1 //===- MipsInstrInfo.td - Target Description for Mips Target -*- tablegen -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the Mips implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // Mips profiles and nodes
17 //===----------------------------------------------------------------------===//
19 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
20 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
24 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
25 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
26 def SDT_MFLOHI : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisVT<1, untyped>]>;
27 def SDT_MTLOHI : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>,
28 SDTCisInt<1>, SDTCisSameAs<1, 2>]>;
29 def SDT_MipsMultDiv : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>, SDTCisInt<1>,
31 def SDT_MipsMAddMSub : SDTypeProfile<1, 3,
32 [SDTCisVT<0, untyped>, SDTCisSameAs<0, 3>,
33 SDTCisVT<1, i32>, SDTCisSameAs<1, 2>]>;
34 def SDT_MipsDivRem16 : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>]>;
36 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
38 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
40 def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
41 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>]>;
42 def SDT_Ins : SDTypeProfile<1, 4, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
43 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
46 def SDTMipsLoadLR : SDTypeProfile<1, 2,
47 [SDTCisInt<0>, SDTCisPtrTy<1>,
51 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
52 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
56 def MipsTailCall : SDNode<"MipsISD::TailCall", SDT_MipsJmpLink,
57 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
59 // Hi and Lo nodes are used to handle global addresses. Used on
60 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
61 // static model. (nothing to do with Mips Registers Hi and Lo)
62 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
63 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
64 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
66 // TlsGd node is used to handle General Dynamic TLS
67 def MipsTlsGd : SDNode<"MipsISD::TlsGd", SDTIntUnaryOp>;
69 // TprelHi and TprelLo nodes are used to handle Local Exec TLS
70 def MipsTprelHi : SDNode<"MipsISD::TprelHi", SDTIntUnaryOp>;
71 def MipsTprelLo : SDNode<"MipsISD::TprelLo", SDTIntUnaryOp>;
74 def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
77 def MipsRet : SDNode<"MipsISD::Ret", SDTNone,
78 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
80 // These are target-independent nodes, but have target-specific formats.
81 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
82 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
83 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
84 [SDNPHasChain, SDNPSideEffect,
85 SDNPOptInGlue, SDNPOutGlue]>;
87 // Nodes used to extract LO/HI registers.
88 def MipsMFHI : SDNode<"MipsISD::MFHI", SDT_MFLOHI>;
89 def MipsMFLO : SDNode<"MipsISD::MFLO", SDT_MFLOHI>;
91 // Node used to insert 32-bit integers to LOHI register pair.
92 def MipsMTLOHI : SDNode<"MipsISD::MTLOHI", SDT_MTLOHI>;
95 def MipsMult : SDNode<"MipsISD::Mult", SDT_MipsMultDiv>;
96 def MipsMultu : SDNode<"MipsISD::Multu", SDT_MipsMultDiv>;
99 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub>;
100 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub>;
101 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub>;
102 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub>;
105 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsMultDiv>;
106 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsMultDiv>;
107 def MipsDivRem16 : SDNode<"MipsISD::DivRem16", SDT_MipsDivRem16,
109 def MipsDivRemU16 : SDNode<"MipsISD::DivRemU16", SDT_MipsDivRem16,
112 // Target constant nodes that are not part of any isel patterns and remain
113 // unchanged can cause instructions with illegal operands to be emitted.
114 // Wrapper node patterns give the instruction selector a chance to replace
115 // target constant nodes that would otherwise remain unchanged with ADDiu
116 // nodes. Without these wrapper node patterns, the following conditional move
117 // instruction is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
119 // movn %got(d)($gp), %got(c)($gp), $4
120 // This instruction is illegal since movn can take only register operands.
122 def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
124 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
126 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
127 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
129 def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
130 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
131 def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
132 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
133 def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
134 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
135 def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
136 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
137 def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
138 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
139 def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
140 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
141 def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
142 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
143 def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
144 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
146 //===----------------------------------------------------------------------===//
147 // Mips Instruction Predicate Definitions.
148 //===----------------------------------------------------------------------===//
149 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">,
150 AssemblerPredicate<"FeatureSEInReg">;
151 def HasBitCount : Predicate<"Subtarget.hasBitCount()">,
152 AssemblerPredicate<"FeatureBitCount">;
153 def HasSwap : Predicate<"Subtarget.hasSwap()">,
154 AssemblerPredicate<"FeatureSwap">;
155 def HasMips2 : Predicate<"Subtarget.hasMips2()">,
156 AssemblerPredicate<"FeatureMips2">;
157 def HasMips3_32 : Predicate<"Subtarget.hasMips3_32()">,
158 AssemblerPredicate<"FeatureMips3_32">;
159 def HasMips3 : Predicate<"Subtarget.hasMips3()">,
160 AssemblerPredicate<"FeatureMips3">;
161 def HasMips4_32 : Predicate<"Subtarget.hasMips4_32()">,
162 AssemblerPredicate<"FeatureMips4_32">;
163 def HasMips4_32r2 : Predicate<"Subtarget.hasMips4_32r2()">,
164 AssemblerPredicate<"FeatureMips4_32r2">;
165 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
166 AssemblerPredicate<"FeatureMips32">;
167 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
168 AssemblerPredicate<"FeatureMips32r2">;
169 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
170 AssemblerPredicate<"FeatureGP64Bit">;
171 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
172 AssemblerPredicate<"!FeatureGP64Bit">;
173 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
174 AssemblerPredicate<"FeatureMips64">;
175 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
176 AssemblerPredicate<"!FeatureGP64Bit">;
177 def IsGP64 : Predicate<"Subtarget.isGP64()">,
178 AssemblerPredicate<"FeatureGP64Bit">;
179 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
180 AssemblerPredicate<"FeatureMips64r2">;
181 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
182 AssemblerPredicate<"FeatureN64">;
183 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
184 AssemblerPredicate<"FeatureMips16">;
185 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
186 AssemblerPredicate<"FeatureCnMips">;
187 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
188 AssemblerPredicate<"FeatureMips32">;
189 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
190 AssemblerPredicate<"FeatureMips32">;
191 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
192 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
193 AssemblerPredicate<"!FeatureMips16">;
194 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
195 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
196 AssemblerPredicate<"FeatureMicroMips">;
197 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
198 AssemblerPredicate<"!FeatureMicroMips">;
199 def IsLE : Predicate<"Subtarget.isLittle()">;
200 def IsBE : Predicate<"!Subtarget.isLittle()">;
201 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
203 //===----------------------------------------------------------------------===//
204 // Mips GPR size adjectives.
205 // They are mutually exclusive.
206 //===----------------------------------------------------------------------===//
208 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
210 //===----------------------------------------------------------------------===//
211 // Mips ISA/ASE membership and instruction group membership adjectives.
212 // They are mutually exclusive.
213 //===----------------------------------------------------------------------===//
215 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
216 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
217 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
218 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
220 // The portions of MIPS-III that were also added to MIPS32
221 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
223 // The portions of MIPS-IV that were also added to MIPS32
224 class INSN_MIPS4_32 { list<Predicate> InsnPredicates = [HasMips4_32]; }
226 // The portions of MIPS-IV that were also added to MIPS32R2
227 class INSN_MIPS4_32R2 { list<Predicate> InsnPredicates = [HasMips4_32r2]; }
229 class INSN_SWAP { list<Predicate> InsnPredicates = [HasSwap]; }
230 class INSN_SEINREG { list<Predicate> InsnPredicates = [HasSEInReg]; }
232 //===----------------------------------------------------------------------===//
234 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
235 let EncodingPredicates = [HasStdEnc];
238 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
239 InstAlias<Asm, Result, Emit>, PredicateControl;
242 bit isCommutable = 1;
259 bit isTerminator = 1;
262 bit hasExtraSrcRegAllocReq = 1;
263 bit isCodeGenOnly = 1;
266 class IsAsCheapAsAMove {
267 bit isAsCheapAsAMove = 1;
270 class NeverHasSideEffects {
271 bit neverHasSideEffects = 1;
274 //===----------------------------------------------------------------------===//
275 // Instruction format superclass
276 //===----------------------------------------------------------------------===//
278 include "MipsInstrFormats.td"
280 //===----------------------------------------------------------------------===//
281 // Mips Operand, Complex Patterns and Transformations Definitions.
282 //===----------------------------------------------------------------------===//
284 def MipsJumpTargetAsmOperand : AsmOperandClass {
285 let Name = "JumpTarget";
286 let ParserMethod = "ParseJumpTarget";
287 let PredicateMethod = "isImm";
288 let RenderMethod = "addImmOperands";
291 // Instruction operand types
292 def jmptarget : Operand<OtherVT> {
293 let EncoderMethod = "getJumpTargetOpValue";
294 let ParserMatchClass = MipsJumpTargetAsmOperand;
296 def brtarget : Operand<OtherVT> {
297 let EncoderMethod = "getBranchTargetOpValue";
298 let OperandType = "OPERAND_PCREL";
299 let DecoderMethod = "DecodeBranchTarget";
300 let ParserMatchClass = MipsJumpTargetAsmOperand;
302 def calltarget : Operand<iPTR> {
303 let EncoderMethod = "getJumpTargetOpValue";
304 let ParserMatchClass = MipsJumpTargetAsmOperand;
307 def simm10 : Operand<i32>;
309 def simm16 : Operand<i32> {
310 let DecoderMethod= "DecodeSimm16";
313 def simm20 : Operand<i32> {
316 def uimm20 : Operand<i32> {
319 def uimm10 : Operand<i32> {
322 def simm16_64 : Operand<i64> {
323 let DecoderMethod = "DecodeSimm16";
327 def uimmz : Operand<i32> {
328 let PrintMethod = "printUnsignedImm";
332 def uimm5 : Operand<i32> {
333 let PrintMethod = "printUnsignedImm";
336 def uimm6 : Operand<i32> {
337 let PrintMethod = "printUnsignedImm";
340 def uimm16 : Operand<i32> {
341 let PrintMethod = "printUnsignedImm";
344 def pcrel16 : Operand<i32> {
347 def MipsMemAsmOperand : AsmOperandClass {
349 let ParserMethod = "parseMemOperand";
352 def MipsInvertedImmoperand : AsmOperandClass {
354 let RenderMethod = "addImmOperands";
355 let ParserMethod = "parseInvNum";
358 def InvertedImOperand : Operand<i32> {
359 let ParserMatchClass = MipsInvertedImmoperand;
362 def InvertedImOperand64 : Operand<i64> {
363 let ParserMatchClass = MipsInvertedImmoperand;
366 class mem_generic : Operand<iPTR> {
367 let PrintMethod = "printMemOperand";
368 let MIOperandInfo = (ops ptr_rc, simm16);
369 let EncoderMethod = "getMemEncoding";
370 let ParserMatchClass = MipsMemAsmOperand;
371 let OperandType = "OPERAND_MEMORY";
375 def mem : mem_generic;
377 // MSA specific address operand
378 def mem_msa : mem_generic {
379 let MIOperandInfo = (ops ptr_rc, simm10);
380 let EncoderMethod = "getMSAMemEncoding";
383 def mem_ea : Operand<iPTR> {
384 let PrintMethod = "printMemOperandEA";
385 let MIOperandInfo = (ops ptr_rc, simm16);
386 let EncoderMethod = "getMemEncoding";
387 let OperandType = "OPERAND_MEMORY";
390 def PtrRC : Operand<iPTR> {
391 let MIOperandInfo = (ops ptr_rc);
392 let DecoderMethod = "DecodePtrRegisterClass";
393 let ParserMatchClass = GPR32AsmOperand;
396 // size operand of ext instruction
397 def size_ext : Operand<i32> {
398 let EncoderMethod = "getSizeExtEncoding";
399 let DecoderMethod = "DecodeExtSize";
402 // size operand of ins instruction
403 def size_ins : Operand<i32> {
404 let EncoderMethod = "getSizeInsEncoding";
405 let DecoderMethod = "DecodeInsSize";
408 // Transformation Function - get the lower 16 bits.
409 def LO16 : SDNodeXForm<imm, [{
410 return getImm(N, N->getZExtValue() & 0xFFFF);
413 // Transformation Function - get the higher 16 bits.
414 def HI16 : SDNodeXForm<imm, [{
415 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
419 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
421 // Node immediate is zero (e.g. insve.d)
422 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
424 // Node immediate fits as 16-bit sign extended on target immediate.
426 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
428 // Node immediate fits as 16-bit sign extended on target immediate.
430 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
432 // Node immediate fits as 15-bit sign extended on target immediate.
434 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
436 // Node immediate fits as 16-bit zero extended on target immediate.
437 // The LO16 param means that only the lower 16 bits of the node
438 // immediate are caught.
440 def immZExt16 : PatLeaf<(imm), [{
441 if (N->getValueType(0) == MVT::i32)
442 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
444 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
447 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
448 def immLow16Zero : PatLeaf<(imm), [{
449 int64_t Val = N->getSExtValue();
450 return isInt<32>(Val) && !(Val & 0xffff);
453 // shamt field must fit in 5 bits.
454 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
456 // True if (N + 1) fits in 16-bit field.
457 def immSExt16Plus1 : PatLeaf<(imm), [{
458 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
461 // Mips Address Mode! SDNode frameindex could possibily be a match
462 // since load and store instructions from stack used it.
464 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
467 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
470 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
473 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
475 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
477 //===----------------------------------------------------------------------===//
478 // Instructions specific format
479 //===----------------------------------------------------------------------===//
481 // Arithmetic and logical instructions with 3 register operands.
482 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
483 InstrItinClass Itin = NoItinerary,
484 SDPatternOperator OpNode = null_frag>:
485 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
486 !strconcat(opstr, "\t$rd, $rs, $rt"),
487 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
488 let isCommutable = isComm;
489 let isReMaterializable = 1;
490 let TwoOperandAliasConstraint = "$rd = $rs";
493 // Arithmetic and logical instructions with 2 register operands.
494 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
495 InstrItinClass Itin = NoItinerary,
496 SDPatternOperator imm_type = null_frag,
497 SDPatternOperator OpNode = null_frag> :
498 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
499 !strconcat(opstr, "\t$rt, $rs, $imm16"),
500 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
502 let isReMaterializable = 1;
503 let TwoOperandAliasConstraint = "$rs = $rt";
506 // Arithmetic Multiply ADD/SUB
507 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
508 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
509 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
510 let Defs = [HI0, LO0];
511 let Uses = [HI0, LO0];
512 let isCommutable = isComm;
516 class LogicNOR<string opstr, RegisterOperand RO>:
517 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
518 !strconcat(opstr, "\t$rd, $rs, $rt"),
519 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
520 let isCommutable = 1;
524 class shift_rotate_imm<string opstr, Operand ImmOpnd,
525 RegisterOperand RO, InstrItinClass itin,
526 SDPatternOperator OpNode = null_frag,
527 SDPatternOperator PF = null_frag> :
528 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
529 !strconcat(opstr, "\t$rd, $rt, $shamt"),
530 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
531 let TwoOperandAliasConstraint = "$rt = $rd";
534 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
535 SDPatternOperator OpNode = null_frag>:
536 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
537 !strconcat(opstr, "\t$rd, $rt, $rs"),
538 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
541 // Load Upper Imediate
542 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
543 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
544 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
545 let neverHasSideEffects = 1;
546 let isReMaterializable = 1;
550 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
551 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
552 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
553 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
554 let DecoderMethod = "DecodeMem";
555 let canFoldAsLoad = 1;
559 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
560 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
561 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
562 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
563 let DecoderMethod = "DecodeMem";
567 // Load/Store Left/Right
568 let canFoldAsLoad = 1 in
569 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
570 InstrItinClass Itin> :
571 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
572 !strconcat(opstr, "\t$rt, $addr"),
573 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
574 let DecoderMethod = "DecodeMem";
575 string Constraints = "$src = $rt";
578 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
579 InstrItinClass Itin> :
580 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
581 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
582 let DecoderMethod = "DecodeMem";
585 // Conditional Branch
586 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
587 RegisterOperand RO> :
588 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
589 !strconcat(opstr, "\t$rs, $rt, $offset"),
590 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
593 let isTerminator = 1;
594 let hasDelaySlot = 1;
598 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
599 RegisterOperand RO> :
600 InstSE<(outs), (ins RO:$rs, opnd:$offset),
601 !strconcat(opstr, "\t$rs, $offset"),
602 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
605 let isTerminator = 1;
606 let hasDelaySlot = 1;
611 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
612 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
613 !strconcat(opstr, "\t$rd, $rs, $rt"),
614 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
615 II_SLT_SLTU, FrmR, opstr>;
617 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
619 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
620 !strconcat(opstr, "\t$rt, $rs, $imm16"),
621 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
622 II_SLTI_SLTIU, FrmI, opstr>;
625 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
626 SDPatternOperator targetoperator, string bopstr> :
627 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
628 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
631 let hasDelaySlot = 1;
632 let DecoderMethod = "DecodeJumpTarget";
636 // Unconditional branch
637 class UncondBranch<Instruction BEQInst> :
638 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
639 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
641 let isTerminator = 1;
643 let hasDelaySlot = 1;
644 let AdditionalPredicates = [RelocPIC];
648 // Base class for indirect branch and return instruction classes.
649 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
650 class JumpFR<string opstr, RegisterOperand RO,
651 SDPatternOperator operator = null_frag>:
652 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
656 class IndirectBranch<string opstr, RegisterOperand RO> :
657 JumpFR<opstr, RO, brind> {
659 let isIndirectBranch = 1;
662 // Return instruction
663 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
665 let isCodeGenOnly = 1;
667 let hasExtraSrcRegAllocReq = 1;
670 // Jump and Link (Call)
671 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
672 class JumpLink<string opstr, DAGOperand opnd> :
673 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
674 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
675 let DecoderMethod = "DecodeJumpTarget";
678 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
679 Register RetReg, RegisterOperand ResRO = RO>:
680 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
681 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
683 class JumpLinkReg<string opstr, RegisterOperand RO>:
684 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
687 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
688 InstSE<(outs), (ins RO:$rs, opnd:$offset),
689 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
693 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
694 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
695 class TailCall<Instruction JumpInst> :
696 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
697 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
699 class TailCallReg<RegisterOperand RO, Instruction JRInst,
700 RegisterOperand ResRO = RO> :
701 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
702 PseudoInstExpansion<(JRInst ResRO:$rs)>;
705 class BAL_BR_Pseudo<Instruction RealInst> :
706 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
707 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
709 let isTerminator = 1;
711 let hasDelaySlot = 1;
716 class SYS_FT<string opstr> :
717 InstSE<(outs), (ins uimm20:$code_),
718 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
720 class BRK_FT<string opstr> :
721 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
722 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
726 class ER_FT<string opstr> :
727 InstSE<(outs), (ins),
728 opstr, [], NoItinerary, FrmOther, opstr>;
731 class DEI_FT<string opstr, RegisterOperand RO> :
732 InstSE<(outs RO:$rt), (ins),
733 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
736 class WAIT_FT<string opstr> :
737 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
740 let hasSideEffects = 1 in
741 class SYNC_FT<string opstr> :
742 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
743 NoItinerary, FrmOther, opstr>;
745 let hasSideEffects = 1 in
746 class TEQ_FT<string opstr, RegisterOperand RO> :
747 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
748 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
751 class TEQI_FT<string opstr, RegisterOperand RO> :
752 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
753 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
755 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
756 list<Register> DefRegs> :
757 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
759 let isCommutable = 1;
761 let neverHasSideEffects = 1;
764 // Pseudo multiply/divide instruction with explicit accumulator register
766 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
767 SDPatternOperator OpNode, InstrItinClass Itin,
768 bit IsComm = 1, bit HasSideEffects = 0,
769 bit UsesCustomInserter = 0> :
770 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
771 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
772 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
773 let isCommutable = IsComm;
774 let hasSideEffects = HasSideEffects;
775 let usesCustomInserter = UsesCustomInserter;
778 // Pseudo multiply add/sub instruction with explicit accumulator register
780 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
782 : PseudoSE<(outs ACC64:$ac),
783 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
785 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
787 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
788 string Constraints = "$acin = $ac";
791 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
792 list<Register> DefRegs> :
793 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
794 [], itin, FrmR, opstr> {
799 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
800 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
801 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
803 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
804 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
807 let neverHasSideEffects = 1;
810 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
811 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
812 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
815 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
816 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
819 let neverHasSideEffects = 1;
822 class EffectiveAddress<string opstr, RegisterOperand RO> :
823 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
824 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
825 !strconcat(opstr, "_lea")> {
826 let isCodeGenOnly = 1;
827 let DecoderMethod = "DecodeMem";
830 // Count Leading Ones/Zeros in Word
831 class CountLeading0<string opstr, RegisterOperand RO>:
832 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
833 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>,
834 AdditionalRequires<[HasBitCount]>;
836 class CountLeading1<string opstr, RegisterOperand RO>:
837 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
838 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>,
839 AdditionalRequires<[HasBitCount]>;
841 // Sign Extend in Register.
842 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
843 InstrItinClass itin> :
844 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
845 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>,
849 class SubwordSwap<string opstr, RegisterOperand RO>:
850 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
851 NoItinerary, FrmR, opstr>, INSN_SWAP {
852 let neverHasSideEffects = 1;
856 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
857 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
861 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
862 SDPatternOperator Op = null_frag>:
863 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
864 !strconcat(opstr, " $rt, $rs, $pos, $size"),
865 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
866 FrmR, opstr>, ISA_MIPS32R2;
868 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
869 SDPatternOperator Op = null_frag>:
870 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
871 !strconcat(opstr, " $rt, $rs, $pos, $size"),
872 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
873 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
874 let Constraints = "$src = $rt";
877 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
878 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
879 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
880 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
882 // Atomic Compare & Swap.
883 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
884 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
885 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
887 class LLBase<string opstr, RegisterOperand RO> :
888 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
889 [], NoItinerary, FrmI> {
890 let DecoderMethod = "DecodeMem";
894 class SCBase<string opstr, RegisterOperand RO> :
895 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
896 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
897 let DecoderMethod = "DecodeMem";
899 let Constraints = "$rt = $dst";
902 class MFC3OP<string asmstr, RegisterOperand RO> :
903 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
904 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
906 class TrapBase<Instruction RealInst>
907 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
908 PseudoInstExpansion<(RealInst 0, 0)> {
910 let isTerminator = 1;
911 let isCodeGenOnly = 1;
914 //===----------------------------------------------------------------------===//
915 // Pseudo instructions
916 //===----------------------------------------------------------------------===//
919 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
920 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
922 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
923 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
924 [(callseq_start timm:$amt)]>;
925 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
926 [(callseq_end timm:$amt1, timm:$amt2)]>;
929 let usesCustomInserter = 1 in {
930 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
931 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
932 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
933 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
934 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
935 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
936 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
937 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
938 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
939 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
940 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
941 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
942 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
943 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
944 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
945 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
946 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
947 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
949 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
950 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
951 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
953 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
954 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
955 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
958 /// Pseudo instructions for loading and storing accumulator registers.
959 let isPseudo = 1, isCodeGenOnly = 1 in {
960 def LOAD_ACC64 : Load<"", ACC64>;
961 def STORE_ACC64 : Store<"", ACC64>;
964 // We need these two pseudo instructions to avoid offset calculation for long
965 // branches. See the comment in file MipsLongBranch.cpp for detailed
968 // Expands to: lui $dst, %hi($tgt - $baltgt)
969 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
970 (ins brtarget:$tgt, brtarget:$baltgt), []>;
972 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
973 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
974 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
976 //===----------------------------------------------------------------------===//
977 // Instruction definition
978 //===----------------------------------------------------------------------===//
979 //===----------------------------------------------------------------------===//
980 // MipsI Instructions
981 //===----------------------------------------------------------------------===//
983 /// Arithmetic Instructions (ALU Immediate)
984 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
986 ADDI_FM<0x9>, IsAsCheapAsAMove;
987 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
988 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
990 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
992 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
995 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
998 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
1001 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1003 /// Arithmetic Instructions (3-Operand, R-Type)
1004 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1006 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1008 let Defs = [HI0, LO0] in
1009 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1011 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1012 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1013 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1014 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1015 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1017 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1019 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1021 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1023 /// Shift Instructions
1024 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1025 immZExt5>, SRA_FM<0, 0>;
1026 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1027 immZExt5>, SRA_FM<2, 0>;
1028 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1029 immZExt5>, SRA_FM<3, 0>;
1030 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1032 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1034 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1037 // Rotate Instructions
1038 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1040 SRA_FM<2, 1>, ISA_MIPS32R2;
1041 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1042 SRLV_FM<6, 1>, ISA_MIPS32R2;
1044 /// Load and Store Instructions
1046 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1047 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1049 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1051 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1052 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1054 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1055 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1056 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1058 /// load/store left/right
1059 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1060 AdditionalPredicates = [NotInMicroMips] in {
1061 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1062 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1063 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1064 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1067 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1068 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1069 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1070 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1071 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1072 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1073 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1075 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>, ISA_MIPS2;
1076 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>, ISA_MIPS2;
1077 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>, ISA_MIPS2;
1078 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>, ISA_MIPS2;
1079 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>, ISA_MIPS2;
1080 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>, ISA_MIPS2;
1082 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1083 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1084 def TRAP : TrapBase<BREAK>;
1086 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1087 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1089 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1090 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1092 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1093 AdditionalPredicates = [NotInMicroMips] in {
1094 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1096 /// Load-linked, Store-conditional
1097 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2;
1098 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2;
1101 /// Jump and Branch Instructions
1102 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1103 AdditionalRequires<[RelocStatic]>, IsBranch;
1104 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1105 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1106 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1107 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1109 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1111 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1113 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1115 def B : UncondBranch<BEQ>;
1117 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1118 let AdditionalPredicates = [NotInMicroMips] in {
1119 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1120 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1122 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1123 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1124 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1125 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1126 def TAILCALL : TailCall<J>;
1127 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1129 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1131 // Exception handling related node and instructions.
1132 // The conversion sequence is:
1133 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1134 // MIPSeh_return -> (stack change + indirect branch)
1136 // MIPSeh_return takes the place of regular return instruction
1137 // but takes two arguments (V1, V0) which are used for storing
1138 // the offset and return address respectively.
1139 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1141 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1142 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1144 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1145 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1146 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1147 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1149 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1152 /// Multiply and Divide Instructions.
1153 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1155 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1157 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1159 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1162 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1163 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1164 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1165 AdditionalPredicates = [NotInMicroMips] in {
1166 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1167 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1170 /// Sign Ext In Register Instructions.
1171 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM<0x10, 0x20>;
1172 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM<0x18, 0x20>;
1175 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>;
1176 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>;
1178 /// Word Swap Bytes Within Halfwords
1179 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>;
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>;
1192 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1193 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1194 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
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>;
1220 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
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>,
1242 Requires<[IsGP32, NotInMicroMips]>;
1243 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1244 def : MipsInstAlias<"addu $rs, $rt, $imm",
1245 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1246 def : MipsInstAlias<"add $rs, $rt, $imm",
1247 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1248 def : MipsInstAlias<"and $rs, $rt, $imm",
1249 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1250 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1251 let Predicates = [NotInMicroMips] in {
1252 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1254 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1255 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1256 def : MipsInstAlias<"not $rt, $rs",
1257 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1258 def : MipsInstAlias<"neg $rt, $rs",
1259 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1260 def : MipsInstAlias<"negu $rt",
1261 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1262 def : MipsInstAlias<"negu $rt, $rs",
1263 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1264 def : MipsInstAlias<"slt $rs, $rt, $imm",
1265 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1266 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1267 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1268 def : MipsInstAlias<"xor $rs, $rt, $imm",
1269 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1270 def : MipsInstAlias<"or $rs, $rt, $imm",
1271 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1272 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1273 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1274 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1275 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1276 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1277 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1278 def : MipsInstAlias<"bnez $rs,$offset",
1279 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1280 def : MipsInstAlias<"beqz $rs,$offset",
1281 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1282 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1284 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1285 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1286 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1287 def : MipsInstAlias<"di", (DI ZERO), 1>;
1289 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1290 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1291 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1293 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1294 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1296 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1297 def : MipsInstAlias<"sll $rd, $rt, $rs",
1298 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1299 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1300 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1301 InvertedImOperand:$imm)>;
1302 def : MipsInstAlias<"sub $rs, $imm",
1303 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1305 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1306 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1307 InvertedImOperand:$imm)>;
1308 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1309 InvertedImOperand:$imm), 0>;
1310 def : MipsInstAlias<"sra $rd, $rt, $rs",
1311 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1312 def : MipsInstAlias<"srl $rd, $rt, $rs",
1313 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1314 //===----------------------------------------------------------------------===//
1315 // Assembler Pseudo Instructions
1316 //===----------------------------------------------------------------------===//
1318 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1319 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1320 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1321 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1323 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1324 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1325 !strconcat(instr_asm, "\t$rt, $addr")> ;
1326 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1328 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1329 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1330 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1331 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1333 //===----------------------------------------------------------------------===//
1334 // Arbitrary patterns that map to one or more instructions
1335 //===----------------------------------------------------------------------===//
1337 // Load/store pattern templates.
1338 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1339 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1341 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1342 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1345 def : MipsPat<(i32 immSExt16:$in),
1346 (ADDiu ZERO, imm:$in)>;
1347 def : MipsPat<(i32 immZExt16:$in),
1348 (ORi ZERO, imm:$in)>;
1349 def : MipsPat<(i32 immLow16Zero:$in),
1350 (LUi (HI16 imm:$in))>;
1352 // Arbitrary immediates
1353 def : MipsPat<(i32 imm:$imm),
1354 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1356 // Carry MipsPatterns
1357 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1358 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1359 let AdditionalPredicates = [NotDSP] in {
1360 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1361 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1362 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1363 (ADDiu GPR32:$src, imm:$imm)>;
1367 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1368 (JAL tglobaladdr:$dst)>;
1369 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1370 (JAL texternalsym:$dst)>;
1371 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1372 // (JALR GPR32:$dst)>;
1375 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1376 (TAILCALL tglobaladdr:$dst)>;
1377 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1378 (TAILCALL texternalsym:$dst)>;
1380 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1381 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1382 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1383 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1384 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1385 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1387 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1388 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1389 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1390 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1391 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1392 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1394 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1395 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1396 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1397 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1398 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1399 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1400 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1401 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1402 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1403 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1406 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1407 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1408 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1409 (ADDiu GPR32:$gp, tconstpool:$in)>;
1412 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1413 MipsPat<(MipsWrapper RC:$gp, node:$in),
1414 (ADDiuOp RC:$gp, node:$in)>;
1416 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1417 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1418 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1419 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1420 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1421 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1423 // Mips does not have "not", so we expand our way
1424 def : MipsPat<(not GPR32:$in),
1425 (NOR GPR32Opnd:$in, ZERO)>;
1428 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1429 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1430 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1433 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1436 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1437 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1438 Instruction SLTiuOp, Register ZEROReg> {
1439 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1440 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1441 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1442 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1444 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1445 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1446 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1447 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1448 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1449 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1450 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1451 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1452 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1453 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1454 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1455 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1457 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1458 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1459 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1460 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1462 def : MipsPat<(brcond RC:$cond, bb:$dst),
1463 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1466 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1468 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1469 (BLEZ i32:$lhs, bb:$dst)>;
1470 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1471 (BGEZ i32:$lhs, bb:$dst)>;
1474 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1475 Instruction SLTuOp, Register ZEROReg> {
1476 def : MipsPat<(seteq RC:$lhs, 0),
1477 (SLTiuOp RC:$lhs, 1)>;
1478 def : MipsPat<(setne RC:$lhs, 0),
1479 (SLTuOp ZEROReg, RC:$lhs)>;
1480 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1481 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1482 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1483 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1486 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1487 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1488 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1489 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1490 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1493 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1494 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1495 (SLTOp RC:$rhs, RC:$lhs)>;
1496 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1497 (SLTuOp RC:$rhs, RC:$lhs)>;
1500 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1501 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1502 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1503 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1504 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1507 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1508 Instruction SLTiuOp> {
1509 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1510 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1511 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1512 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1515 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1516 defm : SetlePats<GPR32, SLT, SLTu>;
1517 defm : SetgtPats<GPR32, SLT, SLTu>;
1518 defm : SetgePats<GPR32, SLT, SLTu>;
1519 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1522 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1524 // Load halfword/word patterns.
1525 let AddedComplexity = 40 in {
1526 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1527 def : LoadRegImmPat<LH, i32, sextloadi16>;
1528 def : LoadRegImmPat<LW, i32, load>;
1531 //===----------------------------------------------------------------------===//
1532 // Floating Point Support
1533 //===----------------------------------------------------------------------===//
1535 include "MipsInstrFPU.td"
1536 include "Mips64InstrInfo.td"
1537 include "MipsCondMov.td"
1539 include "Mips32r6InstrInfo.td"
1540 include "Mips64r6InstrInfo.td"
1545 include "Mips16InstrFormats.td"
1546 include "Mips16InstrInfo.td"
1549 include "MipsDSPInstrFormats.td"
1550 include "MipsDSPInstrInfo.td"
1553 include "MipsMSAInstrFormats.td"
1554 include "MipsMSAInstrInfo.td"
1557 include "MicroMipsInstrFormats.td"
1558 include "MicroMipsInstrInfo.td"
1559 include "MicroMipsInstrFPU.td"