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 HasMips5_32r2 : Predicate<"Subtarget.hasMips5_32r2()">,
160 AssemblerPredicate<"FeatureMips5_32r2">;
161 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
162 AssemblerPredicate<"FeatureMips32">;
163 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
164 AssemblerPredicate<"FeatureMips32r2">;
165 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
166 AssemblerPredicate<"FeatureGP64Bit">;
167 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
168 AssemblerPredicate<"!FeatureGP64Bit">;
169 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
170 AssemblerPredicate<"FeatureMips64">;
171 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
172 AssemblerPredicate<"!FeatureGP64Bit">;
173 def IsGP64 : Predicate<"Subtarget.isGP64()">,
174 AssemblerPredicate<"FeatureGP64Bit">;
175 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
176 AssemblerPredicate<"FeatureMips64r2">;
177 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
178 AssemblerPredicate<"FeatureN64">;
179 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
180 AssemblerPredicate<"FeatureMips16">;
181 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
182 AssemblerPredicate<"FeatureCnMips">;
183 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
184 AssemblerPredicate<"FeatureMips32">;
185 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
186 AssemblerPredicate<"FeatureMips32">;
187 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
188 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
189 AssemblerPredicate<"!FeatureMips16">;
190 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
191 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
192 AssemblerPredicate<"FeatureMicroMips">;
193 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
194 AssemblerPredicate<"!FeatureMicroMips">;
195 def IsLE : Predicate<"Subtarget.isLittle()">;
196 def IsBE : Predicate<"!Subtarget.isLittle()">;
197 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
199 //===----------------------------------------------------------------------===//
200 // Mips GPR size adjectives.
201 // They are mutually exclusive.
202 //===----------------------------------------------------------------------===//
204 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
206 //===----------------------------------------------------------------------===//
207 // Mips ISA/ASE membership and instruction group membership adjectives.
208 // They are mutually exclusive.
209 //===----------------------------------------------------------------------===//
211 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
212 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
213 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
214 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
215 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
216 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
218 // The portions of MIPS-III that were also added to MIPS32
219 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
221 // The portions of MIPS-IV that were also added to MIPS32
222 class INSN_MIPS4_32 { list<Predicate> InsnPredicates = [HasMips4_32]; }
224 // The portions of MIPS-IV that were also added to MIPS32R2
225 class INSN_MIPS4_32R2 { list<Predicate> InsnPredicates = [HasMips4_32r2]; }
227 // The portions of MIPS-V that were also added to MIPS32R2
228 class INSN_MIPS5_32R2 { list<Predicate> InsnPredicates = [HasMips5_32r2]; }
230 //===----------------------------------------------------------------------===//
232 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
233 let EncodingPredicates = [HasStdEnc];
236 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
237 InstAlias<Asm, Result, Emit>, PredicateControl;
240 bit isCommutable = 1;
257 bit isTerminator = 1;
260 bit hasExtraSrcRegAllocReq = 1;
261 bit isCodeGenOnly = 1;
264 class IsAsCheapAsAMove {
265 bit isAsCheapAsAMove = 1;
268 class NeverHasSideEffects {
269 bit neverHasSideEffects = 1;
272 //===----------------------------------------------------------------------===//
273 // Instruction format superclass
274 //===----------------------------------------------------------------------===//
276 include "MipsInstrFormats.td"
278 //===----------------------------------------------------------------------===//
279 // Mips Operand, Complex Patterns and Transformations Definitions.
280 //===----------------------------------------------------------------------===//
282 def MipsJumpTargetAsmOperand : AsmOperandClass {
283 let Name = "JumpTarget";
284 let ParserMethod = "ParseJumpTarget";
285 let PredicateMethod = "isImm";
286 let RenderMethod = "addImmOperands";
289 // Instruction operand types
290 def jmptarget : Operand<OtherVT> {
291 let EncoderMethod = "getJumpTargetOpValue";
292 let ParserMatchClass = MipsJumpTargetAsmOperand;
294 def brtarget : Operand<OtherVT> {
295 let EncoderMethod = "getBranchTargetOpValue";
296 let OperandType = "OPERAND_PCREL";
297 let DecoderMethod = "DecodeBranchTarget";
298 let ParserMatchClass = MipsJumpTargetAsmOperand;
300 def calltarget : Operand<iPTR> {
301 let EncoderMethod = "getJumpTargetOpValue";
302 let ParserMatchClass = MipsJumpTargetAsmOperand;
305 def simm10 : Operand<i32>;
307 def simm16 : Operand<i32> {
308 let DecoderMethod= "DecodeSimm16";
311 def simm20 : Operand<i32> {
314 def uimm20 : Operand<i32> {
317 def uimm10 : Operand<i32> {
320 def simm16_64 : Operand<i64> {
321 let DecoderMethod = "DecodeSimm16";
325 def uimmz : Operand<i32> {
326 let PrintMethod = "printUnsignedImm";
330 def uimm5 : Operand<i32> {
331 let PrintMethod = "printUnsignedImm";
334 def uimm6 : Operand<i32> {
335 let PrintMethod = "printUnsignedImm";
338 def uimm16 : Operand<i32> {
339 let PrintMethod = "printUnsignedImm";
342 def pcrel16 : Operand<i32> {
345 def MipsMemAsmOperand : AsmOperandClass {
347 let ParserMethod = "parseMemOperand";
350 def MipsInvertedImmoperand : AsmOperandClass {
352 let RenderMethod = "addImmOperands";
353 let ParserMethod = "parseInvNum";
356 def InvertedImOperand : Operand<i32> {
357 let ParserMatchClass = MipsInvertedImmoperand;
360 def InvertedImOperand64 : Operand<i64> {
361 let ParserMatchClass = MipsInvertedImmoperand;
364 class mem_generic : Operand<iPTR> {
365 let PrintMethod = "printMemOperand";
366 let MIOperandInfo = (ops ptr_rc, simm16);
367 let EncoderMethod = "getMemEncoding";
368 let ParserMatchClass = MipsMemAsmOperand;
369 let OperandType = "OPERAND_MEMORY";
373 def mem : mem_generic;
375 // MSA specific address operand
376 def mem_msa : mem_generic {
377 let MIOperandInfo = (ops ptr_rc, simm10);
378 let EncoderMethod = "getMSAMemEncoding";
381 def mem_ea : Operand<iPTR> {
382 let PrintMethod = "printMemOperandEA";
383 let MIOperandInfo = (ops ptr_rc, simm16);
384 let EncoderMethod = "getMemEncoding";
385 let OperandType = "OPERAND_MEMORY";
388 def PtrRC : Operand<iPTR> {
389 let MIOperandInfo = (ops ptr_rc);
390 let DecoderMethod = "DecodePtrRegisterClass";
391 let ParserMatchClass = GPR32AsmOperand;
394 // size operand of ext instruction
395 def size_ext : Operand<i32> {
396 let EncoderMethod = "getSizeExtEncoding";
397 let DecoderMethod = "DecodeExtSize";
400 // size operand of ins instruction
401 def size_ins : Operand<i32> {
402 let EncoderMethod = "getSizeInsEncoding";
403 let DecoderMethod = "DecodeInsSize";
406 // Transformation Function - get the lower 16 bits.
407 def LO16 : SDNodeXForm<imm, [{
408 return getImm(N, N->getZExtValue() & 0xFFFF);
411 // Transformation Function - get the higher 16 bits.
412 def HI16 : SDNodeXForm<imm, [{
413 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
417 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
419 // Node immediate is zero (e.g. insve.d)
420 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
422 // Node immediate fits as 16-bit sign extended on target immediate.
424 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
426 // Node immediate fits as 16-bit sign extended on target immediate.
428 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
430 // Node immediate fits as 15-bit sign extended on target immediate.
432 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
434 // Node immediate fits as 16-bit zero extended on target immediate.
435 // The LO16 param means that only the lower 16 bits of the node
436 // immediate are caught.
438 def immZExt16 : PatLeaf<(imm), [{
439 if (N->getValueType(0) == MVT::i32)
440 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
442 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
445 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
446 def immLow16Zero : PatLeaf<(imm), [{
447 int64_t Val = N->getSExtValue();
448 return isInt<32>(Val) && !(Val & 0xffff);
451 // shamt field must fit in 5 bits.
452 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
454 // True if (N + 1) fits in 16-bit field.
455 def immSExt16Plus1 : PatLeaf<(imm), [{
456 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
459 // Mips Address Mode! SDNode frameindex could possibily be a match
460 // since load and store instructions from stack used it.
462 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
465 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
468 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
471 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
473 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
475 //===----------------------------------------------------------------------===//
476 // Instructions specific format
477 //===----------------------------------------------------------------------===//
479 // Arithmetic and logical instructions with 3 register operands.
480 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
481 InstrItinClass Itin = NoItinerary,
482 SDPatternOperator OpNode = null_frag>:
483 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
484 !strconcat(opstr, "\t$rd, $rs, $rt"),
485 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
486 let isCommutable = isComm;
487 let isReMaterializable = 1;
488 let TwoOperandAliasConstraint = "$rd = $rs";
491 // Arithmetic and logical instructions with 2 register operands.
492 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
493 InstrItinClass Itin = NoItinerary,
494 SDPatternOperator imm_type = null_frag,
495 SDPatternOperator OpNode = null_frag> :
496 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
497 !strconcat(opstr, "\t$rt, $rs, $imm16"),
498 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
500 let isReMaterializable = 1;
501 let TwoOperandAliasConstraint = "$rs = $rt";
504 // Arithmetic Multiply ADD/SUB
505 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
506 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
507 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
508 let Defs = [HI0, LO0];
509 let Uses = [HI0, LO0];
510 let isCommutable = isComm;
514 class LogicNOR<string opstr, RegisterOperand RO>:
515 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
516 !strconcat(opstr, "\t$rd, $rs, $rt"),
517 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
518 let isCommutable = 1;
522 class shift_rotate_imm<string opstr, Operand ImmOpnd,
523 RegisterOperand RO, InstrItinClass itin,
524 SDPatternOperator OpNode = null_frag,
525 SDPatternOperator PF = null_frag> :
526 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
527 !strconcat(opstr, "\t$rd, $rt, $shamt"),
528 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
529 let TwoOperandAliasConstraint = "$rt = $rd";
532 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
533 SDPatternOperator OpNode = null_frag>:
534 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
535 !strconcat(opstr, "\t$rd, $rt, $rs"),
536 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
539 // Load Upper Imediate
540 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
541 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
542 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
543 let neverHasSideEffects = 1;
544 let isReMaterializable = 1;
548 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
549 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
550 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
551 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
552 let DecoderMethod = "DecodeMem";
553 let canFoldAsLoad = 1;
557 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
558 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
559 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
560 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
561 let DecoderMethod = "DecodeMem";
565 // Load/Store Left/Right
566 let canFoldAsLoad = 1 in
567 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
568 InstrItinClass Itin> :
569 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
570 !strconcat(opstr, "\t$rt, $addr"),
571 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
572 let DecoderMethod = "DecodeMem";
573 string Constraints = "$src = $rt";
576 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
577 InstrItinClass Itin> :
578 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
579 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
580 let DecoderMethod = "DecodeMem";
583 // Conditional Branch
584 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
585 RegisterOperand RO> :
586 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
587 !strconcat(opstr, "\t$rs, $rt, $offset"),
588 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
591 let isTerminator = 1;
592 let hasDelaySlot = 1;
596 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
597 RegisterOperand RO> :
598 InstSE<(outs), (ins RO:$rs, opnd:$offset),
599 !strconcat(opstr, "\t$rs, $offset"),
600 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
603 let isTerminator = 1;
604 let hasDelaySlot = 1;
609 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
610 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
611 !strconcat(opstr, "\t$rd, $rs, $rt"),
612 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
613 II_SLT_SLTU, FrmR, opstr>;
615 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
617 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
618 !strconcat(opstr, "\t$rt, $rs, $imm16"),
619 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
620 II_SLTI_SLTIU, FrmI, opstr>;
623 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
624 SDPatternOperator targetoperator, string bopstr> :
625 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
626 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
629 let hasDelaySlot = 1;
630 let DecoderMethod = "DecodeJumpTarget";
634 // Unconditional branch
635 class UncondBranch<Instruction BEQInst> :
636 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
637 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
639 let isTerminator = 1;
641 let hasDelaySlot = 1;
642 let AdditionalPredicates = [RelocPIC];
646 // Base class for indirect branch and return instruction classes.
647 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
648 class JumpFR<string opstr, RegisterOperand RO,
649 SDPatternOperator operator = null_frag>:
650 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
654 class IndirectBranch<string opstr, RegisterOperand RO> :
655 JumpFR<opstr, RO, brind> {
657 let isIndirectBranch = 1;
660 // Return instruction
661 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
663 let isCodeGenOnly = 1;
665 let hasExtraSrcRegAllocReq = 1;
668 // Jump and Link (Call)
669 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
670 class JumpLink<string opstr, DAGOperand opnd> :
671 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
672 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
673 let DecoderMethod = "DecodeJumpTarget";
676 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
677 Register RetReg, RegisterOperand ResRO = RO>:
678 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
679 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
681 class JumpLinkReg<string opstr, RegisterOperand RO>:
682 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
685 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
686 InstSE<(outs), (ins RO:$rs, opnd:$offset),
687 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
691 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
692 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
693 class TailCall<Instruction JumpInst> :
694 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
695 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
697 class TailCallReg<RegisterOperand RO, Instruction JRInst,
698 RegisterOperand ResRO = RO> :
699 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
700 PseudoInstExpansion<(JRInst ResRO:$rs)>;
703 class BAL_BR_Pseudo<Instruction RealInst> :
704 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
705 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
707 let isTerminator = 1;
709 let hasDelaySlot = 1;
714 class SYS_FT<string opstr> :
715 InstSE<(outs), (ins uimm20:$code_),
716 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
718 class BRK_FT<string opstr> :
719 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
720 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
724 class ER_FT<string opstr> :
725 InstSE<(outs), (ins),
726 opstr, [], NoItinerary, FrmOther, opstr>;
729 class DEI_FT<string opstr, RegisterOperand RO> :
730 InstSE<(outs RO:$rt), (ins),
731 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
734 class WAIT_FT<string opstr> :
735 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
738 let hasSideEffects = 1 in
739 class SYNC_FT<string opstr> :
740 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
741 NoItinerary, FrmOther, opstr>;
743 let hasSideEffects = 1 in
744 class TEQ_FT<string opstr, RegisterOperand RO> :
745 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
746 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
749 class TEQI_FT<string opstr, RegisterOperand RO> :
750 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
751 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
753 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
754 list<Register> DefRegs> :
755 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
757 let isCommutable = 1;
759 let neverHasSideEffects = 1;
762 // Pseudo multiply/divide instruction with explicit accumulator register
764 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
765 SDPatternOperator OpNode, InstrItinClass Itin,
766 bit IsComm = 1, bit HasSideEffects = 0,
767 bit UsesCustomInserter = 0> :
768 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
769 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
770 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
771 let isCommutable = IsComm;
772 let hasSideEffects = HasSideEffects;
773 let usesCustomInserter = UsesCustomInserter;
776 // Pseudo multiply add/sub instruction with explicit accumulator register
778 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
780 : PseudoSE<(outs ACC64:$ac),
781 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
783 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
785 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
786 string Constraints = "$acin = $ac";
789 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
790 list<Register> DefRegs> :
791 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
792 [], itin, FrmR, opstr> {
797 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
798 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
799 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
801 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
802 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
805 let neverHasSideEffects = 1;
808 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
809 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
810 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
813 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
814 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
817 let neverHasSideEffects = 1;
820 class EffectiveAddress<string opstr, RegisterOperand RO> :
821 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
822 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
823 !strconcat(opstr, "_lea")> {
824 let isCodeGenOnly = 1;
825 let DecoderMethod = "DecodeMem";
828 // Count Leading Ones/Zeros in Word
829 class CountLeading0<string opstr, RegisterOperand RO>:
830 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
831 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
833 class CountLeading1<string opstr, RegisterOperand RO>:
834 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
835 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
837 // Sign Extend in Register.
838 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
839 InstrItinClass itin> :
840 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
841 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
844 class SubwordSwap<string opstr, RegisterOperand RO>:
845 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
846 NoItinerary, FrmR, opstr> {
847 let neverHasSideEffects = 1;
851 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
852 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
856 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
857 SDPatternOperator Op = null_frag>:
858 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
859 !strconcat(opstr, " $rt, $rs, $pos, $size"),
860 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
861 FrmR, opstr>, ISA_MIPS32R2;
863 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
864 SDPatternOperator Op = null_frag>:
865 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
866 !strconcat(opstr, " $rt, $rs, $pos, $size"),
867 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
868 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
869 let Constraints = "$src = $rt";
872 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
873 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
874 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
875 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
877 // Atomic Compare & Swap.
878 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
879 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
880 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
882 class LLBase<string opstr, RegisterOperand RO> :
883 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
884 [], NoItinerary, FrmI> {
885 let DecoderMethod = "DecodeMem";
889 class SCBase<string opstr, RegisterOperand RO> :
890 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
891 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
892 let DecoderMethod = "DecodeMem";
894 let Constraints = "$rt = $dst";
897 class MFC3OP<string asmstr, RegisterOperand RO> :
898 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
899 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
901 class TrapBase<Instruction RealInst>
902 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
903 PseudoInstExpansion<(RealInst 0, 0)> {
905 let isTerminator = 1;
906 let isCodeGenOnly = 1;
909 //===----------------------------------------------------------------------===//
910 // Pseudo instructions
911 //===----------------------------------------------------------------------===//
914 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
915 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
917 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
918 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
919 [(callseq_start timm:$amt)]>;
920 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
921 [(callseq_end timm:$amt1, timm:$amt2)]>;
924 let usesCustomInserter = 1 in {
925 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
926 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
927 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
928 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
929 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
930 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
931 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
932 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
933 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
934 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
935 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
936 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
937 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
938 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
939 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
940 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
941 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
942 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
944 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
945 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
946 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
948 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
949 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
950 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
953 /// Pseudo instructions for loading and storing accumulator registers.
954 let isPseudo = 1, isCodeGenOnly = 1 in {
955 def LOAD_ACC64 : Load<"", ACC64>;
956 def STORE_ACC64 : Store<"", ACC64>;
959 // We need these two pseudo instructions to avoid offset calculation for long
960 // branches. See the comment in file MipsLongBranch.cpp for detailed
963 // Expands to: lui $dst, %hi($tgt - $baltgt)
964 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
965 (ins brtarget:$tgt, brtarget:$baltgt), []>;
967 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
968 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
969 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
971 //===----------------------------------------------------------------------===//
972 // Instruction definition
973 //===----------------------------------------------------------------------===//
974 //===----------------------------------------------------------------------===//
975 // MipsI Instructions
976 //===----------------------------------------------------------------------===//
978 /// Arithmetic Instructions (ALU Immediate)
979 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
981 ADDI_FM<0x9>, IsAsCheapAsAMove;
982 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
983 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
985 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
987 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
990 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
993 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
996 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
998 /// Arithmetic Instructions (3-Operand, R-Type)
999 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1001 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1003 let Defs = [HI0, LO0] in
1004 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1006 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1007 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1008 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1009 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1010 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1012 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1014 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1016 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1018 /// Shift Instructions
1019 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1020 immZExt5>, SRA_FM<0, 0>;
1021 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1022 immZExt5>, SRA_FM<2, 0>;
1023 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1024 immZExt5>, SRA_FM<3, 0>;
1025 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1027 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1029 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1032 // Rotate Instructions
1033 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1035 SRA_FM<2, 1>, ISA_MIPS32R2;
1036 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1037 SRLV_FM<6, 1>, ISA_MIPS32R2;
1039 /// Load and Store Instructions
1041 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1042 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1044 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1046 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1047 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1049 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1050 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1051 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1053 /// load/store left/right
1054 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1055 AdditionalPredicates = [NotInMicroMips] in {
1056 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1057 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1058 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1059 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1062 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1063 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1064 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1065 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1066 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1067 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1068 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1070 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>, ISA_MIPS2;
1071 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>, ISA_MIPS2;
1072 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>, ISA_MIPS2;
1073 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>, ISA_MIPS2;
1074 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>, ISA_MIPS2;
1075 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>, ISA_MIPS2;
1077 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1078 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1079 def TRAP : TrapBase<BREAK>;
1081 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1082 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1084 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1085 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1087 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1088 AdditionalPredicates = [NotInMicroMips] in {
1089 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1091 /// Load-linked, Store-conditional
1092 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1093 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1096 /// Jump and Branch Instructions
1097 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1098 AdditionalRequires<[RelocStatic]>, IsBranch;
1099 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1100 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1101 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1102 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1104 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1106 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1108 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1110 def B : UncondBranch<BEQ>;
1112 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1113 let AdditionalPredicates = [NotInMicroMips] in {
1114 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1115 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1117 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1118 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1119 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1120 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1121 def TAILCALL : TailCall<J>;
1122 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1124 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1126 // Exception handling related node and instructions.
1127 // The conversion sequence is:
1128 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1129 // MIPSeh_return -> (stack change + indirect branch)
1131 // MIPSeh_return takes the place of regular return instruction
1132 // but takes two arguments (V1, V0) which are used for storing
1133 // the offset and return address respectively.
1134 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1136 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1137 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1139 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1140 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1141 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1142 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1144 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1147 /// Multiply and Divide Instructions.
1148 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1150 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1152 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1154 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1157 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1158 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1159 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1160 AdditionalPredicates = [NotInMicroMips] in {
1161 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1162 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1165 /// Sign Ext In Register Instructions.
1166 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1167 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1168 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1169 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1172 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>, ISA_MIPS32;
1173 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>, ISA_MIPS32;
1175 /// Word Swap Bytes Within Halfwords
1176 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1179 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1181 // FrameIndexes are legalized when they are operands from load/store
1182 // instructions. The same not happens for stack address copies, so an
1183 // add op with mem ComplexPattern is used and the stack address copy
1184 // can be matched. It's similar to Sparc LEA_ADDRi
1185 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1188 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>;
1189 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1190 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1191 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
1193 let AdditionalPredicates = [NotDSP] in {
1194 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1195 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1196 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1197 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1198 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1199 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1200 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1201 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1202 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1205 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1207 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1210 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1212 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1213 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1215 /// Move Control Registers From/To CPU Registers
1216 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1217 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1218 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1219 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1221 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1223 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1224 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1225 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1227 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1229 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1230 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1231 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1232 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1234 //===----------------------------------------------------------------------===//
1235 // Instruction aliases
1236 //===----------------------------------------------------------------------===//
1237 def : MipsInstAlias<"move $dst, $src",
1238 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1239 Requires<[IsGP32, NotInMicroMips]>;
1240 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1241 def : MipsInstAlias<"addu $rs, $rt, $imm",
1242 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1243 def : MipsInstAlias<"add $rs, $rt, $imm",
1244 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1245 def : MipsInstAlias<"and $rs, $rt, $imm",
1246 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1247 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1248 let Predicates = [NotInMicroMips] in {
1249 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1251 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1252 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1253 def : MipsInstAlias<"not $rt, $rs",
1254 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1255 def : MipsInstAlias<"neg $rt, $rs",
1256 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1257 def : MipsInstAlias<"negu $rt",
1258 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1259 def : MipsInstAlias<"negu $rt, $rs",
1260 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1261 def : MipsInstAlias<"slt $rs, $rt, $imm",
1262 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1263 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1264 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1265 def : MipsInstAlias<"xor $rs, $rt, $imm",
1266 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1267 def : MipsInstAlias<"or $rs, $rt, $imm",
1268 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1269 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1270 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1271 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1272 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1273 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1274 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1275 def : MipsInstAlias<"bnez $rs,$offset",
1276 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1277 def : MipsInstAlias<"beqz $rs,$offset",
1278 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1279 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1281 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1282 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1283 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1284 def : MipsInstAlias<"di", (DI ZERO), 1>;
1286 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1287 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1288 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1290 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1291 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1293 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1294 def : MipsInstAlias<"sll $rd, $rt, $rs",
1295 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1296 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1297 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1298 InvertedImOperand:$imm)>;
1299 def : MipsInstAlias<"sub $rs, $imm",
1300 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1302 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1303 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1304 InvertedImOperand:$imm)>;
1305 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1306 InvertedImOperand:$imm), 0>;
1307 def : MipsInstAlias<"sra $rd, $rt, $rs",
1308 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1309 def : MipsInstAlias<"srl $rd, $rt, $rs",
1310 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1311 //===----------------------------------------------------------------------===//
1312 // Assembler Pseudo Instructions
1313 //===----------------------------------------------------------------------===//
1315 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1316 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1317 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1318 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1320 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1321 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1322 !strconcat(instr_asm, "\t$rt, $addr")> ;
1323 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1325 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1326 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1327 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1328 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1330 //===----------------------------------------------------------------------===//
1331 // Arbitrary patterns that map to one or more instructions
1332 //===----------------------------------------------------------------------===//
1334 // Load/store pattern templates.
1335 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1336 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1338 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1339 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1342 def : MipsPat<(i32 immSExt16:$in),
1343 (ADDiu ZERO, imm:$in)>;
1344 def : MipsPat<(i32 immZExt16:$in),
1345 (ORi ZERO, imm:$in)>;
1346 def : MipsPat<(i32 immLow16Zero:$in),
1347 (LUi (HI16 imm:$in))>;
1349 // Arbitrary immediates
1350 def : MipsPat<(i32 imm:$imm),
1351 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1353 // Carry MipsPatterns
1354 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1355 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1356 let AdditionalPredicates = [NotDSP] in {
1357 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1358 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1359 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1360 (ADDiu GPR32:$src, imm:$imm)>;
1364 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1365 (JAL tglobaladdr:$dst)>;
1366 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1367 (JAL texternalsym:$dst)>;
1368 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1369 // (JALR GPR32:$dst)>;
1372 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1373 (TAILCALL tglobaladdr:$dst)>;
1374 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1375 (TAILCALL texternalsym:$dst)>;
1377 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1378 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1379 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1380 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1381 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1382 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1384 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1385 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1386 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1387 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1388 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1389 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1391 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1392 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1393 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1394 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1395 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1396 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1397 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1398 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1399 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1400 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1403 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1404 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1405 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1406 (ADDiu GPR32:$gp, tconstpool:$in)>;
1409 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1410 MipsPat<(MipsWrapper RC:$gp, node:$in),
1411 (ADDiuOp RC:$gp, node:$in)>;
1413 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1414 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1415 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1416 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1417 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1418 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1420 // Mips does not have "not", so we expand our way
1421 def : MipsPat<(not GPR32:$in),
1422 (NOR GPR32Opnd:$in, ZERO)>;
1425 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1426 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1427 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1430 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1433 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1434 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1435 Instruction SLTiuOp, Register ZEROReg> {
1436 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1437 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1438 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1439 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1441 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1442 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1443 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1444 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1445 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1446 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1447 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1448 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1449 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1450 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1451 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1452 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1454 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1455 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1456 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1457 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1459 def : MipsPat<(brcond RC:$cond, bb:$dst),
1460 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1463 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1465 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1466 (BLEZ i32:$lhs, bb:$dst)>;
1467 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1468 (BGEZ i32:$lhs, bb:$dst)>;
1471 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1472 Instruction SLTuOp, Register ZEROReg> {
1473 def : MipsPat<(seteq RC:$lhs, 0),
1474 (SLTiuOp RC:$lhs, 1)>;
1475 def : MipsPat<(setne RC:$lhs, 0),
1476 (SLTuOp ZEROReg, RC:$lhs)>;
1477 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1478 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1479 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1480 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1483 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1484 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1485 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1486 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1487 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1490 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1491 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1492 (SLTOp RC:$rhs, RC:$lhs)>;
1493 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1494 (SLTuOp RC:$rhs, RC:$lhs)>;
1497 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1498 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1499 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1500 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1501 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1504 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1505 Instruction SLTiuOp> {
1506 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1507 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1508 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1509 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1512 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1513 defm : SetlePats<GPR32, SLT, SLTu>;
1514 defm : SetgtPats<GPR32, SLT, SLTu>;
1515 defm : SetgePats<GPR32, SLT, SLTu>;
1516 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1519 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1521 // Load halfword/word patterns.
1522 let AddedComplexity = 40 in {
1523 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1524 def : LoadRegImmPat<LH, i32, sextloadi16>;
1525 def : LoadRegImmPat<LW, i32, load>;
1528 //===----------------------------------------------------------------------===//
1529 // Floating Point Support
1530 //===----------------------------------------------------------------------===//
1532 include "MipsInstrFPU.td"
1533 include "Mips64InstrInfo.td"
1534 include "MipsCondMov.td"
1536 include "Mips32r6InstrInfo.td"
1537 include "Mips64r6InstrInfo.td"
1542 include "Mips16InstrFormats.td"
1543 include "Mips16InstrInfo.td"
1546 include "MipsDSPInstrFormats.td"
1547 include "MipsDSPInstrInfo.td"
1550 include "MipsMSAInstrFormats.td"
1551 include "MipsMSAInstrInfo.td"
1554 include "MicroMipsInstrFormats.td"
1555 include "MicroMipsInstrInfo.td"
1556 include "MicroMipsInstrFPU.td"