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 HasMips64r2 : Predicate<"Subtarget->hasMips64r2()">,
182 AssemblerPredicate<"FeatureMips64r2">;
183 def HasMips64r6 : Predicate<"Subtarget->hasMips64r6()">,
184 AssemblerPredicate<"FeatureMips64r6">;
185 def NotMips64r6 : Predicate<"!Subtarget->hasMips64r6()">,
186 AssemblerPredicate<"!FeatureMips64r6">;
187 def HasMicroMips32r6 : Predicate<"Subtarget->inMicroMips32r6Mode()">,
188 AssemblerPredicate<"FeatureMicroMips,FeatureMips32r6">;
189 def HasMicroMips64r6 : Predicate<"Subtarget->inMicroMips64r6Mode()">,
190 AssemblerPredicate<"FeatureMicroMips,FeatureMips64r6">;
191 def InMips16Mode : Predicate<"Subtarget->inMips16Mode()">,
192 AssemblerPredicate<"FeatureMips16">;
193 def HasCnMips : Predicate<"Subtarget->hasCnMips()">,
194 AssemblerPredicate<"FeatureCnMips">;
195 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">;
196 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">;
197 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
198 def HasStdEnc : Predicate<"Subtarget->hasStandardEncoding()">,
199 AssemblerPredicate<"!FeatureMips16">;
200 def NotDSP : Predicate<"!Subtarget->hasDSP()">;
201 def InMicroMips : Predicate<"Subtarget->inMicroMipsMode()">,
202 AssemblerPredicate<"FeatureMicroMips">;
203 def NotInMicroMips : Predicate<"!Subtarget->inMicroMipsMode()">,
204 AssemblerPredicate<"!FeatureMicroMips">;
205 def IsLE : Predicate<"Subtarget->isLittle()">;
206 def IsBE : Predicate<"!Subtarget->isLittle()">;
207 def IsNotNaCl : Predicate<"!Subtarget->isTargetNaCl()">;
209 //===----------------------------------------------------------------------===//
210 // Mips GPR size adjectives.
211 // They are mutually exclusive.
212 //===----------------------------------------------------------------------===//
214 class GPR_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
215 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
217 //===----------------------------------------------------------------------===//
218 // Mips ISA/ASE membership and instruction group membership adjectives.
219 // They are mutually exclusive.
220 //===----------------------------------------------------------------------===//
222 // FIXME: I'd prefer to use additive predicates to build the instruction sets
223 // but we are short on assembler feature bits at the moment. Using a
224 // subtractive predicate will hopefully keep us under the 32 predicate
225 // limit long enough to develop an alternative way to handle P1||P2
227 class ISA_MIPS1_NOT_4_32 {
228 list<Predicate> InsnPredicates = [NotMips4_32];
230 class ISA_MIPS1_NOT_32R6_64R6 {
231 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6];
233 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
234 class ISA_MIPS2_NOT_32R6_64R6 {
235 list<Predicate> InsnPredicates = [HasMips2, NotMips32r6, NotMips64r6];
237 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
238 class ISA_MIPS3_NOT_32R6_64R6 {
239 list<Predicate> InsnPredicates = [HasMips3, NotMips32r6, NotMips64r6];
241 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
242 class ISA_MIPS32_NOT_32R6_64R6 {
243 list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
245 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
246 class ISA_MIPS32R2_NOT_32R6_64R6 {
247 list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
249 class ISA_MIPS32R5 { list<Predicate> InsnPredicates = [HasMips32r5]; }
250 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
251 class ISA_MIPS64_NOT_64R6 {
252 list<Predicate> InsnPredicates = [HasMips64, NotMips64r6];
254 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
255 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
256 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
257 class ISA_MICROMIPS32R6 {
258 list<Predicate> InsnPredicates = [HasMicroMips32r6];
260 class ISA_MICROMIPS64R6 {
261 list<Predicate> InsnPredicates = [HasMicroMips64r6];
264 // The portions of MIPS-III that were also added to MIPS32
265 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
267 // The portions of MIPS-III that were also added to MIPS32 but were removed in
268 // MIPS32r6 and MIPS64r6.
269 class INSN_MIPS3_32_NOT_32R6_64R6 {
270 list<Predicate> InsnPredicates = [HasMips3_32, NotMips32r6, NotMips64r6];
273 // The portions of MIPS-III that were also added to MIPS32
274 class INSN_MIPS3_32R2 { list<Predicate> InsnPredicates = [HasMips3_32r2]; }
276 // The portions of MIPS-IV that were also added to MIPS32 but were removed in
277 // MIPS32r6 and MIPS64r6.
278 class INSN_MIPS4_32_NOT_32R6_64R6 {
279 list<Predicate> InsnPredicates = [HasMips4_32, NotMips32r6, NotMips64r6];
282 // The portions of MIPS-IV that were also added to MIPS32r2 but were removed in
283 // MIPS32r6 and MIPS64r6.
284 class INSN_MIPS4_32R2_NOT_32R6_64R6 {
285 list<Predicate> InsnPredicates = [HasMips4_32r2, NotMips32r6, NotMips64r6];
288 // The portions of MIPS-V that were also added to MIPS32r2 but were removed in
289 // MIPS32r6 and MIPS64r6.
290 class INSN_MIPS5_32R2_NOT_32R6_64R6 {
291 list<Predicate> InsnPredicates = [HasMips5_32r2, NotMips32r6, NotMips64r6];
294 //===----------------------------------------------------------------------===//
296 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
297 let EncodingPredicates = [HasStdEnc];
300 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
301 InstAlias<Asm, Result, Emit>, PredicateControl;
304 bit isCommutable = 1;
321 bit isTerminator = 1;
324 bit hasExtraSrcRegAllocReq = 1;
325 bit isCodeGenOnly = 1;
328 class IsAsCheapAsAMove {
329 bit isAsCheapAsAMove = 1;
332 class NeverHasSideEffects {
333 bit hasSideEffects = 0;
336 //===----------------------------------------------------------------------===//
337 // Instruction format superclass
338 //===----------------------------------------------------------------------===//
340 include "MipsInstrFormats.td"
342 //===----------------------------------------------------------------------===//
343 // Mips Operand, Complex Patterns and Transformations Definitions.
344 //===----------------------------------------------------------------------===//
346 def MipsJumpTargetAsmOperand : AsmOperandClass {
347 let Name = "JumpTarget";
348 let ParserMethod = "parseJumpTarget";
349 let PredicateMethod = "isImm";
350 let RenderMethod = "addImmOperands";
353 // Instruction operand types
354 def jmptarget : Operand<OtherVT> {
355 let EncoderMethod = "getJumpTargetOpValue";
356 let ParserMatchClass = MipsJumpTargetAsmOperand;
358 def brtarget : Operand<OtherVT> {
359 let EncoderMethod = "getBranchTargetOpValue";
360 let OperandType = "OPERAND_PCREL";
361 let DecoderMethod = "DecodeBranchTarget";
362 let ParserMatchClass = MipsJumpTargetAsmOperand;
364 def calltarget : Operand<iPTR> {
365 let EncoderMethod = "getJumpTargetOpValue";
366 let ParserMatchClass = MipsJumpTargetAsmOperand;
369 def imm64: Operand<i64>;
371 def simm9 : Operand<i32>;
372 def simm10 : Operand<i32>;
373 def simm11 : Operand<i32>;
375 def simm16 : Operand<i32> {
376 let DecoderMethod= "DecodeSimm16";
379 def simm19_lsl2 : Operand<i32> {
380 let EncoderMethod = "getSimm19Lsl2Encoding";
381 let DecoderMethod = "DecodeSimm19Lsl2";
382 let ParserMatchClass = MipsJumpTargetAsmOperand;
385 def simm18_lsl3 : Operand<i32> {
386 let EncoderMethod = "getSimm18Lsl3Encoding";
387 let DecoderMethod = "DecodeSimm18Lsl3";
388 let ParserMatchClass = MipsJumpTargetAsmOperand;
391 def simm20 : Operand<i32> {
394 def uimm20 : Operand<i32> {
397 def MipsUImm10AsmOperand : AsmOperandClass {
399 let RenderMethod = "addImmOperands";
400 let ParserMethod = "parseImm";
401 let PredicateMethod = "isUImm<10>";
404 def uimm10 : Operand<i32> {
405 let ParserMatchClass = MipsUImm10AsmOperand;
408 def simm16_64 : Operand<i64> {
409 let DecoderMethod = "DecodeSimm16";
413 def uimmz : Operand<i32> {
414 let PrintMethod = "printUnsignedImm";
418 def uimm2 : Operand<i32> {
419 let PrintMethod = "printUnsignedImm";
422 def uimm3 : Operand<i32> {
423 let PrintMethod = "printUnsignedImm";
426 def uimm5 : Operand<i32> {
427 let PrintMethod = "printUnsignedImm";
430 def uimm6 : Operand<i32> {
431 let PrintMethod = "printUnsignedImm";
434 def uimm16 : Operand<i32> {
435 let PrintMethod = "printUnsignedImm";
438 def pcrel16 : Operand<i32> {
441 def MipsMemAsmOperand : AsmOperandClass {
443 let ParserMethod = "parseMemOperand";
446 def MipsMemSimm11AsmOperand : AsmOperandClass {
447 let Name = "MemOffsetSimm11";
448 let SuperClasses = [MipsMemAsmOperand];
449 let RenderMethod = "addMemOperands";
450 let ParserMethod = "parseMemOperand";
451 let PredicateMethod = "isMemWithSimmOffset<11>";
454 def MipsMemSimm16AsmOperand : AsmOperandClass {
455 let Name = "MemOffsetSimm16";
456 let SuperClasses = [MipsMemAsmOperand];
457 let RenderMethod = "addMemOperands";
458 let ParserMethod = "parseMemOperand";
459 let PredicateMethod = "isMemWithSimmOffset<16>";
462 def MipsInvertedImmoperand : AsmOperandClass {
464 let RenderMethod = "addImmOperands";
465 let ParserMethod = "parseInvNum";
468 def InvertedImOperand : Operand<i32> {
469 let ParserMatchClass = MipsInvertedImmoperand;
472 def InvertedImOperand64 : Operand<i64> {
473 let ParserMatchClass = MipsInvertedImmoperand;
476 class mem_generic : Operand<iPTR> {
477 let PrintMethod = "printMemOperand";
478 let MIOperandInfo = (ops ptr_rc, simm16);
479 let EncoderMethod = "getMemEncoding";
480 let ParserMatchClass = MipsMemAsmOperand;
481 let OperandType = "OPERAND_MEMORY";
485 def mem : mem_generic;
487 // MSA specific address operand
488 def mem_msa : mem_generic {
489 let MIOperandInfo = (ops ptr_rc, simm10);
490 let EncoderMethod = "getMSAMemEncoding";
493 def mem_simm9 : mem_generic {
494 let MIOperandInfo = (ops ptr_rc, simm9);
495 let EncoderMethod = "getMemEncoding";
498 def mem_simm11 : mem_generic {
499 let MIOperandInfo = (ops ptr_rc, simm11);
500 let EncoderMethod = "getMemEncoding";
501 let ParserMatchClass = MipsMemSimm11AsmOperand;
504 def mem_simm16 : mem_generic {
505 let MIOperandInfo = (ops ptr_rc, simm16);
506 let EncoderMethod = "getMemEncoding";
507 let ParserMatchClass = MipsMemSimm16AsmOperand;
510 def mem_ea : Operand<iPTR> {
511 let PrintMethod = "printMemOperandEA";
512 let MIOperandInfo = (ops ptr_rc, simm16);
513 let EncoderMethod = "getMemEncoding";
514 let OperandType = "OPERAND_MEMORY";
517 def PtrRC : Operand<iPTR> {
518 let MIOperandInfo = (ops ptr_rc);
519 let DecoderMethod = "DecodePtrRegisterClass";
520 let ParserMatchClass = GPR32AsmOperand;
523 // size operand of ext instruction
524 def size_ext : Operand<i32> {
525 let EncoderMethod = "getSizeExtEncoding";
526 let DecoderMethod = "DecodeExtSize";
529 // size operand of ins instruction
530 def size_ins : Operand<i32> {
531 let EncoderMethod = "getSizeInsEncoding";
532 let DecoderMethod = "DecodeInsSize";
535 // Transformation Function - get the lower 16 bits.
536 def LO16 : SDNodeXForm<imm, [{
537 return getImm(N, N->getZExtValue() & 0xFFFF);
540 // Transformation Function - get the higher 16 bits.
541 def HI16 : SDNodeXForm<imm, [{
542 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
546 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
548 // Node immediate is zero (e.g. insve.d)
549 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
551 // Node immediate fits as 16-bit sign extended on target immediate.
553 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
555 // Node immediate fits as 16-bit sign extended on target immediate.
557 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
559 // Node immediate fits as 15-bit sign extended on target immediate.
561 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
563 // Node immediate fits as 16-bit zero extended on target immediate.
564 // The LO16 param means that only the lower 16 bits of the node
565 // immediate are caught.
567 def immZExt16 : PatLeaf<(imm), [{
568 if (N->getValueType(0) == MVT::i32)
569 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
571 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
574 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
575 def immLow16Zero : PatLeaf<(imm), [{
576 int64_t Val = N->getSExtValue();
577 return isInt<32>(Val) && !(Val & 0xffff);
580 // shamt field must fit in 5 bits.
581 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
583 // True if (N + 1) fits in 16-bit field.
584 def immSExt16Plus1 : PatLeaf<(imm), [{
585 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
588 // Mips Address Mode! SDNode frameindex could possibily be a match
589 // since load and store instructions from stack used it.
591 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
594 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
597 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
600 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
602 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
604 //===----------------------------------------------------------------------===//
605 // Instructions specific format
606 //===----------------------------------------------------------------------===//
608 // Arithmetic and logical instructions with 3 register operands.
609 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
610 InstrItinClass Itin = NoItinerary,
611 SDPatternOperator OpNode = null_frag>:
612 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
613 !strconcat(opstr, "\t$rd, $rs, $rt"),
614 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
615 let isCommutable = isComm;
616 let isReMaterializable = 1;
617 let TwoOperandAliasConstraint = "$rd = $rs";
620 // Arithmetic and logical instructions with 2 register operands.
621 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
622 InstrItinClass Itin = NoItinerary,
623 SDPatternOperator imm_type = null_frag,
624 SDPatternOperator OpNode = null_frag> :
625 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
626 !strconcat(opstr, "\t$rt, $rs, $imm16"),
627 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
629 let isReMaterializable = 1;
630 let TwoOperandAliasConstraint = "$rs = $rt";
633 // Arithmetic Multiply ADD/SUB
634 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
635 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
636 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
637 let Defs = [HI0, LO0];
638 let Uses = [HI0, LO0];
639 let isCommutable = isComm;
643 class LogicNOR<string opstr, RegisterOperand RO>:
644 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
645 !strconcat(opstr, "\t$rd, $rs, $rt"),
646 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
647 let isCommutable = 1;
651 class shift_rotate_imm<string opstr, Operand ImmOpnd,
652 RegisterOperand RO, InstrItinClass itin,
653 SDPatternOperator OpNode = null_frag,
654 SDPatternOperator PF = null_frag> :
655 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
656 !strconcat(opstr, "\t$rd, $rt, $shamt"),
657 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
658 let TwoOperandAliasConstraint = "$rt = $rd";
661 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
662 SDPatternOperator OpNode = null_frag>:
663 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
664 !strconcat(opstr, "\t$rd, $rt, $rs"),
665 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
668 // Load Upper Imediate
669 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
670 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
671 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
672 let hasSideEffects = 0;
673 let isReMaterializable = 1;
677 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
678 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
679 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
680 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
681 let DecoderMethod = "DecodeMem";
682 let canFoldAsLoad = 1;
686 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
687 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
688 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
689 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
690 let DecoderMethod = "DecodeMem";
694 // Load/Store Left/Right
695 let canFoldAsLoad = 1 in
696 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
697 InstrItinClass Itin> :
698 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
699 !strconcat(opstr, "\t$rt, $addr"),
700 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
701 let DecoderMethod = "DecodeMem";
702 string Constraints = "$src = $rt";
705 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
706 InstrItinClass Itin> :
707 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
708 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
709 let DecoderMethod = "DecodeMem";
713 class LW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
714 SDPatternOperator OpNode= null_frag> :
715 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
716 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
717 let DecoderMethod = "DecodeFMem2";
721 class SW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
722 SDPatternOperator OpNode= null_frag> :
723 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
724 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
725 let DecoderMethod = "DecodeFMem2";
730 class LW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
731 SDPatternOperator OpNode= null_frag> :
732 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
733 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
734 let DecoderMethod = "DecodeFMem3";
738 class SW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
739 SDPatternOperator OpNode= null_frag> :
740 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
741 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
742 let DecoderMethod = "DecodeFMem3";
746 // Conditional Branch
747 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
748 RegisterOperand RO, bit DelaySlot = 1> :
749 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
750 !strconcat(opstr, "\t$rs, $rt, $offset"),
751 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
754 let isTerminator = 1;
755 let hasDelaySlot = DelaySlot;
759 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
760 RegisterOperand RO, bit DelaySlot = 1> :
761 InstSE<(outs), (ins RO:$rs, opnd:$offset),
762 !strconcat(opstr, "\t$rs, $offset"),
763 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
766 let isTerminator = 1;
767 let hasDelaySlot = DelaySlot;
772 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
773 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
774 !strconcat(opstr, "\t$rd, $rs, $rt"),
775 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
776 II_SLT_SLTU, FrmR, opstr>;
778 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
780 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
781 !strconcat(opstr, "\t$rt, $rs, $imm16"),
782 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
783 II_SLTI_SLTIU, FrmI, opstr>;
786 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
787 SDPatternOperator targetoperator, string bopstr> :
788 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
789 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
792 let hasDelaySlot = 1;
793 let DecoderMethod = "DecodeJumpTarget";
797 // Unconditional branch
798 class UncondBranch<Instruction BEQInst> :
799 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
800 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
802 let isTerminator = 1;
804 let hasDelaySlot = 1;
805 let AdditionalPredicates = [RelocPIC];
809 // Base class for indirect branch and return instruction classes.
810 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
811 class JumpFR<string opstr, RegisterOperand RO,
812 SDPatternOperator operator = null_frag>:
813 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
817 class IndirectBranch<string opstr, RegisterOperand RO> : JumpFR<opstr, RO> {
819 let isIndirectBranch = 1;
822 // Jump and Link (Call)
823 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
824 class JumpLink<string opstr, DAGOperand opnd> :
825 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
826 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
827 let DecoderMethod = "DecodeJumpTarget";
830 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
831 Register RetReg, RegisterOperand ResRO = RO>:
832 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
833 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
835 class JumpLinkReg<string opstr, RegisterOperand RO>:
836 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
839 class BGEZAL_FT<string opstr, DAGOperand opnd,
840 RegisterOperand RO, bit DelaySlot = 1> :
841 InstSE<(outs), (ins RO:$rs, opnd:$offset),
842 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr> {
843 let hasDelaySlot = DelaySlot;
848 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
849 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
850 class TailCall<Instruction JumpInst> :
851 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
852 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
854 class TailCallReg<RegisterOperand RO, Instruction JRInst,
855 RegisterOperand ResRO = RO> :
856 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
857 PseudoInstExpansion<(JRInst ResRO:$rs)>;
860 class BAL_BR_Pseudo<Instruction RealInst> :
861 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
862 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
864 let isTerminator = 1;
866 let hasDelaySlot = 1;
871 class SYS_FT<string opstr> :
872 InstSE<(outs), (ins uimm20:$code_),
873 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
875 class BRK_FT<string opstr> :
876 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
877 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
881 class ER_FT<string opstr> :
882 InstSE<(outs), (ins),
883 opstr, [], NoItinerary, FrmOther, opstr>;
886 class DEI_FT<string opstr, RegisterOperand RO> :
887 InstSE<(outs RO:$rt), (ins),
888 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
891 class WAIT_FT<string opstr> :
892 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
895 let hasSideEffects = 1 in
896 class SYNC_FT<string opstr> :
897 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
898 NoItinerary, FrmOther, opstr>;
900 class SYNCI_FT<string opstr> :
901 InstSE<(outs), (ins mem_simm16:$addr), !strconcat(opstr, "\t$addr"), [],
902 NoItinerary, FrmOther, opstr> {
903 let hasSideEffects = 1;
904 let DecoderMethod = "DecodeSyncI";
907 let hasSideEffects = 1 in
908 class TEQ_FT<string opstr, RegisterOperand RO> :
909 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
910 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
913 class TEQI_FT<string opstr, RegisterOperand RO> :
914 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
915 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
917 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
918 list<Register> DefRegs> :
919 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
921 let isCommutable = 1;
923 let hasSideEffects = 0;
926 // Pseudo multiply/divide instruction with explicit accumulator register
928 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
929 SDPatternOperator OpNode, InstrItinClass Itin,
930 bit IsComm = 1, bit HasSideEffects = 0,
931 bit UsesCustomInserter = 0> :
932 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
933 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
934 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
935 let isCommutable = IsComm;
936 let hasSideEffects = HasSideEffects;
937 let usesCustomInserter = UsesCustomInserter;
940 // Pseudo multiply add/sub instruction with explicit accumulator register
942 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
944 : PseudoSE<(outs ACC64:$ac),
945 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
947 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
949 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
950 string Constraints = "$acin = $ac";
953 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
954 list<Register> DefRegs> :
955 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
956 [], itin, FrmR, opstr> {
961 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
962 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
963 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
965 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
966 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
969 let hasSideEffects = 0;
972 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
973 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
974 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
977 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
978 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
981 let hasSideEffects = 0;
984 class EffectiveAddress<string opstr, RegisterOperand RO> :
985 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
986 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
987 !strconcat(opstr, "_lea")> {
988 let isCodeGenOnly = 1;
989 let DecoderMethod = "DecodeMem";
992 // Count Leading Ones/Zeros in Word
993 class CountLeading0<string opstr, RegisterOperand RO>:
994 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
995 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
997 class CountLeading1<string opstr, RegisterOperand RO>:
998 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
999 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
1001 // Sign Extend in Register.
1002 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
1003 InstrItinClass itin> :
1004 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
1005 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
1008 class SubwordSwap<string opstr, RegisterOperand RO>:
1009 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
1010 NoItinerary, FrmR, opstr> {
1011 let hasSideEffects = 0;
1015 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
1016 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
1017 II_RDHWR, FrmR, "rdhwr">;
1020 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1021 SDPatternOperator Op = null_frag>:
1022 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
1023 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1024 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], II_EXT,
1025 FrmR, opstr>, ISA_MIPS32R2;
1027 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1028 SDPatternOperator Op = null_frag>:
1029 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
1030 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1031 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
1032 II_INS, FrmR, opstr>, ISA_MIPS32R2 {
1033 let Constraints = "$src = $rt";
1036 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
1037 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
1038 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
1039 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
1041 // Atomic Compare & Swap.
1042 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
1043 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
1044 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
1046 class LLBase<string opstr, RegisterOperand RO> :
1047 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
1048 [], NoItinerary, FrmI> {
1049 let DecoderMethod = "DecodeMem";
1053 class SCBase<string opstr, RegisterOperand RO> :
1054 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
1055 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
1056 let DecoderMethod = "DecodeMem";
1058 let Constraints = "$rt = $dst";
1061 class MFC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1062 InstSE<(outs RO:$rt), (ins RD:$rd, uimm16:$sel),
1063 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1065 class MTC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1066 InstSE<(outs RO:$rd), (ins RD:$rt, uimm16:$sel),
1067 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1069 class TrapBase<Instruction RealInst>
1070 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
1071 PseudoInstExpansion<(RealInst 0, 0)> {
1073 let isTerminator = 1;
1074 let isCodeGenOnly = 1;
1077 //===----------------------------------------------------------------------===//
1078 // Pseudo instructions
1079 //===----------------------------------------------------------------------===//
1082 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
1083 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
1085 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1086 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
1087 [(callseq_start timm:$amt)]>;
1088 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
1089 [(callseq_end timm:$amt1, timm:$amt2)]>;
1092 let usesCustomInserter = 1 in {
1093 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
1094 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
1095 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
1096 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
1097 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
1098 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
1099 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
1100 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
1101 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
1102 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
1103 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
1104 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
1105 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
1106 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
1107 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
1108 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
1109 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
1110 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
1112 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
1113 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
1114 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
1116 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
1117 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1118 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1121 /// Pseudo instructions for loading and storing accumulator registers.
1122 let isPseudo = 1, isCodeGenOnly = 1 in {
1123 def LOAD_ACC64 : Load<"", ACC64>;
1124 def STORE_ACC64 : Store<"", ACC64>;
1127 // We need these two pseudo instructions to avoid offset calculation for long
1128 // branches. See the comment in file MipsLongBranch.cpp for detailed
1131 // Expands to: lui $dst, %hi($tgt - $baltgt)
1132 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1133 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1135 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1136 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1137 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1139 //===----------------------------------------------------------------------===//
1140 // Instruction definition
1141 //===----------------------------------------------------------------------===//
1142 //===----------------------------------------------------------------------===//
1143 // MipsI Instructions
1144 //===----------------------------------------------------------------------===//
1146 /// Arithmetic Instructions (ALU Immediate)
1147 let AdditionalPredicates = [NotInMicroMips] in {
1148 def ADDiu : MMRel, StdMMR6Rel, ArithLogicI<"addiu", simm16, GPR32Opnd,
1149 II_ADDIU, immSExt16, add>,
1150 ADDI_FM<0x9>, IsAsCheapAsAMove;
1152 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1153 ISA_MIPS1_NOT_32R6_64R6;
1154 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1156 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1158 let AdditionalPredicates = [NotInMicroMips] in {
1159 def ANDi : MMRel, StdMMR6Rel,
1160 ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16, and>,
1163 def ORi : MMRel, StdMMR6Rel,
1164 ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16, or>,
1166 def XORi : MMRel, StdMMR6Rel,
1167 ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16, xor>,
1169 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1170 let AdditionalPredicates = [NotInMicroMips] in {
1171 /// Arithmetic Instructions (3-Operand, R-Type)
1172 def ADDu : MMRel, StdMMR6Rel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1174 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1177 let Defs = [HI0, LO0] in
1178 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1179 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1180 def ADD : MMRel, StdMMR6Rel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1181 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1182 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1183 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1184 let AdditionalPredicates = [NotInMicroMips] in {
1185 def AND : MMRel, StdMMR6Rel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1187 def OR : MMRel, StdMMR6Rel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1189 def XOR : MMRel, StdMMR6Rel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1192 def NOR : MMRel, StdMMR6Rel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1194 /// Shift Instructions
1195 let AdditionalPredicates = [NotInMicroMips] in {
1196 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1197 immZExt5>, SRA_FM<0, 0>;
1198 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1199 immZExt5>, SRA_FM<2, 0>;
1201 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1202 immZExt5>, SRA_FM<3, 0>;
1203 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1205 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1207 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1210 // Rotate Instructions
1211 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1213 SRA_FM<2, 1>, ISA_MIPS32R2;
1214 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1215 SRLV_FM<6, 1>, ISA_MIPS32R2;
1217 /// Load and Store Instructions
1219 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1220 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1222 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1224 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1225 let AdditionalPredicates = [NotInMicroMips] in {
1226 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1229 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1230 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1231 let AdditionalPredicates = [NotInMicroMips] in {
1232 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1235 /// load/store left/right
1236 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1237 AdditionalPredicates = [NotInMicroMips] in {
1238 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1239 ISA_MIPS1_NOT_32R6_64R6;
1240 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1241 ISA_MIPS1_NOT_32R6_64R6;
1242 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1243 ISA_MIPS1_NOT_32R6_64R6;
1244 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1245 ISA_MIPS1_NOT_32R6_64R6;
1248 let AdditionalPredicates = [NotInMicroMips] in {
1249 // COP2 Memory Instructions
1250 def LWC2 : LW_FT2<"lwc2", COP2Opnd, NoItinerary, load>, LW_FM<0x32>,
1251 ISA_MIPS1_NOT_32R6_64R6;
1252 def SWC2 : SW_FT2<"swc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3a>,
1253 ISA_MIPS1_NOT_32R6_64R6;
1254 def LDC2 : LW_FT2<"ldc2", COP2Opnd, NoItinerary, load>, LW_FM<0x36>,
1255 ISA_MIPS2_NOT_32R6_64R6;
1256 def SDC2 : SW_FT2<"sdc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3e>,
1257 ISA_MIPS2_NOT_32R6_64R6;
1259 // COP3 Memory Instructions
1260 let DecoderNamespace = "COP3_" in {
1261 def LWC3 : LW_FT3<"lwc3", COP3Opnd, NoItinerary, load>, LW_FM<0x33>;
1262 def SWC3 : SW_FT3<"swc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3b>;
1263 def LDC3 : LW_FT3<"ldc3", COP3Opnd, NoItinerary, load>, LW_FM<0x37>,
1265 def SDC3 : SW_FT3<"sdc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3f>,
1270 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
1271 def SYNCI : MMRel, SYNCI_FT<"synci">, SYNCI_FM, ISA_MIPS32R2;
1273 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>, ISA_MIPS2;
1274 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>, ISA_MIPS2;
1275 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>, ISA_MIPS2;
1276 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>, ISA_MIPS2;
1277 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>, ISA_MIPS2;
1278 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>, ISA_MIPS2;
1280 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1281 ISA_MIPS2_NOT_32R6_64R6;
1282 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1283 ISA_MIPS2_NOT_32R6_64R6;
1284 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1285 ISA_MIPS2_NOT_32R6_64R6;
1286 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1287 ISA_MIPS2_NOT_32R6_64R6;
1288 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1289 ISA_MIPS2_NOT_32R6_64R6;
1290 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1291 ISA_MIPS2_NOT_32R6_64R6;
1293 let AdditionalPredicates = [NotInMicroMips] in {
1294 def BREAK : MMRel, StdMMR6Rel, BRK_FT<"break">, BRK_FM<0xd>;
1296 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1297 def TRAP : TrapBase<BREAK>;
1298 def SDBBP : MMRel, SYS_FT<"sdbbp">, SDBBP_FM, ISA_MIPS32_NOT_32R6_64R6;
1300 let AdditionalPredicates = [NotInMicroMips] in {
1301 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18, 0x0>, INSN_MIPS3_32;
1302 def ERETNC : MMRel, ER_FT<"eretnc">, ER_FM<0x18, 0x1>, ISA_MIPS32R5;
1304 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f, 0x0>, ISA_MIPS32;
1306 let AdditionalPredicates = [NotInMicroMips] in {
1307 def EI : MMRel, StdMMR6Rel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1309 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1311 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1312 AdditionalPredicates = [NotInMicroMips] in {
1313 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1315 /// Load-linked, Store-conditional
1316 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2_NOT_32R6_64R6;
1317 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2_NOT_32R6_64R6;
1320 /// Jump and Branch Instructions
1321 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1322 AdditionalRequires<[RelocStatic]>, IsBranch;
1323 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1324 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1325 def BEQL : MMRel, CBranch<"beql", brtarget, seteq, GPR32Opnd, 0>,
1326 BEQ_FM<20>, ISA_MIPS2_NOT_32R6_64R6;
1327 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1328 def BNEL : MMRel, CBranch<"bnel", brtarget, setne, GPR32Opnd, 0>,
1329 BEQ_FM<21>, ISA_MIPS2_NOT_32R6_64R6;
1330 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1332 def BGEZL : MMRel, CBranchZero<"bgezl", brtarget, setge, GPR32Opnd, 0>,
1333 BGEZ_FM<1, 3>, ISA_MIPS2_NOT_32R6_64R6;
1334 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1336 def BGTZL : MMRel, CBranchZero<"bgtzl", brtarget, setgt, GPR32Opnd, 0>,
1337 BGEZ_FM<23, 0>, ISA_MIPS2_NOT_32R6_64R6;
1338 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1340 def BLEZL : MMRel, CBranchZero<"blezl", brtarget, setle, GPR32Opnd, 0>,
1341 BGEZ_FM<22, 0>, ISA_MIPS2_NOT_32R6_64R6;
1342 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1344 def BLTZL : MMRel, CBranchZero<"bltzl", brtarget, setlt, GPR32Opnd, 0>,
1345 BGEZ_FM<1, 2>, ISA_MIPS2_NOT_32R6_64R6;
1346 def B : UncondBranch<BEQ>;
1348 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1349 let AdditionalPredicates = [NotInMicroMips] in {
1350 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1351 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1354 def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
1355 ISA_MIPS32_NOT_32R6_64R6;
1356 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
1357 ISA_MIPS1_NOT_32R6_64R6;
1358 def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
1359 BGEZAL_FM<0x13>, ISA_MIPS2_NOT_32R6_64R6;
1360 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>,
1361 ISA_MIPS1_NOT_32R6_64R6;
1362 def BLTZALL : MMRel, BGEZAL_FT<"bltzall", brtarget, GPR32Opnd, 0>,
1363 BGEZAL_FM<0x12>, ISA_MIPS2_NOT_32R6_64R6;
1364 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1365 def TAILCALL : TailCall<J>;
1366 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1368 // Indirect branches are matched as PseudoIndirectBranch/PseudoIndirectBranch64
1369 // then are expanded to JR, JR64, JALR, or JALR64 depending on the ISA.
1370 class PseudoIndirectBranchBase<RegisterOperand RO> :
1371 MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)], IIBranch> {
1374 let hasDelaySlot = 1;
1376 let isIndirectBranch = 1;
1379 def PseudoIndirectBranch : PseudoIndirectBranchBase<GPR32Opnd>;
1381 // Return instructions are matched as a RetRA instruction, then ar expanded
1382 // into PseudoReturn/PseudoReturn64 after register allocation. Finally,
1383 // MipsAsmPrinter expands this into JR, JR64, JALR, or JALR64 depending on the
1385 class PseudoReturnBase<RegisterOperand RO> : MipsPseudo<(outs), (ins RO:$rs),
1387 let isTerminator = 1;
1389 let hasDelaySlot = 1;
1391 let isCodeGenOnly = 1;
1393 let hasExtraSrcRegAllocReq = 1;
1396 def PseudoReturn : PseudoReturnBase<GPR32Opnd>;
1398 // Exception handling related node and instructions.
1399 // The conversion sequence is:
1400 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1401 // MIPSeh_return -> (stack change + indirect branch)
1403 // MIPSeh_return takes the place of regular return instruction
1404 // but takes two arguments (V1, V0) which are used for storing
1405 // the offset and return address respectively.
1406 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1408 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1409 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1411 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1412 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1413 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1414 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1416 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1419 /// Multiply and Divide Instructions.
1420 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1421 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1422 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1423 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1424 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1425 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1426 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1427 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1429 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1430 ISA_MIPS1_NOT_32R6_64R6;
1431 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1432 ISA_MIPS1_NOT_32R6_64R6;
1433 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1434 AdditionalPredicates = [NotInMicroMips] in {
1435 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1436 ISA_MIPS1_NOT_32R6_64R6;
1437 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1438 ISA_MIPS1_NOT_32R6_64R6;
1441 /// Sign Ext In Register Instructions.
1442 def SEB : MMRel, StdMMR6Rel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1443 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1444 def SEH : MMRel, StdMMR6Rel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1445 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1448 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>,
1449 ISA_MIPS32_NOT_32R6_64R6;
1450 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>,
1451 ISA_MIPS32_NOT_32R6_64R6;
1453 /// Word Swap Bytes Within Halfwords
1454 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1457 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1459 // FrameIndexes are legalized when they are operands from load/store
1460 // instructions. The same not happens for stack address copies, so an
1461 // add op with mem ComplexPattern is used and the stack address copy
1462 // can be matched. It's similar to Sparc LEA_ADDRi
1463 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1466 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1467 ISA_MIPS32_NOT_32R6_64R6;
1468 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1469 ISA_MIPS32_NOT_32R6_64R6;
1470 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1471 ISA_MIPS32_NOT_32R6_64R6;
1472 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1473 ISA_MIPS32_NOT_32R6_64R6;
1475 let AdditionalPredicates = [NotDSP] in {
1476 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1477 ISA_MIPS1_NOT_32R6_64R6;
1478 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1479 ISA_MIPS1_NOT_32R6_64R6;
1480 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1481 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1482 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1483 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1484 ISA_MIPS32_NOT_32R6_64R6;
1485 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1486 ISA_MIPS32_NOT_32R6_64R6;
1487 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1488 ISA_MIPS32_NOT_32R6_64R6;
1489 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1490 ISA_MIPS32_NOT_32R6_64R6;
1493 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1494 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1495 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1496 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1498 def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1500 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1501 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1503 /// Move Control Registers From/To CPU Registers
1504 def MFC0 : MFC3OP<"mfc0", GPR32Opnd, COP0Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1505 def MTC0 : MTC3OP<"mtc0", COP0Opnd, GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1506 def MFC2 : MFC3OP<"mfc2", GPR32Opnd, COP2Opnd>, MFC3OP_FM<0x12, 0>;
1507 def MTC2 : MTC3OP<"mtc2", COP2Opnd, GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1509 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1511 def SSNOP : MMRel, Barrier<"ssnop">, BARRIER_FM<1>;
1512 def EHB : MMRel, Barrier<"ehb">, BARRIER_FM<3>;
1513 def PAUSE : MMRel, Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1515 // JR_HB and JALR_HB are defined here using the new style naming
1516 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1517 // and because of that it doesn't follow the naming convention of the
1518 // rest of the file. To avoid a mixture of old vs new style, the new
1519 // style was chosen.
1520 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1521 dag OutOperandList = (outs);
1522 dag InOperandList = (ins GPROpnd:$rs);
1523 string AsmString = !strconcat(instr_asm, "\t$rs");
1524 list<dag> Pattern = [];
1527 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1528 dag OutOperandList = (outs GPROpnd:$rd);
1529 dag InOperandList = (ins GPROpnd:$rs);
1530 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1531 list<dag> Pattern = [];
1534 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1535 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1537 let isIndirectBranch=1;
1543 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1544 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1545 let isIndirectBranch=1;
1549 class JR_HB_ENC : JR_HB_FM<8>;
1550 class JALR_HB_ENC : JALR_HB_FM<9>;
1552 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1553 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1555 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1557 def TLBP : MMRel, TLB<"tlbp">, COP0_TLB_FM<0x08>;
1558 def TLBR : MMRel, TLB<"tlbr">, COP0_TLB_FM<0x01>;
1559 def TLBWI : MMRel, TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1560 def TLBWR : MMRel, TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1562 class CacheOp<string instr_asm, Operand MemOpnd> :
1563 InstSE<(outs), (ins MemOpnd:$addr, uimm5:$hint),
1564 !strconcat(instr_asm, "\t$hint, $addr"), [], NoItinerary, FrmOther,
1566 let DecoderMethod = "DecodeCacheOp";
1569 def CACHE : MMRel, CacheOp<"cache", mem>, CACHEOP_FM<0b101111>,
1570 INSN_MIPS3_32_NOT_32R6_64R6;
1571 def PREF : MMRel, CacheOp<"pref", mem>, CACHEOP_FM<0b110011>,
1572 INSN_MIPS3_32_NOT_32R6_64R6;
1574 //===----------------------------------------------------------------------===//
1575 // Instruction aliases
1576 //===----------------------------------------------------------------------===//
1577 def : MipsInstAlias<"move $dst, $src",
1578 (OR GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1580 let AdditionalPredicates = [NotInMicroMips];
1582 def : MipsInstAlias<"move $dst, $src",
1583 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1585 let AdditionalPredicates = [NotInMicroMips];
1587 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>,
1588 ISA_MIPS1_NOT_32R6_64R6;
1589 def : MipsInstAlias<"addu $rs, $rt, $imm",
1590 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1591 def : MipsInstAlias<"addu $rs, $imm",
1592 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1593 def : MipsInstAlias<"add $rs, $rt, $imm",
1594 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>,
1595 ISA_MIPS1_NOT_32R6_64R6;
1596 def : MipsInstAlias<"add $rs, $imm",
1597 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>,
1598 ISA_MIPS1_NOT_32R6_64R6;
1599 def : MipsInstAlias<"and $rs, $rt, $imm",
1600 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1601 def : MipsInstAlias<"and $rs, $imm",
1602 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1603 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1604 let Predicates = [NotInMicroMips] in {
1605 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1607 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1608 def : MipsInstAlias<"not $rt, $rs",
1609 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1610 def : MipsInstAlias<"neg $rt, $rs",
1611 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1612 def : MipsInstAlias<"negu $rt",
1613 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1614 def : MipsInstAlias<"negu $rt, $rs",
1615 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1616 def : MipsInstAlias<"slt $rs, $rt, $imm",
1617 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1618 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1619 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1620 def : MipsInstAlias<"xor $rs, $rt, $imm",
1621 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1622 def : MipsInstAlias<"xor $rs, $imm",
1623 (XORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1624 def : MipsInstAlias<"or $rs, $rt, $imm",
1625 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1626 def : MipsInstAlias<"or $rs, $imm",
1627 (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1628 let AdditionalPredicates = [NotInMicroMips] in {
1629 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1631 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, COP0Opnd:$rd, 0), 0>;
1632 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 COP0Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1633 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, COP2Opnd:$rd, 0), 0>;
1634 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 COP2Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1635 let AdditionalPredicates = [NotInMicroMips] in {
1636 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1638 def : MipsInstAlias<"bnez $rs,$offset",
1639 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1640 def : MipsInstAlias<"bnezl $rs,$offset",
1641 (BNEL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1642 def : MipsInstAlias<"beqz $rs,$offset",
1643 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1644 def : MipsInstAlias<"beqzl $rs,$offset",
1645 (BEQL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1646 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1648 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1649 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1650 let AdditionalPredicates = [NotInMicroMips] in {
1651 def : MipsInstAlias<"ei", (EI ZERO), 1>, ISA_MIPS32R2;
1653 def : MipsInstAlias<"di", (DI ZERO), 1>, ISA_MIPS32R2;
1655 def : MipsInstAlias<"teq $rs, $rt",
1656 (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1657 def : MipsInstAlias<"tge $rs, $rt",
1658 (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1659 def : MipsInstAlias<"tgeu $rs, $rt",
1660 (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1661 def : MipsInstAlias<"tlt $rs, $rt",
1662 (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1663 def : MipsInstAlias<"tltu $rs, $rt",
1664 (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1665 def : MipsInstAlias<"tne $rs, $rt",
1666 (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1668 def : MipsInstAlias<"sll $rd, $rt, $rs",
1669 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1670 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1671 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1672 InvertedImOperand:$imm), 0>, ISA_MIPS1_NOT_32R6_64R6;
1673 def : MipsInstAlias<"sub $rs, $imm",
1674 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1675 0>, ISA_MIPS1_NOT_32R6_64R6;
1676 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1677 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1678 InvertedImOperand:$imm), 0>;
1679 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1680 InvertedImOperand:$imm), 0>;
1681 def : MipsInstAlias<"sra $rd, $rt, $rs",
1682 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1683 def : MipsInstAlias<"srl $rd, $rt, $rs",
1684 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1685 def : MipsInstAlias<"sdbbp", (SDBBP 0)>, ISA_MIPS32_NOT_32R6_64R6;
1686 def : MipsInstAlias<"sync",
1687 (SYNC 0), 1>, ISA_MIPS2;
1688 //===----------------------------------------------------------------------===//
1689 // Assembler Pseudo Instructions
1690 //===----------------------------------------------------------------------===//
1692 class LoadImmediate32<string instr_asm, Operand Od, RegisterOperand RO> :
1693 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1694 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1695 def LoadImm32 : LoadImmediate32<"li", uimm5, GPR32Opnd>;
1697 class LoadAddressFromReg32<string instr_asm, Operand MemOpnd,
1698 RegisterOperand RO> :
1699 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1700 !strconcat(instr_asm, "\t$rt, $addr")> ;
1701 def LoadAddrReg32 : LoadAddressFromReg32<"la", mem, GPR32Opnd>;
1703 class LoadAddressFromImm32<string instr_asm, Operand Od, RegisterOperand RO> :
1704 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1705 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1706 def LoadAddrImm32 : LoadAddressFromImm32<"la", uimm5, GPR32Opnd>;
1708 def JalTwoReg : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rs),
1710 def JalOneReg : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs),
1713 let hasDelaySlot = 1 in {
1714 def BneImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1715 (ins imm64:$imm64, brtarget:$offset),
1716 "bne\t$rt, $imm64, $offset">;
1717 def BeqImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1718 (ins imm64:$imm64, brtarget:$offset),
1719 "beq\t$rt, $imm64, $offset">;
1721 class CondBranchPseudo<string instr_asm> :
1722 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt,
1724 !strconcat(instr_asm, "\t$rs, $rt, $offset")>;
1727 def BLT : CondBranchPseudo<"blt">;
1728 def BLE : CondBranchPseudo<"ble">;
1729 def BGE : CondBranchPseudo<"bge">;
1730 def BGT : CondBranchPseudo<"bgt">;
1731 def BLTU : CondBranchPseudo<"bltu">;
1732 def BLEU : CondBranchPseudo<"bleu">;
1733 def BGEU : CondBranchPseudo<"bgeu">;
1734 def BGTU : CondBranchPseudo<"bgtu">;
1736 def Ulhu : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1737 "ulhu\t$rt, $addr">, ISA_MIPS1_NOT_32R6_64R6;
1739 def Ulw : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1740 "ulw\t$rt, $addr">, ISA_MIPS1_NOT_32R6_64R6;
1742 //===----------------------------------------------------------------------===//
1743 // Arbitrary patterns that map to one or more instructions
1744 //===----------------------------------------------------------------------===//
1746 // Load/store pattern templates.
1747 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1748 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1750 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1751 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1754 let AdditionalPredicates = [NotInMicroMips] in {
1755 def : MipsPat<(i32 immSExt16:$in),
1756 (ADDiu ZERO, imm:$in)>;
1757 def : MipsPat<(i32 immZExt16:$in),
1758 (ORi ZERO, imm:$in)>;
1760 def : MipsPat<(i32 immLow16Zero:$in),
1761 (LUi (HI16 imm:$in))>;
1763 // Arbitrary immediates
1764 def : MipsPat<(i32 imm:$imm),
1765 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1767 // Carry MipsPatterns
1768 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1769 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1770 let AdditionalPredicates = [NotDSP] in {
1771 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1772 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1773 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1774 (ADDiu GPR32:$src, imm:$imm)>;
1777 // Support multiplication for pre-Mips32 targets that don't have
1778 // the MUL instruction.
1779 def : MipsPat<(mul GPR32:$lhs, GPR32:$rhs),
1780 (PseudoMFLO (PseudoMULT GPR32:$lhs, GPR32:$rhs))>,
1781 ISA_MIPS1_NOT_32R6_64R6;
1784 def : MipsPat<(MipsSync (i32 immz)),
1785 (SYNC 0)>, ISA_MIPS2;
1788 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1789 (JAL tglobaladdr:$dst)>;
1790 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1791 (JAL texternalsym:$dst)>;
1792 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1793 // (JALR GPR32:$dst)>;
1796 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1797 (TAILCALL tglobaladdr:$dst)>;
1798 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1799 (TAILCALL texternalsym:$dst)>;
1801 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1802 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1803 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1804 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1805 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1806 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1808 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1809 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1810 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1811 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1812 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1813 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1815 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1816 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1817 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1818 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1819 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1820 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1821 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1822 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1823 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1824 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1827 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1828 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1829 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1830 (ADDiu GPR32:$gp, tconstpool:$in)>;
1833 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1834 MipsPat<(MipsWrapper RC:$gp, node:$in),
1835 (ADDiuOp RC:$gp, node:$in)>;
1837 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1838 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1839 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1840 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1841 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1842 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1844 let AdditionalPredicates = [NotInMicroMips] in {
1845 // Mips does not have "not", so we expand our way
1846 def : MipsPat<(not GPR32:$in),
1847 (NOR GPR32Opnd:$in, ZERO)>;
1851 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1852 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1853 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1856 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1859 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1860 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1861 Instruction SLTiuOp, Register ZEROReg> {
1862 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1863 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1864 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1865 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1867 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1868 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1869 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1870 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1871 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1872 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1873 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1874 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1875 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1876 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1877 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1878 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1880 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1881 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1882 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1883 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1885 def : MipsPat<(brcond RC:$cond, bb:$dst),
1886 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1889 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1891 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1892 (BLEZ i32:$lhs, bb:$dst)>;
1893 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1894 (BGEZ i32:$lhs, bb:$dst)>;
1897 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1898 Instruction SLTuOp, Register ZEROReg> {
1899 def : MipsPat<(seteq RC:$lhs, 0),
1900 (SLTiuOp RC:$lhs, 1)>;
1901 def : MipsPat<(setne RC:$lhs, 0),
1902 (SLTuOp ZEROReg, RC:$lhs)>;
1903 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1904 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1905 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1906 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1909 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1910 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1911 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1912 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1913 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1916 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1917 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1918 (SLTOp RC:$rhs, RC:$lhs)>;
1919 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1920 (SLTuOp RC:$rhs, RC:$lhs)>;
1923 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1924 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1925 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1926 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1927 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1930 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1931 Instruction SLTiuOp> {
1932 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1933 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1934 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1935 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1938 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1939 defm : SetlePats<GPR32, SLT, SLTu>;
1940 defm : SetgtPats<GPR32, SLT, SLTu>;
1941 defm : SetgePats<GPR32, SLT, SLTu>;
1942 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1945 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1947 // Load halfword/word patterns.
1948 let AddedComplexity = 40 in {
1949 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1950 def : LoadRegImmPat<LH, i32, sextloadi16>;
1951 let AdditionalPredicates = [NotInMicroMips] in {
1952 def : LoadRegImmPat<LW, i32, load>;
1956 //===----------------------------------------------------------------------===//
1957 // Floating Point Support
1958 //===----------------------------------------------------------------------===//
1960 include "MipsInstrFPU.td"
1961 include "Mips64InstrInfo.td"
1962 include "MipsCondMov.td"
1964 include "Mips32r6InstrInfo.td"
1965 include "Mips64r6InstrInfo.td"
1970 include "Mips16InstrFormats.td"
1971 include "Mips16InstrInfo.td"
1974 include "MipsDSPInstrFormats.td"
1975 include "MipsDSPInstrInfo.td"
1978 include "MipsMSAInstrFormats.td"
1979 include "MipsMSAInstrInfo.td"
1982 include "MicroMipsInstrFormats.td"
1983 include "MicroMipsInstrInfo.td"
1984 include "MicroMipsInstrFPU.td"
1987 include "MicroMips32r6InstrFormats.td"
1988 include "MicroMips32r6InstrInfo.td"
1991 include "MicroMips64r6InstrFormats.td"
1992 include "MicroMips64r6InstrInfo.td"