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 HasMips32r6 : Predicate<"Subtarget.hasMips32r6()">,
166 AssemblerPredicate<"FeatureMips32r6">;
167 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
168 AssemblerPredicate<"FeatureGP64Bit">;
169 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
170 AssemblerPredicate<"!FeatureGP64Bit">;
171 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
172 AssemblerPredicate<"FeatureMips64">;
173 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
174 AssemblerPredicate<"FeatureMips64r2">;
175 def HasMips64r6 : Predicate<"Subtarget.hasMips64r6()">,
176 AssemblerPredicate<"FeatureMips64r6">;
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_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
205 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
207 //===----------------------------------------------------------------------===//
208 // Mips ISA/ASE membership and instruction group membership adjectives.
209 // They are mutually exclusive.
210 //===----------------------------------------------------------------------===//
212 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
213 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
214 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
215 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
216 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
217 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
218 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
219 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
221 // The portions of MIPS-III that were also added to MIPS32
222 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
224 // The portions of MIPS-IV that were also added to MIPS32
225 class INSN_MIPS4_32 { list<Predicate> InsnPredicates = [HasMips4_32]; }
227 // The portions of MIPS-IV that were also added to MIPS32R2
228 class INSN_MIPS4_32R2 { list<Predicate> InsnPredicates = [HasMips4_32r2]; }
230 // The portions of MIPS-V that were also added to MIPS32R2
231 class INSN_MIPS5_32R2 { list<Predicate> InsnPredicates = [HasMips5_32r2]; }
233 //===----------------------------------------------------------------------===//
235 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
236 let EncodingPredicates = [HasStdEnc];
239 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
240 InstAlias<Asm, Result, Emit>, PredicateControl;
243 bit isCommutable = 1;
260 bit isTerminator = 1;
263 bit hasExtraSrcRegAllocReq = 1;
264 bit isCodeGenOnly = 1;
267 class IsAsCheapAsAMove {
268 bit isAsCheapAsAMove = 1;
271 class NeverHasSideEffects {
272 bit neverHasSideEffects = 1;
275 //===----------------------------------------------------------------------===//
276 // Instruction format superclass
277 //===----------------------------------------------------------------------===//
279 include "MipsInstrFormats.td"
281 //===----------------------------------------------------------------------===//
282 // Mips Operand, Complex Patterns and Transformations Definitions.
283 //===----------------------------------------------------------------------===//
285 def MipsJumpTargetAsmOperand : AsmOperandClass {
286 let Name = "JumpTarget";
287 let ParserMethod = "ParseJumpTarget";
288 let PredicateMethod = "isImm";
289 let RenderMethod = "addImmOperands";
292 // Instruction operand types
293 def jmptarget : Operand<OtherVT> {
294 let EncoderMethod = "getJumpTargetOpValue";
295 let ParserMatchClass = MipsJumpTargetAsmOperand;
297 def brtarget : Operand<OtherVT> {
298 let EncoderMethod = "getBranchTargetOpValue";
299 let OperandType = "OPERAND_PCREL";
300 let DecoderMethod = "DecodeBranchTarget";
301 let ParserMatchClass = MipsJumpTargetAsmOperand;
303 def calltarget : Operand<iPTR> {
304 let EncoderMethod = "getJumpTargetOpValue";
305 let ParserMatchClass = MipsJumpTargetAsmOperand;
308 def simm10 : Operand<i32>;
310 def simm16 : Operand<i32> {
311 let DecoderMethod= "DecodeSimm16";
314 def simm20 : Operand<i32> {
317 def uimm20 : Operand<i32> {
320 def uimm10 : Operand<i32> {
323 def simm16_64 : Operand<i64> {
324 let DecoderMethod = "DecodeSimm16";
328 def uimmz : Operand<i32> {
329 let PrintMethod = "printUnsignedImm";
333 def uimm5 : Operand<i32> {
334 let PrintMethod = "printUnsignedImm";
337 def uimm6 : Operand<i32> {
338 let PrintMethod = "printUnsignedImm";
341 def uimm16 : Operand<i32> {
342 let PrintMethod = "printUnsignedImm";
345 def pcrel16 : Operand<i32> {
348 def MipsMemAsmOperand : AsmOperandClass {
350 let ParserMethod = "parseMemOperand";
353 def MipsInvertedImmoperand : AsmOperandClass {
355 let RenderMethod = "addImmOperands";
356 let ParserMethod = "parseInvNum";
359 def InvertedImOperand : Operand<i32> {
360 let ParserMatchClass = MipsInvertedImmoperand;
363 def InvertedImOperand64 : Operand<i64> {
364 let ParserMatchClass = MipsInvertedImmoperand;
367 class mem_generic : Operand<iPTR> {
368 let PrintMethod = "printMemOperand";
369 let MIOperandInfo = (ops ptr_rc, simm16);
370 let EncoderMethod = "getMemEncoding";
371 let ParserMatchClass = MipsMemAsmOperand;
372 let OperandType = "OPERAND_MEMORY";
376 def mem : mem_generic;
378 // MSA specific address operand
379 def mem_msa : mem_generic {
380 let MIOperandInfo = (ops ptr_rc, simm10);
381 let EncoderMethod = "getMSAMemEncoding";
384 def mem_ea : Operand<iPTR> {
385 let PrintMethod = "printMemOperandEA";
386 let MIOperandInfo = (ops ptr_rc, simm16);
387 let EncoderMethod = "getMemEncoding";
388 let OperandType = "OPERAND_MEMORY";
391 def PtrRC : Operand<iPTR> {
392 let MIOperandInfo = (ops ptr_rc);
393 let DecoderMethod = "DecodePtrRegisterClass";
394 let ParserMatchClass = GPR32AsmOperand;
397 // size operand of ext instruction
398 def size_ext : Operand<i32> {
399 let EncoderMethod = "getSizeExtEncoding";
400 let DecoderMethod = "DecodeExtSize";
403 // size operand of ins instruction
404 def size_ins : Operand<i32> {
405 let EncoderMethod = "getSizeInsEncoding";
406 let DecoderMethod = "DecodeInsSize";
409 // Transformation Function - get the lower 16 bits.
410 def LO16 : SDNodeXForm<imm, [{
411 return getImm(N, N->getZExtValue() & 0xFFFF);
414 // Transformation Function - get the higher 16 bits.
415 def HI16 : SDNodeXForm<imm, [{
416 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
420 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
422 // Node immediate is zero (e.g. insve.d)
423 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
425 // Node immediate fits as 16-bit sign extended on target immediate.
427 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
429 // Node immediate fits as 16-bit sign extended on target immediate.
431 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
433 // Node immediate fits as 15-bit sign extended on target immediate.
435 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
437 // Node immediate fits as 16-bit zero extended on target immediate.
438 // The LO16 param means that only the lower 16 bits of the node
439 // immediate are caught.
441 def immZExt16 : PatLeaf<(imm), [{
442 if (N->getValueType(0) == MVT::i32)
443 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
445 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
448 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
449 def immLow16Zero : PatLeaf<(imm), [{
450 int64_t Val = N->getSExtValue();
451 return isInt<32>(Val) && !(Val & 0xffff);
454 // shamt field must fit in 5 bits.
455 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
457 // True if (N + 1) fits in 16-bit field.
458 def immSExt16Plus1 : PatLeaf<(imm), [{
459 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
462 // Mips Address Mode! SDNode frameindex could possibily be a match
463 // since load and store instructions from stack used it.
465 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
468 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
471 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
474 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
476 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
478 //===----------------------------------------------------------------------===//
479 // Instructions specific format
480 //===----------------------------------------------------------------------===//
482 // Arithmetic and logical instructions with 3 register operands.
483 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
484 InstrItinClass Itin = NoItinerary,
485 SDPatternOperator OpNode = null_frag>:
486 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
487 !strconcat(opstr, "\t$rd, $rs, $rt"),
488 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
489 let isCommutable = isComm;
490 let isReMaterializable = 1;
491 let TwoOperandAliasConstraint = "$rd = $rs";
494 // Arithmetic and logical instructions with 2 register operands.
495 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
496 InstrItinClass Itin = NoItinerary,
497 SDPatternOperator imm_type = null_frag,
498 SDPatternOperator OpNode = null_frag> :
499 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
500 !strconcat(opstr, "\t$rt, $rs, $imm16"),
501 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
503 let isReMaterializable = 1;
504 let TwoOperandAliasConstraint = "$rs = $rt";
507 // Arithmetic Multiply ADD/SUB
508 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
509 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
510 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
511 let Defs = [HI0, LO0];
512 let Uses = [HI0, LO0];
513 let isCommutable = isComm;
517 class LogicNOR<string opstr, RegisterOperand RO>:
518 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
519 !strconcat(opstr, "\t$rd, $rs, $rt"),
520 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
521 let isCommutable = 1;
525 class shift_rotate_imm<string opstr, Operand ImmOpnd,
526 RegisterOperand RO, InstrItinClass itin,
527 SDPatternOperator OpNode = null_frag,
528 SDPatternOperator PF = null_frag> :
529 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
530 !strconcat(opstr, "\t$rd, $rt, $shamt"),
531 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
532 let TwoOperandAliasConstraint = "$rt = $rd";
535 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
536 SDPatternOperator OpNode = null_frag>:
537 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
538 !strconcat(opstr, "\t$rd, $rt, $rs"),
539 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
542 // Load Upper Imediate
543 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
544 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
545 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
546 let neverHasSideEffects = 1;
547 let isReMaterializable = 1;
551 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
552 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
553 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
554 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
555 let DecoderMethod = "DecodeMem";
556 let canFoldAsLoad = 1;
560 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
561 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
562 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
563 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
564 let DecoderMethod = "DecodeMem";
568 // Load/Store Left/Right
569 let canFoldAsLoad = 1 in
570 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
571 InstrItinClass Itin> :
572 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
573 !strconcat(opstr, "\t$rt, $addr"),
574 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
575 let DecoderMethod = "DecodeMem";
576 string Constraints = "$src = $rt";
579 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
580 InstrItinClass Itin> :
581 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
582 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
583 let DecoderMethod = "DecodeMem";
586 // Conditional Branch
587 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
588 RegisterOperand RO> :
589 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
590 !strconcat(opstr, "\t$rs, $rt, $offset"),
591 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
594 let isTerminator = 1;
595 let hasDelaySlot = 1;
599 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
600 RegisterOperand RO> :
601 InstSE<(outs), (ins RO:$rs, opnd:$offset),
602 !strconcat(opstr, "\t$rs, $offset"),
603 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
606 let isTerminator = 1;
607 let hasDelaySlot = 1;
612 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
613 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
614 !strconcat(opstr, "\t$rd, $rs, $rt"),
615 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
616 II_SLT_SLTU, FrmR, opstr>;
618 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
620 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
621 !strconcat(opstr, "\t$rt, $rs, $imm16"),
622 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
623 II_SLTI_SLTIU, FrmI, opstr>;
626 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
627 SDPatternOperator targetoperator, string bopstr> :
628 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
629 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
632 let hasDelaySlot = 1;
633 let DecoderMethod = "DecodeJumpTarget";
637 // Unconditional branch
638 class UncondBranch<Instruction BEQInst> :
639 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
640 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
642 let isTerminator = 1;
644 let hasDelaySlot = 1;
645 let AdditionalPredicates = [RelocPIC];
649 // Base class for indirect branch and return instruction classes.
650 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
651 class JumpFR<string opstr, RegisterOperand RO,
652 SDPatternOperator operator = null_frag>:
653 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
657 class IndirectBranch<string opstr, RegisterOperand RO> :
658 JumpFR<opstr, RO, brind> {
660 let isIndirectBranch = 1;
663 // Return instruction
664 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
666 let isCodeGenOnly = 1;
668 let hasExtraSrcRegAllocReq = 1;
671 // Jump and Link (Call)
672 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
673 class JumpLink<string opstr, DAGOperand opnd> :
674 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
675 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
676 let DecoderMethod = "DecodeJumpTarget";
679 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
680 Register RetReg, RegisterOperand ResRO = RO>:
681 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
682 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
684 class JumpLinkReg<string opstr, RegisterOperand RO>:
685 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
688 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
689 InstSE<(outs), (ins RO:$rs, opnd:$offset),
690 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
694 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
695 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
696 class TailCall<Instruction JumpInst> :
697 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
698 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
700 class TailCallReg<RegisterOperand RO, Instruction JRInst,
701 RegisterOperand ResRO = RO> :
702 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
703 PseudoInstExpansion<(JRInst ResRO:$rs)>;
706 class BAL_BR_Pseudo<Instruction RealInst> :
707 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
708 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
710 let isTerminator = 1;
712 let hasDelaySlot = 1;
717 class SYS_FT<string opstr> :
718 InstSE<(outs), (ins uimm20:$code_),
719 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
721 class BRK_FT<string opstr> :
722 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
723 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
727 class ER_FT<string opstr> :
728 InstSE<(outs), (ins),
729 opstr, [], NoItinerary, FrmOther, opstr>;
732 class DEI_FT<string opstr, RegisterOperand RO> :
733 InstSE<(outs RO:$rt), (ins),
734 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
737 class WAIT_FT<string opstr> :
738 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
741 let hasSideEffects = 1 in
742 class SYNC_FT<string opstr> :
743 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
744 NoItinerary, FrmOther, opstr>;
746 let hasSideEffects = 1 in
747 class TEQ_FT<string opstr, RegisterOperand RO> :
748 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
749 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
752 class TEQI_FT<string opstr, RegisterOperand RO> :
753 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
754 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
756 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
757 list<Register> DefRegs> :
758 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
760 let isCommutable = 1;
762 let neverHasSideEffects = 1;
765 // Pseudo multiply/divide instruction with explicit accumulator register
767 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
768 SDPatternOperator OpNode, InstrItinClass Itin,
769 bit IsComm = 1, bit HasSideEffects = 0,
770 bit UsesCustomInserter = 0> :
771 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
772 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
773 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
774 let isCommutable = IsComm;
775 let hasSideEffects = HasSideEffects;
776 let usesCustomInserter = UsesCustomInserter;
779 // Pseudo multiply add/sub instruction with explicit accumulator register
781 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
783 : PseudoSE<(outs ACC64:$ac),
784 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
786 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
788 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
789 string Constraints = "$acin = $ac";
792 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
793 list<Register> DefRegs> :
794 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
795 [], itin, FrmR, opstr> {
800 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
801 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
802 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
804 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
805 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
808 let neverHasSideEffects = 1;
811 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
812 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
813 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
816 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
817 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
820 let neverHasSideEffects = 1;
823 class EffectiveAddress<string opstr, RegisterOperand RO> :
824 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
825 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
826 !strconcat(opstr, "_lea")> {
827 let isCodeGenOnly = 1;
828 let DecoderMethod = "DecodeMem";
831 // Count Leading Ones/Zeros in Word
832 class CountLeading0<string opstr, RegisterOperand RO>:
833 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
834 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
836 class CountLeading1<string opstr, RegisterOperand RO>:
837 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
838 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
840 // Sign Extend in Register.
841 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
842 InstrItinClass itin> :
843 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
844 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
847 class SubwordSwap<string opstr, RegisterOperand RO>:
848 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
849 NoItinerary, FrmR, opstr> {
850 let neverHasSideEffects = 1;
854 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
855 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
859 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
860 SDPatternOperator Op = null_frag>:
861 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
862 !strconcat(opstr, " $rt, $rs, $pos, $size"),
863 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
864 FrmR, opstr>, ISA_MIPS32R2;
866 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
867 SDPatternOperator Op = null_frag>:
868 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
869 !strconcat(opstr, " $rt, $rs, $pos, $size"),
870 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
871 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
872 let Constraints = "$src = $rt";
875 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
876 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
877 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
878 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
880 // Atomic Compare & Swap.
881 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
882 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
883 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
885 class LLBase<string opstr, RegisterOperand RO> :
886 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
887 [], NoItinerary, FrmI> {
888 let DecoderMethod = "DecodeMem";
892 class SCBase<string opstr, RegisterOperand RO> :
893 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
894 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
895 let DecoderMethod = "DecodeMem";
897 let Constraints = "$rt = $dst";
900 class MFC3OP<string asmstr, RegisterOperand RO> :
901 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
902 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
904 class TrapBase<Instruction RealInst>
905 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
906 PseudoInstExpansion<(RealInst 0, 0)> {
908 let isTerminator = 1;
909 let isCodeGenOnly = 1;
912 //===----------------------------------------------------------------------===//
913 // Pseudo instructions
914 //===----------------------------------------------------------------------===//
917 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
918 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
920 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
921 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
922 [(callseq_start timm:$amt)]>;
923 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
924 [(callseq_end timm:$amt1, timm:$amt2)]>;
927 let usesCustomInserter = 1 in {
928 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
929 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
930 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
931 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
932 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
933 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
934 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
935 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
936 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
937 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
938 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
939 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
940 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
941 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
942 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
943 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
944 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
945 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
947 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
948 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
949 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
951 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
952 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
953 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
956 /// Pseudo instructions for loading and storing accumulator registers.
957 let isPseudo = 1, isCodeGenOnly = 1 in {
958 def LOAD_ACC64 : Load<"", ACC64>;
959 def STORE_ACC64 : Store<"", ACC64>;
962 // We need these two pseudo instructions to avoid offset calculation for long
963 // branches. See the comment in file MipsLongBranch.cpp for detailed
966 // Expands to: lui $dst, %hi($tgt - $baltgt)
967 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
968 (ins brtarget:$tgt, brtarget:$baltgt), []>;
970 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
971 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
972 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
974 //===----------------------------------------------------------------------===//
975 // Instruction definition
976 //===----------------------------------------------------------------------===//
977 //===----------------------------------------------------------------------===//
978 // MipsI Instructions
979 //===----------------------------------------------------------------------===//
981 /// Arithmetic Instructions (ALU Immediate)
982 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
984 ADDI_FM<0x9>, IsAsCheapAsAMove;
985 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
986 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
988 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
990 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
993 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
996 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
999 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1001 /// Arithmetic Instructions (3-Operand, R-Type)
1002 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1004 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1006 let Defs = [HI0, LO0] in
1007 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1008 ADD_FM<0x1c, 2>, ISA_MIPS32;
1009 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1010 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1011 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1012 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1013 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1015 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1017 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1019 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1021 /// Shift Instructions
1022 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1023 immZExt5>, SRA_FM<0, 0>;
1024 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1025 immZExt5>, SRA_FM<2, 0>;
1026 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1027 immZExt5>, SRA_FM<3, 0>;
1028 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1030 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1032 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1035 // Rotate Instructions
1036 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1038 SRA_FM<2, 1>, ISA_MIPS32R2;
1039 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1040 SRLV_FM<6, 1>, ISA_MIPS32R2;
1042 /// Load and Store Instructions
1044 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1045 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1047 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1049 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1050 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1052 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1053 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1054 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1056 /// load/store left/right
1057 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1058 AdditionalPredicates = [NotInMicroMips] in {
1059 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1060 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1061 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1062 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1065 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1066 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1067 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1068 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1069 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1070 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1071 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1073 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>, ISA_MIPS2;
1074 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>, ISA_MIPS2;
1075 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>, ISA_MIPS2;
1076 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>, ISA_MIPS2;
1077 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>, ISA_MIPS2;
1078 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>, ISA_MIPS2;
1080 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1081 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1082 def TRAP : TrapBase<BREAK>;
1084 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1085 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>, ISA_MIPS32;
1087 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1088 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1090 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1091 AdditionalPredicates = [NotInMicroMips] in {
1092 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1094 /// Load-linked, Store-conditional
1095 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1096 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1099 /// Jump and Branch Instructions
1100 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1101 AdditionalRequires<[RelocStatic]>, IsBranch;
1102 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1103 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1104 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1105 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1107 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1109 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1111 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1113 def B : UncondBranch<BEQ>;
1115 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1116 let AdditionalPredicates = [NotInMicroMips] in {
1117 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1118 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1120 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1121 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1122 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1123 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1124 def TAILCALL : TailCall<J>;
1125 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1127 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1129 // Exception handling related node and instructions.
1130 // The conversion sequence is:
1131 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1132 // MIPSeh_return -> (stack change + indirect branch)
1134 // MIPSeh_return takes the place of regular return instruction
1135 // but takes two arguments (V1, V0) which are used for storing
1136 // the offset and return address respectively.
1137 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1139 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1140 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1142 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1143 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1144 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1145 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1147 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1150 /// Multiply and Divide Instructions.
1151 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1153 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1155 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1157 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1160 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1161 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1162 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1163 AdditionalPredicates = [NotInMicroMips] in {
1164 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1165 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1168 /// Sign Ext In Register Instructions.
1169 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1170 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1171 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1172 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1175 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>, ISA_MIPS32;
1176 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>, ISA_MIPS32;
1178 /// Word Swap Bytes Within Halfwords
1179 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1182 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1184 // FrameIndexes are legalized when they are operands from load/store
1185 // instructions. The same not happens for stack address copies, so an
1186 // add op with mem ComplexPattern is used and the stack address copy
1187 // can be matched. It's similar to Sparc LEA_ADDRi
1188 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1191 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>, ISA_MIPS32;
1192 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>, ISA_MIPS32;
1193 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>, ISA_MIPS32;
1194 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>, ISA_MIPS32;
1196 let AdditionalPredicates = [NotDSP] in {
1197 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1198 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1199 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1200 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1201 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1202 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1203 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1204 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1205 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1208 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1210 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1213 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1215 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1216 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1218 /// Move Control Registers From/To CPU Registers
1219 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1220 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1221 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1222 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1224 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1226 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1227 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1228 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1230 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1232 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1233 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1234 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1235 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1237 //===----------------------------------------------------------------------===//
1238 // Instruction aliases
1239 //===----------------------------------------------------------------------===//
1240 def : MipsInstAlias<"move $dst, $src",
1241 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1243 let AdditionalPredicates = [NotInMicroMips];
1245 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1246 def : MipsInstAlias<"addu $rs, $rt, $imm",
1247 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1248 def : MipsInstAlias<"add $rs, $rt, $imm",
1249 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1250 def : MipsInstAlias<"and $rs, $rt, $imm",
1251 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1252 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1253 let Predicates = [NotInMicroMips] in {
1254 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1256 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1257 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1258 def : MipsInstAlias<"not $rt, $rs",
1259 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1260 def : MipsInstAlias<"neg $rt, $rs",
1261 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1262 def : MipsInstAlias<"negu $rt",
1263 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1264 def : MipsInstAlias<"negu $rt, $rs",
1265 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1266 def : MipsInstAlias<"slt $rs, $rt, $imm",
1267 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1268 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1269 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1270 def : MipsInstAlias<"xor $rs, $rt, $imm",
1271 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1272 def : MipsInstAlias<"or $rs, $rt, $imm",
1273 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1274 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1275 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1276 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1277 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1278 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1279 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1280 def : MipsInstAlias<"bnez $rs,$offset",
1281 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1282 def : MipsInstAlias<"beqz $rs,$offset",
1283 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1284 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1286 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1287 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1288 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1289 def : MipsInstAlias<"di", (DI ZERO), 1>;
1291 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1292 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1293 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1295 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1296 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1298 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1299 def : MipsInstAlias<"sll $rd, $rt, $rs",
1300 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1301 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1302 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1303 InvertedImOperand:$imm)>;
1304 def : MipsInstAlias<"sub $rs, $imm",
1305 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1307 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1308 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1309 InvertedImOperand:$imm)>;
1310 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1311 InvertedImOperand:$imm), 0>;
1312 def : MipsInstAlias<"sra $rd, $rt, $rs",
1313 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1314 def : MipsInstAlias<"srl $rd, $rt, $rs",
1315 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1316 //===----------------------------------------------------------------------===//
1317 // Assembler Pseudo Instructions
1318 //===----------------------------------------------------------------------===//
1320 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1321 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1322 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1323 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1325 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1326 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1327 !strconcat(instr_asm, "\t$rt, $addr")> ;
1328 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1330 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1331 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1332 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1333 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1335 //===----------------------------------------------------------------------===//
1336 // Arbitrary patterns that map to one or more instructions
1337 //===----------------------------------------------------------------------===//
1339 // Load/store pattern templates.
1340 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1341 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1343 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1344 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1347 def : MipsPat<(i32 immSExt16:$in),
1348 (ADDiu ZERO, imm:$in)>;
1349 def : MipsPat<(i32 immZExt16:$in),
1350 (ORi ZERO, imm:$in)>;
1351 def : MipsPat<(i32 immLow16Zero:$in),
1352 (LUi (HI16 imm:$in))>;
1354 // Arbitrary immediates
1355 def : MipsPat<(i32 imm:$imm),
1356 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1358 // Carry MipsPatterns
1359 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1360 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1361 let AdditionalPredicates = [NotDSP] in {
1362 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1363 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1364 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1365 (ADDiu GPR32:$src, imm:$imm)>;
1369 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1370 (JAL tglobaladdr:$dst)>;
1371 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1372 (JAL texternalsym:$dst)>;
1373 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1374 // (JALR GPR32:$dst)>;
1377 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1378 (TAILCALL tglobaladdr:$dst)>;
1379 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1380 (TAILCALL texternalsym:$dst)>;
1382 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1383 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1384 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1385 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1386 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1387 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1389 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1390 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1391 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1392 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1393 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1394 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1396 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1397 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1398 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1399 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1400 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1401 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1402 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1403 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1404 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1405 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1408 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1409 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1410 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1411 (ADDiu GPR32:$gp, tconstpool:$in)>;
1414 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1415 MipsPat<(MipsWrapper RC:$gp, node:$in),
1416 (ADDiuOp RC:$gp, node:$in)>;
1418 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1419 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1420 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1421 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1422 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1423 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1425 // Mips does not have "not", so we expand our way
1426 def : MipsPat<(not GPR32:$in),
1427 (NOR GPR32Opnd:$in, ZERO)>;
1430 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1431 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1432 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1435 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1438 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1439 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1440 Instruction SLTiuOp, Register ZEROReg> {
1441 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1442 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1443 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1444 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1446 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1447 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1448 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1449 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1450 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1451 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1452 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1453 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1454 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1455 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1456 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1457 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1459 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1460 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1461 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1462 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1464 def : MipsPat<(brcond RC:$cond, bb:$dst),
1465 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1468 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1470 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1471 (BLEZ i32:$lhs, bb:$dst)>;
1472 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1473 (BGEZ i32:$lhs, bb:$dst)>;
1476 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1477 Instruction SLTuOp, Register ZEROReg> {
1478 def : MipsPat<(seteq RC:$lhs, 0),
1479 (SLTiuOp RC:$lhs, 1)>;
1480 def : MipsPat<(setne RC:$lhs, 0),
1481 (SLTuOp ZEROReg, RC:$lhs)>;
1482 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1483 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1484 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1485 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1488 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1489 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1490 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1491 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1492 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1495 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1496 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1497 (SLTOp RC:$rhs, RC:$lhs)>;
1498 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1499 (SLTuOp RC:$rhs, RC:$lhs)>;
1502 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1503 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1504 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1505 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1506 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1509 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1510 Instruction SLTiuOp> {
1511 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1512 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1513 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1514 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1517 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1518 defm : SetlePats<GPR32, SLT, SLTu>;
1519 defm : SetgtPats<GPR32, SLT, SLTu>;
1520 defm : SetgePats<GPR32, SLT, SLTu>;
1521 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1524 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1526 // Load halfword/word patterns.
1527 let AddedComplexity = 40 in {
1528 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1529 def : LoadRegImmPat<LH, i32, sextloadi16>;
1530 def : LoadRegImmPat<LW, i32, load>;
1533 //===----------------------------------------------------------------------===//
1534 // Floating Point Support
1535 //===----------------------------------------------------------------------===//
1537 include "MipsInstrFPU.td"
1538 include "Mips64InstrInfo.td"
1539 include "MipsCondMov.td"
1541 include "Mips32r6InstrInfo.td"
1542 include "Mips64r6InstrInfo.td"
1547 include "Mips16InstrFormats.td"
1548 include "Mips16InstrInfo.td"
1551 include "MipsDSPInstrFormats.td"
1552 include "MipsDSPInstrInfo.td"
1555 include "MipsMSAInstrFormats.td"
1556 include "MipsMSAInstrInfo.td"
1559 include "MicroMipsInstrFormats.td"
1560 include "MicroMipsInstrInfo.td"
1561 include "MicroMipsInstrFPU.td"