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 def MipsERet : SDNode<"MipsISD::ERet", SDTNone,
81 [SDNPHasChain, SDNPOptInGlue, SDNPSideEffect]>;
83 // These are target-independent nodes, but have target-specific formats.
84 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
85 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
86 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
87 [SDNPHasChain, SDNPSideEffect,
88 SDNPOptInGlue, SDNPOutGlue]>;
90 // Nodes used to extract LO/HI registers.
91 def MipsMFHI : SDNode<"MipsISD::MFHI", SDT_MFLOHI>;
92 def MipsMFLO : SDNode<"MipsISD::MFLO", SDT_MFLOHI>;
94 // Node used to insert 32-bit integers to LOHI register pair.
95 def MipsMTLOHI : SDNode<"MipsISD::MTLOHI", SDT_MTLOHI>;
98 def MipsMult : SDNode<"MipsISD::Mult", SDT_MipsMultDiv>;
99 def MipsMultu : SDNode<"MipsISD::Multu", SDT_MipsMultDiv>;
102 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub>;
103 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub>;
104 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub>;
105 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub>;
108 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsMultDiv>;
109 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsMultDiv>;
110 def MipsDivRem16 : SDNode<"MipsISD::DivRem16", SDT_MipsDivRem16,
112 def MipsDivRemU16 : SDNode<"MipsISD::DivRemU16", SDT_MipsDivRem16,
115 // Target constant nodes that are not part of any isel patterns and remain
116 // unchanged can cause instructions with illegal operands to be emitted.
117 // Wrapper node patterns give the instruction selector a chance to replace
118 // target constant nodes that would otherwise remain unchanged with ADDiu
119 // nodes. Without these wrapper node patterns, the following conditional move
120 // instruction is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
122 // movn %got(d)($gp), %got(c)($gp), $4
123 // This instruction is illegal since movn can take only register operands.
125 def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
127 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
129 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
130 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
132 def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
133 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
134 def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
135 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
136 def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
137 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
138 def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
139 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
140 def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
141 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
142 def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
143 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
144 def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
145 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
146 def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
147 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
149 //===----------------------------------------------------------------------===//
150 // Mips Instruction Predicate Definitions.
151 //===----------------------------------------------------------------------===//
152 def HasMips2 : Predicate<"Subtarget->hasMips2()">,
153 AssemblerPredicate<"FeatureMips2">;
154 def HasMips3_32 : Predicate<"Subtarget->hasMips3_32()">,
155 AssemblerPredicate<"FeatureMips3_32">;
156 def HasMips3_32r2 : Predicate<"Subtarget->hasMips3_32r2()">,
157 AssemblerPredicate<"FeatureMips3_32r2">;
158 def HasMips3 : Predicate<"Subtarget->hasMips3()">,
159 AssemblerPredicate<"FeatureMips3">;
160 def HasMips4_32 : Predicate<"Subtarget->hasMips4_32()">,
161 AssemblerPredicate<"FeatureMips4_32">;
162 def NotMips4_32 : Predicate<"!Subtarget->hasMips4_32()">,
163 AssemblerPredicate<"!FeatureMips4_32">;
164 def HasMips4_32r2 : Predicate<"Subtarget->hasMips4_32r2()">,
165 AssemblerPredicate<"FeatureMips4_32r2">;
166 def HasMips5_32r2 : Predicate<"Subtarget->hasMips5_32r2()">,
167 AssemblerPredicate<"FeatureMips5_32r2">;
168 def HasMips32 : Predicate<"Subtarget->hasMips32()">,
169 AssemblerPredicate<"FeatureMips32">;
170 def HasMips32r2 : Predicate<"Subtarget->hasMips32r2()">,
171 AssemblerPredicate<"FeatureMips32r2">;
172 def HasMips32r5 : Predicate<"Subtarget->hasMips32r5()">,
173 AssemblerPredicate<"FeatureMips32r5">;
174 def HasMips32r6 : Predicate<"Subtarget->hasMips32r6()">,
175 AssemblerPredicate<"FeatureMips32r6">;
176 def NotMips32r6 : Predicate<"!Subtarget->hasMips32r6()">,
177 AssemblerPredicate<"!FeatureMips32r6">;
178 def IsGP64bit : Predicate<"Subtarget->isGP64bit()">,
179 AssemblerPredicate<"FeatureGP64Bit">;
180 def IsGP32bit : Predicate<"!Subtarget->isGP64bit()">,
181 AssemblerPredicate<"!FeatureGP64Bit">;
182 def HasMips64 : Predicate<"Subtarget->hasMips64()">,
183 AssemblerPredicate<"FeatureMips64">;
184 def NotMips64 : Predicate<"!Subtarget->hasMips64()">,
185 AssemblerPredicate<"!FeatureMips64">;
186 def HasMips64r2 : Predicate<"Subtarget->hasMips64r2()">,
187 AssemblerPredicate<"FeatureMips64r2">;
188 def HasMips64r6 : Predicate<"Subtarget->hasMips64r6()">,
189 AssemblerPredicate<"FeatureMips64r6">;
190 def NotMips64r6 : Predicate<"!Subtarget->hasMips64r6()">,
191 AssemblerPredicate<"!FeatureMips64r6">;
192 def HasMicroMips32r6 : Predicate<"Subtarget->inMicroMips32r6Mode()">,
193 AssemblerPredicate<"FeatureMicroMips,FeatureMips32r6">;
194 def HasMicroMips64r6 : Predicate<"Subtarget->inMicroMips64r6Mode()">,
195 AssemblerPredicate<"FeatureMicroMips,FeatureMips64r6">;
196 def InMips16Mode : Predicate<"Subtarget->inMips16Mode()">,
197 AssemblerPredicate<"FeatureMips16">;
198 def HasCnMips : Predicate<"Subtarget->hasCnMips()">,
199 AssemblerPredicate<"FeatureCnMips">;
200 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
201 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">;
202 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
203 def HasStdEnc : Predicate<"Subtarget->hasStandardEncoding()">,
204 AssemblerPredicate<"!FeatureMips16">;
205 def NotDSP : Predicate<"!Subtarget->hasDSP()">;
206 def InMicroMips : Predicate<"Subtarget->inMicroMipsMode()">,
207 AssemblerPredicate<"FeatureMicroMips">;
208 def NotInMicroMips : Predicate<"!Subtarget->inMicroMipsMode()">,
209 AssemblerPredicate<"!FeatureMicroMips">;
210 def IsLE : Predicate<"Subtarget->isLittle()">;
211 def IsBE : Predicate<"!Subtarget->isLittle()">;
212 def IsNotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
213 def UseTCCInDIV : AssemblerPredicate<"FeatureUseTCCInDIV">;
214 def HasEVA : Predicate<"Subtarget->hasEVA()">,
215 AssemblerPredicate<"FeatureEVA,FeatureMips32r2">;
216 def HasMSA : Predicate<"Subtarget->hasMSA()">,
217 AssemblerPredicate<"FeatureMSA">;
220 //===----------------------------------------------------------------------===//
221 // Mips GPR size adjectives.
222 // They are mutually exclusive.
223 //===----------------------------------------------------------------------===//
225 class GPR_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
226 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
228 //===----------------------------------------------------------------------===//
229 // Mips ISA/ASE membership and instruction group membership adjectives.
230 // They are mutually exclusive.
231 //===----------------------------------------------------------------------===//
233 // FIXME: I'd prefer to use additive predicates to build the instruction sets
234 // but we are short on assembler feature bits at the moment. Using a
235 // subtractive predicate will hopefully keep us under the 32 predicate
236 // limit long enough to develop an alternative way to handle P1||P2
238 class ISA_MIPS1_NOT_4_32 {
239 list<Predicate> InsnPredicates = [NotMips4_32];
241 class ISA_MIPS1_NOT_32R6_64R6 {
242 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6];
244 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
245 class ISA_MIPS2_NOT_32R6_64R6 {
246 list<Predicate> InsnPredicates = [HasMips2, NotMips32r6, NotMips64r6];
248 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
249 class ISA_MIPS3_NOT_32R6_64R6 {
250 list<Predicate> InsnPredicates = [HasMips3, NotMips32r6, NotMips64r6];
252 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
253 class ISA_MIPS32_NOT_32R6_64R6 {
254 list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
256 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
257 class ISA_MIPS32R2_NOT_32R6_64R6 {
258 list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
260 class ISA_MIPS32R5 { list<Predicate> InsnPredicates = [HasMips32r5]; }
261 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
262 class ISA_MIPS64_NOT_64R6 {
263 list<Predicate> InsnPredicates = [HasMips64, NotMips64r6];
265 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
266 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
267 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
268 class ISA_MICROMIPS { list<Predicate> InsnPredicates = [InMicroMips]; }
269 class ISA_MICROMIPS32R6 {
270 list<Predicate> InsnPredicates = [HasMicroMips32r6];
272 class ISA_MICROMIPS64R6 {
273 list<Predicate> InsnPredicates = [HasMicroMips64r6];
275 class ISA_MICROMIPS32_NOT_MIPS32R6 {
276 list<Predicate> InsnPredicates = [InMicroMips, NotMips32r6];
279 class INSN_EVA { list<Predicate> InsnPredicates = [HasEVA]; }
280 class INSN_EVA_NOT_32R6_64R6 {
281 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6, HasEVA];
284 // The portions of MIPS-III that were also added to MIPS32
285 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
287 // The portions of MIPS-III that were also added to MIPS32 but were removed in
288 // MIPS32r6 and MIPS64r6.
289 class INSN_MIPS3_32_NOT_32R6_64R6 {
290 list<Predicate> InsnPredicates = [HasMips3_32, NotMips32r6, NotMips64r6];
293 // The portions of MIPS-III that were also added to MIPS32
294 class INSN_MIPS3_32R2 { list<Predicate> InsnPredicates = [HasMips3_32r2]; }
296 // The portions of MIPS-IV that were also added to MIPS32 but were removed in
297 // MIPS32r6 and MIPS64r6.
298 class INSN_MIPS4_32_NOT_32R6_64R6 {
299 list<Predicate> InsnPredicates = [HasMips4_32, NotMips32r6, NotMips64r6];
302 // The portions of MIPS-IV that were also added to MIPS32r2 but were removed in
303 // MIPS32r6 and MIPS64r6.
304 class INSN_MIPS4_32R2_NOT_32R6_64R6 {
305 list<Predicate> InsnPredicates = [HasMips4_32r2, NotMips32r6, NotMips64r6];
308 // The portions of MIPS-V that were also added to MIPS32r2 but were removed in
309 // MIPS32r6 and MIPS64r6.
310 class INSN_MIPS5_32R2_NOT_32R6_64R6 {
311 list<Predicate> InsnPredicates = [HasMips5_32r2, NotMips32r6, NotMips64r6];
315 list<Predicate> InsnPredicates = [HasMSA];
318 class ASE_MSA_NOT_MSA64 {
319 list<Predicate> InsnPredicates = [HasMSA, NotMips64];
323 list<Predicate> InsnPredicates = [HasMSA, HasMips64];
326 // Class used for separating microMIPSr6 and microMIPS (r3) instruction.
327 // It can be used only on instructions that doesn't inherit PredicateControl.
328 class ISA_MICROMIPS_NOT_32R6_64R6 : PredicateControl {
329 let InsnPredicates = [InMicroMips, NotMips32r6, NotMips64r6];
332 //===----------------------------------------------------------------------===//
334 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
335 let EncodingPredicates = [HasStdEnc];
338 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
339 InstAlias<Asm, Result, Emit>, PredicateControl;
342 bit isCommutable = 1;
359 bit isTerminator = 1;
362 bit hasExtraSrcRegAllocReq = 1;
363 bit isCodeGenOnly = 1;
366 class IsAsCheapAsAMove {
367 bit isAsCheapAsAMove = 1;
370 class NeverHasSideEffects {
371 bit hasSideEffects = 0;
374 //===----------------------------------------------------------------------===//
375 // Instruction format superclass
376 //===----------------------------------------------------------------------===//
378 include "MipsInstrFormats.td"
380 //===----------------------------------------------------------------------===//
381 // Mips Operand, Complex Patterns and Transformations Definitions.
382 //===----------------------------------------------------------------------===//
384 class ConstantUImmAsmOperandClass<int Bits, list<AsmOperandClass> Supers = [],
385 int Offset = 0> : AsmOperandClass {
386 let Name = "ConstantUImm" # Bits # "_" # Offset;
387 let RenderMethod = "addConstantUImmOperands<" # Bits # ", " # Offset # ">";
388 let PredicateMethod = "isConstantUImm<" # Bits # ", " # Offset # ">";
389 let SuperClasses = Supers;
390 let DiagnosticType = "UImm" # Bits # "_" # Offset;
393 def ConstantUImm2Plus1AsmOperandClass
394 : ConstantUImmAsmOperandClass<2, [], 1>;
395 def ConstantUImm2AsmOperandClass
396 : ConstantUImmAsmOperandClass<2>;
397 def ConstantImmzAsmOperandClass : AsmOperandClass {
398 let Name = "ConstantImmz";
399 let RenderMethod = "addConstantUImmOperands<1>";
400 let PredicateMethod = "isConstantImmz";
401 let SuperClasses = [ConstantUImm2AsmOperandClass];
402 let DiagnosticType = "Immz";
405 def MipsJumpTargetAsmOperand : AsmOperandClass {
406 let Name = "JumpTarget";
407 let ParserMethod = "parseJumpTarget";
408 let PredicateMethod = "isImm";
409 let RenderMethod = "addImmOperands";
412 // Instruction operand types
413 def jmptarget : Operand<OtherVT> {
414 let EncoderMethod = "getJumpTargetOpValue";
415 let ParserMatchClass = MipsJumpTargetAsmOperand;
417 def brtarget : Operand<OtherVT> {
418 let EncoderMethod = "getBranchTargetOpValue";
419 let OperandType = "OPERAND_PCREL";
420 let DecoderMethod = "DecodeBranchTarget";
421 let ParserMatchClass = MipsJumpTargetAsmOperand;
423 def calltarget : Operand<iPTR> {
424 let EncoderMethod = "getJumpTargetOpValue";
425 let ParserMatchClass = MipsJumpTargetAsmOperand;
428 def imm64: Operand<i64>;
430 def simm9 : Operand<i32>;
431 def simm10 : Operand<i32>;
432 def simm11 : Operand<i32>;
434 def simm16 : Operand<i32> {
435 let DecoderMethod= "DecodeSimm16";
438 def simm19_lsl2 : Operand<i32> {
439 let EncoderMethod = "getSimm19Lsl2Encoding";
440 let DecoderMethod = "DecodeSimm19Lsl2";
441 let ParserMatchClass = MipsJumpTargetAsmOperand;
444 def simm18_lsl3 : Operand<i32> {
445 let EncoderMethod = "getSimm18Lsl3Encoding";
446 let DecoderMethod = "DecodeSimm18Lsl3";
447 let ParserMatchClass = MipsJumpTargetAsmOperand;
450 def simm20 : Operand<i32> {
453 def uimm20 : Operand<i32> {
456 def MipsUImm10AsmOperand : AsmOperandClass {
458 let RenderMethod = "addImmOperands";
459 let ParserMethod = "parseImm";
460 let PredicateMethod = "isUImm<10>";
463 def uimm10 : Operand<i32> {
464 let ParserMatchClass = MipsUImm10AsmOperand;
467 def simm16_64 : Operand<i64> {
468 let DecoderMethod = "DecodeSimm16";
472 def uimmz : Operand<i32> {
473 let PrintMethod = "printUnsignedImm";
474 let ParserMatchClass = ConstantImmzAsmOperandClass;
479 def uimm # I : Operand<i32> {
480 let PrintMethod = "printUnsignedImm";
481 let ParserMatchClass =
482 !cast<AsmOperandClass>("ConstantUImm" # I # "AsmOperandClass");
485 def uimm2_plus1 : Operand<i32> {
486 let PrintMethod = "printUnsignedImm";
487 let EncoderMethod = "getUImmWithOffsetEncoding<2, 1>";
488 let DecoderMethod = "DecodeUImmWithOffset<2, 1>";
489 let ParserMatchClass = ConstantUImm2Plus1AsmOperandClass;
492 def uimm3 : Operand<i32> {
493 let PrintMethod = "printUnsignedImm";
496 def uimm5 : Operand<i32> {
497 let PrintMethod = "printUnsignedImm";
500 def uimm6 : Operand<i32> {
501 let PrintMethod = "printUnsignedImm";
504 def uimm16 : Operand<i32> {
505 let PrintMethod = "printUnsignedImm";
508 def pcrel16 : Operand<i32> {
511 def MipsMemAsmOperand : AsmOperandClass {
513 let ParserMethod = "parseMemOperand";
516 def MipsMemSimm9AsmOperand : AsmOperandClass {
517 let Name = "MemOffsetSimm9";
518 let SuperClasses = [MipsMemAsmOperand];
519 let RenderMethod = "addMemOperands";
520 let ParserMethod = "parseMemOperand";
521 let PredicateMethod = "isMemWithSimmOffset<9>";
524 def MipsMemSimm9GPRAsmOperand : AsmOperandClass {
525 let Name = "MemOffsetSimm9GPR";
526 let SuperClasses = [MipsMemAsmOperand];
527 let RenderMethod = "addMemOperands";
528 let ParserMethod = "parseMemOperand";
529 let PredicateMethod = "isMemWithSimmOffsetGPR<9>";
532 def MipsMemSimm11AsmOperand : AsmOperandClass {
533 let Name = "MemOffsetSimm11";
534 let SuperClasses = [MipsMemAsmOperand];
535 let RenderMethod = "addMemOperands";
536 let ParserMethod = "parseMemOperand";
537 let PredicateMethod = "isMemWithSimmOffset<11>";
540 def MipsMemSimm16AsmOperand : AsmOperandClass {
541 let Name = "MemOffsetSimm16";
542 let SuperClasses = [MipsMemAsmOperand];
543 let RenderMethod = "addMemOperands";
544 let ParserMethod = "parseMemOperand";
545 let PredicateMethod = "isMemWithSimmOffset<16>";
548 def MipsInvertedImmoperand : AsmOperandClass {
550 let RenderMethod = "addImmOperands";
551 let ParserMethod = "parseInvNum";
554 def InvertedImOperand : Operand<i32> {
555 let ParserMatchClass = MipsInvertedImmoperand;
558 def InvertedImOperand64 : Operand<i64> {
559 let ParserMatchClass = MipsInvertedImmoperand;
562 class mem_generic : Operand<iPTR> {
563 let PrintMethod = "printMemOperand";
564 let MIOperandInfo = (ops ptr_rc, simm16);
565 let EncoderMethod = "getMemEncoding";
566 let ParserMatchClass = MipsMemAsmOperand;
567 let OperandType = "OPERAND_MEMORY";
571 def mem : mem_generic;
573 // MSA specific address operand
574 def mem_msa : mem_generic {
575 let MIOperandInfo = (ops ptr_rc, simm10);
576 let EncoderMethod = "getMSAMemEncoding";
579 def mem_simm9 : mem_generic {
580 let MIOperandInfo = (ops ptr_rc, simm9);
581 let EncoderMethod = "getMemEncoding";
582 let ParserMatchClass = MipsMemSimm9AsmOperand;
585 def mem_simm9gpr : mem_generic {
586 let MIOperandInfo = (ops ptr_rc, simm9);
587 let EncoderMethod = "getMemEncoding";
588 let ParserMatchClass = MipsMemSimm9GPRAsmOperand;
591 def mem_simm11 : mem_generic {
592 let MIOperandInfo = (ops ptr_rc, simm11);
593 let EncoderMethod = "getMemEncoding";
594 let ParserMatchClass = MipsMemSimm11AsmOperand;
597 def mem_simm16 : mem_generic {
598 let MIOperandInfo = (ops ptr_rc, simm16);
599 let EncoderMethod = "getMemEncoding";
600 let ParserMatchClass = MipsMemSimm16AsmOperand;
603 def mem_ea : Operand<iPTR> {
604 let PrintMethod = "printMemOperandEA";
605 let MIOperandInfo = (ops ptr_rc, simm16);
606 let EncoderMethod = "getMemEncoding";
607 let OperandType = "OPERAND_MEMORY";
610 def PtrRC : Operand<iPTR> {
611 let MIOperandInfo = (ops ptr_rc);
612 let DecoderMethod = "DecodePtrRegisterClass";
613 let ParserMatchClass = GPR32AsmOperand;
616 // size operand of ext instruction
617 def size_ext : Operand<i32> {
618 let EncoderMethod = "getSizeExtEncoding";
619 let DecoderMethod = "DecodeExtSize";
622 // size operand of ins instruction
623 def size_ins : Operand<i32> {
624 let EncoderMethod = "getSizeInsEncoding";
625 let DecoderMethod = "DecodeInsSize";
628 // Transformation Function - get the lower 16 bits.
629 def LO16 : SDNodeXForm<imm, [{
630 return getImm(N, N->getZExtValue() & 0xFFFF);
633 // Transformation Function - get the higher 16 bits.
634 def HI16 : SDNodeXForm<imm, [{
635 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
639 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
641 // Node immediate is zero (e.g. insve.d)
642 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
644 // Node immediate fits as 16-bit sign extended on target immediate.
646 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
648 // Node immediate fits as 16-bit sign extended on target immediate.
650 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
652 // Node immediate fits as 15-bit sign extended on target immediate.
654 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
656 // Node immediate fits as 16-bit zero extended on target immediate.
657 // The LO16 param means that only the lower 16 bits of the node
658 // immediate are caught.
660 def immZExt16 : PatLeaf<(imm), [{
661 if (N->getValueType(0) == MVT::i32)
662 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
664 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
667 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
668 def immLow16Zero : PatLeaf<(imm), [{
669 int64_t Val = N->getSExtValue();
670 return isInt<32>(Val) && !(Val & 0xffff);
673 // shamt field must fit in 5 bits.
674 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
676 // True if (N + 1) fits in 16-bit field.
677 def immSExt16Plus1 : PatLeaf<(imm), [{
678 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
681 // Mips Address Mode! SDNode frameindex could possibily be a match
682 // since load and store instructions from stack used it.
684 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
687 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
690 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
693 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
695 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
697 //===----------------------------------------------------------------------===//
698 // Instructions specific format
699 //===----------------------------------------------------------------------===//
701 // Arithmetic and logical instructions with 3 register operands.
702 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
703 InstrItinClass Itin = NoItinerary,
704 SDPatternOperator OpNode = null_frag>:
705 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
706 !strconcat(opstr, "\t$rd, $rs, $rt"),
707 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
708 let isCommutable = isComm;
709 let isReMaterializable = 1;
710 let TwoOperandAliasConstraint = "$rd = $rs";
713 // Arithmetic and logical instructions with 2 register operands.
714 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
715 InstrItinClass Itin = NoItinerary,
716 SDPatternOperator imm_type = null_frag,
717 SDPatternOperator OpNode = null_frag> :
718 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
719 !strconcat(opstr, "\t$rt, $rs, $imm16"),
720 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
722 let isReMaterializable = 1;
723 let TwoOperandAliasConstraint = "$rs = $rt";
726 // Arithmetic Multiply ADD/SUB
727 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
728 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
729 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
730 let Defs = [HI0, LO0];
731 let Uses = [HI0, LO0];
732 let isCommutable = isComm;
736 class LogicNOR<string opstr, RegisterOperand RO>:
737 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
738 !strconcat(opstr, "\t$rd, $rs, $rt"),
739 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
740 let isCommutable = 1;
744 class shift_rotate_imm<string opstr, Operand ImmOpnd,
745 RegisterOperand RO, InstrItinClass itin,
746 SDPatternOperator OpNode = null_frag,
747 SDPatternOperator PF = null_frag> :
748 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
749 !strconcat(opstr, "\t$rd, $rt, $shamt"),
750 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
751 let TwoOperandAliasConstraint = "$rt = $rd";
754 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
755 SDPatternOperator OpNode = null_frag>:
756 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
757 !strconcat(opstr, "\t$rd, $rt, $rs"),
758 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
761 // Load Upper Immediate
762 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
763 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
764 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
765 let hasSideEffects = 0;
766 let isReMaterializable = 1;
770 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
771 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
772 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
773 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
774 let DecoderMethod = "DecodeMem";
775 let canFoldAsLoad = 1;
779 class StoreMemory<string opstr, DAGOperand RO, DAGOperand MO,
780 SDPatternOperator OpNode = null_frag,
781 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
782 InstSE<(outs), (ins RO:$rt, MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
783 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
784 let DecoderMethod = "DecodeMem";
788 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
789 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
790 StoreMemory<opstr, RO, mem, OpNode, Itin, Addr>;
792 // Load/Store Left/Right
793 let canFoldAsLoad = 1 in
794 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
795 InstrItinClass Itin> :
796 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
797 !strconcat(opstr, "\t$rt, $addr"),
798 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
799 let DecoderMethod = "DecodeMem";
800 string Constraints = "$src = $rt";
803 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
804 InstrItinClass Itin> :
805 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
806 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
807 let DecoderMethod = "DecodeMem";
811 class LW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
812 SDPatternOperator OpNode= null_frag> :
813 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
814 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
815 let DecoderMethod = "DecodeFMem2";
819 class SW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
820 SDPatternOperator OpNode= null_frag> :
821 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
822 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
823 let DecoderMethod = "DecodeFMem2";
828 class LW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
829 SDPatternOperator OpNode= null_frag> :
830 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
831 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
832 let DecoderMethod = "DecodeFMem3";
836 class SW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
837 SDPatternOperator OpNode= null_frag> :
838 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
839 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
840 let DecoderMethod = "DecodeFMem3";
844 // Conditional Branch
845 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
846 RegisterOperand RO, bit DelaySlot = 1> :
847 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
848 !strconcat(opstr, "\t$rs, $rt, $offset"),
849 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], II_BCC,
852 let isTerminator = 1;
853 let hasDelaySlot = DelaySlot;
857 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
858 RegisterOperand RO, bit DelaySlot = 1> :
859 InstSE<(outs), (ins RO:$rs, opnd:$offset),
860 !strconcat(opstr, "\t$rs, $offset"),
861 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], II_BCCZ,
864 let isTerminator = 1;
865 let hasDelaySlot = DelaySlot;
870 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
871 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
872 !strconcat(opstr, "\t$rd, $rs, $rt"),
873 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
874 II_SLT_SLTU, FrmR, opstr>;
876 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
878 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
879 !strconcat(opstr, "\t$rt, $rs, $imm16"),
880 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
881 II_SLTI_SLTIU, FrmI, opstr>;
884 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
885 SDPatternOperator targetoperator, string bopstr> :
886 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
887 [(operator targetoperator:$target)], II_J, FrmJ, bopstr> {
890 let hasDelaySlot = 1;
891 let DecoderMethod = "DecodeJumpTarget";
895 // Unconditional branch
896 class UncondBranch<Instruction BEQInst> :
897 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], II_B>,
898 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
900 let isTerminator = 1;
902 let hasDelaySlot = 1;
903 let AdditionalPredicates = [RelocPIC];
907 // Base class for indirect branch and return instruction classes.
908 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
909 class JumpFR<string opstr, RegisterOperand RO,
910 SDPatternOperator operator = null_frag>:
911 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], II_JR,
915 class IndirectBranch<string opstr, RegisterOperand RO> : JumpFR<opstr, RO> {
917 let isIndirectBranch = 1;
920 // Jump and Link (Call)
921 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
922 class JumpLink<string opstr, DAGOperand opnd> :
923 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
924 [(MipsJmpLink imm:$target)], II_JAL, FrmJ, opstr> {
925 let DecoderMethod = "DecodeJumpTarget";
928 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
929 Register RetReg, RegisterOperand ResRO = RO>:
930 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], II_JALR>,
931 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
933 class JumpLinkReg<string opstr, RegisterOperand RO>:
934 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
935 [], II_JALR, FrmR, opstr>;
937 class BGEZAL_FT<string opstr, DAGOperand opnd,
938 RegisterOperand RO, bit DelaySlot = 1> :
939 InstSE<(outs), (ins RO:$rs, opnd:$offset),
940 !strconcat(opstr, "\t$rs, $offset"), [], II_BCCZAL, FrmI, opstr> {
941 let hasDelaySlot = DelaySlot;
946 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
947 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
948 class TailCall<Instruction JumpInst> :
949 PseudoSE<(outs), (ins calltarget:$target), [], II_J>,
950 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
952 class TailCallReg<RegisterOperand RO, Instruction JRInst,
953 RegisterOperand ResRO = RO> :
954 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], II_JR>,
955 PseudoInstExpansion<(JRInst ResRO:$rs)>;
958 class BAL_BR_Pseudo<Instruction RealInst> :
959 PseudoSE<(outs), (ins brtarget:$offset), [], II_BCCZAL>,
960 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
962 let isTerminator = 1;
964 let hasDelaySlot = 1;
969 class SYS_FT<string opstr> :
970 InstSE<(outs), (ins uimm20:$code_),
971 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
973 class BRK_FT<string opstr> :
974 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
975 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
979 class ER_FT<string opstr> :
980 InstSE<(outs), (ins),
981 opstr, [], NoItinerary, FrmOther, opstr>;
984 class DEI_FT<string opstr, RegisterOperand RO> :
985 InstSE<(outs RO:$rt), (ins),
986 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
989 class WAIT_FT<string opstr> :
990 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
993 let hasSideEffects = 1 in
994 class SYNC_FT<string opstr> :
995 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
996 NoItinerary, FrmOther, opstr>;
998 class SYNCI_FT<string opstr> :
999 InstSE<(outs), (ins mem_simm16:$addr), !strconcat(opstr, "\t$addr"), [],
1000 NoItinerary, FrmOther, opstr> {
1001 let hasSideEffects = 1;
1002 let DecoderMethod = "DecodeSyncI";
1005 let hasSideEffects = 1 in
1006 class TEQ_FT<string opstr, RegisterOperand RO> :
1007 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
1008 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
1011 class TEQI_FT<string opstr, RegisterOperand RO> :
1012 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
1013 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
1015 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
1016 list<Register> DefRegs> :
1017 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
1018 itin, FrmR, opstr> {
1019 let isCommutable = 1;
1021 let hasSideEffects = 0;
1024 // Pseudo multiply/divide instruction with explicit accumulator register
1026 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
1027 SDPatternOperator OpNode, InstrItinClass Itin,
1028 bit IsComm = 1, bit HasSideEffects = 0,
1029 bit UsesCustomInserter = 0> :
1030 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
1031 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
1032 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
1033 let isCommutable = IsComm;
1034 let hasSideEffects = HasSideEffects;
1035 let usesCustomInserter = UsesCustomInserter;
1038 // Pseudo multiply add/sub instruction with explicit accumulator register
1040 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
1041 InstrItinClass itin>
1042 : PseudoSE<(outs ACC64:$ac),
1043 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
1045 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
1047 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
1048 string Constraints = "$acin = $ac";
1051 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
1052 list<Register> DefRegs> :
1053 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
1054 [], itin, FrmR, opstr> {
1059 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
1060 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
1061 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
1063 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
1064 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
1066 let Uses = [UseReg];
1067 let hasSideEffects = 0;
1070 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
1071 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
1072 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
1075 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
1076 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
1079 let hasSideEffects = 0;
1082 class EffectiveAddress<string opstr, RegisterOperand RO> :
1083 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
1084 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
1085 !strconcat(opstr, "_lea")> {
1086 let isCodeGenOnly = 1;
1087 let DecoderMethod = "DecodeMem";
1090 // Count Leading Ones/Zeros in Word
1091 class CountLeading0<string opstr, RegisterOperand RO>:
1092 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1093 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
1095 class CountLeading1<string opstr, RegisterOperand RO>:
1096 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1097 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
1099 // Sign Extend in Register.
1100 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
1101 InstrItinClass itin> :
1102 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
1103 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
1106 class SubwordSwap<string opstr, RegisterOperand RO,
1107 InstrItinClass itin = NoItinerary>:
1108 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [], itin,
1110 let hasSideEffects = 0;
1114 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
1115 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
1116 II_RDHWR, FrmR, "rdhwr">;
1119 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1120 SDPatternOperator Op = null_frag>:
1121 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
1122 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1123 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], II_EXT,
1124 FrmR, opstr>, ISA_MIPS32R2;
1126 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1127 SDPatternOperator Op = null_frag>:
1128 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
1129 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1130 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
1131 II_INS, FrmR, opstr>, ISA_MIPS32R2 {
1132 let Constraints = "$src = $rt";
1135 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
1136 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
1137 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
1138 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
1140 // Atomic Compare & Swap.
1141 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
1142 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
1143 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
1145 class LLBase<string opstr, RegisterOperand RO> :
1146 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
1147 [], NoItinerary, FrmI> {
1148 let DecoderMethod = "DecodeMem";
1152 class SCBase<string opstr, RegisterOperand RO> :
1153 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
1154 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
1155 let DecoderMethod = "DecodeMem";
1157 let Constraints = "$rt = $dst";
1160 class MFC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1161 InstSE<(outs RO:$rt), (ins RD:$rd, uimm16:$sel),
1162 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1164 class MTC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1165 InstSE<(outs RO:$rd), (ins RD:$rt, uimm16:$sel),
1166 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1168 class TrapBase<Instruction RealInst>
1169 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
1170 PseudoInstExpansion<(RealInst 0, 0)> {
1172 let isTerminator = 1;
1173 let isCodeGenOnly = 1;
1176 //===----------------------------------------------------------------------===//
1177 // Pseudo instructions
1178 //===----------------------------------------------------------------------===//
1181 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
1182 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
1184 let isReturn=1, isTerminator=1, isBarrier=1, hasCtrlDep=1, hasSideEffects=1 in
1185 def ERet : PseudoSE<(outs), (ins), [(MipsERet)]>;
1187 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1188 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
1189 [(callseq_start timm:$amt)]>;
1190 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
1191 [(callseq_end timm:$amt1, timm:$amt2)]>;
1194 let usesCustomInserter = 1 in {
1195 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
1196 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
1197 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
1198 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
1199 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
1200 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
1201 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
1202 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
1203 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
1204 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
1205 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
1206 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
1207 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
1208 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
1209 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
1210 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
1211 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
1212 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
1214 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
1215 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
1216 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
1218 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
1219 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1220 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1223 /// Pseudo instructions for loading and storing accumulator registers.
1224 let isPseudo = 1, isCodeGenOnly = 1 in {
1225 def LOAD_ACC64 : Load<"", ACC64>;
1226 def STORE_ACC64 : Store<"", ACC64>;
1229 // We need these two pseudo instructions to avoid offset calculation for long
1230 // branches. See the comment in file MipsLongBranch.cpp for detailed
1233 // Expands to: lui $dst, %hi($tgt - $baltgt)
1234 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1235 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1237 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1238 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1239 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1241 //===----------------------------------------------------------------------===//
1242 // Instruction definition
1243 //===----------------------------------------------------------------------===//
1244 //===----------------------------------------------------------------------===//
1245 // MipsI Instructions
1246 //===----------------------------------------------------------------------===//
1248 /// Arithmetic Instructions (ALU Immediate)
1249 let AdditionalPredicates = [NotInMicroMips] in {
1250 def ADDiu : MMRel, StdMMR6Rel, ArithLogicI<"addiu", simm16, GPR32Opnd,
1251 II_ADDIU, immSExt16, add>,
1252 ADDI_FM<0x9>, IsAsCheapAsAMove;
1254 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1255 ISA_MIPS1_NOT_32R6_64R6;
1256 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1258 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1260 let AdditionalPredicates = [NotInMicroMips] in {
1261 def ANDi : MMRel, StdMMR6Rel,
1262 ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16, and>,
1265 def ORi : MMRel, StdMMR6Rel,
1266 ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16, or>,
1268 def XORi : MMRel, StdMMR6Rel,
1269 ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16, xor>,
1271 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1272 let AdditionalPredicates = [NotInMicroMips] in {
1273 /// Arithmetic Instructions (3-Operand, R-Type)
1274 def ADDu : MMRel, StdMMR6Rel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1276 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1279 let Defs = [HI0, LO0] in
1280 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1281 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1282 def ADD : MMRel, StdMMR6Rel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1283 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1284 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1285 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1286 let AdditionalPredicates = [NotInMicroMips] in {
1287 def AND : MMRel, StdMMR6Rel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1289 def OR : MMRel, StdMMR6Rel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1291 def XOR : MMRel, StdMMR6Rel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1294 def NOR : MMRel, StdMMR6Rel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1296 /// Shift Instructions
1297 let AdditionalPredicates = [NotInMicroMips] in {
1298 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1299 immZExt5>, SRA_FM<0, 0>;
1300 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1301 immZExt5>, SRA_FM<2, 0>;
1303 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1304 immZExt5>, SRA_FM<3, 0>;
1305 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1307 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1309 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1312 // Rotate Instructions
1313 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1315 SRA_FM<2, 1>, ISA_MIPS32R2;
1316 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1317 SRLV_FM<6, 1>, ISA_MIPS32R2;
1319 /// Load and Store Instructions
1321 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1322 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1324 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1326 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1327 let AdditionalPredicates = [NotInMicroMips] in {
1328 def LW : StdMMR6Rel, Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1331 def SB : StdMMR6Rel, Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel,
1333 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1334 let AdditionalPredicates = [NotInMicroMips] in {
1335 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1338 /// load/store left/right
1339 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1340 AdditionalPredicates = [NotInMicroMips] in {
1341 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1342 ISA_MIPS1_NOT_32R6_64R6;
1343 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1344 ISA_MIPS1_NOT_32R6_64R6;
1345 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1346 ISA_MIPS1_NOT_32R6_64R6;
1347 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1348 ISA_MIPS1_NOT_32R6_64R6;
1351 let AdditionalPredicates = [NotInMicroMips] in {
1352 // COP2 Memory Instructions
1353 def LWC2 : LW_FT2<"lwc2", COP2Opnd, NoItinerary, load>, LW_FM<0x32>,
1354 ISA_MIPS1_NOT_32R6_64R6;
1355 def SWC2 : SW_FT2<"swc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3a>,
1356 ISA_MIPS1_NOT_32R6_64R6;
1357 def LDC2 : LW_FT2<"ldc2", COP2Opnd, NoItinerary, load>, LW_FM<0x36>,
1358 ISA_MIPS2_NOT_32R6_64R6;
1359 def SDC2 : SW_FT2<"sdc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3e>,
1360 ISA_MIPS2_NOT_32R6_64R6;
1362 // COP3 Memory Instructions
1363 let DecoderNamespace = "COP3_" in {
1364 def LWC3 : LW_FT3<"lwc3", COP3Opnd, NoItinerary, load>, LW_FM<0x33>;
1365 def SWC3 : SW_FT3<"swc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3b>;
1366 def LDC3 : LW_FT3<"ldc3", COP3Opnd, NoItinerary, load>, LW_FM<0x37>,
1368 def SDC3 : SW_FT3<"sdc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3f>,
1373 def SYNC : MMRel, StdMMR6Rel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
1374 def SYNCI : MMRel, StdMMR6Rel, SYNCI_FT<"synci">, SYNCI_FM, ISA_MIPS32R2;
1376 let AdditionalPredicates = [NotInMicroMips] in {
1377 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>, ISA_MIPS2;
1378 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>, ISA_MIPS2;
1379 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>, ISA_MIPS2;
1380 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>, ISA_MIPS2;
1381 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>, ISA_MIPS2;
1382 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>, ISA_MIPS2;
1385 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1386 ISA_MIPS2_NOT_32R6_64R6;
1387 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1388 ISA_MIPS2_NOT_32R6_64R6;
1389 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1390 ISA_MIPS2_NOT_32R6_64R6;
1391 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1392 ISA_MIPS2_NOT_32R6_64R6;
1393 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1394 ISA_MIPS2_NOT_32R6_64R6;
1395 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1396 ISA_MIPS2_NOT_32R6_64R6;
1398 let AdditionalPredicates = [NotInMicroMips] in {
1399 def BREAK : MMRel, StdMMR6Rel, BRK_FT<"break">, BRK_FM<0xd>;
1401 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1402 def TRAP : TrapBase<BREAK>;
1403 def SDBBP : MMRel, SYS_FT<"sdbbp">, SDBBP_FM, ISA_MIPS32_NOT_32R6_64R6;
1405 let AdditionalPredicates = [NotInMicroMips] in {
1406 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18, 0x0>, INSN_MIPS3_32;
1407 def ERETNC : MMRel, ER_FT<"eretnc">, ER_FM<0x18, 0x1>, ISA_MIPS32R5;
1409 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f, 0x0>, ISA_MIPS32;
1411 let AdditionalPredicates = [NotInMicroMips] in {
1412 def EI : MMRel, StdMMR6Rel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1414 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1416 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1417 AdditionalPredicates = [NotInMicroMips] in {
1418 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1420 /// Load-linked, Store-conditional
1421 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2_NOT_32R6_64R6;
1422 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2_NOT_32R6_64R6;
1425 /// Jump and Branch Instructions
1426 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1427 AdditionalRequires<[RelocStatic]>, IsBranch;
1428 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1429 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1430 def BEQL : MMRel, CBranch<"beql", brtarget, seteq, GPR32Opnd, 0>,
1431 BEQ_FM<20>, ISA_MIPS2_NOT_32R6_64R6;
1432 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1433 def BNEL : MMRel, CBranch<"bnel", brtarget, setne, GPR32Opnd, 0>,
1434 BEQ_FM<21>, ISA_MIPS2_NOT_32R6_64R6;
1435 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1437 def BGEZL : MMRel, CBranchZero<"bgezl", brtarget, setge, GPR32Opnd, 0>,
1438 BGEZ_FM<1, 3>, ISA_MIPS2_NOT_32R6_64R6;
1439 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1441 def BGTZL : MMRel, CBranchZero<"bgtzl", brtarget, setgt, GPR32Opnd, 0>,
1442 BGEZ_FM<23, 0>, ISA_MIPS2_NOT_32R6_64R6;
1443 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1445 def BLEZL : MMRel, CBranchZero<"blezl", brtarget, setle, GPR32Opnd, 0>,
1446 BGEZ_FM<22, 0>, ISA_MIPS2_NOT_32R6_64R6;
1447 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1449 def BLTZL : MMRel, CBranchZero<"bltzl", brtarget, setlt, GPR32Opnd, 0>,
1450 BGEZ_FM<1, 2>, ISA_MIPS2_NOT_32R6_64R6;
1451 def B : UncondBranch<BEQ>;
1453 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1454 let AdditionalPredicates = [NotInMicroMips] in {
1455 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1456 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1459 def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
1460 ISA_MIPS32_NOT_32R6_64R6;
1461 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
1462 ISA_MIPS1_NOT_32R6_64R6;
1463 def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
1464 BGEZAL_FM<0x13>, ISA_MIPS2_NOT_32R6_64R6;
1465 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>,
1466 ISA_MIPS1_NOT_32R6_64R6;
1467 def BLTZALL : MMRel, BGEZAL_FT<"bltzall", brtarget, GPR32Opnd, 0>,
1468 BGEZAL_FM<0x12>, ISA_MIPS2_NOT_32R6_64R6;
1469 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1470 def TAILCALL : TailCall<J>;
1471 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1473 // Indirect branches are matched as PseudoIndirectBranch/PseudoIndirectBranch64
1474 // then are expanded to JR, JR64, JALR, or JALR64 depending on the ISA.
1475 class PseudoIndirectBranchBase<RegisterOperand RO> :
1476 MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)],
1477 II_IndirectBranchPseudo> {
1480 let hasDelaySlot = 1;
1482 let isIndirectBranch = 1;
1485 def PseudoIndirectBranch : PseudoIndirectBranchBase<GPR32Opnd>;
1487 // Return instructions are matched as a RetRA instruction, then are expanded
1488 // into PseudoReturn/PseudoReturn64 after register allocation. Finally,
1489 // MipsAsmPrinter expands this into JR, JR64, JALR, or JALR64 depending on the
1491 class PseudoReturnBase<RegisterOperand RO> : MipsPseudo<(outs), (ins RO:$rs),
1492 [], II_ReturnPseudo> {
1493 let isTerminator = 1;
1495 let hasDelaySlot = 1;
1497 let isCodeGenOnly = 1;
1499 let hasExtraSrcRegAllocReq = 1;
1502 def PseudoReturn : PseudoReturnBase<GPR32Opnd>;
1504 // Exception handling related node and instructions.
1505 // The conversion sequence is:
1506 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1507 // MIPSeh_return -> (stack change + indirect branch)
1509 // MIPSeh_return takes the place of regular return instruction
1510 // but takes two arguments (V1, V0) which are used for storing
1511 // the offset and return address respectively.
1512 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1514 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1515 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1517 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1518 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1519 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1520 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1522 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1525 /// Multiply and Divide Instructions.
1526 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1527 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1528 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1529 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1530 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1531 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1532 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1533 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1535 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1536 ISA_MIPS1_NOT_32R6_64R6;
1537 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1538 ISA_MIPS1_NOT_32R6_64R6;
1539 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1540 AdditionalPredicates = [NotInMicroMips] in {
1541 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1542 ISA_MIPS1_NOT_32R6_64R6;
1543 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1544 ISA_MIPS1_NOT_32R6_64R6;
1547 /// Sign Ext In Register Instructions.
1548 def SEB : MMRel, StdMMR6Rel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1549 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1550 def SEH : MMRel, StdMMR6Rel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1551 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1554 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>,
1555 ISA_MIPS32_NOT_32R6_64R6;
1556 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>,
1557 ISA_MIPS32_NOT_32R6_64R6;
1559 let AdditionalPredicates = [NotInMicroMips] in {
1560 /// Word Swap Bytes Within Halfwords
1561 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd, II_WSBH>, SEB_FM<2, 0x20>,
1566 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1568 // FrameIndexes are legalized when they are operands from load/store
1569 // instructions. The same not happens for stack address copies, so an
1570 // add op with mem ComplexPattern is used and the stack address copy
1571 // can be matched. It's similar to Sparc LEA_ADDRi
1572 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1575 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1576 ISA_MIPS32_NOT_32R6_64R6;
1577 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1578 ISA_MIPS32_NOT_32R6_64R6;
1579 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1580 ISA_MIPS32_NOT_32R6_64R6;
1581 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1582 ISA_MIPS32_NOT_32R6_64R6;
1584 let AdditionalPredicates = [NotDSP] in {
1585 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1586 ISA_MIPS1_NOT_32R6_64R6;
1587 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1588 ISA_MIPS1_NOT_32R6_64R6;
1589 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1590 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1591 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1592 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1593 ISA_MIPS32_NOT_32R6_64R6;
1594 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1595 ISA_MIPS32_NOT_32R6_64R6;
1596 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1597 ISA_MIPS32_NOT_32R6_64R6;
1598 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1599 ISA_MIPS32_NOT_32R6_64R6;
1602 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1603 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1604 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1605 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1606 let AdditionalPredicates = [NotInMicroMips] in {
1607 def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1609 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1610 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1612 /// Move Control Registers From/To CPU Registers
1613 def MFC0 : MFC3OP<"mfc0", GPR32Opnd, COP0Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1614 def MTC0 : MTC3OP<"mtc0", COP0Opnd, GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1615 def MFC2 : MFC3OP<"mfc2", GPR32Opnd, COP2Opnd>, MFC3OP_FM<0x12, 0>;
1616 def MTC2 : MTC3OP<"mtc2", COP2Opnd, GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1618 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1620 def SSNOP : MMRel, StdMMR6Rel, Barrier<"ssnop">, BARRIER_FM<1>;
1621 def EHB : MMRel, Barrier<"ehb">, BARRIER_FM<3>;
1622 def PAUSE : MMRel, StdMMR6Rel, Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1624 // JR_HB and JALR_HB are defined here using the new style naming
1625 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1626 // and because of that it doesn't follow the naming convention of the
1627 // rest of the file. To avoid a mixture of old vs new style, the new
1628 // style was chosen.
1629 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1630 dag OutOperandList = (outs);
1631 dag InOperandList = (ins GPROpnd:$rs);
1632 string AsmString = !strconcat(instr_asm, "\t$rs");
1633 list<dag> Pattern = [];
1636 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1637 dag OutOperandList = (outs GPROpnd:$rd);
1638 dag InOperandList = (ins GPROpnd:$rs);
1639 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1640 list<dag> Pattern = [];
1643 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1644 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1646 let isIndirectBranch=1;
1652 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1653 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1654 let isIndirectBranch=1;
1658 class JR_HB_ENC : JR_HB_FM<8>;
1659 class JALR_HB_ENC : JALR_HB_FM<9>;
1661 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1662 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1664 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1666 def TLBP : MMRel, TLB<"tlbp">, COP0_TLB_FM<0x08>;
1667 def TLBR : MMRel, TLB<"tlbr">, COP0_TLB_FM<0x01>;
1668 def TLBWI : MMRel, TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1669 def TLBWR : MMRel, TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1671 class CacheOp<string instr_asm, Operand MemOpnd> :
1672 InstSE<(outs), (ins MemOpnd:$addr, uimm5:$hint),
1673 !strconcat(instr_asm, "\t$hint, $addr"), [], NoItinerary, FrmOther,
1675 let DecoderMethod = "DecodeCacheOp";
1678 def CACHE : MMRel, CacheOp<"cache", mem>, CACHEOP_FM<0b101111>,
1679 INSN_MIPS3_32_NOT_32R6_64R6;
1680 def PREF : MMRel, CacheOp<"pref", mem>, CACHEOP_FM<0b110011>,
1681 INSN_MIPS3_32_NOT_32R6_64R6;
1683 //===----------------------------------------------------------------------===//
1684 // Instruction aliases
1685 //===----------------------------------------------------------------------===//
1686 def : MipsInstAlias<"move $dst, $src",
1687 (OR GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1689 let AdditionalPredicates = [NotInMicroMips];
1691 def : MipsInstAlias<"move $dst, $src",
1692 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1694 let AdditionalPredicates = [NotInMicroMips];
1696 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>,
1697 ISA_MIPS1_NOT_32R6_64R6;
1698 def : MipsInstAlias<"addu $rs, $rt, $imm",
1699 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1700 def : MipsInstAlias<"addu $rs, $imm",
1701 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1702 def : MipsInstAlias<"add $rs, $rt, $imm",
1703 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>,
1704 ISA_MIPS1_NOT_32R6_64R6;
1705 def : MipsInstAlias<"add $rs, $imm",
1706 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>,
1707 ISA_MIPS1_NOT_32R6_64R6;
1708 def : MipsInstAlias<"and $rs, $rt, $imm",
1709 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1710 def : MipsInstAlias<"and $rs, $imm",
1711 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1712 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1713 let Predicates = [NotInMicroMips] in {
1714 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1716 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1717 def : MipsInstAlias<"not $rt, $rs",
1718 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1719 def : MipsInstAlias<"neg $rt, $rs",
1720 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1721 def : MipsInstAlias<"negu $rt",
1722 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1723 def : MipsInstAlias<"negu $rt, $rs",
1724 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1725 def : MipsInstAlias<"slt $rs, $rt, $imm",
1726 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1727 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1728 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1729 def : MipsInstAlias<"xor $rs, $rt, $imm",
1730 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1731 def : MipsInstAlias<"xor $rs, $imm",
1732 (XORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1733 def : MipsInstAlias<"or $rs, $rt, $imm",
1734 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1735 def : MipsInstAlias<"or $rs, $imm",
1736 (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1737 let AdditionalPredicates = [NotInMicroMips] in {
1738 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1740 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, COP0Opnd:$rd, 0), 0>;
1741 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 COP0Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1742 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, COP2Opnd:$rd, 0), 0>;
1743 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 COP2Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1744 let AdditionalPredicates = [NotInMicroMips] in {
1745 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1747 def : MipsInstAlias<"bnez $rs,$offset",
1748 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1749 def : MipsInstAlias<"bnezl $rs,$offset",
1750 (BNEL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1751 def : MipsInstAlias<"beqz $rs,$offset",
1752 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1753 def : MipsInstAlias<"beqzl $rs,$offset",
1754 (BEQL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1755 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1757 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1758 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1759 let AdditionalPredicates = [NotInMicroMips] in {
1760 def : MipsInstAlias<"ei", (EI ZERO), 1>, ISA_MIPS32R2;
1762 def : MipsInstAlias<"di", (DI ZERO), 1>, ISA_MIPS32R2;
1763 let AdditionalPredicates = [NotInMicroMips] in {
1764 def : MipsInstAlias<"teq $rs, $rt",
1765 (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1766 def : MipsInstAlias<"tge $rs, $rt",
1767 (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1768 def : MipsInstAlias<"tgeu $rs, $rt",
1769 (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1770 def : MipsInstAlias<"tlt $rs, $rt",
1771 (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1772 def : MipsInstAlias<"tltu $rs, $rt",
1773 (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1774 def : MipsInstAlias<"tne $rs, $rt",
1775 (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1777 def : MipsInstAlias<"sll $rd, $rt, $rs",
1778 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1779 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1780 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1781 InvertedImOperand:$imm), 0>, ISA_MIPS1_NOT_32R6_64R6;
1782 def : MipsInstAlias<"sub $rs, $imm",
1783 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1784 0>, ISA_MIPS1_NOT_32R6_64R6;
1785 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1786 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1787 InvertedImOperand:$imm), 0>;
1788 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1789 InvertedImOperand:$imm), 0>;
1790 def : MipsInstAlias<"sra $rd, $rt, $rs",
1791 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1792 def : MipsInstAlias<"srl $rd, $rt, $rs",
1793 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1794 def : MipsInstAlias<"sdbbp", (SDBBP 0)>, ISA_MIPS32_NOT_32R6_64R6;
1795 def : MipsInstAlias<"sync",
1796 (SYNC 0), 1>, ISA_MIPS2;
1797 //===----------------------------------------------------------------------===//
1798 // Assembler Pseudo Instructions
1799 //===----------------------------------------------------------------------===//
1801 class LoadImmediate32<string instr_asm, Operand Od, RegisterOperand RO> :
1802 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1803 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1804 def LoadImm32 : LoadImmediate32<"li", uimm5, GPR32Opnd>;
1806 class LoadAddressFromReg32<string instr_asm, Operand MemOpnd,
1807 RegisterOperand RO> :
1808 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1809 !strconcat(instr_asm, "\t$rt, $addr")> ;
1810 def LoadAddrReg32 : LoadAddressFromReg32<"la", mem, GPR32Opnd>;
1812 class LoadAddressFromImm32<string instr_asm, Operand Od, RegisterOperand RO> :
1813 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1814 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1815 def LoadAddrImm32 : LoadAddressFromImm32<"la", uimm5, GPR32Opnd>;
1817 def JalTwoReg : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rs),
1819 def JalOneReg : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs),
1822 def NORImm : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm),
1823 "nor\t$rs, $rt, $imm"> ;
1825 let hasDelaySlot = 1 in {
1826 def BneImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1827 (ins imm64:$imm64, brtarget:$offset),
1828 "bne\t$rt, $imm64, $offset">;
1829 def BeqImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1830 (ins imm64:$imm64, brtarget:$offset),
1831 "beq\t$rt, $imm64, $offset">;
1833 class CondBranchPseudo<string instr_asm> :
1834 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt,
1836 !strconcat(instr_asm, "\t$rs, $rt, $offset")>;
1839 def BLT : CondBranchPseudo<"blt">;
1840 def BLE : CondBranchPseudo<"ble">;
1841 def BGE : CondBranchPseudo<"bge">;
1842 def BGT : CondBranchPseudo<"bgt">;
1843 def BLTU : CondBranchPseudo<"bltu">;
1844 def BLEU : CondBranchPseudo<"bleu">;
1845 def BGEU : CondBranchPseudo<"bgeu">;
1846 def BGTU : CondBranchPseudo<"bgtu">;
1847 def BLTL : CondBranchPseudo<"bltl">, ISA_MIPS2_NOT_32R6_64R6;
1848 def BLEL : CondBranchPseudo<"blel">, ISA_MIPS2_NOT_32R6_64R6;
1849 def BGEL : CondBranchPseudo<"bgel">, ISA_MIPS2_NOT_32R6_64R6;
1850 def BGTL : CondBranchPseudo<"bgtl">, ISA_MIPS2_NOT_32R6_64R6;
1851 def BLTUL: CondBranchPseudo<"bltul">, ISA_MIPS2_NOT_32R6_64R6;
1852 def BLEUL: CondBranchPseudo<"bleul">, ISA_MIPS2_NOT_32R6_64R6;
1853 def BGEUL: CondBranchPseudo<"bgeul">, ISA_MIPS2_NOT_32R6_64R6;
1854 def BGTUL: CondBranchPseudo<"bgtul">, ISA_MIPS2_NOT_32R6_64R6;
1856 class CondBranchImmPseudo<string instr_asm> :
1857 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, imm64:$imm, brtarget:$offset),
1858 !strconcat(instr_asm, "\t$rs, $imm, $offset")>;
1860 def BLTImmMacro : CondBranchImmPseudo<"blt">;
1861 def BLEImmMacro : CondBranchImmPseudo<"ble">;
1862 def BGEImmMacro : CondBranchImmPseudo<"bge">;
1863 def BGTImmMacro : CondBranchImmPseudo<"bgt">;
1864 def BLTUImmMacro : CondBranchImmPseudo<"bltu">;
1865 def BLEUImmMacro : CondBranchImmPseudo<"bleu">;
1866 def BGEUImmMacro : CondBranchImmPseudo<"bgeu">;
1867 def BGTUImmMacro : CondBranchImmPseudo<"bgtu">;
1868 def BLTLImmMacro : CondBranchImmPseudo<"bltl">, ISA_MIPS2_NOT_32R6_64R6;
1869 def BLELImmMacro : CondBranchImmPseudo<"blel">, ISA_MIPS2_NOT_32R6_64R6;
1870 def BGELImmMacro : CondBranchImmPseudo<"bgel">, ISA_MIPS2_NOT_32R6_64R6;
1871 def BGTLImmMacro : CondBranchImmPseudo<"bgtl">, ISA_MIPS2_NOT_32R6_64R6;
1872 def BLTULImmMacro : CondBranchImmPseudo<"bltul">, ISA_MIPS2_NOT_32R6_64R6;
1873 def BLEULImmMacro : CondBranchImmPseudo<"bleul">, ISA_MIPS2_NOT_32R6_64R6;
1874 def BGEULImmMacro : CondBranchImmPseudo<"bgeul">, ISA_MIPS2_NOT_32R6_64R6;
1875 def BGTULImmMacro : CondBranchImmPseudo<"bgtul">, ISA_MIPS2_NOT_32R6_64R6;
1877 // FIXME: Predicates are removed because instructions are matched regardless of
1878 // predicates, because PredicateControl was not in the hierarchy. This was
1879 // done to emit more precise error message from expansion function.
1880 // Once the tablegen-erated errors are made better, this needs to be fixed and
1881 // predicates needs to be restored.
1883 def SDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1884 "div\t$rs, $rt">; //, ISA_MIPS1_NOT_32R6_64R6;
1886 def UDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1887 "divu\t$rs, $rt">; //, ISA_MIPS1_NOT_32R6_64R6;
1889 def DSDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1890 "ddiv\t$rs, $rt">; //, ISA_MIPS64_NOT_64R6;
1892 def DUDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1893 "ddivu\t$rs, $rt">; //, ISA_MIPS64_NOT_64R6;
1895 def Ulh : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1896 "ulh\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1898 def Ulhu : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1899 "ulhu\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1901 def Ulw : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1902 "ulw\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1904 //===----------------------------------------------------------------------===//
1905 // Arbitrary patterns that map to one or more instructions
1906 //===----------------------------------------------------------------------===//
1908 // Load/store pattern templates.
1909 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1910 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1912 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1913 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1916 let AdditionalPredicates = [NotInMicroMips] in {
1917 def : MipsPat<(i32 immSExt16:$in),
1918 (ADDiu ZERO, imm:$in)>;
1919 def : MipsPat<(i32 immZExt16:$in),
1920 (ORi ZERO, imm:$in)>;
1922 def : MipsPat<(i32 immLow16Zero:$in),
1923 (LUi (HI16 imm:$in))>;
1925 // Arbitrary immediates
1926 def : MipsPat<(i32 imm:$imm),
1927 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1929 // Carry MipsPatterns
1930 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1931 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1932 let AdditionalPredicates = [NotDSP] in {
1933 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1934 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1935 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1936 (ADDiu GPR32:$src, imm:$imm)>;
1939 // Support multiplication for pre-Mips32 targets that don't have
1940 // the MUL instruction.
1941 def : MipsPat<(mul GPR32:$lhs, GPR32:$rhs),
1942 (PseudoMFLO (PseudoMULT GPR32:$lhs, GPR32:$rhs))>,
1943 ISA_MIPS1_NOT_32R6_64R6;
1946 def : MipsPat<(MipsSync (i32 immz)),
1947 (SYNC 0)>, ISA_MIPS2;
1950 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1951 (JAL tglobaladdr:$dst)>;
1952 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1953 (JAL texternalsym:$dst)>;
1954 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1955 // (JALR GPR32:$dst)>;
1958 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1959 (TAILCALL tglobaladdr:$dst)>;
1960 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1961 (TAILCALL texternalsym:$dst)>;
1963 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1964 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1965 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1966 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1967 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1968 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1970 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1971 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1972 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1973 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1974 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1975 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1977 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1978 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1979 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1980 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1981 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1982 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1983 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1984 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1985 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1986 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1989 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1990 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1991 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1992 (ADDiu GPR32:$gp, tconstpool:$in)>;
1995 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1996 MipsPat<(MipsWrapper RC:$gp, node:$in),
1997 (ADDiuOp RC:$gp, node:$in)>;
1999 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
2000 def : WrapperPat<tconstpool, ADDiu, GPR32>;
2001 def : WrapperPat<texternalsym, ADDiu, GPR32>;
2002 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
2003 def : WrapperPat<tjumptable, ADDiu, GPR32>;
2004 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
2006 let AdditionalPredicates = [NotInMicroMips] in {
2007 // Mips does not have "not", so we expand our way
2008 def : MipsPat<(not GPR32:$in),
2009 (NOR GPR32Opnd:$in, ZERO)>;
2013 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
2014 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
2015 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
2018 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
2021 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
2022 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
2023 Instruction SLTiuOp, Register ZEROReg> {
2024 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
2025 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
2026 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
2027 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
2029 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
2030 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
2031 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
2032 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
2033 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
2034 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
2035 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
2036 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
2037 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
2038 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
2039 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
2040 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
2042 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
2043 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
2044 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
2045 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
2047 def : MipsPat<(brcond RC:$cond, bb:$dst),
2048 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
2051 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
2053 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
2054 (BLEZ i32:$lhs, bb:$dst)>;
2055 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
2056 (BGEZ i32:$lhs, bb:$dst)>;
2059 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
2060 Instruction SLTuOp, Register ZEROReg> {
2061 def : MipsPat<(seteq RC:$lhs, 0),
2062 (SLTiuOp RC:$lhs, 1)>;
2063 def : MipsPat<(setne RC:$lhs, 0),
2064 (SLTuOp ZEROReg, RC:$lhs)>;
2065 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
2066 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
2067 def : MipsPat<(setne RC:$lhs, RC:$rhs),
2068 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
2071 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2072 def : MipsPat<(setle RC:$lhs, RC:$rhs),
2073 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
2074 def : MipsPat<(setule RC:$lhs, RC:$rhs),
2075 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
2078 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2079 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
2080 (SLTOp RC:$rhs, RC:$lhs)>;
2081 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
2082 (SLTuOp RC:$rhs, RC:$lhs)>;
2085 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2086 def : MipsPat<(setge RC:$lhs, RC:$rhs),
2087 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
2088 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
2089 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
2092 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
2093 Instruction SLTiuOp> {
2094 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
2095 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
2096 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
2097 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
2100 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
2101 defm : SetlePats<GPR32, SLT, SLTu>;
2102 defm : SetgtPats<GPR32, SLT, SLTu>;
2103 defm : SetgePats<GPR32, SLT, SLTu>;
2104 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
2107 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
2109 // Load halfword/word patterns.
2110 let AddedComplexity = 40 in {
2111 def : LoadRegImmPat<LBu, i32, zextloadi8>;
2112 def : LoadRegImmPat<LH, i32, sextloadi16>;
2113 let AdditionalPredicates = [NotInMicroMips] in {
2114 def : LoadRegImmPat<LW, i32, load>;
2118 // Atomic load patterns.
2119 def : MipsPat<(atomic_load_8 addr:$a), (LB addr:$a)>;
2120 def : MipsPat<(atomic_load_16 addr:$a), (LH addr:$a)>;
2121 def : MipsPat<(atomic_load_32 addr:$a), (LW addr:$a)>;
2123 // Atomic store patterns.
2124 def : MipsPat<(atomic_store_8 addr:$a, GPR32:$v), (SB GPR32:$v, addr:$a)>;
2125 def : MipsPat<(atomic_store_16 addr:$a, GPR32:$v), (SH GPR32:$v, addr:$a)>;
2126 def : MipsPat<(atomic_store_32 addr:$a, GPR32:$v), (SW GPR32:$v, addr:$a)>;
2128 //===----------------------------------------------------------------------===//
2129 // Floating Point Support
2130 //===----------------------------------------------------------------------===//
2132 include "MipsInstrFPU.td"
2133 include "Mips64InstrInfo.td"
2134 include "MipsCondMov.td"
2136 include "Mips32r6InstrInfo.td"
2137 include "Mips64r6InstrInfo.td"
2142 include "Mips16InstrFormats.td"
2143 include "Mips16InstrInfo.td"
2146 include "MipsDSPInstrFormats.td"
2147 include "MipsDSPInstrInfo.td"
2150 include "MipsMSAInstrFormats.td"
2151 include "MipsMSAInstrInfo.td"
2154 include "MipsEVAInstrFormats.td"
2155 include "MipsEVAInstrInfo.td"
2158 include "MicroMipsInstrFormats.td"
2159 include "MicroMipsInstrInfo.td"
2160 include "MicroMipsInstrFPU.td"
2163 include "MicroMips32r6InstrFormats.td"
2164 include "MicroMips32r6InstrInfo.td"
2167 include "MicroMips64r6InstrFormats.td"
2168 include "MicroMips64r6InstrInfo.td"
2171 include "MicroMipsDSPInstrFormats.td"
2172 include "MicroMipsDSPInstrInfo.td"