EncoderMethod = "getSizeExtEncoding";
447 let DecoderMethod = "DecodeExtSize";
450 // size operand of ins instruction
451 def size_ins : Operand<i32> {
452 let EncoderMethod = "getSizeInsEncoding";
453 let DecoderMethod = "DecodeInsSize";
456 // Transformation Function - get the lower 16 bits.
457 def LO16 : SDNodeXForm<imm, [{
458 return getImm(N, N->getZExtValue() & 0xFFFF);
461 // Transformation Function - get the higher 16 bits.
462 def HI16 : SDNodeXForm<imm, [{
463 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
467 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
469 // Node immediate is zero (e.g. insve.d)
470 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
472 // Node immediate fits as 16-bit sign extended on target immediate.
474 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
476 // Node immediate fits as 16-bit sign extended on target immediate.
478 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
480 // Node immediate fits as 15-bit sign extended on target immediate.
482 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
484 // Node immediate fits as 16-bit zero extended on target immediate.
485 // The LO16 param means that only the lower 16 bits of the node
486 // immediate are caught.
488 def immZExt16 : PatLeaf<(imm), [{
489 if (N->getValueType(0) == MVT::i32)
490 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
492 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
495 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
496 def immLow16Zero : PatLeaf<(imm), [{
497 int64_t Val = N->getSExtValue();
498 return isInt<32>(Val) && !(Val & 0xffff);
501 // shamt field must fit in 5 bits.
502 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
504 // True if (N + 1) fits in 16-bit field.
505 def immSExt16Plus1 : PatLeaf<(imm), [{
506 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
509 // Mips Address Mode! SDNode frameindex could possibily be a match
510 // since load and store instructions from stack used it.
512 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
515 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
518 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
521 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
523 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
525 //===----------------------------------------------------------------------===//
526 // Instructions specific format
527 //===----------------------------------------------------------------------===//
529 // Arithmetic and logical instructions with 3 register operands.
530 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
531 InstrItinClass Itin = NoItinerary,
532 SDPatternOperator OpNode = null_frag>:
533 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
534 !strconcat(opstr, "\t$rd, $rs, $rt"),
535 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
536 let isCommutable = isComm;
537 let isReMaterializable = 1;
538 let TwoOperandAliasConstraint = "$rd = $rs";
541 // Arithmetic and logical instructions with 2 register operands.
542 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
543 InstrItinClass Itin = NoItinerary,
544 SDPatternOperator imm_type = null_frag,
545 SDPatternOperator OpNode = null_frag> :
546 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
547 !strconcat(opstr, "\t$rt, $rs, $imm16"),
548 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
550 let isReMaterializable = 1;
551 let TwoOperandAliasConstraint = "$rs = $rt";
554 // Arithmetic Multiply ADD/SUB
555 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
556 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
557 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
558 let Defs = [HI0, LO0];
559 let Uses = [HI0, LO0];
560 let isCommutable = isComm;
564 class LogicNOR<string opstr, RegisterOperand RO>:
565 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
566 !strconcat(opstr, "\t$rd, $rs, $rt"),
567 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
568 let isCommutable = 1;
572 class shift_rotate_imm<string opstr, Operand ImmOpnd,
573 RegisterOperand RO, InstrItinClass itin,
574 SDPatternOperator OpNode = null_frag,
575 SDPatternOperator PF = null_frag> :
576 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
577 !strconcat(opstr, "\t$rd, $rt, $shamt"),
578 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
579 let TwoOperandAliasConstraint = "$rt = $rd";
582 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
583 SDPatternOperator OpNode = null_frag>:
584 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
585 !strconcat(opstr, "\t$rd, $rt, $rs"),
586 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
589 // Load Upper Imediate
590 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
591 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
592 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
593 let neverHasSideEffects = 1;
594 let isReMaterializable = 1;
598 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
599 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
600 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
601 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
602 let DecoderMethod = "DecodeMem";
603 let canFoldAsLoad = 1;
607 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
608 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
609 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
610 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
611 let DecoderMethod = "DecodeMem";
615 // Load/Store Left/Right
616 let canFoldAsLoad = 1 in
617 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
618 InstrItinClass Itin> :
619 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
620 !strconcat(opstr, "\t$rt, $addr"),
621 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
622 let DecoderMethod = "DecodeMem";
623 string Constraints = "$src = $rt";
626 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
627 InstrItinClass Itin> :
628 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
629 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
630 let DecoderMethod = "DecodeMem";
633 // Conditional Branch
634 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
635 RegisterOperand RO> :
636 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
637 !strconcat(opstr, "\t$rs, $rt, $offset"),
638 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
641 let isTerminator = 1;
642 let hasDelaySlot = 1;
646 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
647 RegisterOperand RO> :
648 InstSE<(outs), (ins RO:$rs, opnd:$offset),
649 !strconcat(opstr, "\t$rs, $offset"),
650 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
653 let isTerminator = 1;
654 let hasDelaySlot = 1;
659 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
660 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
661 !strconcat(opstr, "\t$rd, $rs, $rt"),
662 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
663 II_SLT_SLTU, FrmR, opstr>;
665 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
667 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
668 !strconcat(opstr, "\t$rt, $rs, $imm16"),
669 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
670 II_SLTI_SLTIU, FrmI, opstr>;
673 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
674 SDPatternOperator targetoperator, string bopstr> :
675 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
676 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
679 let hasDelaySlot = 1;
680 let DecoderMethod = "DecodeJumpTarget";
684 // Unconditional branch
685 class UncondBranch<Instruction BEQInst> :
686 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
687 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
689 let isTerminator = 1;
691 let hasDelaySlot = 1;
692 let AdditionalPredicates = [RelocPIC];
696 // Base class for indirect branch and return instruction classes.
697 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
698 class JumpFR<string opstr, RegisterOperand RO,
699 SDPatternOperator operator = null_frag>:
700 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
704 class IndirectBranch<string opstr, RegisterOperand RO> :
705 JumpFR<opstr, RO, brind> {
707 let isIndirectBranch = 1;
710 // Return instruction
711 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
713 let isCodeGenOnly = 1;
715 let hasExtraSrcRegAllocReq = 1;
718 // Jump and Link (Call)
719 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
720 class JumpLink<string opstr, DAGOperand opnd> :
721 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
722 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
723 let DecoderMethod = "DecodeJumpTarget";
726 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
727 Register RetReg, RegisterOperand ResRO = RO>:
728 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
729 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
731 class JumpLinkReg<string opstr, RegisterOperand RO>:
732 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
735 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
736 InstSE<(outs), (ins RO:$rs, opnd:$offset),
737 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
741 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
742 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
743 class TailCall<Instruction JumpInst> :
744 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
745 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
747 class TailCallReg<RegisterOperand RO, Instruction JRInst,
748 RegisterOperand ResRO = RO> :
749 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
750 PseudoInstExpansion<(JRInst ResRO:$rs)>;
753 class BAL_BR_Pseudo<Instruction RealInst> :
754 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
755 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
757 let isTerminator = 1;
759 let hasDelaySlot = 1;
764 class SYS_FT<string opstr> :
765 InstSE<(outs), (ins uimm20:$code_),
766 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
768 class BRK_FT<string opstr> :
769 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
770 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
774 class ER_FT<string opstr> :
775 InstSE<(outs), (ins),
776 opstr, [], NoItinerary, FrmOther, opstr>;
779 class DEI_FT<string opstr, RegisterOperand RO> :
780 InstSE<(outs RO:$rt), (ins),
781 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
784 class WAIT_FT<string opstr> :
785 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
788 let hasSideEffects = 1 in
789 class SYNC_FT<string opstr> :
790 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
791 NoItinerary, FrmOther, opstr>;
793 let hasSideEffects = 1 in
794 class TEQ_FT<string opstr, RegisterOperand RO> :
795 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
796 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
799 class TEQI_FT<string opstr, RegisterOperand RO> :
800 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
801 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
803 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
804 list<Register> DefRegs> :
805 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
807 let isCommutable = 1;
809 let neverHasSideEffects = 1;
812 // Pseudo multiply/divide instruction with explicit accumulator register
814 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
815 SDPatternOperator OpNode, InstrItinClass Itin,
816 bit IsComm = 1, bit HasSideEffects = 0,
817 bit UsesCustomInserter = 0> :
818 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
819 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
820 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
821 let isCommutable = IsComm;
822 let hasSideEffects = HasSideEffects;
823 let usesCustomInserter = UsesCustomInserter;
826 // Pseudo multiply add/sub instruction with explicit accumulator register
828 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
830 : PseudoSE<(outs ACC64:$ac),
831 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
833 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
835 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
836 string Constraints = "$acin = $ac";
839 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
840 list<Register> DefRegs> :
841 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
842 [], itin, FrmR, opstr> {
847 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
848 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
849 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
851 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
852 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
855 let neverHasSideEffects = 1;
858 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
859 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
860 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
863 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
864 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
867 let neverHasSideEffects = 1;
870 class EffectiveAddress<string opstr, RegisterOperand RO> :
871 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
872 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
873 !strconcat(opstr, "_lea")> {
874 let isCodeGenOnly = 1;
875 let DecoderMethod = "DecodeMem";
878 // Count Leading Ones/Zeros in Word
879 class CountLeading0<string opstr, RegisterOperand RO>:
880 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
881 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
883 class CountLeading1<string opstr, RegisterOperand RO>:
884 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
885 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
887 // Sign Extend in Register.
888 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
889 InstrItinClass itin> :
890 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
891 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
894 class SubwordSwap<string opstr, RegisterOperand RO>:
895 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
896 NoItinerary, FrmR, opstr> {
897 let neverHasSideEffects = 1;
901 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
902 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
906 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
907 SDPatternOperator Op = null_frag>:
908 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
909 !strconcat(opstr, " $rt, $rs, $pos, $size"),
910 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
911 FrmR, opstr>, ISA_MIPS32R2;
913 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
914 SDPatternOperator Op = null_frag>:
915 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
916 !strconcat(opstr, " $rt, $rs, $pos, $size"),
917 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
918 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
919 let Constraints = "$src = $rt";
922 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
923 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
924 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
925 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
927 // Atomic Compare & Swap.
928 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
929 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
930 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
932 class LLBase<string opstr, RegisterOperand RO> :
933 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
934 [], NoItinerary, FrmI> {
935 let DecoderMethod = "DecodeMem";
939 class SCBase<string opstr, RegisterOperand RO> :
940 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
941 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
942 let DecoderMethod = "DecodeMem";
944 let Constraints = "$rt = $dst";
947 class MFC3OP<string asmstr, RegisterOperand RO> :
948 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
949 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
951 class TrapBase<Instruction RealInst>
952 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
953 PseudoInstExpansion<(RealInst 0, 0)> {
955 let isTerminator = 1;
956 let isCodeGenOnly = 1;
959 //===----------------------------------------------------------------------===//
960 // Pseudo instructions
961 //===----------------------------------------------------------------------===//
964 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
965 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
967 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
968 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
969 [(callseq_start timm:$amt)]>;
970 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
971 [(callseq_end timm:$amt1, timm:$amt2)]>;
974 let usesCustomInserter = 1 in {
975 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
976 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
977 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
978 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
979 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
980 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
981 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
982 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
983 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
984 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
985 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
986 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
987 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
988 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
989 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
990 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
991 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
992 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
994 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
995 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
996 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
998 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
999 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1000 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1003 /// Pseudo instructions for loading and storing accumulator registers.
1004 let isPseudo = 1, isCodeGenOnly = 1 in {
1005 def LOAD_ACC64 : Load<"", ACC64>;
1006 def STORE_ACC64 : Store<"", ACC64>;
1009 // We need these two pseudo instructions to avoid offset calculation for long
1010 // branches. See the comment in file MipsLongBranch.cpp for detailed
1013 // Expands to: lui $dst, %hi($tgt - $baltgt)
1014 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1015 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1017 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1018 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1019 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1021 //===----------------------------------------------------------------------===//
1022 // Instruction definition
1023 //===----------------------------------------------------------------------===//
1024 //===----------------------------------------------------------------------===//
1025 // MipsI Instructions
1026 //===----------------------------------------------------------------------===//
1028 /// Arithmetic Instructions (ALU Immediate)
1029 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
1031 ADDI_FM<0x9>, IsAsCheapAsAMove;
1032 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1033 ISA_MIPS1_NOT_32R6_64R6;
1034 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1036 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1038 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
1041 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
1044 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
1047 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1049 /// Arithmetic Instructions (3-Operand, R-Type)
1050 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1052 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1054 let Defs = [HI0, LO0] in
1055 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1056 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1057 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1058 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1059 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1060 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1061 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1063 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1065 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1067 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1069 /// Shift Instructions
1070 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1071 immZExt5>, SRA_FM<0, 0>;
1072 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1073 immZExt5>, SRA_FM<2, 0>;
1074 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1075 immZExt5>, SRA_FM<3, 0>;
1076 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1078 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1080 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1083 // Rotate Instructions
1084 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1086 SRA_FM<2, 1>, ISA_MIPS32R2;
1087 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1088 SRLV_FM<6, 1>, ISA_MIPS32R2;
1090 /// Load and Store Instructions
1092 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1093 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1095 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1097 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1098 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1100 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1101 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1102 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1104 /// load/store left/right
1105 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1106 AdditionalPredicates = [NotInMicroMips] in {
1107 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1108 ISA_MIPS1_NOT_32R6_64R6;
1109 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1110 ISA_MIPS1_NOT_32R6_64R6;
1111 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1112 ISA_MIPS1_NOT_32R6_64R6;
1113 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1114 ISA_MIPS1_NOT_32R6_64R6;
1117 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1118 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1119 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1120 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1121 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1122 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1123 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1125 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1126 ISA_MIPS2_NOT_32R6_64R6;
1127 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1128 ISA_MIPS2_NOT_32R6_64R6;
1129 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1130 ISA_MIPS2_NOT_32R6_64R6;
1131 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1132 ISA_MIPS2_NOT_32R6_64R6;
1133 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1134 ISA_MIPS2_NOT_32R6_64R6;
1135 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1136 ISA_MIPS2_NOT_32R6_64R6;
1138 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1139 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1140 def TRAP : TrapBase<BREAK>;
1142 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1143 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>, ISA_MIPS32;
1145 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1146 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1148 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1149 AdditionalPredicates = [NotInMicroMips] in {
1150 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1152 /// Load-linked, Store-conditional
1153 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1154 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1157 /// Jump and Branch Instructions
1158 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1159 AdditionalRequires<[RelocStatic]>, IsBranch;
1160 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1161 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1162 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1163 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1165 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1167 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1169 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1171 def B : UncondBranch<BEQ>;
1173 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1174 let AdditionalPredicates = [NotInMicroMips] in {
1175 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1176 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1178 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1179 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1180 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1181 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1182 def TAILCALL : TailCall<J>;
1183 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1185 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1187 // Exception handling related node and instructions.
1188 // The conversion sequence is:
1189 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1190 // MIPSeh_return -> (stack change + indirect branch)
1192 // MIPSeh_return takes the place of regular return instruction
1193 // but takes two arguments (V1, V0) which are used for storing
1194 // the offset and return address respectively.
1195 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1197 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1198 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1200 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1201 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1202 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1203 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1205 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1208 /// Multiply and Divide Instructions.
1209 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1210 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1211 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1212 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1213 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1214 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1215 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1216 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1218 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1219 ISA_MIPS1_NOT_32R6_64R6;
1220 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1221 ISA_MIPS1_NOT_32R6_64R6;
1222 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1223 AdditionalPredicates = [NotInMicroMips] in {
1224 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1225 ISA_MIPS1_NOT_32R6_64R6;
1226 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1227 ISA_MIPS1_NOT_32R6_64R6;
1230 /// Sign Ext In Register Instructions.
1231 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1232 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1233 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1234 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1237 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>, ISA_MIPS32;
1238 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>, ISA_MIPS32;
1240 /// Word Swap Bytes Within Halfwords
1241 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1244 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1246 // FrameIndexes are legalized when they are operands from load/store
1247 // instructions. The same not happens for stack address copies, so an
1248 // add op with mem ComplexPattern is used and the stack address copy
1249 // can be matched. It's similar to Sparc LEA_ADDRi
1250 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1253 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1254 ISA_MIPS32_NOT_32R6_64R6;
1255 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1256 ISA_MIPS32_NOT_32R6_64R6;
1257 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1258 ISA_MIPS32_NOT_32R6_64R6;
1259 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1260 ISA_MIPS32_NOT_32R6_64R6;
1262 let AdditionalPredicates = [NotDSP] in {
1263 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1264 ISA_MIPS1_NOT_32R6_64R6;
1265 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1266 ISA_MIPS1_NOT_32R6_64R6;
1267 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1268 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1269 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1270 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1271 ISA_MIPS32_NOT_32R6_64R6;
1272 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1273 ISA_MIPS32_NOT_32R6_64R6;
1274 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1275 ISA_MIPS32_NOT_32R6_64R6;
1276 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1277 ISA_MIPS32_NOT_32R6_64R6;
1280 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1281 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1282 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1283 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1285 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1287 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1288 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1290 /// Move Control Registers From/To CPU Registers
1291 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1292 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1293 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1294 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1296 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1298 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1299 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1300 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1302 // JR_HB and JALR_HB are defined here using the new style naming
1303 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1304 // and because of that it doesn't follow the naming convention of the
1305 // rest of the file. To avoid a mixture of old vs new style, the new
1306 // style was chosen.
1307 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1308 dag OutOperandList = (outs);
1309 dag InOperandList = (ins GPROpnd:$rs);
1310 string AsmString = !strconcat(instr_asm, "\t$rs");
1311 list<dag> Pattern = [];
1314 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1315 dag OutOperandList = (outs GPROpnd:$rd);
1316 dag InOperandList = (ins GPROpnd:$rs);
1317 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1318 list<dag> Pattern = [];
1321 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1322 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1324 let isIndirectBranch=1;
1330 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1331 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1332 let isIndirectBranch=1;
1336 class JR_HB_ENC : JR_HB_FM<8>;
1337 class JALR_HB_ENC : JALR_HB_FM<9>;
1339 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1340 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1342 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1344 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1345 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1346 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1347 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1349 //===----------------------------------------------------------------------===//
1350 // Instruction aliases
1351 //===----------------------------------------------------------------------===//
1352 def : MipsInstAlias<"move $dst, $src",
1353 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1355 let AdditionalPredicates = [NotInMicroMips];
1357 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1358 def : MipsInstAlias<"addu $rs, $rt, $imm",
1359 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1360 def : MipsInstAlias<"add $rs, $rt, $imm",
1361 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1362 def : MipsInstAlias<"and $rs, $rt, $imm",
1363 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1364 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1365 let Predicates = [NotInMicroMips] in {
1366 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1368 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1369 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1370 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1371 def : MipsInstAlias<"not $rt, $rs",
1372 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1373 def : MipsInstAlias<"neg $rt, $rs",
1374 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1375 def : MipsInstAlias<"negu $rt",
1376 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1377 def : MipsInstAlias<"negu $rt, $rs",
1378 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1379 def : MipsInstAlias<"slt $rs, $rt, $imm",
1380 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1381 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1382 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1383 def : MipsInstAlias<"xor $rs, $rt, $imm",
1384 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1385 def : MipsInstAlias<"or $rs, $rt, $imm",
1386 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1387 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1388 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1389 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1390 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1391 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1392 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1393 def : MipsInstAlias<"bnez $rs,$offset",
1394 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1395 def : MipsInstAlias<"beqz $rs,$offset",
1396 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1397 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1399 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1400 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1401 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1402 def : MipsInstAlias<"di", (DI ZERO), 1>;
1404 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1405 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1406 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1408 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1409 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1411 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1412 def : MipsInstAlias<"sll $rd, $rt, $rs",
1413 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1414 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1415 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1416 InvertedImOperand:$imm), 0>;
1417 def : MipsInstAlias<"sub $rs, $imm",
1418 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1420 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1421 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1422 InvertedImOperand:$imm), 0>;
1423 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1424 InvertedImOperand:$imm), 0>;
1425 def : MipsInstAlias<"sra $rd, $rt, $rs",
1426 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1427 def : MipsInstAlias<"srl $rd, $rt, $rs",
1428 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1429 //===----------------------------------------------------------------------===//
1430 // Assembler Pseudo Instructions
1431 //===----------------------------------------------------------------------===//
1433 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1434 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1435 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1436 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1438 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1439 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1440 !strconcat(instr_asm, "\t$rt, $addr")> ;
1441 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1443 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1444 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1445 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1446 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1448 //===----------------------------------------------------------------------===//
1449 // Arbitrary patterns that map to one or more instructions
1450 //===----------------------------------------------------------------------===//
1452 // Load/store pattern templates.
1453 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1454 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1456 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1457 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1460 def : MipsPat<(i32 immSExt16:$in),
1461 (ADDiu ZERO, imm:$in)>;
1462 def : MipsPat<(i32 immZExt16:$in),
1463 (ORi ZERO, imm:$in)>;
1464 def : MipsPat<(i32 immLow16Zero:$in),
1465 (LUi (HI16 imm:$in))>;
1467 // Arbitrary immediates
1468 def : MipsPat<(i32 imm:$imm),
1469 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1471 // Carry MipsPatterns
1472 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1473 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1474 let AdditionalPredicates = [NotDSP] in {
1475 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1476 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1477 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1478 (ADDiu GPR32:$src, imm:$imm)>;
1482 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1483 (JAL tglobaladdr:$dst)>;
1484 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1485 (JAL texternalsym:$dst)>;
1486 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1487 // (JALR GPR32:$dst)>;
1490 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1491 (TAILCALL tglobaladdr:$dst)>;
1492 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1493 (TAILCALL texternalsym:$dst)>;
1495 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1496 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1497 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1498 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1499 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1500 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1502 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1503 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1504 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1505 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1506 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1507 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1509 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1510 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1511 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1512 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1513 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1514 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1515 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1516 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1517 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1518 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1521 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1522 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1523 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1524 (ADDiu GPR32:$gp, tconstpool:$in)>;
1527 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1528 MipsPat<(MipsWrapper RC:$gp, node:$in),
1529 (ADDiuOp RC:$gp, node:$in)>;
1531 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1532 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1533 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1534 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1535 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1536 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1538 // Mips does not have "not", so we expand our way
1539 def : MipsPat<(not GPR32:$in),
1540 (NOR GPR32Opnd:$in, ZERO)>;
1543 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1544 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1545 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1548 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1551 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1552 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1553 Instruction SLTiuOp, Register ZEROReg> {
1554 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1555 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1556 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1557 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1559 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1560 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1561 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1562 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1563 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1564 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1565 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1566 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1567 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1568 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1569 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1570 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1572 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1573 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1574 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1575 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1577 def : MipsPat<(brcond RC:$cond, bb:$dst),
1578 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1581 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1583 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1584 (BLEZ i32:$lhs, bb:$dst)>;
1585 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1586 (BGEZ i32:$lhs, bb:$dst)>;
1589 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1590 Instruction SLTuOp, Register ZEROReg> {
1591 def : MipsPat<(seteq RC:$lhs, 0),
1592 (SLTiuOp RC:$lhs, 1)>;
1593 def : MipsPat<(setne RC:$lhs, 0),
1594 (SLTuOp ZEROReg, RC:$lhs)>;
1595 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1596 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1597 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1598 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1601 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1602 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1603 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1604 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1605 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1608 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1609 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1610 (SLTOp RC:$rhs, RC:$lhs)>;
1611 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1612 (SLTuOp RC:$rhs, RC:$lhs)>;
1615 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1616 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1617 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1618 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1619 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1622 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1623 Instruction SLTiuOp> {
1624 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1625 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1626 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1627 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1630 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1631 defm : SetlePats<GPR32, SLT, SLTu>;
1632 defm : SetgtPats<GPR32, SLT, SLTu>;
1633 defm : SetgePats<GPR32, SLT, SLTu>;
1634 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1637 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1639 // Load halfword/word patterns.
1640 let AddedComplexity = 40 in {
1641 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1642 def : LoadRegImmPat<LH, i32, sextloadi16>;
1643 def : LoadRegImmPat<LW, i32, load>;
1646 //===----------------------------------------------------------------------===//
1647 // Floating Point Support
1648 //===----------------------------------------------------------------------===//
1650 include "MipsInstrFPU.td"
1651 include "Mips64InstrInfo.td"
1652 include "MipsCondMov.td"
1654 include "Mips32r6InstrInfo.td"
1655 include "Mips64r6InstrInfo.td"
1660 include "Mips16InstrFormats.td"
1661 include "Mips16InstrInfo.td"
1664 include "MipsDSPInstrFormats.td"
1665 include "MipsDSPInstrInfo.td"
1668 include "MipsMSAInstrFormats.td"
1669 include "MipsMSAInstrInfo.td"
1672 include "MicroMipsInstrFormats.td"
1673 include "MicroMipsInstrInfo.td"
1674 include "MicroMipsInstrFPU.td"