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 def ConstantImmzAsmOperandClass : AsmOperandClass {
385 let Name = "ConstantImmz";
386 let RenderMethod = "addConstantUImmOperands<1>";
387 let PredicateMethod = "isConstantImmz";
388 let SuperClasses = [];
389 let DiagnosticType = "Immz";
392 def MipsJumpTargetAsmOperand : AsmOperandClass {
393 let Name = "JumpTarget";
394 let ParserMethod = "parseJumpTarget";
395 let PredicateMethod = "isImm";
396 let RenderMethod = "addImmOperands";
399 // Instruction operand types
400 def jmptarget : Operand<OtherVT> {
401 let EncoderMethod = "getJumpTargetOpValue";
402 let ParserMatchClass = MipsJumpTargetAsmOperand;
404 def brtarget : Operand<OtherVT> {
405 let EncoderMethod = "getBranchTargetOpValue";
406 let OperandType = "OPERAND_PCREL";
407 let DecoderMethod = "DecodeBranchTarget";
408 let ParserMatchClass = MipsJumpTargetAsmOperand;
410 def calltarget : Operand<iPTR> {
411 let EncoderMethod = "getJumpTargetOpValue";
412 let ParserMatchClass = MipsJumpTargetAsmOperand;
415 def imm64: Operand<i64>;
417 def simm9 : Operand<i32>;
418 def simm10 : Operand<i32>;
419 def simm11 : Operand<i32>;
421 def simm16 : Operand<i32> {
422 let DecoderMethod= "DecodeSimm16";
425 def simm19_lsl2 : Operand<i32> {
426 let EncoderMethod = "getSimm19Lsl2Encoding";
427 let DecoderMethod = "DecodeSimm19Lsl2";
428 let ParserMatchClass = MipsJumpTargetAsmOperand;
431 def simm18_lsl3 : Operand<i32> {
432 let EncoderMethod = "getSimm18Lsl3Encoding";
433 let DecoderMethod = "DecodeSimm18Lsl3";
434 let ParserMatchClass = MipsJumpTargetAsmOperand;
437 def simm20 : Operand<i32> {
440 def uimm20 : Operand<i32> {
443 def MipsUImm10AsmOperand : AsmOperandClass {
445 let RenderMethod = "addImmOperands";
446 let ParserMethod = "parseImm";
447 let PredicateMethod = "isUImm<10>";
450 def uimm10 : Operand<i32> {
451 let ParserMatchClass = MipsUImm10AsmOperand;
454 def simm16_64 : Operand<i64> {
455 let DecoderMethod = "DecodeSimm16";
459 def uimmz : Operand<i32> {
460 let PrintMethod = "printUnsignedImm";
461 let ParserMatchClass = ConstantImmzAsmOperandClass;
465 def uimm2 : Operand<i32> {
466 let PrintMethod = "printUnsignedImm";
469 def uimm3 : Operand<i32> {
470 let PrintMethod = "printUnsignedImm";
473 def uimm5 : Operand<i32> {
474 let PrintMethod = "printUnsignedImm";
477 def uimm6 : Operand<i32> {
478 let PrintMethod = "printUnsignedImm";
481 def uimm16 : Operand<i32> {
482 let PrintMethod = "printUnsignedImm";
485 def pcrel16 : Operand<i32> {
488 def MipsMemAsmOperand : AsmOperandClass {
490 let ParserMethod = "parseMemOperand";
493 def MipsMemSimm9AsmOperand : AsmOperandClass {
494 let Name = "MemOffsetSimm9";
495 let SuperClasses = [MipsMemAsmOperand];
496 let RenderMethod = "addMemOperands";
497 let ParserMethod = "parseMemOperand";
498 let PredicateMethod = "isMemWithSimmOffset<9>";
501 def MipsMemSimm9GPRAsmOperand : AsmOperandClass {
502 let Name = "MemOffsetSimm9GPR";
503 let SuperClasses = [MipsMemAsmOperand];
504 let RenderMethod = "addMemOperands";
505 let ParserMethod = "parseMemOperand";
506 let PredicateMethod = "isMemWithSimmOffsetGPR<9>";
509 def MipsMemSimm11AsmOperand : AsmOperandClass {
510 let Name = "MemOffsetSimm11";
511 let SuperClasses = [MipsMemAsmOperand];
512 let RenderMethod = "addMemOperands";
513 let ParserMethod = "parseMemOperand";
514 let PredicateMethod = "isMemWithSimmOffset<11>";
517 def MipsMemSimm16AsmOperand : AsmOperandClass {
518 let Name = "MemOffsetSimm16";
519 let SuperClasses = [MipsMemAsmOperand];
520 let RenderMethod = "addMemOperands";
521 let ParserMethod = "parseMemOperand";
522 let PredicateMethod = "isMemWithSimmOffset<16>";
525 def MipsInvertedImmoperand : AsmOperandClass {
527 let RenderMethod = "addImmOperands";
528 let ParserMethod = "parseInvNum";
531 def InvertedImOperand : Operand<i32> {
532 let ParserMatchClass = MipsInvertedImmoperand;
535 def InvertedImOperand64 : Operand<i64> {
536 let ParserMatchClass = MipsInvertedImmoperand;
539 class mem_generic : Operand<iPTR> {
540 let PrintMethod = "printMemOperand";
541 let MIOperandInfo = (ops ptr_rc, simm16);
542 let EncoderMethod = "getMemEncoding";
543 let ParserMatchClass = MipsMemAsmOperand;
544 let OperandType = "OPERAND_MEMORY";
548 def mem : mem_generic;
550 // MSA specific address operand
551 def mem_msa : mem_generic {
552 let MIOperandInfo = (ops ptr_rc, simm10);
553 let EncoderMethod = "getMSAMemEncoding";
556 def mem_simm9 : mem_generic {
557 let MIOperandInfo = (ops ptr_rc, simm9);
558 let EncoderMethod = "getMemEncoding";
559 let ParserMatchClass = MipsMemSimm9AsmOperand;
562 def mem_simm9gpr : mem_generic {
563 let MIOperandInfo = (ops ptr_rc, simm9);
564 let EncoderMethod = "getMemEncoding";
565 let ParserMatchClass = MipsMemSimm9GPRAsmOperand;
568 def mem_simm11 : mem_generic {
569 let MIOperandInfo = (ops ptr_rc, simm11);
570 let EncoderMethod = "getMemEncoding";
571 let ParserMatchClass = MipsMemSimm11AsmOperand;
574 def mem_simm16 : mem_generic {
575 let MIOperandInfo = (ops ptr_rc, simm16);
576 let EncoderMethod = "getMemEncoding";
577 let ParserMatchClass = MipsMemSimm16AsmOperand;
580 def mem_ea : Operand<iPTR> {
581 let PrintMethod = "printMemOperandEA";
582 let MIOperandInfo = (ops ptr_rc, simm16);
583 let EncoderMethod = "getMemEncoding";
584 let OperandType = "OPERAND_MEMORY";
587 def PtrRC : Operand<iPTR> {
588 let MIOperandInfo = (ops ptr_rc);
589 let DecoderMethod = "DecodePtrRegisterClass";
590 let ParserMatchClass = GPR32AsmOperand;
593 // size operand of ext instruction
594 def size_ext : Operand<i32> {
595 let EncoderMethod = "getSizeExtEncoding";
596 let DecoderMethod = "DecodeExtSize";
599 // size operand of ins instruction
600 def size_ins : Operand<i32> {
601 let EncoderMethod = "getSizeInsEncoding";
602 let DecoderMethod = "DecodeInsSize";
605 // Transformation Function - get the lower 16 bits.
606 def LO16 : SDNodeXForm<imm, [{
607 return getImm(N, N->getZExtValue() & 0xFFFF);
610 // Transformation Function - get the higher 16 bits.
611 def HI16 : SDNodeXForm<imm, [{
612 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
616 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
618 // Node immediate is zero (e.g. insve.d)
619 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
621 // Node immediate fits as 16-bit sign extended on target immediate.
623 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
625 // Node immediate fits as 16-bit sign extended on target immediate.
627 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
629 // Node immediate fits as 15-bit sign extended on target immediate.
631 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
633 // Node immediate fits as 16-bit zero extended on target immediate.
634 // The LO16 param means that only the lower 16 bits of the node
635 // immediate are caught.
637 def immZExt16 : PatLeaf<(imm), [{
638 if (N->getValueType(0) == MVT::i32)
639 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
641 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
644 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
645 def immLow16Zero : PatLeaf<(imm), [{
646 int64_t Val = N->getSExtValue();
647 return isInt<32>(Val) && !(Val & 0xffff);
650 // shamt field must fit in 5 bits.
651 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
653 // True if (N + 1) fits in 16-bit field.
654 def immSExt16Plus1 : PatLeaf<(imm), [{
655 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
658 // Mips Address Mode! SDNode frameindex could possibily be a match
659 // since load and store instructions from stack used it.
661 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
664 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
667 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
670 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
672 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
674 //===----------------------------------------------------------------------===//
675 // Instructions specific format
676 //===----------------------------------------------------------------------===//
678 // Arithmetic and logical instructions with 3 register operands.
679 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
680 InstrItinClass Itin = NoItinerary,
681 SDPatternOperator OpNode = null_frag>:
682 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
683 !strconcat(opstr, "\t$rd, $rs, $rt"),
684 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
685 let isCommutable = isComm;
686 let isReMaterializable = 1;
687 let TwoOperandAliasConstraint = "$rd = $rs";
690 // Arithmetic and logical instructions with 2 register operands.
691 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
692 InstrItinClass Itin = NoItinerary,
693 SDPatternOperator imm_type = null_frag,
694 SDPatternOperator OpNode = null_frag> :
695 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
696 !strconcat(opstr, "\t$rt, $rs, $imm16"),
697 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
699 let isReMaterializable = 1;
700 let TwoOperandAliasConstraint = "$rs = $rt";
703 // Arithmetic Multiply ADD/SUB
704 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
705 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
706 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
707 let Defs = [HI0, LO0];
708 let Uses = [HI0, LO0];
709 let isCommutable = isComm;
713 class LogicNOR<string opstr, RegisterOperand RO>:
714 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
715 !strconcat(opstr, "\t$rd, $rs, $rt"),
716 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
717 let isCommutable = 1;
721 class shift_rotate_imm<string opstr, Operand ImmOpnd,
722 RegisterOperand RO, InstrItinClass itin,
723 SDPatternOperator OpNode = null_frag,
724 SDPatternOperator PF = null_frag> :
725 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
726 !strconcat(opstr, "\t$rd, $rt, $shamt"),
727 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
728 let TwoOperandAliasConstraint = "$rt = $rd";
731 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
732 SDPatternOperator OpNode = null_frag>:
733 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
734 !strconcat(opstr, "\t$rd, $rt, $rs"),
735 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
738 // Load Upper Immediate
739 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
740 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
741 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
742 let hasSideEffects = 0;
743 let isReMaterializable = 1;
747 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
748 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
749 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
750 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
751 let DecoderMethod = "DecodeMem";
752 let canFoldAsLoad = 1;
756 class StoreMemory<string opstr, DAGOperand RO, DAGOperand MO,
757 SDPatternOperator OpNode = null_frag,
758 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
759 InstSE<(outs), (ins RO:$rt, MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
760 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
761 let DecoderMethod = "DecodeMem";
765 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
766 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
767 StoreMemory<opstr, RO, mem, OpNode, Itin, Addr>;
769 // Load/Store Left/Right
770 let canFoldAsLoad = 1 in
771 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
772 InstrItinClass Itin> :
773 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
774 !strconcat(opstr, "\t$rt, $addr"),
775 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
776 let DecoderMethod = "DecodeMem";
777 string Constraints = "$src = $rt";
780 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
781 InstrItinClass Itin> :
782 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
783 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
784 let DecoderMethod = "DecodeMem";
788 class LW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
789 SDPatternOperator OpNode= null_frag> :
790 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
791 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
792 let DecoderMethod = "DecodeFMem2";
796 class SW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
797 SDPatternOperator OpNode= null_frag> :
798 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
799 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
800 let DecoderMethod = "DecodeFMem2";
805 class LW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
806 SDPatternOperator OpNode= null_frag> :
807 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
808 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
809 let DecoderMethod = "DecodeFMem3";
813 class SW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
814 SDPatternOperator OpNode= null_frag> :
815 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
816 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
817 let DecoderMethod = "DecodeFMem3";
821 // Conditional Branch
822 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
823 RegisterOperand RO, bit DelaySlot = 1> :
824 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
825 !strconcat(opstr, "\t$rs, $rt, $offset"),
826 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], II_BCC,
829 let isTerminator = 1;
830 let hasDelaySlot = DelaySlot;
834 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
835 RegisterOperand RO, bit DelaySlot = 1> :
836 InstSE<(outs), (ins RO:$rs, opnd:$offset),
837 !strconcat(opstr, "\t$rs, $offset"),
838 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], II_BCCZ,
841 let isTerminator = 1;
842 let hasDelaySlot = DelaySlot;
847 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
848 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
849 !strconcat(opstr, "\t$rd, $rs, $rt"),
850 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
851 II_SLT_SLTU, FrmR, opstr>;
853 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
855 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
856 !strconcat(opstr, "\t$rt, $rs, $imm16"),
857 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
858 II_SLTI_SLTIU, FrmI, opstr>;
861 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
862 SDPatternOperator targetoperator, string bopstr> :
863 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
864 [(operator targetoperator:$target)], II_J, FrmJ, bopstr> {
867 let hasDelaySlot = 1;
868 let DecoderMethod = "DecodeJumpTarget";
872 // Unconditional branch
873 class UncondBranch<Instruction BEQInst> :
874 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], II_B>,
875 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
877 let isTerminator = 1;
879 let hasDelaySlot = 1;
880 let AdditionalPredicates = [RelocPIC];
884 // Base class for indirect branch and return instruction classes.
885 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
886 class JumpFR<string opstr, RegisterOperand RO,
887 SDPatternOperator operator = null_frag>:
888 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], II_JR,
892 class IndirectBranch<string opstr, RegisterOperand RO> : JumpFR<opstr, RO> {
894 let isIndirectBranch = 1;
897 // Jump and Link (Call)
898 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
899 class JumpLink<string opstr, DAGOperand opnd> :
900 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
901 [(MipsJmpLink imm:$target)], II_JAL, FrmJ, opstr> {
902 let DecoderMethod = "DecodeJumpTarget";
905 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
906 Register RetReg, RegisterOperand ResRO = RO>:
907 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], II_JALR>,
908 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
910 class JumpLinkReg<string opstr, RegisterOperand RO>:
911 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
912 [], II_JALR, FrmR, opstr>;
914 class BGEZAL_FT<string opstr, DAGOperand opnd,
915 RegisterOperand RO, bit DelaySlot = 1> :
916 InstSE<(outs), (ins RO:$rs, opnd:$offset),
917 !strconcat(opstr, "\t$rs, $offset"), [], II_BCCZAL, FrmI, opstr> {
918 let hasDelaySlot = DelaySlot;
923 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
924 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
925 class TailCall<Instruction JumpInst> :
926 PseudoSE<(outs), (ins calltarget:$target), [], II_J>,
927 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
929 class TailCallReg<RegisterOperand RO, Instruction JRInst,
930 RegisterOperand ResRO = RO> :
931 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], II_JR>,
932 PseudoInstExpansion<(JRInst ResRO:$rs)>;
935 class BAL_BR_Pseudo<Instruction RealInst> :
936 PseudoSE<(outs), (ins brtarget:$offset), [], II_BCCZAL>,
937 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
939 let isTerminator = 1;
941 let hasDelaySlot = 1;
946 class SYS_FT<string opstr> :
947 InstSE<(outs), (ins uimm20:$code_),
948 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
950 class BRK_FT<string opstr> :
951 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
952 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
956 class ER_FT<string opstr> :
957 InstSE<(outs), (ins),
958 opstr, [], NoItinerary, FrmOther, opstr>;
961 class DEI_FT<string opstr, RegisterOperand RO> :
962 InstSE<(outs RO:$rt), (ins),
963 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
966 class WAIT_FT<string opstr> :
967 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
970 let hasSideEffects = 1 in
971 class SYNC_FT<string opstr> :
972 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
973 NoItinerary, FrmOther, opstr>;
975 class SYNCI_FT<string opstr> :
976 InstSE<(outs), (ins mem_simm16:$addr), !strconcat(opstr, "\t$addr"), [],
977 NoItinerary, FrmOther, opstr> {
978 let hasSideEffects = 1;
979 let DecoderMethod = "DecodeSyncI";
982 let hasSideEffects = 1 in
983 class TEQ_FT<string opstr, RegisterOperand RO> :
984 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
985 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
988 class TEQI_FT<string opstr, RegisterOperand RO> :
989 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
990 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
992 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
993 list<Register> DefRegs> :
994 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
996 let isCommutable = 1;
998 let hasSideEffects = 0;
1001 // Pseudo multiply/divide instruction with explicit accumulator register
1003 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
1004 SDPatternOperator OpNode, InstrItinClass Itin,
1005 bit IsComm = 1, bit HasSideEffects = 0,
1006 bit UsesCustomInserter = 0> :
1007 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
1008 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
1009 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
1010 let isCommutable = IsComm;
1011 let hasSideEffects = HasSideEffects;
1012 let usesCustomInserter = UsesCustomInserter;
1015 // Pseudo multiply add/sub instruction with explicit accumulator register
1017 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
1018 InstrItinClass itin>
1019 : PseudoSE<(outs ACC64:$ac),
1020 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
1022 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
1024 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
1025 string Constraints = "$acin = $ac";
1028 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
1029 list<Register> DefRegs> :
1030 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
1031 [], itin, FrmR, opstr> {
1036 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
1037 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
1038 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
1040 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
1041 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
1043 let Uses = [UseReg];
1044 let hasSideEffects = 0;
1047 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
1048 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
1049 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
1052 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
1053 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
1056 let hasSideEffects = 0;
1059 class EffectiveAddress<string opstr, RegisterOperand RO> :
1060 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
1061 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
1062 !strconcat(opstr, "_lea")> {
1063 let isCodeGenOnly = 1;
1064 let DecoderMethod = "DecodeMem";
1067 // Count Leading Ones/Zeros in Word
1068 class CountLeading0<string opstr, RegisterOperand RO>:
1069 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1070 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
1072 class CountLeading1<string opstr, RegisterOperand RO>:
1073 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1074 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
1076 // Sign Extend in Register.
1077 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
1078 InstrItinClass itin> :
1079 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
1080 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
1083 class SubwordSwap<string opstr, RegisterOperand RO,
1084 InstrItinClass itin = NoItinerary>:
1085 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [], itin,
1087 let hasSideEffects = 0;
1091 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
1092 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
1093 II_RDHWR, FrmR, "rdhwr">;
1096 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1097 SDPatternOperator Op = null_frag>:
1098 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
1099 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1100 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], II_EXT,
1101 FrmR, opstr>, ISA_MIPS32R2;
1103 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1104 SDPatternOperator Op = null_frag>:
1105 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
1106 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1107 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
1108 II_INS, FrmR, opstr>, ISA_MIPS32R2 {
1109 let Constraints = "$src = $rt";
1112 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
1113 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
1114 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
1115 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
1117 // Atomic Compare & Swap.
1118 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
1119 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
1120 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
1122 class LLBase<string opstr, RegisterOperand RO> :
1123 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
1124 [], NoItinerary, FrmI> {
1125 let DecoderMethod = "DecodeMem";
1129 class SCBase<string opstr, RegisterOperand RO> :
1130 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
1131 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
1132 let DecoderMethod = "DecodeMem";
1134 let Constraints = "$rt = $dst";
1137 class MFC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1138 InstSE<(outs RO:$rt), (ins RD:$rd, uimm16:$sel),
1139 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1141 class MTC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1142 InstSE<(outs RO:$rd), (ins RD:$rt, uimm16:$sel),
1143 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1145 class TrapBase<Instruction RealInst>
1146 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
1147 PseudoInstExpansion<(RealInst 0, 0)> {
1149 let isTerminator = 1;
1150 let isCodeGenOnly = 1;
1153 //===----------------------------------------------------------------------===//
1154 // Pseudo instructions
1155 //===----------------------------------------------------------------------===//
1158 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
1159 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
1161 let isReturn=1, isTerminator=1, isBarrier=1, hasCtrlDep=1, hasSideEffects=1 in
1162 def ERet : PseudoSE<(outs), (ins), [(MipsERet)]>;
1164 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1165 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
1166 [(callseq_start timm:$amt)]>;
1167 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
1168 [(callseq_end timm:$amt1, timm:$amt2)]>;
1171 let usesCustomInserter = 1 in {
1172 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
1173 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
1174 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
1175 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
1176 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
1177 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
1178 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
1179 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
1180 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
1181 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
1182 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
1183 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
1184 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
1185 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
1186 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
1187 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
1188 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
1189 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
1191 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
1192 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
1193 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
1195 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
1196 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1197 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1200 /// Pseudo instructions for loading and storing accumulator registers.
1201 let isPseudo = 1, isCodeGenOnly = 1 in {
1202 def LOAD_ACC64 : Load<"", ACC64>;
1203 def STORE_ACC64 : Store<"", ACC64>;
1206 // We need these two pseudo instructions to avoid offset calculation for long
1207 // branches. See the comment in file MipsLongBranch.cpp for detailed
1210 // Expands to: lui $dst, %hi($tgt - $baltgt)
1211 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1212 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1214 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1215 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1216 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1218 //===----------------------------------------------------------------------===//
1219 // Instruction definition
1220 //===----------------------------------------------------------------------===//
1221 //===----------------------------------------------------------------------===//
1222 // MipsI Instructions
1223 //===----------------------------------------------------------------------===//
1225 /// Arithmetic Instructions (ALU Immediate)
1226 let AdditionalPredicates = [NotInMicroMips] in {
1227 def ADDiu : MMRel, StdMMR6Rel, ArithLogicI<"addiu", simm16, GPR32Opnd,
1228 II_ADDIU, immSExt16, add>,
1229 ADDI_FM<0x9>, IsAsCheapAsAMove;
1231 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1232 ISA_MIPS1_NOT_32R6_64R6;
1233 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1235 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1237 let AdditionalPredicates = [NotInMicroMips] in {
1238 def ANDi : MMRel, StdMMR6Rel,
1239 ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16, and>,
1242 def ORi : MMRel, StdMMR6Rel,
1243 ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16, or>,
1245 def XORi : MMRel, StdMMR6Rel,
1246 ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16, xor>,
1248 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1249 let AdditionalPredicates = [NotInMicroMips] in {
1250 /// Arithmetic Instructions (3-Operand, R-Type)
1251 def ADDu : MMRel, StdMMR6Rel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1253 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1256 let Defs = [HI0, LO0] in
1257 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1258 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1259 def ADD : MMRel, StdMMR6Rel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1260 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1261 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1262 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1263 let AdditionalPredicates = [NotInMicroMips] in {
1264 def AND : MMRel, StdMMR6Rel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1266 def OR : MMRel, StdMMR6Rel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1268 def XOR : MMRel, StdMMR6Rel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1271 def NOR : MMRel, StdMMR6Rel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1273 /// Shift Instructions
1274 let AdditionalPredicates = [NotInMicroMips] in {
1275 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1276 immZExt5>, SRA_FM<0, 0>;
1277 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1278 immZExt5>, SRA_FM<2, 0>;
1280 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1281 immZExt5>, SRA_FM<3, 0>;
1282 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1284 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1286 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1289 // Rotate Instructions
1290 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1292 SRA_FM<2, 1>, ISA_MIPS32R2;
1293 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1294 SRLV_FM<6, 1>, ISA_MIPS32R2;
1296 /// Load and Store Instructions
1298 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1299 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1301 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1303 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1304 let AdditionalPredicates = [NotInMicroMips] in {
1305 def LW : StdMMR6Rel, Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1308 def SB : StdMMR6Rel, Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel,
1310 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1311 let AdditionalPredicates = [NotInMicroMips] in {
1312 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1315 /// load/store left/right
1316 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1317 AdditionalPredicates = [NotInMicroMips] in {
1318 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1319 ISA_MIPS1_NOT_32R6_64R6;
1320 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1321 ISA_MIPS1_NOT_32R6_64R6;
1322 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1323 ISA_MIPS1_NOT_32R6_64R6;
1324 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1325 ISA_MIPS1_NOT_32R6_64R6;
1328 let AdditionalPredicates = [NotInMicroMips] in {
1329 // COP2 Memory Instructions
1330 def LWC2 : LW_FT2<"lwc2", COP2Opnd, NoItinerary, load>, LW_FM<0x32>,
1331 ISA_MIPS1_NOT_32R6_64R6;
1332 def SWC2 : SW_FT2<"swc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3a>,
1333 ISA_MIPS1_NOT_32R6_64R6;
1334 def LDC2 : LW_FT2<"ldc2", COP2Opnd, NoItinerary, load>, LW_FM<0x36>,
1335 ISA_MIPS2_NOT_32R6_64R6;
1336 def SDC2 : SW_FT2<"sdc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3e>,
1337 ISA_MIPS2_NOT_32R6_64R6;
1339 // COP3 Memory Instructions
1340 let DecoderNamespace = "COP3_" in {
1341 def LWC3 : LW_FT3<"lwc3", COP3Opnd, NoItinerary, load>, LW_FM<0x33>;
1342 def SWC3 : SW_FT3<"swc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3b>;
1343 def LDC3 : LW_FT3<"ldc3", COP3Opnd, NoItinerary, load>, LW_FM<0x37>,
1345 def SDC3 : SW_FT3<"sdc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3f>,
1350 def SYNC : MMRel, StdMMR6Rel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
1351 def SYNCI : MMRel, StdMMR6Rel, SYNCI_FT<"synci">, SYNCI_FM, ISA_MIPS32R2;
1353 let AdditionalPredicates = [NotInMicroMips] in {
1354 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>, ISA_MIPS2;
1355 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>, ISA_MIPS2;
1356 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>, ISA_MIPS2;
1357 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>, ISA_MIPS2;
1358 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>, ISA_MIPS2;
1359 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>, ISA_MIPS2;
1362 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1363 ISA_MIPS2_NOT_32R6_64R6;
1364 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1365 ISA_MIPS2_NOT_32R6_64R6;
1366 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1367 ISA_MIPS2_NOT_32R6_64R6;
1368 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1369 ISA_MIPS2_NOT_32R6_64R6;
1370 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1371 ISA_MIPS2_NOT_32R6_64R6;
1372 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1373 ISA_MIPS2_NOT_32R6_64R6;
1375 let AdditionalPredicates = [NotInMicroMips] in {
1376 def BREAK : MMRel, StdMMR6Rel, BRK_FT<"break">, BRK_FM<0xd>;
1378 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1379 def TRAP : TrapBase<BREAK>;
1380 def SDBBP : MMRel, SYS_FT<"sdbbp">, SDBBP_FM, ISA_MIPS32_NOT_32R6_64R6;
1382 let AdditionalPredicates = [NotInMicroMips] in {
1383 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18, 0x0>, INSN_MIPS3_32;
1384 def ERETNC : MMRel, ER_FT<"eretnc">, ER_FM<0x18, 0x1>, ISA_MIPS32R5;
1386 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f, 0x0>, ISA_MIPS32;
1388 let AdditionalPredicates = [NotInMicroMips] in {
1389 def EI : MMRel, StdMMR6Rel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1391 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1393 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1394 AdditionalPredicates = [NotInMicroMips] in {
1395 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1397 /// Load-linked, Store-conditional
1398 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2_NOT_32R6_64R6;
1399 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2_NOT_32R6_64R6;
1402 /// Jump and Branch Instructions
1403 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1404 AdditionalRequires<[RelocStatic]>, IsBranch;
1405 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1406 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1407 def BEQL : MMRel, CBranch<"beql", brtarget, seteq, GPR32Opnd, 0>,
1408 BEQ_FM<20>, ISA_MIPS2_NOT_32R6_64R6;
1409 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1410 def BNEL : MMRel, CBranch<"bnel", brtarget, setne, GPR32Opnd, 0>,
1411 BEQ_FM<21>, ISA_MIPS2_NOT_32R6_64R6;
1412 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1414 def BGEZL : MMRel, CBranchZero<"bgezl", brtarget, setge, GPR32Opnd, 0>,
1415 BGEZ_FM<1, 3>, ISA_MIPS2_NOT_32R6_64R6;
1416 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1418 def BGTZL : MMRel, CBranchZero<"bgtzl", brtarget, setgt, GPR32Opnd, 0>,
1419 BGEZ_FM<23, 0>, ISA_MIPS2_NOT_32R6_64R6;
1420 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1422 def BLEZL : MMRel, CBranchZero<"blezl", brtarget, setle, GPR32Opnd, 0>,
1423 BGEZ_FM<22, 0>, ISA_MIPS2_NOT_32R6_64R6;
1424 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1426 def BLTZL : MMRel, CBranchZero<"bltzl", brtarget, setlt, GPR32Opnd, 0>,
1427 BGEZ_FM<1, 2>, ISA_MIPS2_NOT_32R6_64R6;
1428 def B : UncondBranch<BEQ>;
1430 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1431 let AdditionalPredicates = [NotInMicroMips] in {
1432 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1433 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1436 def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
1437 ISA_MIPS32_NOT_32R6_64R6;
1438 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
1439 ISA_MIPS1_NOT_32R6_64R6;
1440 def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
1441 BGEZAL_FM<0x13>, ISA_MIPS2_NOT_32R6_64R6;
1442 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>,
1443 ISA_MIPS1_NOT_32R6_64R6;
1444 def BLTZALL : MMRel, BGEZAL_FT<"bltzall", brtarget, GPR32Opnd, 0>,
1445 BGEZAL_FM<0x12>, ISA_MIPS2_NOT_32R6_64R6;
1446 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1447 def TAILCALL : TailCall<J>;
1448 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1450 // Indirect branches are matched as PseudoIndirectBranch/PseudoIndirectBranch64
1451 // then are expanded to JR, JR64, JALR, or JALR64 depending on the ISA.
1452 class PseudoIndirectBranchBase<RegisterOperand RO> :
1453 MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)],
1454 II_IndirectBranchPseudo> {
1457 let hasDelaySlot = 1;
1459 let isIndirectBranch = 1;
1462 def PseudoIndirectBranch : PseudoIndirectBranchBase<GPR32Opnd>;
1464 // Return instructions are matched as a RetRA instruction, then are expanded
1465 // into PseudoReturn/PseudoReturn64 after register allocation. Finally,
1466 // MipsAsmPrinter expands this into JR, JR64, JALR, or JALR64 depending on the
1468 class PseudoReturnBase<RegisterOperand RO> : MipsPseudo<(outs), (ins RO:$rs),
1469 [], II_ReturnPseudo> {
1470 let isTerminator = 1;
1472 let hasDelaySlot = 1;
1474 let isCodeGenOnly = 1;
1476 let hasExtraSrcRegAllocReq = 1;
1479 def PseudoReturn : PseudoReturnBase<GPR32Opnd>;
1481 // Exception handling related node and instructions.
1482 // The conversion sequence is:
1483 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1484 // MIPSeh_return -> (stack change + indirect branch)
1486 // MIPSeh_return takes the place of regular return instruction
1487 // but takes two arguments (V1, V0) which are used for storing
1488 // the offset and return address respectively.
1489 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1491 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1492 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1494 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1495 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1496 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1497 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1499 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1502 /// Multiply and Divide Instructions.
1503 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1504 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1505 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1506 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1507 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1508 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1509 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1510 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1512 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1513 ISA_MIPS1_NOT_32R6_64R6;
1514 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1515 ISA_MIPS1_NOT_32R6_64R6;
1516 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1517 AdditionalPredicates = [NotInMicroMips] in {
1518 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1519 ISA_MIPS1_NOT_32R6_64R6;
1520 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1521 ISA_MIPS1_NOT_32R6_64R6;
1524 /// Sign Ext In Register Instructions.
1525 def SEB : MMRel, StdMMR6Rel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1526 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1527 def SEH : MMRel, StdMMR6Rel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1528 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1531 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>,
1532 ISA_MIPS32_NOT_32R6_64R6;
1533 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>,
1534 ISA_MIPS32_NOT_32R6_64R6;
1536 let AdditionalPredicates = [NotInMicroMips] in {
1537 /// Word Swap Bytes Within Halfwords
1538 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd, II_WSBH>, SEB_FM<2, 0x20>,
1543 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1545 // FrameIndexes are legalized when they are operands from load/store
1546 // instructions. The same not happens for stack address copies, so an
1547 // add op with mem ComplexPattern is used and the stack address copy
1548 // can be matched. It's similar to Sparc LEA_ADDRi
1549 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1552 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1553 ISA_MIPS32_NOT_32R6_64R6;
1554 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1555 ISA_MIPS32_NOT_32R6_64R6;
1556 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1557 ISA_MIPS32_NOT_32R6_64R6;
1558 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1559 ISA_MIPS32_NOT_32R6_64R6;
1561 let AdditionalPredicates = [NotDSP] in {
1562 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1563 ISA_MIPS1_NOT_32R6_64R6;
1564 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1565 ISA_MIPS1_NOT_32R6_64R6;
1566 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1567 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1568 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1569 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1570 ISA_MIPS32_NOT_32R6_64R6;
1571 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1572 ISA_MIPS32_NOT_32R6_64R6;
1573 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1574 ISA_MIPS32_NOT_32R6_64R6;
1575 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1576 ISA_MIPS32_NOT_32R6_64R6;
1579 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1580 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1581 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1582 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1583 let AdditionalPredicates = [NotInMicroMips] in {
1584 def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1586 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1587 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1589 /// Move Control Registers From/To CPU Registers
1590 def MFC0 : MFC3OP<"mfc0", GPR32Opnd, COP0Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1591 def MTC0 : MTC3OP<"mtc0", COP0Opnd, GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1592 def MFC2 : MFC3OP<"mfc2", GPR32Opnd, COP2Opnd>, MFC3OP_FM<0x12, 0>;
1593 def MTC2 : MTC3OP<"mtc2", COP2Opnd, GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1595 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1597 def SSNOP : MMRel, StdMMR6Rel, Barrier<"ssnop">, BARRIER_FM<1>;
1598 def EHB : MMRel, Barrier<"ehb">, BARRIER_FM<3>;
1599 def PAUSE : MMRel, StdMMR6Rel, Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1601 // JR_HB and JALR_HB are defined here using the new style naming
1602 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1603 // and because of that it doesn't follow the naming convention of the
1604 // rest of the file. To avoid a mixture of old vs new style, the new
1605 // style was chosen.
1606 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1607 dag OutOperandList = (outs);
1608 dag InOperandList = (ins GPROpnd:$rs);
1609 string AsmString = !strconcat(instr_asm, "\t$rs");
1610 list<dag> Pattern = [];
1613 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1614 dag OutOperandList = (outs GPROpnd:$rd);
1615 dag InOperandList = (ins GPROpnd:$rs);
1616 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1617 list<dag> Pattern = [];
1620 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1621 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1623 let isIndirectBranch=1;
1629 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1630 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1631 let isIndirectBranch=1;
1635 class JR_HB_ENC : JR_HB_FM<8>;
1636 class JALR_HB_ENC : JALR_HB_FM<9>;
1638 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1639 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1641 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1643 def TLBP : MMRel, TLB<"tlbp">, COP0_TLB_FM<0x08>;
1644 def TLBR : MMRel, TLB<"tlbr">, COP0_TLB_FM<0x01>;
1645 def TLBWI : MMRel, TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1646 def TLBWR : MMRel, TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1648 class CacheOp<string instr_asm, Operand MemOpnd> :
1649 InstSE<(outs), (ins MemOpnd:$addr, uimm5:$hint),
1650 !strconcat(instr_asm, "\t$hint, $addr"), [], NoItinerary, FrmOther,
1652 let DecoderMethod = "DecodeCacheOp";
1655 def CACHE : MMRel, CacheOp<"cache", mem>, CACHEOP_FM<0b101111>,
1656 INSN_MIPS3_32_NOT_32R6_64R6;
1657 def PREF : MMRel, CacheOp<"pref", mem>, CACHEOP_FM<0b110011>,
1658 INSN_MIPS3_32_NOT_32R6_64R6;
1660 //===----------------------------------------------------------------------===//
1661 // Instruction aliases
1662 //===----------------------------------------------------------------------===//
1663 def : MipsInstAlias<"move $dst, $src",
1664 (OR GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1666 let AdditionalPredicates = [NotInMicroMips];
1668 def : MipsInstAlias<"move $dst, $src",
1669 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1671 let AdditionalPredicates = [NotInMicroMips];
1673 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>,
1674 ISA_MIPS1_NOT_32R6_64R6;
1675 def : MipsInstAlias<"addu $rs, $rt, $imm",
1676 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1677 def : MipsInstAlias<"addu $rs, $imm",
1678 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1679 def : MipsInstAlias<"add $rs, $rt, $imm",
1680 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>,
1681 ISA_MIPS1_NOT_32R6_64R6;
1682 def : MipsInstAlias<"add $rs, $imm",
1683 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>,
1684 ISA_MIPS1_NOT_32R6_64R6;
1685 def : MipsInstAlias<"and $rs, $rt, $imm",
1686 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1687 def : MipsInstAlias<"and $rs, $imm",
1688 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1689 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1690 let Predicates = [NotInMicroMips] in {
1691 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1693 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1694 def : MipsInstAlias<"not $rt, $rs",
1695 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1696 def : MipsInstAlias<"neg $rt, $rs",
1697 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1698 def : MipsInstAlias<"negu $rt",
1699 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1700 def : MipsInstAlias<"negu $rt, $rs",
1701 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1702 def : MipsInstAlias<"slt $rs, $rt, $imm",
1703 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1704 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1705 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1706 def : MipsInstAlias<"xor $rs, $rt, $imm",
1707 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1708 def : MipsInstAlias<"xor $rs, $imm",
1709 (XORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1710 def : MipsInstAlias<"or $rs, $rt, $imm",
1711 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1712 def : MipsInstAlias<"or $rs, $imm",
1713 (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1714 let AdditionalPredicates = [NotInMicroMips] in {
1715 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1717 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, COP0Opnd:$rd, 0), 0>;
1718 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 COP0Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1719 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, COP2Opnd:$rd, 0), 0>;
1720 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 COP2Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1721 let AdditionalPredicates = [NotInMicroMips] in {
1722 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1724 def : MipsInstAlias<"bnez $rs,$offset",
1725 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1726 def : MipsInstAlias<"bnezl $rs,$offset",
1727 (BNEL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1728 def : MipsInstAlias<"beqz $rs,$offset",
1729 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1730 def : MipsInstAlias<"beqzl $rs,$offset",
1731 (BEQL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1732 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1734 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1735 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1736 let AdditionalPredicates = [NotInMicroMips] in {
1737 def : MipsInstAlias<"ei", (EI ZERO), 1>, ISA_MIPS32R2;
1739 def : MipsInstAlias<"di", (DI ZERO), 1>, ISA_MIPS32R2;
1740 let AdditionalPredicates = [NotInMicroMips] in {
1741 def : MipsInstAlias<"teq $rs, $rt",
1742 (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1743 def : MipsInstAlias<"tge $rs, $rt",
1744 (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1745 def : MipsInstAlias<"tgeu $rs, $rt",
1746 (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1747 def : MipsInstAlias<"tlt $rs, $rt",
1748 (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1749 def : MipsInstAlias<"tltu $rs, $rt",
1750 (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1751 def : MipsInstAlias<"tne $rs, $rt",
1752 (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1754 def : MipsInstAlias<"sll $rd, $rt, $rs",
1755 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1756 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1757 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1758 InvertedImOperand:$imm), 0>, ISA_MIPS1_NOT_32R6_64R6;
1759 def : MipsInstAlias<"sub $rs, $imm",
1760 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1761 0>, ISA_MIPS1_NOT_32R6_64R6;
1762 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1763 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1764 InvertedImOperand:$imm), 0>;
1765 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1766 InvertedImOperand:$imm), 0>;
1767 def : MipsInstAlias<"sra $rd, $rt, $rs",
1768 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1769 def : MipsInstAlias<"srl $rd, $rt, $rs",
1770 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1771 def : MipsInstAlias<"sdbbp", (SDBBP 0)>, ISA_MIPS32_NOT_32R6_64R6;
1772 def : MipsInstAlias<"sync",
1773 (SYNC 0), 1>, ISA_MIPS2;
1774 //===----------------------------------------------------------------------===//
1775 // Assembler Pseudo Instructions
1776 //===----------------------------------------------------------------------===//
1778 class LoadImmediate32<string instr_asm, Operand Od, RegisterOperand RO> :
1779 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1780 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1781 def LoadImm32 : LoadImmediate32<"li", uimm5, GPR32Opnd>;
1783 class LoadAddressFromReg32<string instr_asm, Operand MemOpnd,
1784 RegisterOperand RO> :
1785 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1786 !strconcat(instr_asm, "\t$rt, $addr")> ;
1787 def LoadAddrReg32 : LoadAddressFromReg32<"la", mem, GPR32Opnd>;
1789 class LoadAddressFromImm32<string instr_asm, Operand Od, RegisterOperand RO> :
1790 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1791 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1792 def LoadAddrImm32 : LoadAddressFromImm32<"la", uimm5, GPR32Opnd>;
1794 def JalTwoReg : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rs),
1796 def JalOneReg : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs),
1799 def NORImm : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm),
1800 "nor\t$rs, $rt, $imm"> ;
1802 let hasDelaySlot = 1 in {
1803 def BneImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1804 (ins imm64:$imm64, brtarget:$offset),
1805 "bne\t$rt, $imm64, $offset">;
1806 def BeqImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1807 (ins imm64:$imm64, brtarget:$offset),
1808 "beq\t$rt, $imm64, $offset">;
1810 class CondBranchPseudo<string instr_asm> :
1811 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt,
1813 !strconcat(instr_asm, "\t$rs, $rt, $offset")>;
1816 def BLT : CondBranchPseudo<"blt">;
1817 def BLE : CondBranchPseudo<"ble">;
1818 def BGE : CondBranchPseudo<"bge">;
1819 def BGT : CondBranchPseudo<"bgt">;
1820 def BLTU : CondBranchPseudo<"bltu">;
1821 def BLEU : CondBranchPseudo<"bleu">;
1822 def BGEU : CondBranchPseudo<"bgeu">;
1823 def BGTU : CondBranchPseudo<"bgtu">;
1824 def BLTL : CondBranchPseudo<"bltl">, ISA_MIPS2_NOT_32R6_64R6;
1825 def BLEL : CondBranchPseudo<"blel">, ISA_MIPS2_NOT_32R6_64R6;
1826 def BGEL : CondBranchPseudo<"bgel">, ISA_MIPS2_NOT_32R6_64R6;
1827 def BGTL : CondBranchPseudo<"bgtl">, ISA_MIPS2_NOT_32R6_64R6;
1828 def BLTUL: CondBranchPseudo<"bltul">, ISA_MIPS2_NOT_32R6_64R6;
1829 def BLEUL: CondBranchPseudo<"bleul">, ISA_MIPS2_NOT_32R6_64R6;
1830 def BGEUL: CondBranchPseudo<"bgeul">, ISA_MIPS2_NOT_32R6_64R6;
1831 def BGTUL: CondBranchPseudo<"bgtul">, ISA_MIPS2_NOT_32R6_64R6;
1833 class CondBranchImmPseudo<string instr_asm> :
1834 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, imm64:$imm, brtarget:$offset),
1835 !strconcat(instr_asm, "\t$rs, $imm, $offset")>;
1837 def BLTImmMacro : CondBranchImmPseudo<"blt">;
1838 def BLEImmMacro : CondBranchImmPseudo<"ble">;
1839 def BGEImmMacro : CondBranchImmPseudo<"bge">;
1840 def BGTImmMacro : CondBranchImmPseudo<"bgt">;
1841 def BLTUImmMacro : CondBranchImmPseudo<"bltu">;
1842 def BLEUImmMacro : CondBranchImmPseudo<"bleu">;
1843 def BGEUImmMacro : CondBranchImmPseudo<"bgeu">;
1844 def BGTUImmMacro : CondBranchImmPseudo<"bgtu">;
1845 def BLTLImmMacro : CondBranchImmPseudo<"bltl">, ISA_MIPS2_NOT_32R6_64R6;
1846 def BLELImmMacro : CondBranchImmPseudo<"blel">, ISA_MIPS2_NOT_32R6_64R6;
1847 def BGELImmMacro : CondBranchImmPseudo<"bgel">, ISA_MIPS2_NOT_32R6_64R6;
1848 def BGTLImmMacro : CondBranchImmPseudo<"bgtl">, ISA_MIPS2_NOT_32R6_64R6;
1849 def BLTULImmMacro : CondBranchImmPseudo<"bltul">, ISA_MIPS2_NOT_32R6_64R6;
1850 def BLEULImmMacro : CondBranchImmPseudo<"bleul">, ISA_MIPS2_NOT_32R6_64R6;
1851 def BGEULImmMacro : CondBranchImmPseudo<"bgeul">, ISA_MIPS2_NOT_32R6_64R6;
1852 def BGTULImmMacro : CondBranchImmPseudo<"bgtul">, ISA_MIPS2_NOT_32R6_64R6;
1854 // FIXME: Predicates are removed because instructions are matched regardless of
1855 // predicates, because PredicateControl was not in the hierarchy. This was
1856 // done to emit more precise error message from expansion function.
1857 // Once the tablegen-erated errors are made better, this needs to be fixed and
1858 // predicates needs to be restored.
1860 def SDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1861 "div\t$rs, $rt">; //, ISA_MIPS1_NOT_32R6_64R6;
1863 def UDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1864 "divu\t$rs, $rt">; //, ISA_MIPS1_NOT_32R6_64R6;
1866 def DSDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1867 "ddiv\t$rs, $rt">; //, ISA_MIPS64_NOT_64R6;
1869 def DUDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1870 "ddivu\t$rs, $rt">; //, ISA_MIPS64_NOT_64R6;
1872 def Ulh : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1873 "ulh\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1875 def Ulhu : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1876 "ulhu\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1878 def Ulw : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1879 "ulw\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1881 //===----------------------------------------------------------------------===//
1882 // Arbitrary patterns that map to one or more instructions
1883 //===----------------------------------------------------------------------===//
1885 // Load/store pattern templates.
1886 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1887 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1889 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1890 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1893 let AdditionalPredicates = [NotInMicroMips] in {
1894 def : MipsPat<(i32 immSExt16:$in),
1895 (ADDiu ZERO, imm:$in)>;
1896 def : MipsPat<(i32 immZExt16:$in),
1897 (ORi ZERO, imm:$in)>;
1899 def : MipsPat<(i32 immLow16Zero:$in),
1900 (LUi (HI16 imm:$in))>;
1902 // Arbitrary immediates
1903 def : MipsPat<(i32 imm:$imm),
1904 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1906 // Carry MipsPatterns
1907 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1908 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1909 let AdditionalPredicates = [NotDSP] in {
1910 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1911 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1912 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1913 (ADDiu GPR32:$src, imm:$imm)>;
1916 // Support multiplication for pre-Mips32 targets that don't have
1917 // the MUL instruction.
1918 def : MipsPat<(mul GPR32:$lhs, GPR32:$rhs),
1919 (PseudoMFLO (PseudoMULT GPR32:$lhs, GPR32:$rhs))>,
1920 ISA_MIPS1_NOT_32R6_64R6;
1923 def : MipsPat<(MipsSync (i32 immz)),
1924 (SYNC 0)>, ISA_MIPS2;
1927 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1928 (JAL tglobaladdr:$dst)>;
1929 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1930 (JAL texternalsym:$dst)>;
1931 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1932 // (JALR GPR32:$dst)>;
1935 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1936 (TAILCALL tglobaladdr:$dst)>;
1937 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1938 (TAILCALL texternalsym:$dst)>;
1940 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1941 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1942 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1943 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1944 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1945 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1947 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1948 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1949 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1950 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1951 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1952 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1954 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1955 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1956 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1957 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1958 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1959 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1960 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1961 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1962 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1963 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1966 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1967 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1968 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1969 (ADDiu GPR32:$gp, tconstpool:$in)>;
1972 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1973 MipsPat<(MipsWrapper RC:$gp, node:$in),
1974 (ADDiuOp RC:$gp, node:$in)>;
1976 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1977 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1978 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1979 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1980 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1981 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1983 let AdditionalPredicates = [NotInMicroMips] in {
1984 // Mips does not have "not", so we expand our way
1985 def : MipsPat<(not GPR32:$in),
1986 (NOR GPR32Opnd:$in, ZERO)>;
1990 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1991 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1992 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1995 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1998 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1999 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
2000 Instruction SLTiuOp, Register ZEROReg> {
2001 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
2002 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
2003 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
2004 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
2006 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
2007 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
2008 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
2009 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
2010 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
2011 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
2012 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
2013 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
2014 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
2015 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
2016 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
2017 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
2019 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
2020 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
2021 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
2022 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
2024 def : MipsPat<(brcond RC:$cond, bb:$dst),
2025 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
2028 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
2030 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
2031 (BLEZ i32:$lhs, bb:$dst)>;
2032 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
2033 (BGEZ i32:$lhs, bb:$dst)>;
2036 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
2037 Instruction SLTuOp, Register ZEROReg> {
2038 def : MipsPat<(seteq RC:$lhs, 0),
2039 (SLTiuOp RC:$lhs, 1)>;
2040 def : MipsPat<(setne RC:$lhs, 0),
2041 (SLTuOp ZEROReg, RC:$lhs)>;
2042 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
2043 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
2044 def : MipsPat<(setne RC:$lhs, RC:$rhs),
2045 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
2048 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2049 def : MipsPat<(setle RC:$lhs, RC:$rhs),
2050 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
2051 def : MipsPat<(setule RC:$lhs, RC:$rhs),
2052 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
2055 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2056 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
2057 (SLTOp RC:$rhs, RC:$lhs)>;
2058 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
2059 (SLTuOp RC:$rhs, RC:$lhs)>;
2062 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2063 def : MipsPat<(setge RC:$lhs, RC:$rhs),
2064 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
2065 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
2066 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
2069 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
2070 Instruction SLTiuOp> {
2071 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
2072 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
2073 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
2074 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
2077 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
2078 defm : SetlePats<GPR32, SLT, SLTu>;
2079 defm : SetgtPats<GPR32, SLT, SLTu>;
2080 defm : SetgePats<GPR32, SLT, SLTu>;
2081 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
2084 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
2086 // Load halfword/word patterns.
2087 let AddedComplexity = 40 in {
2088 def : LoadRegImmPat<LBu, i32, zextloadi8>;
2089 def : LoadRegImmPat<LH, i32, sextloadi16>;
2090 let AdditionalPredicates = [NotInMicroMips] in {
2091 def : LoadRegImmPat<LW, i32, load>;
2095 // Atomic load patterns.
2096 def : MipsPat<(atomic_load_8 addr:$a), (LB addr:$a)>;
2097 def : MipsPat<(atomic_load_16 addr:$a), (LH addr:$a)>;
2098 def : MipsPat<(atomic_load_32 addr:$a), (LW addr:$a)>;
2100 // Atomic store patterns.
2101 def : MipsPat<(atomic_store_8 addr:$a, GPR32:$v), (SB GPR32:$v, addr:$a)>;
2102 def : MipsPat<(atomic_store_16 addr:$a, GPR32:$v), (SH GPR32:$v, addr:$a)>;
2103 def : MipsPat<(atomic_store_32 addr:$a, GPR32:$v), (SW GPR32:$v, addr:$a)>;
2105 //===----------------------------------------------------------------------===//
2106 // Floating Point Support
2107 //===----------------------------------------------------------------------===//
2109 include "MipsInstrFPU.td"
2110 include "Mips64InstrInfo.td"
2111 include "MipsCondMov.td"
2113 include "Mips32r6InstrInfo.td"
2114 include "Mips64r6InstrInfo.td"
2119 include "Mips16InstrFormats.td"
2120 include "Mips16InstrInfo.td"
2123 include "MipsDSPInstrFormats.td"
2124 include "MipsDSPInstrInfo.td"
2127 include "MipsMSAInstrFormats.td"
2128 include "MipsMSAInstrInfo.td"
2131 include "MipsEVAInstrFormats.td"
2132 include "MipsEVAInstrInfo.td"
2135 include "MicroMipsInstrFormats.td"
2136 include "MicroMipsInstrInfo.td"
2137 include "MicroMipsInstrFPU.td"
2140 include "MicroMips32r6InstrFormats.td"
2141 include "MicroMips32r6InstrInfo.td"
2144 include "MicroMips64r6InstrFormats.td"
2145 include "MicroMips64r6InstrInfo.td"
2148 include "MicroMipsDSPInstrFormats.td"
2149 include "MicroMipsDSPInstrInfo.td"