1 //===- MipsInstrInfo.td - Target Description for Mips Target -*- tablegen -*-=//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file contains the Mips implementation of the TargetInstrInfo class.
12 //===----------------------------------------------------------------------===//
15 //===----------------------------------------------------------------------===//
16 // Mips profiles and nodes
17 //===----------------------------------------------------------------------===//
19 def SDT_MipsJmpLink : SDTypeProfile<0, 1, [SDTCisVT<0, iPTR>]>;
20 def SDT_MipsCMov : SDTypeProfile<1, 4, [SDTCisSameAs<0, 1>,
24 def SDT_MipsCallSeqStart : SDCallSeqStart<[SDTCisVT<0, i32>]>;
25 def SDT_MipsCallSeqEnd : SDCallSeqEnd<[SDTCisVT<0, i32>, SDTCisVT<1, i32>]>;
26 def SDT_MFLOHI : SDTypeProfile<1, 1, [SDTCisInt<0>, SDTCisVT<1, untyped>]>;
27 def SDT_MTLOHI : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>,
28 SDTCisInt<1>, SDTCisSameAs<1, 2>]>;
29 def SDT_MipsMultDiv : SDTypeProfile<1, 2, [SDTCisVT<0, untyped>, SDTCisInt<1>,
31 def SDT_MipsMAddMSub : SDTypeProfile<1, 3,
32 [SDTCisVT<0, untyped>, SDTCisSameAs<0, 3>,
33 SDTCisVT<1, i32>, SDTCisSameAs<1, 2>]>;
34 def SDT_MipsDivRem16 : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisSameAs<0, 1>]>;
36 def SDT_MipsThreadPointer : SDTypeProfile<1, 0, [SDTCisPtrTy<0>]>;
38 def SDT_Sync : SDTypeProfile<0, 1, [SDTCisVT<0, i32>]>;
40 def SDT_Ext : SDTypeProfile<1, 3, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
41 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>]>;
42 def SDT_Ins : SDTypeProfile<1, 4, [SDTCisInt<0>, SDTCisSameAs<0, 1>,
43 SDTCisVT<2, i32>, SDTCisSameAs<2, 3>,
46 def SDTMipsLoadLR : SDTypeProfile<1, 2,
47 [SDTCisInt<0>, SDTCisPtrTy<1>,
51 def MipsJmpLink : SDNode<"MipsISD::JmpLink",SDT_MipsJmpLink,
52 [SDNPHasChain, SDNPOutGlue, SDNPOptInGlue,
56 def MipsTailCall : SDNode<"MipsISD::TailCall", SDT_MipsJmpLink,
57 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
59 // Hi and Lo nodes are used to handle global addresses. Used on
60 // MipsISelLowering to lower stuff like GlobalAddress, ExternalSymbol
61 // static model. (nothing to do with Mips Registers Hi and Lo)
62 def MipsHi : SDNode<"MipsISD::Hi", SDTIntUnaryOp>;
63 def MipsLo : SDNode<"MipsISD::Lo", SDTIntUnaryOp>;
64 def MipsGPRel : SDNode<"MipsISD::GPRel", SDTIntUnaryOp>;
66 // TlsGd node is used to handle General Dynamic TLS
67 def MipsTlsGd : SDNode<"MipsISD::TlsGd", SDTIntUnaryOp>;
69 // TprelHi and TprelLo nodes are used to handle Local Exec TLS
70 def MipsTprelHi : SDNode<"MipsISD::TprelHi", SDTIntUnaryOp>;
71 def MipsTprelLo : SDNode<"MipsISD::TprelLo", SDTIntUnaryOp>;
74 def MipsThreadPointer: SDNode<"MipsISD::ThreadPointer", SDT_MipsThreadPointer>;
77 def MipsRet : SDNode<"MipsISD::Ret", SDTNone,
78 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
80 // These are target-independent nodes, but have target-specific formats.
81 def callseq_start : SDNode<"ISD::CALLSEQ_START", SDT_MipsCallSeqStart,
82 [SDNPHasChain, SDNPSideEffect, SDNPOutGlue]>;
83 def callseq_end : SDNode<"ISD::CALLSEQ_END", SDT_MipsCallSeqEnd,
84 [SDNPHasChain, SDNPSideEffect,
85 SDNPOptInGlue, SDNPOutGlue]>;
87 // Nodes used to extract LO/HI registers.
88 def MipsMFHI : SDNode<"MipsISD::MFHI", SDT_MFLOHI>;
89 def MipsMFLO : SDNode<"MipsISD::MFLO", SDT_MFLOHI>;
91 // Node used to insert 32-bit integers to LOHI register pair.
92 def MipsMTLOHI : SDNode<"MipsISD::MTLOHI", SDT_MTLOHI>;
95 def MipsMult : SDNode<"MipsISD::Mult", SDT_MipsMultDiv>;
96 def MipsMultu : SDNode<"MipsISD::Multu", SDT_MipsMultDiv>;
99 def MipsMAdd : SDNode<"MipsISD::MAdd", SDT_MipsMAddMSub>;
100 def MipsMAddu : SDNode<"MipsISD::MAddu", SDT_MipsMAddMSub>;
101 def MipsMSub : SDNode<"MipsISD::MSub", SDT_MipsMAddMSub>;
102 def MipsMSubu : SDNode<"MipsISD::MSubu", SDT_MipsMAddMSub>;
105 def MipsDivRem : SDNode<"MipsISD::DivRem", SDT_MipsMultDiv>;
106 def MipsDivRemU : SDNode<"MipsISD::DivRemU", SDT_MipsMultDiv>;
107 def MipsDivRem16 : SDNode<"MipsISD::DivRem16", SDT_MipsDivRem16,
109 def MipsDivRemU16 : SDNode<"MipsISD::DivRemU16", SDT_MipsDivRem16,
112 // Target constant nodes that are not part of any isel patterns and remain
113 // unchanged can cause instructions with illegal operands to be emitted.
114 // Wrapper node patterns give the instruction selector a chance to replace
115 // target constant nodes that would otherwise remain unchanged with ADDiu
116 // nodes. Without these wrapper node patterns, the following conditional move
117 // instruction is emitted when function cmov2 in test/CodeGen/Mips/cmov.ll is
119 // movn %got(d)($gp), %got(c)($gp), $4
120 // This instruction is illegal since movn can take only register operands.
122 def MipsWrapper : SDNode<"MipsISD::Wrapper", SDTIntBinOp>;
124 def MipsSync : SDNode<"MipsISD::Sync", SDT_Sync, [SDNPHasChain,SDNPSideEffect]>;
126 def MipsExt : SDNode<"MipsISD::Ext", SDT_Ext>;
127 def MipsIns : SDNode<"MipsISD::Ins", SDT_Ins>;
129 def MipsLWL : SDNode<"MipsISD::LWL", SDTMipsLoadLR,
130 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
131 def MipsLWR : SDNode<"MipsISD::LWR", SDTMipsLoadLR,
132 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
133 def MipsSWL : SDNode<"MipsISD::SWL", SDTStore,
134 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
135 def MipsSWR : SDNode<"MipsISD::SWR", SDTStore,
136 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
137 def MipsLDL : SDNode<"MipsISD::LDL", SDTMipsLoadLR,
138 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
139 def MipsLDR : SDNode<"MipsISD::LDR", SDTMipsLoadLR,
140 [SDNPHasChain, SDNPMayLoad, SDNPMemOperand]>;
141 def MipsSDL : SDNode<"MipsISD::SDL", SDTStore,
142 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
143 def MipsSDR : SDNode<"MipsISD::SDR", SDTStore,
144 [SDNPHasChain, SDNPMayStore, SDNPMemOperand]>;
146 //===----------------------------------------------------------------------===//
147 // Mips Instruction Predicate Definitions.
148 //===----------------------------------------------------------------------===//
149 def HasMips2 : Predicate<"Subtarget->hasMips2()">,
150 AssemblerPredicate<"FeatureMips2">;
151 def HasMips3_32 : Predicate<"Subtarget->hasMips3_32()">,
152 AssemblerPredicate<"FeatureMips3_32">;
153 def HasMips3_32r2 : Predicate<"Subtarget->hasMips3_32r2()">,
154 AssemblerPredicate<"FeatureMips3_32r2">;
155 def HasMips3 : Predicate<"Subtarget->hasMips3()">,
156 AssemblerPredicate<"FeatureMips3">;
157 def HasMips4_32 : Predicate<"Subtarget->hasMips4_32()">,
158 AssemblerPredicate<"FeatureMips4_32">;
159 def NotMips4_32 : Predicate<"!Subtarget->hasMips4_32()">,
160 AssemblerPredicate<"!FeatureMips4_32">;
161 def HasMips4_32r2 : Predicate<"Subtarget->hasMips4_32r2()">,
162 AssemblerPredicate<"FeatureMips4_32r2">;
163 def HasMips5_32r2 : Predicate<"Subtarget->hasMips5_32r2()">,
164 AssemblerPredicate<"FeatureMips5_32r2">;
165 def HasMips32 : Predicate<"Subtarget->hasMips32()">,
166 AssemblerPredicate<"FeatureMips32">;
167 def HasMips32r2 : Predicate<"Subtarget->hasMips32r2()">,
168 AssemblerPredicate<"FeatureMips32r2">;
169 def HasMips32r5 : Predicate<"Subtarget->hasMips32r5()">,
170 AssemblerPredicate<"FeatureMips32r5">;
171 def HasMips32r6 : Predicate<"Subtarget->hasMips32r6()">,
172 AssemblerPredicate<"FeatureMips32r6">;
173 def NotMips32r6 : Predicate<"!Subtarget->hasMips32r6()">,
174 AssemblerPredicate<"!FeatureMips32r6">;
175 def IsGP64bit : Predicate<"Subtarget->isGP64bit()">,
176 AssemblerPredicate<"FeatureGP64Bit">;
177 def IsGP32bit : Predicate<"!Subtarget->isGP64bit()">,
178 AssemblerPredicate<"!FeatureGP64Bit">;
179 def HasMips64 : Predicate<"Subtarget->hasMips64()">,
180 AssemblerPredicate<"FeatureMips64">;
181 def NotMips64 : Predicate<"!Subtarget->hasMips64()">,
182 AssemblerPredicate<"!FeatureMips64">;
183 def HasMips64r2 : Predicate<"Subtarget->hasMips64r2()">,
184 AssemblerPredicate<"FeatureMips64r2">;
185 def HasMips64r6 : Predicate<"Subtarget->hasMips64r6()">,
186 AssemblerPredicate<"FeatureMips64r6">;
187 def NotMips64r6 : Predicate<"!Subtarget->hasMips64r6()">,
188 AssemblerPredicate<"!FeatureMips64r6">;
189 def HasMicroMips32r6 : Predicate<"Subtarget->inMicroMips32r6Mode()">,
190 AssemblerPredicate<"FeatureMicroMips,FeatureMips32r6">;
191 def HasMicroMips64r6 : Predicate<"Subtarget->inMicroMips64r6Mode()">,
192 AssemblerPredicate<"FeatureMicroMips,FeatureMips64r6">;
193 def InMips16Mode : Predicate<"Subtarget->inMips16Mode()">,
194 AssemblerPredicate<"FeatureMips16">;
195 def HasCnMips : Predicate<"Subtarget->hasCnMips()">,
196 AssemblerPredicate<"FeatureCnMips">;
197 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
198 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">;
199 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
200 def HasStdEnc : Predicate<"Subtarget->hasStandardEncoding()">,
201 AssemblerPredicate<"!FeatureMips16">;
202 def NotDSP : Predicate<"!Subtarget->hasDSP()">;
203 def InMicroMips : Predicate<"Subtarget->inMicroMipsMode()">,
204 AssemblerPredicate<"FeatureMicroMips">;
205 def NotInMicroMips : Predicate<"!Subtarget->inMicroMipsMode()">,
206 AssemblerPredicate<"!FeatureMicroMips">;
207 def IsLE : Predicate<"Subtarget->isLittle()">;
208 def IsBE : Predicate<"!Subtarget->isLittle()">;
209 def IsNotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
210 def UseTCCInDIV : AssemblerPredicate<"FeatureUseTCCInDIV">;
211 def HasEVA : Predicate<"Subtarget->hasEVA()">,
212 AssemblerPredicate<"FeatureEVA,FeatureMips32r2">;
213 def HasMSA : Predicate<"Subtarget->hasMSA()">,
214 AssemblerPredicate<"FeatureMSA">;
217 //===----------------------------------------------------------------------===//
218 // Mips GPR size adjectives.
219 // They are mutually exclusive.
220 //===----------------------------------------------------------------------===//
222 class GPR_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
223 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
225 //===----------------------------------------------------------------------===//
226 // Mips ISA/ASE membership and instruction group membership adjectives.
227 // They are mutually exclusive.
228 //===----------------------------------------------------------------------===//
230 // FIXME: I'd prefer to use additive predicates to build the instruction sets
231 // but we are short on assembler feature bits at the moment. Using a
232 // subtractive predicate will hopefully keep us under the 32 predicate
233 // limit long enough to develop an alternative way to handle P1||P2
235 class ISA_MIPS1_NOT_4_32 {
236 list<Predicate> InsnPredicates = [NotMips4_32];
238 class ISA_MIPS1_NOT_32R6_64R6 {
239 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6];
241 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
242 class ISA_MIPS2_NOT_32R6_64R6 {
243 list<Predicate> InsnPredicates = [HasMips2, NotMips32r6, NotMips64r6];
245 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
246 class ISA_MIPS3_NOT_32R6_64R6 {
247 list<Predicate> InsnPredicates = [HasMips3, NotMips32r6, NotMips64r6];
249 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
250 class ISA_MIPS32_NOT_32R6_64R6 {
251 list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
253 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
254 class ISA_MIPS32R2_NOT_32R6_64R6 {
255 list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
257 class ISA_MIPS32R5 { list<Predicate> InsnPredicates = [HasMips32r5]; }
258 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
259 class ISA_MIPS64_NOT_64R6 {
260 list<Predicate> InsnPredicates = [HasMips64, NotMips64r6];
262 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
263 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
264 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
265 class ISA_MICROMIPS { list<Predicate> InsnPredicates = [InMicroMips]; }
266 class ISA_MICROMIPS32R6 {
267 list<Predicate> InsnPredicates = [HasMicroMips32r6];
269 class ISA_MICROMIPS64R6 {
270 list<Predicate> InsnPredicates = [HasMicroMips64r6];
272 class ISA_MICROMIPS32_NOT_MIPS32R6 {
273 list<Predicate> InsnPredicates = [InMicroMips, NotMips32r6];
276 class INSN_EVA { list<Predicate> InsnPredicates = [HasEVA]; }
277 class INSN_EVA_NOT_32R6_64R6 {
278 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6, HasEVA];
281 // The portions of MIPS-III that were also added to MIPS32
282 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
284 // The portions of MIPS-III that were also added to MIPS32 but were removed in
285 // MIPS32r6 and MIPS64r6.
286 class INSN_MIPS3_32_NOT_32R6_64R6 {
287 list<Predicate> InsnPredicates = [HasMips3_32, NotMips32r6, NotMips64r6];
290 // The portions of MIPS-III that were also added to MIPS32
291 class INSN_MIPS3_32R2 { list<Predicate> InsnPredicates = [HasMips3_32r2]; }
293 // The portions of MIPS-IV that were also added to MIPS32 but were removed in
294 // MIPS32r6 and MIPS64r6.
295 class INSN_MIPS4_32_NOT_32R6_64R6 {
296 list<Predicate> InsnPredicates = [HasMips4_32, NotMips32r6, NotMips64r6];
299 // The portions of MIPS-IV that were also added to MIPS32r2 but were removed in
300 // MIPS32r6 and MIPS64r6.
301 class INSN_MIPS4_32R2_NOT_32R6_64R6 {
302 list<Predicate> InsnPredicates = [HasMips4_32r2, NotMips32r6, NotMips64r6];
305 // The portions of MIPS-V that were also added to MIPS32r2 but were removed in
306 // MIPS32r6 and MIPS64r6.
307 class INSN_MIPS5_32R2_NOT_32R6_64R6 {
308 list<Predicate> InsnPredicates = [HasMips5_32r2, NotMips32r6, NotMips64r6];
312 list<Predicate> InsnPredicates = [HasMSA];
315 class ASE_MSA_NOT_MSA64 {
316 list<Predicate> InsnPredicates = [HasMSA, NotMips64];
320 list<Predicate> InsnPredicates = [HasMSA, HasMips64];
323 // Class used for separating microMIPSr6 and microMIPS (r3) instruction.
324 // It can be used only on instructions that doesn't inherit PredicateControl.
325 class ISA_MICROMIPS_NOT_32R6_64R6 : PredicateControl {
326 let InsnPredicates = [InMicroMips, NotMips32r6, NotMips64r6];
329 //===----------------------------------------------------------------------===//
331 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
332 let EncodingPredicates = [HasStdEnc];
335 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
336 InstAlias<Asm, Result, Emit>, PredicateControl;
339 bit isCommutable = 1;
356 bit isTerminator = 1;
359 bit hasExtraSrcRegAllocReq = 1;
360 bit isCodeGenOnly = 1;
363 class IsAsCheapAsAMove {
364 bit isAsCheapAsAMove = 1;
367 class NeverHasSideEffects {
368 bit hasSideEffects = 0;
371 //===----------------------------------------------------------------------===//
372 // Instruction format superclass
373 //===----------------------------------------------------------------------===//
375 include "MipsInstrFormats.td"
377 //===----------------------------------------------------------------------===//
378 // Mips Operand, Complex Patterns and Transformations Definitions.
379 //===----------------------------------------------------------------------===//
381 def MipsJumpTargetAsmOperand : AsmOperandClass {
382 let Name = "JumpTarget";
383 let ParserMethod = "parseJumpTarget";
384 let PredicateMethod = "isImm";
385 let RenderMethod = "addImmOperands";
388 // Instruction operand types
389 def jmptarget : Operand<OtherVT> {
390 let EncoderMethod = "getJumpTargetOpValue";
391 let ParserMatchClass = MipsJumpTargetAsmOperand;
393 def brtarget : Operand<OtherVT> {
394 let EncoderMethod = "getBranchTargetOpValue";
395 let OperandType = "OPERAND_PCREL";
396 let DecoderMethod = "DecodeBranchTarget";
397 let ParserMatchClass = MipsJumpTargetAsmOperand;
399 def calltarget : Operand<iPTR> {
400 let EncoderMethod = "getJumpTargetOpValue";
401 let ParserMatchClass = MipsJumpTargetAsmOperand;
404 def imm64: Operand<i64>;
406 def simm9 : Operand<i32>;
407 def simm10 : Operand<i32>;
408 def simm11 : Operand<i32>;
410 def simm16 : Operand<i32> {
411 let DecoderMethod= "DecodeSimm16";
414 def simm19_lsl2 : Operand<i32> {
415 let EncoderMethod = "getSimm19Lsl2Encoding";
416 let DecoderMethod = "DecodeSimm19Lsl2";
417 let ParserMatchClass = MipsJumpTargetAsmOperand;
420 def simm18_lsl3 : Operand<i32> {
421 let EncoderMethod = "getSimm18Lsl3Encoding";
422 let DecoderMethod = "DecodeSimm18Lsl3";
423 let ParserMatchClass = MipsJumpTargetAsmOperand;
426 def simm20 : Operand<i32> {
429 def uimm20 : Operand<i32> {
432 def MipsUImm10AsmOperand : AsmOperandClass {
434 let RenderMethod = "addImmOperands";
435 let ParserMethod = "parseImm";
436 let PredicateMethod = "isUImm<10>";
439 def uimm10 : Operand<i32> {
440 let ParserMatchClass = MipsUImm10AsmOperand;
443 def simm16_64 : Operand<i64> {
444 let DecoderMethod = "DecodeSimm16";
448 def uimmz : Operand<i32> {
449 let PrintMethod = "printUnsignedImm";
453 def uimm2 : Operand<i32> {
454 let PrintMethod = "printUnsignedImm";
457 def uimm3 : Operand<i32> {
458 let PrintMethod = "printUnsignedImm";
461 def uimm5 : Operand<i32> {
462 let PrintMethod = "printUnsignedImm";
465 def uimm6 : Operand<i32> {
466 let PrintMethod = "printUnsignedImm";
469 def uimm16 : Operand<i32> {
470 let PrintMethod = "printUnsignedImm";
473 def pcrel16 : Operand<i32> {
476 def MipsMemAsmOperand : AsmOperandClass {
478 let ParserMethod = "parseMemOperand";
481 def MipsMemSimm9AsmOperand : AsmOperandClass {
482 let Name = "MemOffsetSimm9";
483 let SuperClasses = [MipsMemAsmOperand];
484 let RenderMethod = "addMemOperands";
485 let ParserMethod = "parseMemOperand";
486 let PredicateMethod = "isMemWithSimmOffset<9>";
489 def MipsMemSimm9GPRAsmOperand : AsmOperandClass {
490 let Name = "MemOffsetSimm9GPR";
491 let SuperClasses = [MipsMemAsmOperand];
492 let RenderMethod = "addMemOperands";
493 let ParserMethod = "parseMemOperand";
494 let PredicateMethod = "isMemWithSimmOffsetGPR<9>";
497 def MipsMemSimm11AsmOperand : AsmOperandClass {
498 let Name = "MemOffsetSimm11";
499 let SuperClasses = [MipsMemAsmOperand];
500 let RenderMethod = "addMemOperands";
501 let ParserMethod = "parseMemOperand";
502 let PredicateMethod = "isMemWithSimmOffset<11>";
505 def MipsMemSimm16AsmOperand : AsmOperandClass {
506 let Name = "MemOffsetSimm16";
507 let SuperClasses = [MipsMemAsmOperand];
508 let RenderMethod = "addMemOperands";
509 let ParserMethod = "parseMemOperand";
510 let PredicateMethod = "isMemWithSimmOffset<16>";
513 def MipsInvertedImmoperand : AsmOperandClass {
515 let RenderMethod = "addImmOperands";
516 let ParserMethod = "parseInvNum";
519 def InvertedImOperand : Operand<i32> {
520 let ParserMatchClass = MipsInvertedImmoperand;
523 def InvertedImOperand64 : Operand<i64> {
524 let ParserMatchClass = MipsInvertedImmoperand;
527 class mem_generic : Operand<iPTR> {
528 let PrintMethod = "printMemOperand";
529 let MIOperandInfo = (ops ptr_rc, simm16);
530 let EncoderMethod = "getMemEncoding";
531 let ParserMatchClass = MipsMemAsmOperand;
532 let OperandType = "OPERAND_MEMORY";
536 def mem : mem_generic;
538 // MSA specific address operand
539 def mem_msa : mem_generic {
540 let MIOperandInfo = (ops ptr_rc, simm10);
541 let EncoderMethod = "getMSAMemEncoding";
544 def mem_simm9 : mem_generic {
545 let MIOperandInfo = (ops ptr_rc, simm9);
546 let EncoderMethod = "getMemEncoding";
547 let ParserMatchClass = MipsMemSimm9AsmOperand;
550 def mem_simm9gpr : mem_generic {
551 let MIOperandInfo = (ops ptr_rc, simm9);
552 let EncoderMethod = "getMemEncoding";
553 let ParserMatchClass = MipsMemSimm9GPRAsmOperand;
556 def mem_simm11 : mem_generic {
557 let MIOperandInfo = (ops ptr_rc, simm11);
558 let EncoderMethod = "getMemEncoding";
559 let ParserMatchClass = MipsMemSimm11AsmOperand;
562 def mem_simm16 : mem_generic {
563 let MIOperandInfo = (ops ptr_rc, simm16);
564 let EncoderMethod = "getMemEncoding";
565 let ParserMatchClass = MipsMemSimm16AsmOperand;
568 def mem_ea : Operand<iPTR> {
569 let PrintMethod = "printMemOperandEA";
570 let MIOperandInfo = (ops ptr_rc, simm16);
571 let EncoderMethod = "getMemEncoding";
572 let OperandType = "OPERAND_MEMORY";
575 def PtrRC : Operand<iPTR> {
576 let MIOperandInfo = (ops ptr_rc);
577 let DecoderMethod = "DecodePtrRegisterClass";
578 let ParserMatchClass = GPR32AsmOperand;
581 // size operand of ext instruction
582 def size_ext : Operand<i32> {
583 let EncoderMethod = "getSizeExtEncoding";
584 let DecoderMethod = "DecodeExtSize";
587 // size operand of ins instruction
588 def size_ins : Operand<i32> {
589 let EncoderMethod = "getSizeInsEncoding";
590 let DecoderMethod = "DecodeInsSize";
593 // Transformation Function - get the lower 16 bits.
594 def LO16 : SDNodeXForm<imm, [{
595 return getImm(N, N->getZExtValue() & 0xFFFF);
598 // Transformation Function - get the higher 16 bits.
599 def HI16 : SDNodeXForm<imm, [{
600 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
604 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
606 // Node immediate is zero (e.g. insve.d)
607 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
609 // Node immediate fits as 16-bit sign extended on target immediate.
611 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
613 // Node immediate fits as 16-bit sign extended on target immediate.
615 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
617 // Node immediate fits as 15-bit sign extended on target immediate.
619 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
621 // Node immediate fits as 16-bit zero extended on target immediate.
622 // The LO16 param means that only the lower 16 bits of the node
623 // immediate are caught.
625 def immZExt16 : PatLeaf<(imm), [{
626 if (N->getValueType(0) == MVT::i32)
627 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
629 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
632 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
633 def immLow16Zero : PatLeaf<(imm), [{
634 int64_t Val = N->getSExtValue();
635 return isInt<32>(Val) && !(Val & 0xffff);
638 // shamt field must fit in 5 bits.
639 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
641 // True if (N + 1) fits in 16-bit field.
642 def immSExt16Plus1 : PatLeaf<(imm), [{
643 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
646 // Mips Address Mode! SDNode frameindex could possibily be a match
647 // since load and store instructions from stack used it.
649 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
652 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
655 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
658 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
660 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
662 //===----------------------------------------------------------------------===//
663 // Instructions specific format
664 //===----------------------------------------------------------------------===//
666 // Arithmetic and logical instructions with 3 register operands.
667 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
668 InstrItinClass Itin = NoItinerary,
669 SDPatternOperator OpNode = null_frag>:
670 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
671 !strconcat(opstr, "\t$rd, $rs, $rt"),
672 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
673 let isCommutable = isComm;
674 let isReMaterializable = 1;
675 let TwoOperandAliasConstraint = "$rd = $rs";
678 // Arithmetic and logical instructions with 2 register operands.
679 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
680 InstrItinClass Itin = NoItinerary,
681 SDPatternOperator imm_type = null_frag,
682 SDPatternOperator OpNode = null_frag> :
683 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
684 !strconcat(opstr, "\t$rt, $rs, $imm16"),
685 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
687 let isReMaterializable = 1;
688 let TwoOperandAliasConstraint = "$rs = $rt";
691 // Arithmetic Multiply ADD/SUB
692 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
693 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
694 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
695 let Defs = [HI0, LO0];
696 let Uses = [HI0, LO0];
697 let isCommutable = isComm;
701 class LogicNOR<string opstr, RegisterOperand RO>:
702 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
703 !strconcat(opstr, "\t$rd, $rs, $rt"),
704 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
705 let isCommutable = 1;
709 class shift_rotate_imm<string opstr, Operand ImmOpnd,
710 RegisterOperand RO, InstrItinClass itin,
711 SDPatternOperator OpNode = null_frag,
712 SDPatternOperator PF = null_frag> :
713 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
714 !strconcat(opstr, "\t$rd, $rt, $shamt"),
715 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
716 let TwoOperandAliasConstraint = "$rt = $rd";
719 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
720 SDPatternOperator OpNode = null_frag>:
721 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
722 !strconcat(opstr, "\t$rd, $rt, $rs"),
723 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
726 // Load Upper Immediate
727 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
728 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
729 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
730 let hasSideEffects = 0;
731 let isReMaterializable = 1;
735 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
736 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
737 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
738 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
739 let DecoderMethod = "DecodeMem";
740 let canFoldAsLoad = 1;
744 class StoreMemory<string opstr, DAGOperand RO, DAGOperand MO,
745 SDPatternOperator OpNode = null_frag,
746 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
747 InstSE<(outs), (ins RO:$rt, MO:$addr), !strconcat(opstr, "\t$rt, $addr"),
748 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
749 let DecoderMethod = "DecodeMem";
753 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
754 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
755 StoreMemory<opstr, RO, mem, OpNode, Itin, Addr>;
757 // Load/Store Left/Right
758 let canFoldAsLoad = 1 in
759 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
760 InstrItinClass Itin> :
761 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
762 !strconcat(opstr, "\t$rt, $addr"),
763 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
764 let DecoderMethod = "DecodeMem";
765 string Constraints = "$src = $rt";
768 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
769 InstrItinClass Itin> :
770 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
771 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
772 let DecoderMethod = "DecodeMem";
776 class LW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
777 SDPatternOperator OpNode= null_frag> :
778 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
779 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
780 let DecoderMethod = "DecodeFMem2";
784 class SW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
785 SDPatternOperator OpNode= null_frag> :
786 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
787 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
788 let DecoderMethod = "DecodeFMem2";
793 class LW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
794 SDPatternOperator OpNode= null_frag> :
795 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
796 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
797 let DecoderMethod = "DecodeFMem3";
801 class SW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
802 SDPatternOperator OpNode= null_frag> :
803 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
804 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
805 let DecoderMethod = "DecodeFMem3";
809 // Conditional Branch
810 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
811 RegisterOperand RO, bit DelaySlot = 1> :
812 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
813 !strconcat(opstr, "\t$rs, $rt, $offset"),
814 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], II_BCC,
817 let isTerminator = 1;
818 let hasDelaySlot = DelaySlot;
822 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
823 RegisterOperand RO, bit DelaySlot = 1> :
824 InstSE<(outs), (ins RO:$rs, opnd:$offset),
825 !strconcat(opstr, "\t$rs, $offset"),
826 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], II_BCCZ,
829 let isTerminator = 1;
830 let hasDelaySlot = DelaySlot;
835 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
836 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
837 !strconcat(opstr, "\t$rd, $rs, $rt"),
838 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
839 II_SLT_SLTU, FrmR, opstr>;
841 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
843 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
844 !strconcat(opstr, "\t$rt, $rs, $imm16"),
845 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
846 II_SLTI_SLTIU, FrmI, opstr>;
849 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
850 SDPatternOperator targetoperator, string bopstr> :
851 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
852 [(operator targetoperator:$target)], II_J, FrmJ, bopstr> {
855 let hasDelaySlot = 1;
856 let DecoderMethod = "DecodeJumpTarget";
860 // Unconditional branch
861 class UncondBranch<Instruction BEQInst> :
862 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], II_B>,
863 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
865 let isTerminator = 1;
867 let hasDelaySlot = 1;
868 let AdditionalPredicates = [RelocPIC];
872 // Base class for indirect branch and return instruction classes.
873 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
874 class JumpFR<string opstr, RegisterOperand RO,
875 SDPatternOperator operator = null_frag>:
876 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], II_JR,
880 class IndirectBranch<string opstr, RegisterOperand RO> : JumpFR<opstr, RO> {
882 let isIndirectBranch = 1;
885 // Jump and Link (Call)
886 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
887 class JumpLink<string opstr, DAGOperand opnd> :
888 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
889 [(MipsJmpLink imm:$target)], II_JAL, FrmJ, opstr> {
890 let DecoderMethod = "DecodeJumpTarget";
893 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
894 Register RetReg, RegisterOperand ResRO = RO>:
895 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], II_JALR>,
896 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
898 class JumpLinkReg<string opstr, RegisterOperand RO>:
899 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
900 [], II_JALR, FrmR, opstr>;
902 class BGEZAL_FT<string opstr, DAGOperand opnd,
903 RegisterOperand RO, bit DelaySlot = 1> :
904 InstSE<(outs), (ins RO:$rs, opnd:$offset),
905 !strconcat(opstr, "\t$rs, $offset"), [], II_BCCZAL, FrmI, opstr> {
906 let hasDelaySlot = DelaySlot;
911 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
912 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
913 class TailCall<Instruction JumpInst> :
914 PseudoSE<(outs), (ins calltarget:$target), [], II_J>,
915 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
917 class TailCallReg<RegisterOperand RO, Instruction JRInst,
918 RegisterOperand ResRO = RO> :
919 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], II_JR>,
920 PseudoInstExpansion<(JRInst ResRO:$rs)>;
923 class BAL_BR_Pseudo<Instruction RealInst> :
924 PseudoSE<(outs), (ins brtarget:$offset), [], II_BCCZAL>,
925 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
927 let isTerminator = 1;
929 let hasDelaySlot = 1;
934 class SYS_FT<string opstr> :
935 InstSE<(outs), (ins uimm20:$code_),
936 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
938 class BRK_FT<string opstr> :
939 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
940 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
944 class ER_FT<string opstr> :
945 InstSE<(outs), (ins),
946 opstr, [], NoItinerary, FrmOther, opstr>;
949 class DEI_FT<string opstr, RegisterOperand RO> :
950 InstSE<(outs RO:$rt), (ins),
951 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
954 class WAIT_FT<string opstr> :
955 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
958 let hasSideEffects = 1 in
959 class SYNC_FT<string opstr> :
960 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
961 NoItinerary, FrmOther, opstr>;
963 class SYNCI_FT<string opstr> :
964 InstSE<(outs), (ins mem_simm16:$addr), !strconcat(opstr, "\t$addr"), [],
965 NoItinerary, FrmOther, opstr> {
966 let hasSideEffects = 1;
967 let DecoderMethod = "DecodeSyncI";
970 let hasSideEffects = 1 in
971 class TEQ_FT<string opstr, RegisterOperand RO> :
972 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
973 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
976 class TEQI_FT<string opstr, RegisterOperand RO> :
977 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
978 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
980 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
981 list<Register> DefRegs> :
982 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
984 let isCommutable = 1;
986 let hasSideEffects = 0;
989 // Pseudo multiply/divide instruction with explicit accumulator register
991 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
992 SDPatternOperator OpNode, InstrItinClass Itin,
993 bit IsComm = 1, bit HasSideEffects = 0,
994 bit UsesCustomInserter = 0> :
995 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
996 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
997 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
998 let isCommutable = IsComm;
999 let hasSideEffects = HasSideEffects;
1000 let usesCustomInserter = UsesCustomInserter;
1003 // Pseudo multiply add/sub instruction with explicit accumulator register
1005 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
1006 InstrItinClass itin>
1007 : PseudoSE<(outs ACC64:$ac),
1008 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
1010 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
1012 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
1013 string Constraints = "$acin = $ac";
1016 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
1017 list<Register> DefRegs> :
1018 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
1019 [], itin, FrmR, opstr> {
1024 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
1025 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
1026 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
1028 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
1029 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
1031 let Uses = [UseReg];
1032 let hasSideEffects = 0;
1035 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
1036 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
1037 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
1040 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
1041 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
1044 let hasSideEffects = 0;
1047 class EffectiveAddress<string opstr, RegisterOperand RO> :
1048 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
1049 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
1050 !strconcat(opstr, "_lea")> {
1051 let isCodeGenOnly = 1;
1052 let DecoderMethod = "DecodeMem";
1055 // Count Leading Ones/Zeros in Word
1056 class CountLeading0<string opstr, RegisterOperand RO>:
1057 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1058 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
1060 class CountLeading1<string opstr, RegisterOperand RO>:
1061 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1062 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
1064 // Sign Extend in Register.
1065 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
1066 InstrItinClass itin> :
1067 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
1068 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
1071 class SubwordSwap<string opstr, RegisterOperand RO,
1072 InstrItinClass itin = NoItinerary>:
1073 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [], itin,
1075 let hasSideEffects = 0;
1079 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
1080 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
1081 II_RDHWR, FrmR, "rdhwr">;
1084 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1085 SDPatternOperator Op = null_frag>:
1086 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
1087 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1088 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], II_EXT,
1089 FrmR, opstr>, ISA_MIPS32R2;
1091 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1092 SDPatternOperator Op = null_frag>:
1093 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
1094 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1095 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
1096 II_INS, FrmR, opstr>, ISA_MIPS32R2 {
1097 let Constraints = "$src = $rt";
1100 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
1101 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
1102 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
1103 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
1105 // Atomic Compare & Swap.
1106 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
1107 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
1108 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
1110 class LLBase<string opstr, RegisterOperand RO> :
1111 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
1112 [], NoItinerary, FrmI> {
1113 let DecoderMethod = "DecodeMem";
1117 class SCBase<string opstr, RegisterOperand RO> :
1118 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
1119 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
1120 let DecoderMethod = "DecodeMem";
1122 let Constraints = "$rt = $dst";
1125 class MFC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1126 InstSE<(outs RO:$rt), (ins RD:$rd, uimm16:$sel),
1127 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1129 class MTC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1130 InstSE<(outs RO:$rd), (ins RD:$rt, uimm16:$sel),
1131 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1133 class TrapBase<Instruction RealInst>
1134 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
1135 PseudoInstExpansion<(RealInst 0, 0)> {
1137 let isTerminator = 1;
1138 let isCodeGenOnly = 1;
1141 //===----------------------------------------------------------------------===//
1142 // Pseudo instructions
1143 //===----------------------------------------------------------------------===//
1146 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
1147 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
1149 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1150 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
1151 [(callseq_start timm:$amt)]>;
1152 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
1153 [(callseq_end timm:$amt1, timm:$amt2)]>;
1156 let usesCustomInserter = 1 in {
1157 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
1158 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
1159 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
1160 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
1161 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
1162 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
1163 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
1164 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
1165 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
1166 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
1167 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
1168 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
1169 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
1170 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
1171 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
1172 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
1173 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
1174 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
1176 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
1177 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
1178 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
1180 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
1181 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1182 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1185 /// Pseudo instructions for loading and storing accumulator registers.
1186 let isPseudo = 1, isCodeGenOnly = 1 in {
1187 def LOAD_ACC64 : Load<"", ACC64>;
1188 def STORE_ACC64 : Store<"", ACC64>;
1191 // We need these two pseudo instructions to avoid offset calculation for long
1192 // branches. See the comment in file MipsLongBranch.cpp for detailed
1195 // Expands to: lui $dst, %hi($tgt - $baltgt)
1196 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1197 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1199 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1200 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1201 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1203 //===----------------------------------------------------------------------===//
1204 // Instruction definition
1205 //===----------------------------------------------------------------------===//
1206 //===----------------------------------------------------------------------===//
1207 // MipsI Instructions
1208 //===----------------------------------------------------------------------===//
1210 /// Arithmetic Instructions (ALU Immediate)
1211 let AdditionalPredicates = [NotInMicroMips] in {
1212 def ADDiu : MMRel, StdMMR6Rel, ArithLogicI<"addiu", simm16, GPR32Opnd,
1213 II_ADDIU, immSExt16, add>,
1214 ADDI_FM<0x9>, IsAsCheapAsAMove;
1216 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1217 ISA_MIPS1_NOT_32R6_64R6;
1218 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1220 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1222 let AdditionalPredicates = [NotInMicroMips] in {
1223 def ANDi : MMRel, StdMMR6Rel,
1224 ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16, and>,
1227 def ORi : MMRel, StdMMR6Rel,
1228 ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16, or>,
1230 def XORi : MMRel, StdMMR6Rel,
1231 ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16, xor>,
1233 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1234 let AdditionalPredicates = [NotInMicroMips] in {
1235 /// Arithmetic Instructions (3-Operand, R-Type)
1236 def ADDu : MMRel, StdMMR6Rel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1238 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1241 let Defs = [HI0, LO0] in
1242 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1243 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1244 def ADD : MMRel, StdMMR6Rel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1245 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1246 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1247 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1248 let AdditionalPredicates = [NotInMicroMips] in {
1249 def AND : MMRel, StdMMR6Rel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1251 def OR : MMRel, StdMMR6Rel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1253 def XOR : MMRel, StdMMR6Rel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1256 def NOR : MMRel, StdMMR6Rel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1258 /// Shift Instructions
1259 let AdditionalPredicates = [NotInMicroMips] in {
1260 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1261 immZExt5>, SRA_FM<0, 0>;
1262 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1263 immZExt5>, SRA_FM<2, 0>;
1265 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1266 immZExt5>, SRA_FM<3, 0>;
1267 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1269 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1271 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1274 // Rotate Instructions
1275 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1277 SRA_FM<2, 1>, ISA_MIPS32R2;
1278 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1279 SRLV_FM<6, 1>, ISA_MIPS32R2;
1281 /// Load and Store Instructions
1283 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1284 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1286 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1288 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1289 let AdditionalPredicates = [NotInMicroMips] in {
1290 def LW : StdMMR6Rel, Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1293 def SB : StdMMR6Rel, Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel,
1295 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1296 let AdditionalPredicates = [NotInMicroMips] in {
1297 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1300 /// load/store left/right
1301 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1302 AdditionalPredicates = [NotInMicroMips] in {
1303 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1304 ISA_MIPS1_NOT_32R6_64R6;
1305 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1306 ISA_MIPS1_NOT_32R6_64R6;
1307 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1308 ISA_MIPS1_NOT_32R6_64R6;
1309 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1310 ISA_MIPS1_NOT_32R6_64R6;
1313 let AdditionalPredicates = [NotInMicroMips] in {
1314 // COP2 Memory Instructions
1315 def LWC2 : LW_FT2<"lwc2", COP2Opnd, NoItinerary, load>, LW_FM<0x32>,
1316 ISA_MIPS1_NOT_32R6_64R6;
1317 def SWC2 : SW_FT2<"swc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3a>,
1318 ISA_MIPS1_NOT_32R6_64R6;
1319 def LDC2 : LW_FT2<"ldc2", COP2Opnd, NoItinerary, load>, LW_FM<0x36>,
1320 ISA_MIPS2_NOT_32R6_64R6;
1321 def SDC2 : SW_FT2<"sdc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3e>,
1322 ISA_MIPS2_NOT_32R6_64R6;
1324 // COP3 Memory Instructions
1325 let DecoderNamespace = "COP3_" in {
1326 def LWC3 : LW_FT3<"lwc3", COP3Opnd, NoItinerary, load>, LW_FM<0x33>;
1327 def SWC3 : SW_FT3<"swc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3b>;
1328 def LDC3 : LW_FT3<"ldc3", COP3Opnd, NoItinerary, load>, LW_FM<0x37>,
1330 def SDC3 : SW_FT3<"sdc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3f>,
1335 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
1336 def SYNCI : MMRel, SYNCI_FT<"synci">, SYNCI_FM, ISA_MIPS32R2;
1338 let AdditionalPredicates = [NotInMicroMips] in {
1339 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>, ISA_MIPS2;
1340 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>, ISA_MIPS2;
1341 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>, ISA_MIPS2;
1342 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>, ISA_MIPS2;
1343 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>, ISA_MIPS2;
1344 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>, ISA_MIPS2;
1347 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1348 ISA_MIPS2_NOT_32R6_64R6;
1349 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1350 ISA_MIPS2_NOT_32R6_64R6;
1351 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1352 ISA_MIPS2_NOT_32R6_64R6;
1353 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1354 ISA_MIPS2_NOT_32R6_64R6;
1355 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1356 ISA_MIPS2_NOT_32R6_64R6;
1357 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1358 ISA_MIPS2_NOT_32R6_64R6;
1360 let AdditionalPredicates = [NotInMicroMips] in {
1361 def BREAK : MMRel, StdMMR6Rel, BRK_FT<"break">, BRK_FM<0xd>;
1363 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1364 def TRAP : TrapBase<BREAK>;
1365 def SDBBP : MMRel, SYS_FT<"sdbbp">, SDBBP_FM, ISA_MIPS32_NOT_32R6_64R6;
1367 let AdditionalPredicates = [NotInMicroMips] in {
1368 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18, 0x0>, INSN_MIPS3_32;
1369 def ERETNC : MMRel, ER_FT<"eretnc">, ER_FM<0x18, 0x1>, ISA_MIPS32R5;
1371 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f, 0x0>, ISA_MIPS32;
1373 let AdditionalPredicates = [NotInMicroMips] in {
1374 def EI : MMRel, StdMMR6Rel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1376 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1378 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1379 AdditionalPredicates = [NotInMicroMips] in {
1380 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1382 /// Load-linked, Store-conditional
1383 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2_NOT_32R6_64R6;
1384 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2_NOT_32R6_64R6;
1387 /// Jump and Branch Instructions
1388 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1389 AdditionalRequires<[RelocStatic]>, IsBranch;
1390 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1391 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1392 def BEQL : MMRel, CBranch<"beql", brtarget, seteq, GPR32Opnd, 0>,
1393 BEQ_FM<20>, ISA_MIPS2_NOT_32R6_64R6;
1394 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1395 def BNEL : MMRel, CBranch<"bnel", brtarget, setne, GPR32Opnd, 0>,
1396 BEQ_FM<21>, ISA_MIPS2_NOT_32R6_64R6;
1397 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1399 def BGEZL : MMRel, CBranchZero<"bgezl", brtarget, setge, GPR32Opnd, 0>,
1400 BGEZ_FM<1, 3>, ISA_MIPS2_NOT_32R6_64R6;
1401 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1403 def BGTZL : MMRel, CBranchZero<"bgtzl", brtarget, setgt, GPR32Opnd, 0>,
1404 BGEZ_FM<23, 0>, ISA_MIPS2_NOT_32R6_64R6;
1405 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1407 def BLEZL : MMRel, CBranchZero<"blezl", brtarget, setle, GPR32Opnd, 0>,
1408 BGEZ_FM<22, 0>, ISA_MIPS2_NOT_32R6_64R6;
1409 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1411 def BLTZL : MMRel, CBranchZero<"bltzl", brtarget, setlt, GPR32Opnd, 0>,
1412 BGEZ_FM<1, 2>, ISA_MIPS2_NOT_32R6_64R6;
1413 def B : UncondBranch<BEQ>;
1415 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1416 let AdditionalPredicates = [NotInMicroMips] in {
1417 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1418 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1421 def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
1422 ISA_MIPS32_NOT_32R6_64R6;
1423 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
1424 ISA_MIPS1_NOT_32R6_64R6;
1425 def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
1426 BGEZAL_FM<0x13>, ISA_MIPS2_NOT_32R6_64R6;
1427 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>,
1428 ISA_MIPS1_NOT_32R6_64R6;
1429 def BLTZALL : MMRel, BGEZAL_FT<"bltzall", brtarget, GPR32Opnd, 0>,
1430 BGEZAL_FM<0x12>, ISA_MIPS2_NOT_32R6_64R6;
1431 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1432 def TAILCALL : TailCall<J>;
1433 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1435 // Indirect branches are matched as PseudoIndirectBranch/PseudoIndirectBranch64
1436 // then are expanded to JR, JR64, JALR, or JALR64 depending on the ISA.
1437 class PseudoIndirectBranchBase<RegisterOperand RO> :
1438 MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)],
1439 II_IndirectBranchPseudo> {
1442 let hasDelaySlot = 1;
1444 let isIndirectBranch = 1;
1447 def PseudoIndirectBranch : PseudoIndirectBranchBase<GPR32Opnd>;
1449 // Return instructions are matched as a RetRA instruction, then are expanded
1450 // into PseudoReturn/PseudoReturn64 after register allocation. Finally,
1451 // MipsAsmPrinter expands this into JR, JR64, JALR, or JALR64 depending on the
1453 class PseudoReturnBase<RegisterOperand RO> : MipsPseudo<(outs), (ins RO:$rs),
1454 [], II_ReturnPseudo> {
1455 let isTerminator = 1;
1457 let hasDelaySlot = 1;
1459 let isCodeGenOnly = 1;
1461 let hasExtraSrcRegAllocReq = 1;
1464 def PseudoReturn : PseudoReturnBase<GPR32Opnd>;
1466 // Exception handling related node and instructions.
1467 // The conversion sequence is:
1468 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1469 // MIPSeh_return -> (stack change + indirect branch)
1471 // MIPSeh_return takes the place of regular return instruction
1472 // but takes two arguments (V1, V0) which are used for storing
1473 // the offset and return address respectively.
1474 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1476 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1477 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1479 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1480 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1481 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1482 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1484 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1487 /// Multiply and Divide Instructions.
1488 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1489 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1490 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1491 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1492 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1493 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1494 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1495 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1497 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1498 ISA_MIPS1_NOT_32R6_64R6;
1499 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1500 ISA_MIPS1_NOT_32R6_64R6;
1501 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1502 AdditionalPredicates = [NotInMicroMips] in {
1503 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1504 ISA_MIPS1_NOT_32R6_64R6;
1505 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1506 ISA_MIPS1_NOT_32R6_64R6;
1509 /// Sign Ext In Register Instructions.
1510 def SEB : MMRel, StdMMR6Rel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1511 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1512 def SEH : MMRel, StdMMR6Rel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1513 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1516 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>,
1517 ISA_MIPS32_NOT_32R6_64R6;
1518 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>,
1519 ISA_MIPS32_NOT_32R6_64R6;
1521 let AdditionalPredicates = [NotInMicroMips] in {
1522 /// Word Swap Bytes Within Halfwords
1523 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd, II_WSBH>, SEB_FM<2, 0x20>,
1528 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1530 // FrameIndexes are legalized when they are operands from load/store
1531 // instructions. The same not happens for stack address copies, so an
1532 // add op with mem ComplexPattern is used and the stack address copy
1533 // can be matched. It's similar to Sparc LEA_ADDRi
1534 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1537 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1538 ISA_MIPS32_NOT_32R6_64R6;
1539 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1540 ISA_MIPS32_NOT_32R6_64R6;
1541 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1542 ISA_MIPS32_NOT_32R6_64R6;
1543 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1544 ISA_MIPS32_NOT_32R6_64R6;
1546 let AdditionalPredicates = [NotDSP] in {
1547 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1548 ISA_MIPS1_NOT_32R6_64R6;
1549 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1550 ISA_MIPS1_NOT_32R6_64R6;
1551 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1552 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1553 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1554 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1555 ISA_MIPS32_NOT_32R6_64R6;
1556 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1557 ISA_MIPS32_NOT_32R6_64R6;
1558 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1559 ISA_MIPS32_NOT_32R6_64R6;
1560 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1561 ISA_MIPS32_NOT_32R6_64R6;
1564 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1565 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1566 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1567 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1569 def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1571 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1572 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1574 /// Move Control Registers From/To CPU Registers
1575 def MFC0 : MFC3OP<"mfc0", GPR32Opnd, COP0Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1576 def MTC0 : MTC3OP<"mtc0", COP0Opnd, GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1577 def MFC2 : MFC3OP<"mfc2", GPR32Opnd, COP2Opnd>, MFC3OP_FM<0x12, 0>;
1578 def MTC2 : MTC3OP<"mtc2", COP2Opnd, GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1580 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1582 def SSNOP : MMRel, Barrier<"ssnop">, BARRIER_FM<1>;
1583 def EHB : MMRel, Barrier<"ehb">, BARRIER_FM<3>;
1584 def PAUSE : MMRel, Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1586 // JR_HB and JALR_HB are defined here using the new style naming
1587 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1588 // and because of that it doesn't follow the naming convention of the
1589 // rest of the file. To avoid a mixture of old vs new style, the new
1590 // style was chosen.
1591 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1592 dag OutOperandList = (outs);
1593 dag InOperandList = (ins GPROpnd:$rs);
1594 string AsmString = !strconcat(instr_asm, "\t$rs");
1595 list<dag> Pattern = [];
1598 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1599 dag OutOperandList = (outs GPROpnd:$rd);
1600 dag InOperandList = (ins GPROpnd:$rs);
1601 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1602 list<dag> Pattern = [];
1605 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1606 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1608 let isIndirectBranch=1;
1614 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1615 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1616 let isIndirectBranch=1;
1620 class JR_HB_ENC : JR_HB_FM<8>;
1621 class JALR_HB_ENC : JALR_HB_FM<9>;
1623 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1624 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1626 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1628 def TLBP : MMRel, TLB<"tlbp">, COP0_TLB_FM<0x08>;
1629 def TLBR : MMRel, TLB<"tlbr">, COP0_TLB_FM<0x01>;
1630 def TLBWI : MMRel, TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1631 def TLBWR : MMRel, TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1633 class CacheOp<string instr_asm, Operand MemOpnd> :
1634 InstSE<(outs), (ins MemOpnd:$addr, uimm5:$hint),
1635 !strconcat(instr_asm, "\t$hint, $addr"), [], NoItinerary, FrmOther,
1637 let DecoderMethod = "DecodeCacheOp";
1640 def CACHE : MMRel, CacheOp<"cache", mem>, CACHEOP_FM<0b101111>,
1641 INSN_MIPS3_32_NOT_32R6_64R6;
1642 def PREF : MMRel, CacheOp<"pref", mem>, CACHEOP_FM<0b110011>,
1643 INSN_MIPS3_32_NOT_32R6_64R6;
1645 //===----------------------------------------------------------------------===//
1646 // Instruction aliases
1647 //===----------------------------------------------------------------------===//
1648 def : MipsInstAlias<"move $dst, $src",
1649 (OR GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1651 let AdditionalPredicates = [NotInMicroMips];
1653 def : MipsInstAlias<"move $dst, $src",
1654 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1656 let AdditionalPredicates = [NotInMicroMips];
1658 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>,
1659 ISA_MIPS1_NOT_32R6_64R6;
1660 def : MipsInstAlias<"addu $rs, $rt, $imm",
1661 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1662 def : MipsInstAlias<"addu $rs, $imm",
1663 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1664 def : MipsInstAlias<"add $rs, $rt, $imm",
1665 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>,
1666 ISA_MIPS1_NOT_32R6_64R6;
1667 def : MipsInstAlias<"add $rs, $imm",
1668 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>,
1669 ISA_MIPS1_NOT_32R6_64R6;
1670 def : MipsInstAlias<"and $rs, $rt, $imm",
1671 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1672 def : MipsInstAlias<"and $rs, $imm",
1673 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1674 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1675 let Predicates = [NotInMicroMips] in {
1676 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1678 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1679 def : MipsInstAlias<"not $rt, $rs",
1680 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1681 def : MipsInstAlias<"neg $rt, $rs",
1682 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1683 def : MipsInstAlias<"negu $rt",
1684 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1685 def : MipsInstAlias<"negu $rt, $rs",
1686 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1687 def : MipsInstAlias<"slt $rs, $rt, $imm",
1688 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1689 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1690 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1691 def : MipsInstAlias<"xor $rs, $rt, $imm",
1692 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1693 def : MipsInstAlias<"xor $rs, $imm",
1694 (XORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1695 def : MipsInstAlias<"or $rs, $rt, $imm",
1696 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1697 def : MipsInstAlias<"or $rs, $imm",
1698 (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1699 let AdditionalPredicates = [NotInMicroMips] in {
1700 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1702 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, COP0Opnd:$rd, 0), 0>;
1703 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 COP0Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1704 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, COP2Opnd:$rd, 0), 0>;
1705 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 COP2Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1706 let AdditionalPredicates = [NotInMicroMips] in {
1707 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1709 def : MipsInstAlias<"bnez $rs,$offset",
1710 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1711 def : MipsInstAlias<"bnezl $rs,$offset",
1712 (BNEL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1713 def : MipsInstAlias<"beqz $rs,$offset",
1714 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1715 def : MipsInstAlias<"beqzl $rs,$offset",
1716 (BEQL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1717 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1719 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1720 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1721 let AdditionalPredicates = [NotInMicroMips] in {
1722 def : MipsInstAlias<"ei", (EI ZERO), 1>, ISA_MIPS32R2;
1724 def : MipsInstAlias<"di", (DI ZERO), 1>, ISA_MIPS32R2;
1725 let AdditionalPredicates = [NotInMicroMips] in {
1726 def : MipsInstAlias<"teq $rs, $rt",
1727 (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1728 def : MipsInstAlias<"tge $rs, $rt",
1729 (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1730 def : MipsInstAlias<"tgeu $rs, $rt",
1731 (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1732 def : MipsInstAlias<"tlt $rs, $rt",
1733 (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1734 def : MipsInstAlias<"tltu $rs, $rt",
1735 (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1736 def : MipsInstAlias<"tne $rs, $rt",
1737 (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1739 def : MipsInstAlias<"sll $rd, $rt, $rs",
1740 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1741 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1742 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1743 InvertedImOperand:$imm), 0>, ISA_MIPS1_NOT_32R6_64R6;
1744 def : MipsInstAlias<"sub $rs, $imm",
1745 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1746 0>, ISA_MIPS1_NOT_32R6_64R6;
1747 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1748 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1749 InvertedImOperand:$imm), 0>;
1750 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1751 InvertedImOperand:$imm), 0>;
1752 def : MipsInstAlias<"sra $rd, $rt, $rs",
1753 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1754 def : MipsInstAlias<"srl $rd, $rt, $rs",
1755 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1756 def : MipsInstAlias<"sdbbp", (SDBBP 0)>, ISA_MIPS32_NOT_32R6_64R6;
1757 def : MipsInstAlias<"sync",
1758 (SYNC 0), 1>, ISA_MIPS2;
1759 //===----------------------------------------------------------------------===//
1760 // Assembler Pseudo Instructions
1761 //===----------------------------------------------------------------------===//
1763 class LoadImmediate32<string instr_asm, Operand Od, RegisterOperand RO> :
1764 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1765 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1766 def LoadImm32 : LoadImmediate32<"li", uimm5, GPR32Opnd>;
1768 class LoadAddressFromReg32<string instr_asm, Operand MemOpnd,
1769 RegisterOperand RO> :
1770 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1771 !strconcat(instr_asm, "\t$rt, $addr")> ;
1772 def LoadAddrReg32 : LoadAddressFromReg32<"la", mem, GPR32Opnd>;
1774 class LoadAddressFromImm32<string instr_asm, Operand Od, RegisterOperand RO> :
1775 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1776 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1777 def LoadAddrImm32 : LoadAddressFromImm32<"la", uimm5, GPR32Opnd>;
1779 def JalTwoReg : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rs),
1781 def JalOneReg : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs),
1784 def NORImm : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm),
1785 "nor\t$rs, $rt, $imm"> ;
1787 let hasDelaySlot = 1 in {
1788 def BneImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1789 (ins imm64:$imm64, brtarget:$offset),
1790 "bne\t$rt, $imm64, $offset">;
1791 def BeqImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1792 (ins imm64:$imm64, brtarget:$offset),
1793 "beq\t$rt, $imm64, $offset">;
1795 class CondBranchPseudo<string instr_asm> :
1796 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt,
1798 !strconcat(instr_asm, "\t$rs, $rt, $offset")>;
1801 def BLT : CondBranchPseudo<"blt">;
1802 def BLE : CondBranchPseudo<"ble">;
1803 def BGE : CondBranchPseudo<"bge">;
1804 def BGT : CondBranchPseudo<"bgt">;
1805 def BLTU : CondBranchPseudo<"bltu">;
1806 def BLEU : CondBranchPseudo<"bleu">;
1807 def BGEU : CondBranchPseudo<"bgeu">;
1808 def BGTU : CondBranchPseudo<"bgtu">;
1809 def BLTL : CondBranchPseudo<"bltl">, ISA_MIPS2_NOT_32R6_64R6;
1810 def BLEL : CondBranchPseudo<"blel">, ISA_MIPS2_NOT_32R6_64R6;
1811 def BGEL : CondBranchPseudo<"bgel">, ISA_MIPS2_NOT_32R6_64R6;
1812 def BGTL : CondBranchPseudo<"bgtl">, ISA_MIPS2_NOT_32R6_64R6;
1813 def BLTUL: CondBranchPseudo<"bltul">, ISA_MIPS2_NOT_32R6_64R6;
1814 def BLEUL: CondBranchPseudo<"bleul">, ISA_MIPS2_NOT_32R6_64R6;
1815 def BGEUL: CondBranchPseudo<"bgeul">, ISA_MIPS2_NOT_32R6_64R6;
1816 def BGTUL: CondBranchPseudo<"bgtul">, ISA_MIPS2_NOT_32R6_64R6;
1818 class CondBranchImmPseudo<string instr_asm> :
1819 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, imm64:$imm, brtarget:$offset),
1820 !strconcat(instr_asm, "\t$rs, $imm, $offset")>;
1822 def BLTImmMacro : CondBranchImmPseudo<"blt">;
1823 def BLEImmMacro : CondBranchImmPseudo<"ble">;
1824 def BGEImmMacro : CondBranchImmPseudo<"bge">;
1825 def BGTImmMacro : CondBranchImmPseudo<"bgt">;
1826 def BLTUImmMacro : CondBranchImmPseudo<"bltu">;
1827 def BLEUImmMacro : CondBranchImmPseudo<"bleu">;
1828 def BGEUImmMacro : CondBranchImmPseudo<"bgeu">;
1829 def BGTUImmMacro : CondBranchImmPseudo<"bgtu">;
1830 def BLTLImmMacro : CondBranchImmPseudo<"bltl">, ISA_MIPS2_NOT_32R6_64R6;
1831 def BLELImmMacro : CondBranchImmPseudo<"blel">, ISA_MIPS2_NOT_32R6_64R6;
1832 def BGELImmMacro : CondBranchImmPseudo<"bgel">, ISA_MIPS2_NOT_32R6_64R6;
1833 def BGTLImmMacro : CondBranchImmPseudo<"bgtl">, ISA_MIPS2_NOT_32R6_64R6;
1834 def BLTULImmMacro : CondBranchImmPseudo<"bltul">, ISA_MIPS2_NOT_32R6_64R6;
1835 def BLEULImmMacro : CondBranchImmPseudo<"bleul">, ISA_MIPS2_NOT_32R6_64R6;
1836 def BGEULImmMacro : CondBranchImmPseudo<"bgeul">, ISA_MIPS2_NOT_32R6_64R6;
1837 def BGTULImmMacro : CondBranchImmPseudo<"bgtul">, ISA_MIPS2_NOT_32R6_64R6;
1839 // FIXME: Predicates are removed because instructions are matched regardless of
1840 // predicates, because PredicateControl was not in the hierarchy. This was
1841 // done to emit more precise error message from expansion function.
1842 // Once the tablegen-erated errors are made better, this needs to be fixed and
1843 // predicates needs to be restored.
1845 def SDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1846 "div\t$rs, $rt">; //, ISA_MIPS1_NOT_32R6_64R6;
1848 def UDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1849 "divu\t$rs, $rt">; //, ISA_MIPS1_NOT_32R6_64R6;
1851 def DSDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1852 "ddiv\t$rs, $rt">; //, ISA_MIPS64_NOT_64R6;
1854 def DUDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1855 "ddivu\t$rs, $rt">; //, ISA_MIPS64_NOT_64R6;
1857 def Ulh : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1858 "ulh\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1860 def Ulhu : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1861 "ulhu\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1863 def Ulw : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1864 "ulw\t$rt, $addr">; //, ISA_MIPS1_NOT_32R6_64R6;
1866 //===----------------------------------------------------------------------===//
1867 // Arbitrary patterns that map to one or more instructions
1868 //===----------------------------------------------------------------------===//
1870 // Load/store pattern templates.
1871 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1872 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1874 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1875 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1878 let AdditionalPredicates = [NotInMicroMips] in {
1879 def : MipsPat<(i32 immSExt16:$in),
1880 (ADDiu ZERO, imm:$in)>;
1881 def : MipsPat<(i32 immZExt16:$in),
1882 (ORi ZERO, imm:$in)>;
1884 def : MipsPat<(i32 immLow16Zero:$in),
1885 (LUi (HI16 imm:$in))>;
1887 // Arbitrary immediates
1888 def : MipsPat<(i32 imm:$imm),
1889 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1891 // Carry MipsPatterns
1892 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1893 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1894 let AdditionalPredicates = [NotDSP] in {
1895 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1896 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1897 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1898 (ADDiu GPR32:$src, imm:$imm)>;
1901 // Support multiplication for pre-Mips32 targets that don't have
1902 // the MUL instruction.
1903 def : MipsPat<(mul GPR32:$lhs, GPR32:$rhs),
1904 (PseudoMFLO (PseudoMULT GPR32:$lhs, GPR32:$rhs))>,
1905 ISA_MIPS1_NOT_32R6_64R6;
1908 def : MipsPat<(MipsSync (i32 immz)),
1909 (SYNC 0)>, ISA_MIPS2;
1912 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1913 (JAL tglobaladdr:$dst)>;
1914 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1915 (JAL texternalsym:$dst)>;
1916 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1917 // (JALR GPR32:$dst)>;
1920 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1921 (TAILCALL tglobaladdr:$dst)>;
1922 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1923 (TAILCALL texternalsym:$dst)>;
1925 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1926 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1927 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1928 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1929 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1930 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1932 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1933 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1934 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1935 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1936 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1937 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1939 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1940 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1941 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1942 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1943 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1944 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1945 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1946 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1947 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1948 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1951 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1952 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1953 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1954 (ADDiu GPR32:$gp, tconstpool:$in)>;
1957 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1958 MipsPat<(MipsWrapper RC:$gp, node:$in),
1959 (ADDiuOp RC:$gp, node:$in)>;
1961 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1962 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1963 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1964 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1965 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1966 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1968 let AdditionalPredicates = [NotInMicroMips] in {
1969 // Mips does not have "not", so we expand our way
1970 def : MipsPat<(not GPR32:$in),
1971 (NOR GPR32Opnd:$in, ZERO)>;
1975 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1976 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1977 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1980 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1983 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1984 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1985 Instruction SLTiuOp, Register ZEROReg> {
1986 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1987 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1988 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1989 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1991 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1992 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1993 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1994 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1995 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1996 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1997 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1998 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1999 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
2000 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
2001 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
2002 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
2004 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
2005 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
2006 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
2007 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
2009 def : MipsPat<(brcond RC:$cond, bb:$dst),
2010 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
2013 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
2015 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
2016 (BLEZ i32:$lhs, bb:$dst)>;
2017 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
2018 (BGEZ i32:$lhs, bb:$dst)>;
2021 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
2022 Instruction SLTuOp, Register ZEROReg> {
2023 def : MipsPat<(seteq RC:$lhs, 0),
2024 (SLTiuOp RC:$lhs, 1)>;
2025 def : MipsPat<(setne RC:$lhs, 0),
2026 (SLTuOp ZEROReg, RC:$lhs)>;
2027 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
2028 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
2029 def : MipsPat<(setne RC:$lhs, RC:$rhs),
2030 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
2033 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2034 def : MipsPat<(setle RC:$lhs, RC:$rhs),
2035 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
2036 def : MipsPat<(setule RC:$lhs, RC:$rhs),
2037 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
2040 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2041 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
2042 (SLTOp RC:$rhs, RC:$lhs)>;
2043 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
2044 (SLTuOp RC:$rhs, RC:$lhs)>;
2047 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
2048 def : MipsPat<(setge RC:$lhs, RC:$rhs),
2049 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
2050 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
2051 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
2054 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
2055 Instruction SLTiuOp> {
2056 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
2057 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
2058 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
2059 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
2062 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
2063 defm : SetlePats<GPR32, SLT, SLTu>;
2064 defm : SetgtPats<GPR32, SLT, SLTu>;
2065 defm : SetgePats<GPR32, SLT, SLTu>;
2066 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
2069 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
2071 // Load halfword/word patterns.
2072 let AddedComplexity = 40 in {
2073 def : LoadRegImmPat<LBu, i32, zextloadi8>;
2074 def : LoadRegImmPat<LH, i32, sextloadi16>;
2075 let AdditionalPredicates = [NotInMicroMips] in {
2076 def : LoadRegImmPat<LW, i32, load>;
2080 //===----------------------------------------------------------------------===//
2081 // Floating Point Support
2082 //===----------------------------------------------------------------------===//
2084 include "MipsInstrFPU.td"
2085 include "Mips64InstrInfo.td"
2086 include "MipsCondMov.td"
2088 include "Mips32r6InstrInfo.td"
2089 include "Mips64r6InstrInfo.td"
2094 include "Mips16InstrFormats.td"
2095 include "Mips16InstrInfo.td"
2098 include "MipsDSPInstrFormats.td"
2099 include "MipsDSPInstrInfo.td"
2102 include "MipsMSAInstrFormats.td"
2103 include "MipsMSAInstrInfo.td"
2106 include "MipsEVAInstrFormats.td"
2107 include "MipsEVAInstrInfo.td"
2110 include "MicroMipsInstrFormats.td"
2111 include "MicroMipsInstrInfo.td"
2112 include "MicroMipsInstrFPU.td"
2115 include "MicroMips32r6InstrFormats.td"
2116 include "MicroMips32r6InstrInfo.td"
2119 include "MicroMips64r6InstrFormats.td"
2120 include "MicroMips64r6InstrInfo.td"
2123 include "MicroMipsDSPInstrFormats.td"
2124 include "MicroMipsDSPInstrInfo.td"