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 HasCondMov : Predicate<"Subtarget.hasCondMov()">,
156 AssemblerPredicate<"FeatureCondMov">;
157 def HasFPIdx : Predicate<"Subtarget.hasFPIdx()">,
158 AssemblerPredicate<"FeatureFPIdx">;
159 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
160 AssemblerPredicate<"FeatureMips32">;
161 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
162 AssemblerPredicate<"FeatureMips32r2">;
163 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
164 AssemblerPredicate<"FeatureGP64Bit">;
165 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
166 AssemblerPredicate<"!FeatureGP64Bit">;
167 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
168 AssemblerPredicate<"FeatureMips64">;
169 def IsGP32 : Predicate<"!Subtarget.isGP64()">,
170 AssemblerPredicate<"!FeatureGP64Bit">;
171 def IsGP64 : Predicate<"Subtarget.isGP64()">,
172 AssemblerPredicate<"FeatureGP64Bit">;
173 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
174 AssemblerPredicate<"FeatureMips64r2">;
175 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
176 AssemblerPredicate<"FeatureN64">;
177 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
178 AssemblerPredicate<"FeatureMips16">;
179 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
180 AssemblerPredicate<"FeatureCnMips">;
181 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
182 AssemblerPredicate<"FeatureMips32">;
183 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
184 AssemblerPredicate<"FeatureMips32">;
185 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
186 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
187 AssemblerPredicate<"!FeatureMips16">;
188 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
189 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
190 AssemblerPredicate<"FeatureMicroMips">;
191 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
192 AssemblerPredicate<"!FeatureMicroMips">;
193 def IsLE : Predicate<"Subtarget.isLittle()">;
194 def IsBE : Predicate<"!Subtarget.isLittle()">;
195 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
197 class MipsPat<dag pattern, dag result> : Pat<pattern, result> {
198 let Predicates = [HasStdEnc];
202 bit isCommutable = 1;
219 bit isTerminator = 1;
222 bit hasExtraSrcRegAllocReq = 1;
223 bit isCodeGenOnly = 1;
226 class IsAsCheapAsAMove {
227 bit isAsCheapAsAMove = 1;
230 class NeverHasSideEffects {
231 bit neverHasSideEffects = 1;
234 //===----------------------------------------------------------------------===//
235 // Instruction format superclass
236 //===----------------------------------------------------------------------===//
238 include "MipsInstrFormats.td"
240 //===----------------------------------------------------------------------===//
241 // Mips Operand, Complex Patterns and Transformations Definitions.
242 //===----------------------------------------------------------------------===//
244 def MipsJumpTargetAsmOperand : AsmOperandClass {
245 let Name = "JumpTarget";
246 let ParserMethod = "ParseJumpTarget";
247 let PredicateMethod = "isImm";
248 let RenderMethod = "addImmOperands";
251 // Instruction operand types
252 def jmptarget : Operand<OtherVT> {
253 let EncoderMethod = "getJumpTargetOpValue";
254 let ParserMatchClass = MipsJumpTargetAsmOperand;
256 def brtarget : Operand<OtherVT> {
257 let EncoderMethod = "getBranchTargetOpValue";
258 let OperandType = "OPERAND_PCREL";
259 let DecoderMethod = "DecodeBranchTarget";
260 let ParserMatchClass = MipsJumpTargetAsmOperand;
262 def calltarget : Operand<iPTR> {
263 let EncoderMethod = "getJumpTargetOpValue";
264 let ParserMatchClass = MipsJumpTargetAsmOperand;
267 def simm10 : Operand<i32>;
269 def simm16 : Operand<i32> {
270 let DecoderMethod= "DecodeSimm16";
273 def simm20 : Operand<i32> {
276 def uimm20 : Operand<i32> {
279 def uimm10 : Operand<i32> {
282 def simm16_64 : Operand<i64> {
283 let DecoderMethod = "DecodeSimm16";
287 def uimmz : Operand<i32> {
288 let PrintMethod = "printUnsignedImm";
292 def uimm5 : Operand<i32> {
293 let PrintMethod = "printUnsignedImm";
296 def uimm6 : Operand<i32> {
297 let PrintMethod = "printUnsignedImm";
300 def uimm16 : Operand<i32> {
301 let PrintMethod = "printUnsignedImm";
304 def pcrel16 : Operand<i32> {
307 def MipsMemAsmOperand : AsmOperandClass {
309 let ParserMethod = "parseMemOperand";
312 def MipsInvertedImmoperand : AsmOperandClass {
314 let RenderMethod = "addImmOperands";
315 let ParserMethod = "parseInvNum";
318 def InvertedImOperand : Operand<i32> {
319 let ParserMatchClass = MipsInvertedImmoperand;
322 def InvertedImOperand64 : Operand<i64> {
323 let ParserMatchClass = MipsInvertedImmoperand;
326 class mem_generic : Operand<iPTR> {
327 let PrintMethod = "printMemOperand";
328 let MIOperandInfo = (ops ptr_rc, simm16);
329 let EncoderMethod = "getMemEncoding";
330 let ParserMatchClass = MipsMemAsmOperand;
331 let OperandType = "OPERAND_MEMORY";
335 def mem : mem_generic;
337 // MSA specific address operand
338 def mem_msa : mem_generic {
339 let MIOperandInfo = (ops ptr_rc, simm10);
340 let EncoderMethod = "getMSAMemEncoding";
343 def mem_ea : Operand<iPTR> {
344 let PrintMethod = "printMemOperandEA";
345 let MIOperandInfo = (ops ptr_rc, simm16);
346 let EncoderMethod = "getMemEncoding";
347 let OperandType = "OPERAND_MEMORY";
350 def PtrRC : Operand<iPTR> {
351 let MIOperandInfo = (ops ptr_rc);
352 let DecoderMethod = "DecodePtrRegisterClass";
353 let ParserMatchClass = GPR32AsmOperand;
356 // size operand of ext instruction
357 def size_ext : Operand<i32> {
358 let EncoderMethod = "getSizeExtEncoding";
359 let DecoderMethod = "DecodeExtSize";
362 // size operand of ins instruction
363 def size_ins : Operand<i32> {
364 let EncoderMethod = "getSizeInsEncoding";
365 let DecoderMethod = "DecodeInsSize";
368 // Transformation Function - get the lower 16 bits.
369 def LO16 : SDNodeXForm<imm, [{
370 return getImm(N, N->getZExtValue() & 0xFFFF);
373 // Transformation Function - get the higher 16 bits.
374 def HI16 : SDNodeXForm<imm, [{
375 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
379 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
381 // Node immediate is zero (e.g. insve.d)
382 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
384 // Node immediate fits as 16-bit sign extended on target immediate.
386 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
388 // Node immediate fits as 16-bit sign extended on target immediate.
390 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
392 // Node immediate fits as 15-bit sign extended on target immediate.
394 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
396 // Node immediate fits as 16-bit zero extended on target immediate.
397 // The LO16 param means that only the lower 16 bits of the node
398 // immediate are caught.
400 def immZExt16 : PatLeaf<(imm), [{
401 if (N->getValueType(0) == MVT::i32)
402 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
404 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
407 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
408 def immLow16Zero : PatLeaf<(imm), [{
409 int64_t Val = N->getSExtValue();
410 return isInt<32>(Val) && !(Val & 0xffff);
413 // shamt field must fit in 5 bits.
414 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
416 // True if (N + 1) fits in 16-bit field.
417 def immSExt16Plus1 : PatLeaf<(imm), [{
418 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
421 // Mips Address Mode! SDNode frameindex could possibily be a match
422 // since load and store instructions from stack used it.
424 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
427 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
430 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
433 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
435 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
437 //===----------------------------------------------------------------------===//
438 // Instructions specific format
439 //===----------------------------------------------------------------------===//
441 // Arithmetic and logical instructions with 3 register operands.
442 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
443 InstrItinClass Itin = NoItinerary,
444 SDPatternOperator OpNode = null_frag>:
445 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
446 !strconcat(opstr, "\t$rd, $rs, $rt"),
447 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
448 let isCommutable = isComm;
449 let isReMaterializable = 1;
450 let TwoOperandAliasConstraint = "$rd = $rs";
453 // Arithmetic and logical instructions with 2 register operands.
454 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
455 InstrItinClass Itin = NoItinerary,
456 SDPatternOperator imm_type = null_frag,
457 SDPatternOperator OpNode = null_frag> :
458 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
459 !strconcat(opstr, "\t$rt, $rs, $imm16"),
460 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
462 let isReMaterializable = 1;
463 let TwoOperandAliasConstraint = "$rs = $rt";
466 // Arithmetic Multiply ADD/SUB
467 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
468 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
469 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
470 let Defs = [HI0, LO0];
471 let Uses = [HI0, LO0];
472 let isCommutable = isComm;
476 class LogicNOR<string opstr, RegisterOperand RO>:
477 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
478 !strconcat(opstr, "\t$rd, $rs, $rt"),
479 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
480 let isCommutable = 1;
484 class shift_rotate_imm<string opstr, Operand ImmOpnd,
485 RegisterOperand RO, InstrItinClass itin,
486 SDPatternOperator OpNode = null_frag,
487 SDPatternOperator PF = null_frag> :
488 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
489 !strconcat(opstr, "\t$rd, $rt, $shamt"),
490 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr>;
492 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
493 SDPatternOperator OpNode = null_frag>:
494 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
495 !strconcat(opstr, "\t$rd, $rt, $rs"),
496 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
499 // Load Upper Imediate
500 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
501 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
502 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
503 let neverHasSideEffects = 1;
504 let isReMaterializable = 1;
508 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
509 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
510 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
511 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
512 let DecoderMethod = "DecodeMem";
513 let canFoldAsLoad = 1;
517 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
518 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
519 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
520 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
521 let DecoderMethod = "DecodeMem";
525 // Load/Store Left/Right
526 let canFoldAsLoad = 1 in
527 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
528 InstrItinClass Itin> :
529 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
530 !strconcat(opstr, "\t$rt, $addr"),
531 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
532 let DecoderMethod = "DecodeMem";
533 string Constraints = "$src = $rt";
536 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
537 InstrItinClass Itin> :
538 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
539 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
540 let DecoderMethod = "DecodeMem";
543 // Conditional Branch
544 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
545 RegisterOperand RO> :
546 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
547 !strconcat(opstr, "\t$rs, $rt, $offset"),
548 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
551 let isTerminator = 1;
552 let hasDelaySlot = 1;
556 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
557 RegisterOperand RO> :
558 InstSE<(outs), (ins RO:$rs, opnd:$offset),
559 !strconcat(opstr, "\t$rs, $offset"),
560 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
563 let isTerminator = 1;
564 let hasDelaySlot = 1;
569 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
570 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
571 !strconcat(opstr, "\t$rd, $rs, $rt"),
572 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
573 II_SLT_SLTU, FrmR, opstr>;
575 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
577 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
578 !strconcat(opstr, "\t$rt, $rs, $imm16"),
579 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
580 II_SLTI_SLTIU, FrmI, opstr>;
583 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
584 SDPatternOperator targetoperator, string bopstr> :
585 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
586 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
589 let hasDelaySlot = 1;
590 let DecoderMethod = "DecodeJumpTarget";
594 // Unconditional branch
595 class UncondBranch<Instruction BEQInst> :
596 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
597 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
599 let isTerminator = 1;
601 let hasDelaySlot = 1;
602 let Predicates = [RelocPIC, HasStdEnc];
606 // Base class for indirect branch and return instruction classes.
607 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
608 class JumpFR<string opstr, RegisterOperand RO,
609 SDPatternOperator operator = null_frag>:
610 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
614 class IndirectBranch<string opstr, RegisterOperand RO> :
615 JumpFR<opstr, RO, brind> {
617 let isIndirectBranch = 1;
620 // Return instruction
621 class RetBase<string opstr, RegisterOperand RO>: JumpFR<opstr, RO> {
623 let isCodeGenOnly = 1;
625 let hasExtraSrcRegAllocReq = 1;
628 // Jump and Link (Call)
629 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
630 class JumpLink<string opstr, DAGOperand opnd> :
631 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
632 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
633 let DecoderMethod = "DecodeJumpTarget";
636 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
637 Register RetReg, RegisterOperand ResRO = RO>:
638 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
639 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
641 class JumpLinkReg<string opstr, RegisterOperand RO>:
642 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
645 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
646 InstSE<(outs), (ins RO:$rs, opnd:$offset),
647 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
651 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
652 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
653 class TailCall<Instruction JumpInst> :
654 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
655 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
657 class TailCallReg<RegisterOperand RO, Instruction JRInst,
658 RegisterOperand ResRO = RO> :
659 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
660 PseudoInstExpansion<(JRInst ResRO:$rs)>;
663 class BAL_BR_Pseudo<Instruction RealInst> :
664 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
665 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
667 let isTerminator = 1;
669 let hasDelaySlot = 1;
674 class SYS_FT<string opstr> :
675 InstSE<(outs), (ins uimm20:$code_),
676 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
678 class BRK_FT<string opstr> :
679 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
680 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
684 class ER_FT<string opstr> :
685 InstSE<(outs), (ins),
686 opstr, [], NoItinerary, FrmOther, opstr>;
689 class DEI_FT<string opstr, RegisterOperand RO> :
690 InstSE<(outs RO:$rt), (ins),
691 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
694 class WAIT_FT<string opstr> :
695 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
698 let hasSideEffects = 1 in
699 class SYNC_FT<string opstr> :
700 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
701 NoItinerary, FrmOther, opstr>;
703 let hasSideEffects = 1 in
704 class TEQ_FT<string opstr, RegisterOperand RO> :
705 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
706 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
709 class TEQI_FT<string opstr, RegisterOperand RO> :
710 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
711 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
713 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
714 list<Register> DefRegs> :
715 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
717 let isCommutable = 1;
719 let neverHasSideEffects = 1;
722 // Pseudo multiply/divide instruction with explicit accumulator register
724 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
725 SDPatternOperator OpNode, InstrItinClass Itin,
726 bit IsComm = 1, bit HasSideEffects = 0,
727 bit UsesCustomInserter = 0> :
728 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
729 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
730 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
731 let isCommutable = IsComm;
732 let hasSideEffects = HasSideEffects;
733 let usesCustomInserter = UsesCustomInserter;
736 // Pseudo multiply add/sub instruction with explicit accumulator register
738 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
740 : PseudoSE<(outs ACC64:$ac),
741 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
743 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
745 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
746 string Constraints = "$acin = $ac";
749 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
750 list<Register> DefRegs> :
751 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
752 [], itin, FrmR, opstr> {
757 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
758 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
759 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
761 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
762 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
765 let neverHasSideEffects = 1;
768 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
769 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
770 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
773 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
774 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
777 let neverHasSideEffects = 1;
780 class EffectiveAddress<string opstr, RegisterOperand RO> :
781 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
782 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
783 !strconcat(opstr, "_lea")> {
784 let isCodeGenOnly = 1;
785 let DecoderMethod = "DecodeMem";
788 // Count Leading Ones/Zeros in Word
789 class CountLeading0<string opstr, RegisterOperand RO>:
790 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
791 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>,
792 Requires<[HasBitCount, HasStdEnc]>;
794 class CountLeading1<string opstr, RegisterOperand RO>:
795 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
796 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>,
797 Requires<[HasBitCount, HasStdEnc]>;
799 // Sign Extend in Register.
800 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
801 InstrItinClass itin> :
802 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
803 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr> {
804 let Predicates = [HasSEInReg, HasStdEnc];
808 class SubwordSwap<string opstr, RegisterOperand RO>:
809 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
810 NoItinerary, FrmR, opstr> {
811 let Predicates = [HasSwap, HasStdEnc];
812 let neverHasSideEffects = 1;
816 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
817 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
821 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
822 SDPatternOperator Op = null_frag>:
823 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
824 !strconcat(opstr, " $rt, $rs, $pos, $size"),
825 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
827 let Predicates = [HasMips32r2, HasStdEnc];
830 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
831 SDPatternOperator Op = null_frag>:
832 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
833 !strconcat(opstr, " $rt, $rs, $pos, $size"),
834 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
835 NoItinerary, FrmR, opstr> {
836 let Predicates = [HasMips32r2, HasStdEnc];
837 let Constraints = "$src = $rt";
840 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
841 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
842 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
843 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
845 // Atomic Compare & Swap.
846 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
847 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
848 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
850 class LLBase<string opstr, RegisterOperand RO> :
851 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
852 [], NoItinerary, FrmI> {
853 let DecoderMethod = "DecodeMem";
857 class SCBase<string opstr, RegisterOperand RO> :
858 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
859 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
860 let DecoderMethod = "DecodeMem";
862 let Constraints = "$rt = $dst";
865 class MFC3OP<string asmstr, RegisterOperand RO> :
866 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
867 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
869 class TrapBase<Instruction RealInst>
870 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
871 PseudoInstExpansion<(RealInst 0, 0)> {
873 let isTerminator = 1;
874 let isCodeGenOnly = 1;
877 //===----------------------------------------------------------------------===//
878 // Pseudo instructions
879 //===----------------------------------------------------------------------===//
882 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
883 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
885 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
886 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
887 [(callseq_start timm:$amt)]>;
888 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
889 [(callseq_end timm:$amt1, timm:$amt2)]>;
892 let usesCustomInserter = 1 in {
893 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
894 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
895 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
896 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
897 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
898 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
899 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
900 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
901 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
902 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
903 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
904 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
905 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
906 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
907 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
908 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
909 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
910 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
912 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
913 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
914 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
916 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
917 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
918 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
921 /// Pseudo instructions for loading and storing accumulator registers.
922 let isPseudo = 1, isCodeGenOnly = 1 in {
923 def LOAD_ACC64 : Load<"", ACC64>;
924 def STORE_ACC64 : Store<"", ACC64>;
927 //===----------------------------------------------------------------------===//
928 // Instruction definition
929 //===----------------------------------------------------------------------===//
930 //===----------------------------------------------------------------------===//
931 // MipsI Instructions
932 //===----------------------------------------------------------------------===//
934 /// Arithmetic Instructions (ALU Immediate)
935 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
937 ADDI_FM<0x9>, IsAsCheapAsAMove;
938 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
939 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
941 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
943 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
946 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
949 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
952 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
954 /// Arithmetic Instructions (3-Operand, R-Type)
955 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
957 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
959 let Defs = [HI0, LO0] in
960 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
962 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
963 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
964 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
965 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
966 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
968 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
970 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
972 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
974 /// Shift Instructions
975 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
976 immZExt5>, SRA_FM<0, 0>;
977 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
978 immZExt5>, SRA_FM<2, 0>;
979 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
980 immZExt5>, SRA_FM<3, 0>;
981 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
983 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
985 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
988 // Rotate Instructions
989 let Predicates = [HasMips32r2, HasStdEnc] in {
990 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
991 immZExt5>, SRA_FM<2, 1>;
992 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
996 /// Load and Store Instructions
998 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
999 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1001 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1003 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1004 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1006 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1007 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1008 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1010 /// load/store left/right
1011 let Predicates = [NotInMicroMips] in {
1012 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>;
1013 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>;
1014 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>;
1015 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>;
1018 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM;
1019 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1020 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1021 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1022 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1023 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1024 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1026 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>;
1027 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>;
1028 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>;
1029 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>;
1030 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>;
1031 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>;
1033 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1034 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1035 def TRAP : TrapBase<BREAK>;
1037 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>;
1038 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>;
1040 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
1041 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
1043 let Predicates = [NotInMicroMips] in {
1044 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1046 /// Load-linked, Store-conditional
1047 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>;
1048 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>;
1051 /// Jump and Branch Instructions
1052 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1053 Requires<[RelocStatic, HasStdEnc]>, IsBranch;
1054 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1055 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1056 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1057 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1059 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1061 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1063 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1065 def B : UncondBranch<BEQ>;
1067 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1068 let Predicates = [NotInMicroMips, HasStdEnc] in {
1069 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1070 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1072 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>;
1073 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>;
1074 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>;
1075 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1076 def TAILCALL : TailCall<J>;
1077 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1079 def RET : MMRel, RetBase<"ret", GPR32Opnd>, MTLO_FM<8>;
1081 // Exception handling related node and instructions.
1082 // The conversion sequence is:
1083 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1084 // MIPSeh_return -> (stack change + indirect branch)
1086 // MIPSeh_return takes the place of regular return instruction
1087 // but takes two arguments (V1, V0) which are used for storing
1088 // the offset and return address respectively.
1089 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1091 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1092 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1094 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1095 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1096 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1097 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1099 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1102 /// Multiply and Divide Instructions.
1103 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1105 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1107 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1109 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1112 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1113 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1114 let Predicates = [NotInMicroMips] in {
1115 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>;
1116 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>;
1119 /// Sign Ext In Register Instructions.
1120 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>, SEB_FM<0x10, 0x20>;
1121 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>, SEB_FM<0x18, 0x20>;
1124 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>;
1125 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>;
1127 /// Word Swap Bytes Within Halfwords
1128 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>;
1131 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1133 // FrameIndexes are legalized when they are operands from load/store
1134 // instructions. The same not happens for stack address copies, so an
1135 // add op with mem ComplexPattern is used and the stack address copy
1136 // can be matched. It's similar to Sparc LEA_ADDRi
1137 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1140 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>;
1141 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>;
1142 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>;
1143 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>;
1145 let Predicates = [HasStdEnc, NotDSP] in {
1146 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>;
1147 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>;
1148 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>;
1149 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>;
1150 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>;
1151 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>;
1152 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>;
1153 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>;
1154 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>;
1157 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1159 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1162 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1164 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1165 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1167 /// Move Control Registers From/To CPU Registers
1168 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1169 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1170 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1171 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1173 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1175 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1176 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1177 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, Requires<[HasMips32r2]>;
1179 //===----------------------------------------------------------------------===//
1180 // Instruction aliases
1181 //===----------------------------------------------------------------------===//
1182 def : InstAlias<"move $dst, $src",
1183 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1184 Requires<[IsGP32, NotInMicroMips]>;
1185 def : InstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1186 def : InstAlias<"addu $rs, $rt, $imm",
1187 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1188 def : InstAlias<"add $rs, $rt, $imm",
1189 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1190 def : InstAlias<"and $rs, $rt, $imm",
1191 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1192 def : InstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1193 let Predicates = [NotInMicroMips] in {
1194 def : InstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1196 def : InstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1197 def : InstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1198 def : InstAlias<"not $rt, $rs",
1199 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1200 def : InstAlias<"neg $rt, $rs",
1201 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1202 def : InstAlias<"negu $rt, $rs",
1203 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1204 def : InstAlias<"slt $rs, $rt, $imm",
1205 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1206 def : InstAlias<"xor $rs, $rt, $imm",
1207 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1208 def : InstAlias<"or $rs, $rt, $imm",
1209 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1210 def : InstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1211 def : InstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1212 def : InstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1213 def : InstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1214 def : InstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1215 def : InstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1216 def : InstAlias<"bnez $rs,$offset",
1217 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1218 def : InstAlias<"beqz $rs,$offset",
1219 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1220 def : InstAlias<"syscall", (SYSCALL 0), 1>;
1222 def : InstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1223 def : InstAlias<"break", (BREAK 0, 0), 1>;
1224 def : InstAlias<"ei", (EI ZERO), 1>;
1225 def : InstAlias<"di", (DI ZERO), 1>;
1227 def : InstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1228 def : InstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1229 def : InstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1230 def : InstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1231 def : InstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1232 def : InstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1233 def : InstAlias<"sub, $rd, $rs, $imm",
1234 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1235 def : InstAlias<"sub $rs, $imm",
1236 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1238 def : InstAlias<"subu, $rd, $rs, $imm",
1239 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1240 def : InstAlias<"subu $rs, $imm",
1241 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1243 //===----------------------------------------------------------------------===//
1244 // Assembler Pseudo Instructions
1245 //===----------------------------------------------------------------------===//
1247 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1248 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1249 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1250 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1252 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1253 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1254 !strconcat(instr_asm, "\t$rt, $addr")> ;
1255 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1257 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1258 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1259 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1260 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1262 //===----------------------------------------------------------------------===//
1263 // Arbitrary patterns that map to one or more instructions
1264 //===----------------------------------------------------------------------===//
1266 // Load/store pattern templates.
1267 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1268 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1270 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1271 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1274 def : MipsPat<(i32 immSExt16:$in),
1275 (ADDiu ZERO, imm:$in)>;
1276 def : MipsPat<(i32 immZExt16:$in),
1277 (ORi ZERO, imm:$in)>;
1278 def : MipsPat<(i32 immLow16Zero:$in),
1279 (LUi (HI16 imm:$in))>;
1281 // Arbitrary immediates
1282 def : MipsPat<(i32 imm:$imm),
1283 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1285 // Carry MipsPatterns
1286 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1287 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1288 let Predicates = [HasStdEnc, NotDSP] in {
1289 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1290 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1291 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1292 (ADDiu GPR32:$src, imm:$imm)>;
1296 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1297 (JAL tglobaladdr:$dst)>;
1298 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1299 (JAL texternalsym:$dst)>;
1300 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1301 // (JALR GPR32:$dst)>;
1304 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1305 (TAILCALL tglobaladdr:$dst)>;
1306 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1307 (TAILCALL texternalsym:$dst)>;
1309 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1310 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1311 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1312 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1313 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1314 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1316 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1317 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1318 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1319 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1320 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1321 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1323 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1324 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1325 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1326 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1327 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1328 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1329 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1330 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1331 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1332 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1335 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1336 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1337 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1338 (ADDiu GPR32:$gp, tconstpool:$in)>;
1341 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1342 MipsPat<(MipsWrapper RC:$gp, node:$in),
1343 (ADDiuOp RC:$gp, node:$in)>;
1345 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1346 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1347 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1348 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1349 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1350 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1352 // Mips does not have "not", so we expand our way
1353 def : MipsPat<(not GPR32:$in),
1354 (NOR GPR32Opnd:$in, ZERO)>;
1357 let Predicates = [HasStdEnc] in {
1358 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1359 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1360 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1364 let Predicates = [HasStdEnc] in
1365 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1368 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1369 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1370 Instruction SLTiuOp, Register ZEROReg> {
1371 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1372 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1373 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1374 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1376 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1377 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1378 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1379 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1380 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1381 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1382 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1383 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1384 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1385 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1386 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1387 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1389 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1390 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1391 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1392 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1394 def : MipsPat<(brcond RC:$cond, bb:$dst),
1395 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1398 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1400 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1401 (BLEZ i32:$lhs, bb:$dst)>;
1402 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1403 (BGEZ i32:$lhs, bb:$dst)>;
1406 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1407 Instruction SLTuOp, Register ZEROReg> {
1408 def : MipsPat<(seteq RC:$lhs, 0),
1409 (SLTiuOp RC:$lhs, 1)>;
1410 def : MipsPat<(setne RC:$lhs, 0),
1411 (SLTuOp ZEROReg, RC:$lhs)>;
1412 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1413 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1414 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1415 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1418 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1419 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1420 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1421 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1422 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1425 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1426 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1427 (SLTOp RC:$rhs, RC:$lhs)>;
1428 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1429 (SLTuOp RC:$rhs, RC:$lhs)>;
1432 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1433 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1434 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1435 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1436 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1439 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1440 Instruction SLTiuOp> {
1441 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1442 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1443 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1444 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1447 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1448 defm : SetlePats<GPR32, SLT, SLTu>;
1449 defm : SetgtPats<GPR32, SLT, SLTu>;
1450 defm : SetgePats<GPR32, SLT, SLTu>;
1451 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1454 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1456 // Load halfword/word patterns.
1457 let AddedComplexity = 40 in {
1458 let Predicates = [HasStdEnc] in {
1459 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1460 def : LoadRegImmPat<LH, i32, sextloadi16>;
1461 def : LoadRegImmPat<LW, i32, load>;
1465 //===----------------------------------------------------------------------===//
1466 // Floating Point Support
1467 //===----------------------------------------------------------------------===//
1469 include "MipsInstrFPU.td"
1470 include "Mips64InstrInfo.td"
1471 include "MipsCondMov.td"
1476 include "Mips16InstrFormats.td"
1477 include "Mips16InstrInfo.td"
1480 include "MipsDSPInstrFormats.td"
1481 include "MipsDSPInstrInfo.td"
1484 include "MipsMSAInstrFormats.td"
1485 include "MipsMSAInstrInfo.td"
1488 include "MicroMipsInstrFormats.td"
1489 include "MicroMipsInstrInfo.td"
1490 include "MicroMipsInstrFPU.td"