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_ExtractLOHI : SDTypeProfile<1, 2, [SDTCisInt<0>, SDTCisVT<1, untyped>,
28 def SDT_InsertLOHI : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>,
31 def SDT_MipsMultDiv : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>, SDTCisInt<1>,
33 def SDT_MipsMAddMSub : SDTypeProfile<1, 3,
34 [SDTCisVT<0, untyped>, SDTCisSameAs<0, 3>,
35 SDTCisVT<1, i32>, SDTCisSameAs<1, 2>]>;
36 def SDT_MipsDivRem16 : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>]>;
38 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
40 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
42 def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
43 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>]>;
44 def SDT_Ins : SDTypeProfile<1, 4, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
45 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
48 def SDTMipsLoadLR : SDTypeProfile<1, 2,
49 [SDTCisInt<0>, SDTCisPtrTy<1>,
53 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
54 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
58 def MipsTailCall : SDNode<"MipsISD::TailCall", SDT_MipsJmpLink,
59 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
61 // Hi and Lo nodes are used to handle global addresses. Used on
62 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
63 // static model. (nothing to do with Mips Registers Hi and Lo)
64 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
65 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
66 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
68 // TlsGd node is used to handle General Dynamic TLS
69 def MipsTlsGd : SDNode<"MipsISD::TlsGd", SDTIntUnaryOp>;
71 // TprelHi and TprelLo nodes are used to handle Local Exec TLS
72 def MipsTprelHi : SDNode<"MipsISD::TprelHi", SDTIntUnaryOp>;
73 def MipsTprelLo : SDNode<"MipsISD::TprelLo", SDTIntUnaryOp>;
76 def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
79 def MipsRet : SDNode<"MipsISD::Ret", SDTNone,
80 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
82 // These are target-independent nodes, but have target-specific formats.
83 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
84 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
85 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
86 [SDNPHasChain, SDNPSideEffect,
87 SDNPOptInGlue, SDNPOutGlue]>;
89 // Node used to extract integer from LO/HI register.
90 def ExtractLOHI : SDNode<"MipsISD::ExtractLOHI", SDT_ExtractLOHI>;
92 // Node used to insert 32-bit integers to LOHI register pair.
93 def InsertLOHI : SDNode<"MipsISD::InsertLOHI", SDT_InsertLOHI>;
96 def MipsMult : SDNode<"MipsISD::Mult", SDT_MipsMultDiv>;
97 def MipsMultu : SDNode<"MipsISD::Multu", SDT_MipsMultDiv>;
100 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub>;
101 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub>;
102 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub>;
103 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub>;
106 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsMultDiv>;
107 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsMultDiv>;
108 def MipsDivRem16 : SDNode<"MipsISD::DivRem16", SDT_MipsDivRem16,
110 def MipsDivRemU16 : SDNode<"MipsISD::DivRemU16", SDT_MipsDivRem16,
113 // Target constant nodes that are not part of any isel patterns and remain
114 // unchanged can cause instructions with illegal operands to be emitted.
115 // Wrapper node patterns give the instruction selector a chance to replace
116 // target constant nodes that would otherwise remain unchanged with ADDiu
117 // nodes. Without these wrapper node patterns, the following conditional move
118 // instruction is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
120 // movn %got(d)($gp), %got(c)($gp), $4
121 // This instruction is illegal since movn can take only register operands.
123 def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
125 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
127 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
128 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
130 def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
131 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
132 def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
133 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
134 def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
135 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
136 def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
137 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
138 def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
139 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
140 def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
141 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
142 def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
143 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
144 def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
145 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
147 //===----------------------------------------------------------------------===//
148 // Mips Instruction Predicate Definitions.
149 //===----------------------------------------------------------------------===//
150 def HasSEInReg : Predicate<"Subtarget.hasSEInReg()">,
151 AssemblerPredicate<"FeatureSEInReg">;
152 def HasBitCount : Predicate<"Subtarget.hasBitCount()">,
153 AssemblerPredicate<"FeatureBitCount">;
154 def HasSwap : Predicate<"Subtarget.hasSwap()">,
155 AssemblerPredicate<"FeatureSwap">;
156 def HasCondMov : Predicate<"Subtarget.hasCondMov()">,
157 AssemblerPredicate<"FeatureCondMov">;
158 def HasFPIdx : Predicate<"Subtarget.hasFPIdx()">,
159 AssemblerPredicate<"FeatureFPIdx">;
160 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
161 AssemblerPredicate<"FeatureMips32">;
162 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
163 AssemblerPredicate<"FeatureMips32r2">;
164 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
165 AssemblerPredicate<"FeatureMips64">;
166 def NotMips64 : Predicate<"!Subtarget.hasMips64()">,
167 AssemblerPredicate<"!FeatureMips64">;
168 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
169 AssemblerPredicate<"FeatureMips64r2">;
170 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
171 AssemblerPredicate<"FeatureN64">;
172 def NotN64 : Predicate<"!Subtarget.isABI_N64()">,
173 AssemblerPredicate<"!FeatureN64">;
174 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
175 AssemblerPredicate<"FeatureMips16">;
176 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
177 AssemblerPredicate<"FeatureMips32">;
178 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
179 AssemblerPredicate<"FeatureMips32">;
180 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">,
181 AssemblerPredicate<"FeatureMips32">;
182 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
183 AssemblerPredicate<"!FeatureMips16,!FeatureMicroMips">;
184 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
185 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
186 AssemblerPredicate<"FeatureMicroMips">;
187 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
188 AssemblerPredicate<"!FeatureMicroMips">;
189 def IsLE : Predicate<"Subtarget.isLittle()">;
190 def IsBE : Predicate<"!Subtarget.isLittle()">;
192 class MipsPat<dag pattern, dag result> : Pat<pattern, result> {
193 let Predicates = [HasStdEnc];
197 bit isCommutable = 1;
214 bit isTerminator = 1;
217 bit hasExtraSrcRegAllocReq = 1;
218 bit isCodeGenOnly = 1;
221 class IsAsCheapAsAMove {
222 bit isAsCheapAsAMove = 1;
225 class NeverHasSideEffects {
226 bit neverHasSideEffects = 1;
229 //===----------------------------------------------------------------------===//
230 // Instruction format superclass
231 //===----------------------------------------------------------------------===//
233 include "MipsInstrFormats.td"
235 //===----------------------------------------------------------------------===//
236 // Mips Operand, Complex Patterns and Transformations Definitions.
237 //===----------------------------------------------------------------------===//
239 // Instruction operand types
240 def jmptarget : Operand<OtherVT> {
241 let EncoderMethod = "getJumpTargetOpValue";
243 def brtarget : Operand<OtherVT> {
244 let EncoderMethod = "getBranchTargetOpValue";
245 let OperandType = "OPERAND_PCREL";
246 let DecoderMethod = "DecodeBranchTarget";
248 def calltarget : Operand<iPTR> {
249 let EncoderMethod = "getJumpTargetOpValue";
252 def simm16 : Operand<i32> {
253 let DecoderMethod= "DecodeSimm16";
256 def simm20 : Operand<i32> {
259 def uimm20 : Operand<i32> {
262 def uimm10 : Operand<i32> {
265 def simm16_64 : Operand<i64>;
268 def uimm5 : Operand<i32> {
269 let PrintMethod = "printUnsignedImm";
272 def uimm6 : Operand<i32> {
273 let PrintMethod = "printUnsignedImm";
276 def uimm16 : Operand<i32> {
277 let PrintMethod = "printUnsignedImm";
280 def MipsMemAsmOperand : AsmOperandClass {
282 let ParserMethod = "parseMemOperand";
285 def MipsInvertedImmoperand : AsmOperandClass {
287 let RenderMethod = "addImmOperands";
288 let ParserMethod = "parseInvNum";
291 def PtrRegAsmOperand : AsmOperandClass {
293 let ParserMethod = "parsePtrReg";
297 def InvertedImOperand : Operand<i32> {
298 let ParserMatchClass = MipsInvertedImmoperand;
302 def mem : Operand<iPTR> {
303 let PrintMethod = "printMemOperand";
304 let MIOperandInfo = (ops ptr_rc, simm16);
305 let EncoderMethod = "getMemEncoding";
306 let ParserMatchClass = MipsMemAsmOperand;
307 let OperandType = "OPERAND_MEMORY";
310 def mem_ea : Operand<iPTR> {
311 let PrintMethod = "printMemOperandEA";
312 let MIOperandInfo = (ops ptr_rc, simm16);
313 let EncoderMethod = "getMemEncoding";
314 let OperandType = "OPERAND_MEMORY";
317 def PtrRC : Operand<iPTR> {
318 let MIOperandInfo = (ops ptr_rc);
319 let DecoderMethod = "DecodePtrRegisterClass";
320 let ParserMatchClass = PtrRegAsmOperand;
323 // size operand of ext instruction
324 def size_ext : Operand<i32> {
325 let EncoderMethod = "getSizeExtEncoding";
326 let DecoderMethod = "DecodeExtSize";
329 // size operand of ins instruction
330 def size_ins : Operand<i32> {
331 let EncoderMethod = "getSizeInsEncoding";
332 let DecoderMethod = "DecodeInsSize";
335 // Transformation Function - get the lower 16 bits.
336 def LO16 : SDNodeXForm<imm, [{
337 return getImm(N, N->getZExtValue() & 0xFFFF);
340 // Transformation Function - get the higher 16 bits.
341 def HI16 : SDNodeXForm<imm, [{
342 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
346 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
348 // Node immediate fits as 16-bit sign extended on target immediate.
350 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
352 // Node immediate fits as 16-bit sign extended on target immediate.
354 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
356 // Node immediate fits as 15-bit sign extended on target immediate.
358 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
360 // Node immediate fits as 16-bit zero extended on target immediate.
361 // The LO16 param means that only the lower 16 bits of the node
362 // immediate are caught.
364 def immZExt16 : PatLeaf<(imm), [{
365 if (N->getValueType(0) == MVT::i32)
366 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
368 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
371 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
372 def immLow16Zero : PatLeaf<(imm), [{
373 int64_t Val = N->getSExtValue();
374 return isInt<32>(Val) && !(Val & 0xffff);
377 // shamt field must fit in 5 bits.
378 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
380 // True if (N + 1) fits in 16-bit field.
381 def immSExt16Plus1 : PatLeaf<(imm), [{
382 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
385 // Mips Address Mode! SDNode frameindex could possibily be a match
386 // since load and store instructions from stack used it.
388 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
391 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
394 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
397 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
399 //===----------------------------------------------------------------------===//
400 // Instructions specific format
401 //===----------------------------------------------------------------------===//
403 // Arithmetic and logical instructions with 3 register operands.
404 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
405 InstrItinClass Itin = NoItinerary,
406 SDPatternOperator OpNode = null_frag>:
407 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
408 !strconcat(opstr, "\t$rd, $rs, $rt"),
409 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
410 let isCommutable = isComm;
411 let isReMaterializable = 1;
414 // Arithmetic and logical instructions with 2 register operands.
415 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
416 InstrItinClass Itin = NoItinerary,
417 SDPatternOperator imm_type = null_frag,
418 SDPatternOperator OpNode = null_frag> :
419 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
420 !strconcat(opstr, "\t$rt, $rs, $imm16"),
421 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
423 let isReMaterializable = 1;
424 let TwoOperandAliasConstraint = "$rs = $rt";
427 // Arithmetic Multiply ADD/SUB
428 class MArithR<string opstr, bit isComm = 0> :
429 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
430 !strconcat(opstr, "\t$rs, $rt"), [], IIImult, FrmR, opstr> {
431 let Defs = [HI0, LO0];
432 let Uses = [HI0, LO0];
433 let isCommutable = isComm;
437 class LogicNOR<string opstr, RegisterOperand RO>:
438 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
439 !strconcat(opstr, "\t$rd, $rs, $rt"),
440 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], IIArith, FrmR, opstr> {
441 let isCommutable = 1;
445 class shift_rotate_imm<string opstr, Operand ImmOpnd,
446 RegisterOperand RO, SDPatternOperator OpNode = null_frag,
447 SDPatternOperator PF = null_frag> :
448 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
449 !strconcat(opstr, "\t$rd, $rt, $shamt"),
450 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], IIArith, FrmR, opstr>;
452 class shift_rotate_reg<string opstr, RegisterOperand RO,
453 SDPatternOperator OpNode = null_frag>:
454 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
455 !strconcat(opstr, "\t$rd, $rt, $rs"),
456 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], IIArith, FrmR, opstr>;
458 // Load Upper Imediate
459 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
460 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
461 [], IIArith, FrmI, opstr>, IsAsCheapAsAMove {
462 let neverHasSideEffects = 1;
463 let isReMaterializable = 1;
467 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
468 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
469 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
470 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
471 let DecoderMethod = "DecodeMem";
472 let canFoldAsLoad = 1;
476 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
477 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
478 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
479 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
480 let DecoderMethod = "DecodeMem";
484 // Load/Store Left/Right
485 let canFoldAsLoad = 1 in
486 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
487 InstrItinClass Itin> :
488 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
489 !strconcat(opstr, "\t$rt, $addr"),
490 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
491 let DecoderMethod = "DecodeMem";
492 string Constraints = "$src = $rt";
495 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
496 InstrItinClass Itin> :
497 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
498 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
499 let DecoderMethod = "DecodeMem";
502 // Conditional Branch
503 class CBranch<string opstr, PatFrag cond_op, RegisterOperand RO> :
504 InstSE<(outs), (ins RO:$rs, RO:$rt, brtarget:$offset),
505 !strconcat(opstr, "\t$rs, $rt, $offset"),
506 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
509 let isTerminator = 1;
510 let hasDelaySlot = 1;
514 class CBranchZero<string opstr, PatFrag cond_op, RegisterOperand RO> :
515 InstSE<(outs), (ins RO:$rs, brtarget:$offset),
516 !strconcat(opstr, "\t$rs, $offset"),
517 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch, FrmI> {
519 let isTerminator = 1;
520 let hasDelaySlot = 1;
525 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
526 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
527 !strconcat(opstr, "\t$rd, $rs, $rt"),
528 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
531 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
533 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
534 !strconcat(opstr, "\t$rt, $rs, $imm16"),
535 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
539 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
540 SDPatternOperator targetoperator> :
541 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
542 [(operator targetoperator:$target)], IIBranch, FrmJ> {
545 let hasDelaySlot = 1;
546 let DecoderMethod = "DecodeJumpTarget";
550 // Unconditional branch
551 class UncondBranch<Instruction BEQInst> :
552 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
553 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
555 let isTerminator = 1;
557 let hasDelaySlot = 1;
558 let Predicates = [RelocPIC, HasStdEnc];
562 // Base class for indirect branch and return instruction classes.
563 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
564 class JumpFR<RegisterOperand RO, SDPatternOperator operator = null_frag>:
565 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch, FrmR>;
568 class IndirectBranch<RegisterOperand RO>: JumpFR<RO, brind> {
570 let isIndirectBranch = 1;
573 // Return instruction
574 class RetBase<RegisterOperand RO>: JumpFR<RO> {
576 let isCodeGenOnly = 1;
578 let hasExtraSrcRegAllocReq = 1;
581 // Jump and Link (Call)
582 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
583 class JumpLink<string opstr> :
584 InstSE<(outs), (ins calltarget:$target), !strconcat(opstr, "\t$target"),
585 [(MipsJmpLink imm:$target)], IIBranch, FrmJ> {
586 let DecoderMethod = "DecodeJumpTarget";
589 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
590 Register RetReg, RegisterOperand ResRO = RO>:
591 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
592 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
594 class JumpLinkReg<string opstr, RegisterOperand RO>:
595 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
598 class BGEZAL_FT<string opstr, RegisterOperand RO> :
599 InstSE<(outs), (ins RO:$rs, brtarget:$offset),
600 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI>;
604 class BAL_BR_Pseudo<Instruction RealInst> :
605 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
606 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
608 let isTerminator = 1;
610 let hasDelaySlot = 1;
615 class SYS_FT<string opstr> :
616 InstSE<(outs), (ins uimm20:$code_),
617 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI>;
619 class BRK_FT<string opstr> :
620 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
621 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary, FrmOther>;
624 class ER_FT<string opstr> :
625 InstSE<(outs), (ins),
626 opstr, [], NoItinerary, FrmOther>;
629 class DEI_FT<string opstr, RegisterOperand RO> :
630 InstSE<(outs RO:$rt), (ins),
631 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther>;
634 class WAIT_FT<string opstr> :
635 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther> {
636 let Inst{31-26} = 0x10;
639 let Inst{5-0} = 0x20;
643 let hasSideEffects = 1 in
645 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
646 NoItinerary, FrmOther>;
648 let hasSideEffects = 1 in
649 class TEQ_FT<string opstr, RegisterOperand RO> :
650 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
651 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary, FrmI>;
653 class TEQI_FT<string opstr, RegisterOperand RO> :
654 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
655 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther>;
657 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
658 list<Register> DefRegs> :
659 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
661 let isCommutable = 1;
663 let neverHasSideEffects = 1;
666 // Pseudo multiply/divide instruction with explicit accumulator register
668 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
669 SDPatternOperator OpNode, InstrItinClass Itin,
670 bit IsComm = 1, bit HasSideEffects = 0,
671 bit UsesCustomInserter = 0> :
672 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
673 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
674 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
675 let isCommutable = IsComm;
676 let hasSideEffects = HasSideEffects;
677 let usesCustomInserter = UsesCustomInserter;
680 // Pseudo multiply add/sub instruction with explicit accumulator register
682 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode>
683 : PseudoSE<(outs ACC64:$ac),
684 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
686 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
688 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
689 string Constraints = "$acin = $ac";
692 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
693 list<Register> DefRegs> :
694 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
695 [], itin, FrmR, opstr> {
700 class MoveFromLOHI<string opstr, RegisterOperand RO, list<Register> UseRegs>:
701 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], IIHiLo,
704 let neverHasSideEffects = 1;
707 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
708 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], IIHiLo,
711 let neverHasSideEffects = 1;
714 class EffectiveAddress<string opstr, RegisterOperand RO> :
715 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
716 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI> {
717 let isCodeGenOnly = 1;
718 let DecoderMethod = "DecodeMem";
721 // Count Leading Ones/Zeros in Word
722 class CountLeading0<string opstr, RegisterOperand RO>:
723 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
724 [(set RO:$rd, (ctlz RO:$rs))], IIArith, FrmR, opstr>,
725 Requires<[HasBitCount, HasStdEnc]>;
727 class CountLeading1<string opstr, RegisterOperand RO>:
728 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
729 [(set RO:$rd, (ctlz (not RO:$rs)))], IIArith, FrmR, opstr>,
730 Requires<[HasBitCount, HasStdEnc]>;
733 // Sign Extend in Register.
734 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO> :
735 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
736 [(set RO:$rd, (sext_inreg RO:$rt, vt))], IIseb, FrmR, opstr> {
737 let Predicates = [HasSEInReg, HasStdEnc];
741 class SubwordSwap<string opstr, RegisterOperand RO>:
742 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
743 NoItinerary, FrmR, opstr> {
744 let Predicates = [HasSwap, HasStdEnc];
745 let neverHasSideEffects = 1;
749 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
750 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
754 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
755 SDPatternOperator Op = null_frag>:
756 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
757 !strconcat(opstr, " $rt, $rs, $pos, $size"),
758 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
760 let Predicates = [HasMips32r2, HasStdEnc];
763 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
764 SDPatternOperator Op = null_frag>:
765 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
766 !strconcat(opstr, " $rt, $rs, $pos, $size"),
767 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
768 NoItinerary, FrmR, opstr> {
769 let Predicates = [HasMips32r2, HasStdEnc];
770 let Constraints = "$src = $rt";
773 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
774 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
775 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
776 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
778 // Atomic Compare & Swap.
779 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
780 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
781 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
783 class LLBase<string opstr, RegisterOperand RO> :
784 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
785 [], NoItinerary, FrmI> {
786 let DecoderMethod = "DecodeMem";
790 class SCBase<string opstr, RegisterOperand RO> :
791 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
792 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
793 let DecoderMethod = "DecodeMem";
795 let Constraints = "$rt = $dst";
798 class MFC3OP<string asmstr, RegisterOperand RO> :
799 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
800 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
802 class TrapBase<Instruction RealInst>
803 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
804 PseudoInstExpansion<(RealInst 0, 0)> {
806 let isTerminator = 1;
807 let isCodeGenOnly = 1;
810 //===----------------------------------------------------------------------===//
811 // Pseudo instructions
812 //===----------------------------------------------------------------------===//
815 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
816 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
818 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
819 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
820 [(callseq_start timm:$amt)]>;
821 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
822 [(callseq_end timm:$amt1, timm:$amt2)]>;
825 let usesCustomInserter = 1 in {
826 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
827 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
828 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
829 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
830 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
831 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
832 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
833 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
834 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
835 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
836 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
837 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
838 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
839 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
840 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
841 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
842 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
843 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
845 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
846 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
847 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
849 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
850 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
851 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
854 /// Pseudo instructions for loading and storing accumulator registers.
855 let isPseudo = 1, isCodeGenOnly = 1 in {
856 def LOAD_ACC64 : Load<"", ACC64>;
857 def STORE_ACC64 : Store<"", ACC64>;
860 //===----------------------------------------------------------------------===//
861 // Instruction definition
862 //===----------------------------------------------------------------------===//
863 //===----------------------------------------------------------------------===//
864 // MipsI Instructions
865 //===----------------------------------------------------------------------===//
867 /// Arithmetic Instructions (ALU Immediate)
868 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, IIArith, immSExt16,
870 ADDI_FM<0x9>, IsAsCheapAsAMove;
871 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>;
872 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
874 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
876 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, IILogic, immZExt16,
879 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, IILogic, immZExt16,
882 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, IILogic, immZExt16,
885 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
887 /// Arithmetic Instructions (3-Operand, R-Type)
888 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, IIArith, add>,
890 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, IIArith, sub>,
892 let Defs = [HI0, LO0] in
893 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, IIImul, mul>,
895 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
896 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
897 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
898 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
899 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, IILogic, and>,
901 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, IILogic, or>,
903 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, IILogic, xor>,
905 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
907 /// Shift Instructions
908 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, shl, immZExt5>,
910 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, srl, immZExt5>,
912 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, sra, immZExt5>,
914 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, shl>, SRLV_FM<4, 0>;
915 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, srl>, SRLV_FM<6, 0>;
916 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, sra>, SRLV_FM<7, 0>;
918 // Rotate Instructions
919 let Predicates = [HasMips32r2, HasStdEnc] in {
920 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, rotr,
923 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, rotr>,
927 /// Load and Store Instructions
929 def LB : Load<"lb", GPR32Opnd, sextloadi8, IILoad>, MMRel, LW_FM<0x20>;
930 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, IILoad, addrDefault>, MMRel,
932 def LH : Load<"lh", GPR32Opnd, sextloadi16, IILoad, addrDefault>, MMRel,
934 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, IILoad>, MMRel, LW_FM<0x25>;
935 def LW : Load<"lw", GPR32Opnd, load, IILoad, addrDefault>, MMRel,
937 def SB : Store<"sb", GPR32Opnd, truncstorei8, IIStore>, MMRel, LW_FM<0x28>;
938 def SH : Store<"sh", GPR32Opnd, truncstorei16, IIStore>, MMRel, LW_FM<0x29>;
939 def SW : Store<"sw", GPR32Opnd, store, IIStore>, MMRel, LW_FM<0x2b>;
941 /// load/store left/right
942 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, IILoad>, LW_FM<0x22>;
943 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, IILoad>, LW_FM<0x26>;
944 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, IIStore>, LW_FM<0x2a>;
945 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, IIStore>, LW_FM<0x2e>;
947 def SYNC : SYNC_FT, SYNC_FM;
948 def TEQ : TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
949 def TGE : TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
950 def TGEU : TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
951 def TLT : TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
952 def TLTU : TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
953 def TNE : TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
955 def TEQI : TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>;
956 def TGEI : TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>;
957 def TGEIU : TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>;
958 def TLTI : TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>;
959 def TTLTIU : TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>;
960 def TNEI : TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>;
962 def BREAK : BRK_FT<"break">, BRK_FM<0xd>;
963 def SYSCALL : SYS_FT<"syscall">, SYS_FM<0xc>;
964 def TRAP : TrapBase<BREAK>;
966 def ERET : ER_FT<"eret">, ER_FM<0x18>;
967 def DERET : ER_FT<"deret">, ER_FM<0x1f>;
969 def EI : DEI_FT<"ei", GPR32Opnd>, EI_FM<1>;
970 def DI : DEI_FT<"di", GPR32Opnd>, EI_FM<0>;
972 def WAIT : WAIT_FT<"wait">;
974 /// Load-linked, Store-conditional
975 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>;
976 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>;
978 /// Jump and Branch Instructions
979 def J : JumpFJ<jmptarget, "j", br, bb>, FJ<2>,
980 Requires<[RelocStatic, HasStdEnc]>, IsBranch;
981 def JR : IndirectBranch<GPR32Opnd>, MTLO_FM<8>;
982 def BEQ : CBranch<"beq", seteq, GPR32Opnd>, BEQ_FM<4>;
983 def BNE : CBranch<"bne", setne, GPR32Opnd>, BEQ_FM<5>;
984 def BGEZ : CBranchZero<"bgez", setge, GPR32Opnd>, BGEZ_FM<1, 1>;
985 def BGTZ : CBranchZero<"bgtz", setgt, GPR32Opnd>, BGEZ_FM<7, 0>;
986 def BLEZ : CBranchZero<"blez", setle, GPR32Opnd>, BGEZ_FM<6, 0>;
987 def BLTZ : CBranchZero<"bltz", setlt, GPR32Opnd>, BGEZ_FM<1, 0>;
988 def B : UncondBranch<BEQ>;
990 def JAL : JumpLink<"jal">, FJ<3>;
991 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
992 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
993 def BGEZAL : BGEZAL_FT<"bgezal", GPR32Opnd>, BGEZAL_FM<0x11>;
994 def BLTZAL : BGEZAL_FT<"bltzal", GPR32Opnd>, BGEZAL_FM<0x10>;
995 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
996 def TAILCALL : JumpFJ<calltarget, "j", MipsTailCall, imm>, FJ<2>, IsTailCall;
997 def TAILCALL_R : JumpFR<GPR32Opnd, MipsTailCall>, MTLO_FM<8>, IsTailCall;
999 def RET : RetBase<GPR32Opnd>, MTLO_FM<8>;
1001 // Exception handling related node and instructions.
1002 // The conversion sequence is:
1003 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1004 // MIPSeh_return -> (stack change + indirect branch)
1006 // MIPSeh_return takes the place of regular return instruction
1007 // but takes two arguments (V1, V0) which are used for storing
1008 // the offset and return address respectively.
1009 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1011 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1012 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1014 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1015 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1016 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1017 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1019 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1022 /// Multiply and Divide Instructions.
1023 def MULT : MMRel, Mult<"mult", IIImult, GPR32Opnd, [HI0, LO0]>,
1025 def MULTu : MMRel, Mult<"multu", IIImult, GPR32Opnd, [HI0, LO0]>,
1027 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, IIImult>;
1028 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, IIImult>;
1029 def SDIV : Div<"div", IIIdiv, GPR32Opnd, [HI0, LO0]>, MULT_FM<0, 0x1a>;
1030 def UDIV : Div<"divu", IIIdiv, GPR32Opnd, [HI0, LO0]>, MULT_FM<0, 0x1b>;
1031 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, IIIdiv,
1033 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, IIIdiv,
1036 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>;
1037 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>;
1038 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, [HI0]>, MFLO_FM<0x10>;
1039 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, [LO0]>, MFLO_FM<0x12>;
1041 /// Sign Ext In Register Instructions.
1042 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd>, SEB_FM<0x10, 0x20>;
1043 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd>, SEB_FM<0x18, 0x20>;
1046 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>;
1047 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>;
1049 /// Word Swap Bytes Within Halfwords
1050 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>;
1053 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1055 // FrameIndexes are legalized when they are operands from load/store
1056 // instructions. The same not happens for stack address copies, so an
1057 // add op with mem ComplexPattern is used and the stack address copy
1058 // can be matched. It's similar to Sparc LEA_ADDRi
1059 def LEA_ADDiu : EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1062 def MADD : MMRel, MArithR<"madd", 1>, MULT_FM<0x1c, 0>;
1063 def MADDU : MMRel, MArithR<"maddu", 1>, MULT_FM<0x1c, 1>;
1064 def MSUB : MMRel, MArithR<"msub">, MULT_FM<0x1c, 4>;
1065 def MSUBU : MMRel, MArithR<"msubu">, MULT_FM<0x1c, 5>;
1066 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd>;
1067 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu>;
1068 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub>;
1069 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu>;
1071 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1073 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1074 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1076 /// Move Control Registers From/To CPU Registers
1077 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>;
1078 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>;
1079 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1080 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1082 //===----------------------------------------------------------------------===//
1083 // Instruction aliases
1084 //===----------------------------------------------------------------------===//
1085 def : InstAlias<"move $dst, $src",
1086 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1087 Requires<[NotMips64]>;
1088 def : InstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>;
1089 def : InstAlias<"addu $rs, $rt, $imm",
1090 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1091 def : InstAlias<"add $rs, $rt, $imm",
1092 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1093 def : InstAlias<"and $rs, $rt, $imm",
1094 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1095 def : InstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1096 def : InstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1097 def : InstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1098 def : InstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1099 def : InstAlias<"not $rt, $rs",
1100 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1101 def : InstAlias<"neg $rt, $rs",
1102 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1103 def : InstAlias<"negu $rt, $rs",
1104 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1105 def : InstAlias<"slt $rs, $rt, $imm",
1106 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1107 def : InstAlias<"xor $rs, $rt, $imm",
1108 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1109 def : InstAlias<"or $rs, $rt, $imm",
1110 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1111 def : InstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1112 def : InstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1113 def : InstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1114 def : InstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1115 def : InstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1116 def : InstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1117 def : InstAlias<"bnez $rs,$offset",
1118 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1119 def : InstAlias<"beqz $rs,$offset",
1120 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1121 def : InstAlias<"syscall", (SYSCALL 0), 1>;
1123 def : InstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1124 def : InstAlias<"break", (BREAK 0, 0), 1>;
1125 def : InstAlias<"ei", (EI ZERO), 1>;
1126 def : InstAlias<"di", (DI ZERO), 1>;
1128 def : InstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1129 def : InstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1130 def : InstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1131 def : InstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1132 def : InstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1133 def : InstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1134 def : InstAlias<"sub, $rd, $rs, $imm",
1135 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1136 def : InstAlias<"subu, $rd, $rs, $imm",
1137 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs, InvertedImOperand:$imm)>;
1139 //===----------------------------------------------------------------------===//
1140 // Assembler Pseudo Instructions
1141 //===----------------------------------------------------------------------===//
1143 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1144 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1145 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1146 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1148 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1149 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1150 !strconcat(instr_asm, "\t$rt, $addr")> ;
1151 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1153 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1154 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1155 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1156 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1158 //===----------------------------------------------------------------------===//
1159 // Arbitrary patterns that map to one or more instructions
1160 //===----------------------------------------------------------------------===//
1162 // Load/store pattern templates.
1163 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1164 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1166 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1167 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1170 def : MipsPat<(i32 immSExt16:$in),
1171 (ADDiu ZERO, imm:$in)>;
1172 def : MipsPat<(i32 immZExt16:$in),
1173 (ORi ZERO, imm:$in)>;
1174 def : MipsPat<(i32 immLow16Zero:$in),
1175 (LUi (HI16 imm:$in))>;
1177 // Arbitrary immediates
1178 def : MipsPat<(i32 imm:$imm),
1179 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1181 // Carry MipsPatterns
1182 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1183 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1184 let Predicates = [HasStdEnc, NotDSP] in {
1185 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1186 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1187 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1188 (ADDiu GPR32:$src, imm:$imm)>;
1192 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1193 (JAL tglobaladdr:$dst)>;
1194 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1195 (JAL texternalsym:$dst)>;
1196 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1197 // (JALR GPR32:$dst)>;
1200 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1201 (TAILCALL tglobaladdr:$dst)>;
1202 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1203 (TAILCALL texternalsym:$dst)>;
1205 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1206 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1207 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1208 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1209 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1210 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1212 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1213 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1214 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1215 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1216 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1217 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1219 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1220 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1221 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1222 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1223 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1224 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1225 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1226 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1227 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1228 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1231 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1232 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1233 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1234 (ADDiu GPR32:$gp, tconstpool:$in)>;
1237 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1238 MipsPat<(MipsWrapper RC:$gp, node:$in),
1239 (ADDiuOp RC:$gp, node:$in)>;
1241 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1242 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1243 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1244 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1245 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1246 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1248 // Mips does not have "not", so we expand our way
1249 def : MipsPat<(not GPR32:$in),
1250 (NOR GPR32Opnd:$in, ZERO)>;
1253 let Predicates = [HasStdEnc] in {
1254 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1255 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1256 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1260 let Predicates = [HasStdEnc] in
1261 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1264 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1265 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1266 Instruction SLTiuOp, Register ZEROReg> {
1267 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1268 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1269 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1270 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1272 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1273 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1274 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1275 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1276 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1277 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1278 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1279 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1280 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1281 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1282 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1283 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1285 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1286 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1287 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1288 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1290 def : MipsPat<(brcond RC:$cond, bb:$dst),
1291 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1294 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1296 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1297 (BLEZ i32:$lhs, bb:$dst)>;
1298 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1299 (BGEZ i32:$lhs, bb:$dst)>;
1302 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1303 Instruction SLTuOp, Register ZEROReg> {
1304 def : MipsPat<(seteq RC:$lhs, 0),
1305 (SLTiuOp RC:$lhs, 1)>;
1306 def : MipsPat<(setne RC:$lhs, 0),
1307 (SLTuOp ZEROReg, RC:$lhs)>;
1308 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1309 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1310 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1311 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1314 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1315 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1316 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1317 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1318 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1321 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1322 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1323 (SLTOp RC:$rhs, RC:$lhs)>;
1324 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1325 (SLTuOp RC:$rhs, RC:$lhs)>;
1328 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1329 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1330 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1331 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1332 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1335 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1336 Instruction SLTiuOp> {
1337 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1338 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1339 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1340 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1343 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1344 defm : SetlePats<GPR32, SLT, SLTu>;
1345 defm : SetgtPats<GPR32, SLT, SLTu>;
1346 defm : SetgePats<GPR32, SLT, SLTu>;
1347 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1350 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1352 // mflo/hi patterns.
1353 def : MipsPat<(i32 (ExtractLOHI ACC64:$ac, imm:$lohi_idx)),
1354 (EXTRACT_SUBREG ACC64:$ac, imm:$lohi_idx)>;
1356 // Load halfword/word patterns.
1357 let AddedComplexity = 40 in {
1358 let Predicates = [HasStdEnc] in {
1359 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1360 def : LoadRegImmPat<LH, i32, sextloadi16>;
1361 def : LoadRegImmPat<LW, i32, load>;
1365 //===----------------------------------------------------------------------===//
1366 // Floating Point Support
1367 //===----------------------------------------------------------------------===//
1369 include "MipsInstrFPU.td"
1370 include "Mips64InstrInfo.td"
1371 include "MipsCondMov.td"
1376 include "Mips16InstrFormats.td"
1377 include "Mips16InstrInfo.td"
1380 include "MipsDSPInstrFormats.td"
1381 include "MipsDSPInstrInfo.td"
1384 include "MipsMSAInstrFormats.td"
1385 include "MipsMSAInstrInfo.td"
1388 include "MicroMipsInstrFormats.td"
1389 include "MicroMipsInstrInfo.td"