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()">;
208 def UseTCCInDIV : AssemblerPredicate<"FeatureUseTCCInDIV">;
210 //===----------------------------------------------------------------------===//
211 // Mips GPR size adjectives.
212 // They are mutually exclusive.
213 //===----------------------------------------------------------------------===//
215 class GPR_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
216 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
218 //===----------------------------------------------------------------------===//
219 // Mips ISA/ASE membership and instruction group membership adjectives.
220 // They are mutually exclusive.
221 //===----------------------------------------------------------------------===//
223 // FIXME: I'd prefer to use additive predicates to build the instruction sets
224 // but we are short on assembler feature bits at the moment. Using a
225 // subtractive predicate will hopefully keep us under the 32 predicate
226 // limit long enough to develop an alternative way to handle P1||P2
228 class ISA_MIPS1_NOT_4_32 {
229 list<Predicate> InsnPredicates = [NotMips4_32];
231 class ISA_MIPS1_NOT_32R6_64R6 {
232 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6];
234 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
235 class ISA_MIPS2_NOT_32R6_64R6 {
236 list<Predicate> InsnPredicates = [HasMips2, NotMips32r6, NotMips64r6];
238 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
239 class ISA_MIPS3_NOT_32R6_64R6 {
240 list<Predicate> InsnPredicates = [HasMips3, NotMips32r6, NotMips64r6];
242 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
243 class ISA_MIPS32_NOT_32R6_64R6 {
244 list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
246 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
247 class ISA_MIPS32R2_NOT_32R6_64R6 {
248 list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
250 class ISA_MIPS32R5 { list<Predicate> InsnPredicates = [HasMips32r5]; }
251 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
252 class ISA_MIPS64_NOT_64R6 {
253 list<Predicate> InsnPredicates = [HasMips64, NotMips64r6];
255 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
256 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
257 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
258 class ISA_MICROMIPS { list<Predicate> InsnPredicates = [InMicroMips]; }
259 class ISA_MICROMIPS32R6 {
260 list<Predicate> InsnPredicates = [HasMicroMips32r6];
262 class ISA_MICROMIPS64R6 {
263 list<Predicate> InsnPredicates = [HasMicroMips64r6];
266 // The portions of MIPS-III that were also added to MIPS32
267 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
269 // The portions of MIPS-III that were also added to MIPS32 but were removed in
270 // MIPS32r6 and MIPS64r6.
271 class INSN_MIPS3_32_NOT_32R6_64R6 {
272 list<Predicate> InsnPredicates = [HasMips3_32, NotMips32r6, NotMips64r6];
275 // The portions of MIPS-III that were also added to MIPS32
276 class INSN_MIPS3_32R2 { list<Predicate> InsnPredicates = [HasMips3_32r2]; }
278 // The portions of MIPS-IV that were also added to MIPS32 but were removed in
279 // MIPS32r6 and MIPS64r6.
280 class INSN_MIPS4_32_NOT_32R6_64R6 {
281 list<Predicate> InsnPredicates = [HasMips4_32, NotMips32r6, NotMips64r6];
284 // The portions of MIPS-IV that were also added to MIPS32r2 but were removed in
285 // MIPS32r6 and MIPS64r6.
286 class INSN_MIPS4_32R2_NOT_32R6_64R6 {
287 list<Predicate> InsnPredicates = [HasMips4_32r2, NotMips32r6, NotMips64r6];
290 // The portions of MIPS-V that were also added to MIPS32r2 but were removed in
291 // MIPS32r6 and MIPS64r6.
292 class INSN_MIPS5_32R2_NOT_32R6_64R6 {
293 list<Predicate> InsnPredicates = [HasMips5_32r2, NotMips32r6, NotMips64r6];
296 // Class used for separating microMIPSr6 and microMIPS (r3) instruction.
297 // It can be used only on instructions that doesn't inherit PredicateControl.
298 class ISA_MICROMIPS_NOT_32R6_64R6 : PredicateControl {
299 let InsnPredicates = [InMicroMips, NotMips32r6, NotMips64r6];
302 //===----------------------------------------------------------------------===//
304 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
305 let EncodingPredicates = [HasStdEnc];
308 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
309 InstAlias<Asm, Result, Emit>, PredicateControl;
312 bit isCommutable = 1;
329 bit isTerminator = 1;
332 bit hasExtraSrcRegAllocReq = 1;
333 bit isCodeGenOnly = 1;
336 class IsAsCheapAsAMove {
337 bit isAsCheapAsAMove = 1;
340 class NeverHasSideEffects {
341 bit hasSideEffects = 0;
344 //===----------------------------------------------------------------------===//
345 // Instruction format superclass
346 //===----------------------------------------------------------------------===//
348 include "MipsInstrFormats.td"
350 //===----------------------------------------------------------------------===//
351 // Mips Operand, Complex Patterns and Transformations Definitions.
352 //===----------------------------------------------------------------------===//
354 def MipsJumpTargetAsmOperand : AsmOperandClass {
355 let Name = "JumpTarget";
356 let ParserMethod = "parseJumpTarget";
357 let PredicateMethod = "isImm";
358 let RenderMethod = "addImmOperands";
361 // Instruction operand types
362 def jmptarget : Operand<OtherVT> {
363 let EncoderMethod = "getJumpTargetOpValue";
364 let ParserMatchClass = MipsJumpTargetAsmOperand;
366 def brtarget : Operand<OtherVT> {
367 let EncoderMethod = "getBranchTargetOpValue";
368 let OperandType = "OPERAND_PCREL";
369 let DecoderMethod = "DecodeBranchTarget";
370 let ParserMatchClass = MipsJumpTargetAsmOperand;
372 def calltarget : Operand<iPTR> {
373 let EncoderMethod = "getJumpTargetOpValue";
374 let ParserMatchClass = MipsJumpTargetAsmOperand;
377 def imm64: Operand<i64>;
379 def simm9 : Operand<i32>;
380 def simm10 : Operand<i32>;
381 def simm11 : Operand<i32>;
383 def simm16 : Operand<i32> {
384 let DecoderMethod= "DecodeSimm16";
387 def simm19_lsl2 : Operand<i32> {
388 let EncoderMethod = "getSimm19Lsl2Encoding";
389 let DecoderMethod = "DecodeSimm19Lsl2";
390 let ParserMatchClass = MipsJumpTargetAsmOperand;
393 def simm18_lsl3 : Operand<i32> {
394 let EncoderMethod = "getSimm18Lsl3Encoding";
395 let DecoderMethod = "DecodeSimm18Lsl3";
396 let ParserMatchClass = MipsJumpTargetAsmOperand;
399 def simm20 : Operand<i32> {
402 def uimm20 : Operand<i32> {
405 def MipsUImm10AsmOperand : AsmOperandClass {
407 let RenderMethod = "addImmOperands";
408 let ParserMethod = "parseImm";
409 let PredicateMethod = "isUImm<10>";
412 def uimm10 : Operand<i32> {
413 let ParserMatchClass = MipsUImm10AsmOperand;
416 def simm16_64 : Operand<i64> {
417 let DecoderMethod = "DecodeSimm16";
421 def uimmz : Operand<i32> {
422 let PrintMethod = "printUnsignedImm";
426 def uimm2 : Operand<i32> {
427 let PrintMethod = "printUnsignedImm";
430 def uimm3 : Operand<i32> {
431 let PrintMethod = "printUnsignedImm";
434 def uimm5 : Operand<i32> {
435 let PrintMethod = "printUnsignedImm";
438 def uimm6 : Operand<i32> {
439 let PrintMethod = "printUnsignedImm";
442 def uimm16 : Operand<i32> {
443 let PrintMethod = "printUnsignedImm";
446 def pcrel16 : Operand<i32> {
449 def MipsMemAsmOperand : AsmOperandClass {
451 let ParserMethod = "parseMemOperand";
454 def MipsMemSimm11AsmOperand : AsmOperandClass {
455 let Name = "MemOffsetSimm11";
456 let SuperClasses = [MipsMemAsmOperand];
457 let RenderMethod = "addMemOperands";
458 let ParserMethod = "parseMemOperand";
459 let PredicateMethod = "isMemWithSimmOffset<11>";
462 def MipsMemSimm16AsmOperand : AsmOperandClass {
463 let Name = "MemOffsetSimm16";
464 let SuperClasses = [MipsMemAsmOperand];
465 let RenderMethod = "addMemOperands";
466 let ParserMethod = "parseMemOperand";
467 let PredicateMethod = "isMemWithSimmOffset<16>";
470 def MipsInvertedImmoperand : AsmOperandClass {
472 let RenderMethod = "addImmOperands";
473 let ParserMethod = "parseInvNum";
476 def InvertedImOperand : Operand<i32> {
477 let ParserMatchClass = MipsInvertedImmoperand;
480 def InvertedImOperand64 : Operand<i64> {
481 let ParserMatchClass = MipsInvertedImmoperand;
484 class mem_generic : Operand<iPTR> {
485 let PrintMethod = "printMemOperand";
486 let MIOperandInfo = (ops ptr_rc, simm16);
487 let EncoderMethod = "getMemEncoding";
488 let ParserMatchClass = MipsMemAsmOperand;
489 let OperandType = "OPERAND_MEMORY";
493 def mem : mem_generic;
495 // MSA specific address operand
496 def mem_msa : mem_generic {
497 let MIOperandInfo = (ops ptr_rc, simm10);
498 let EncoderMethod = "getMSAMemEncoding";
501 def mem_simm9 : mem_generic {
502 let MIOperandInfo = (ops ptr_rc, simm9);
503 let EncoderMethod = "getMemEncoding";
506 def mem_simm11 : mem_generic {
507 let MIOperandInfo = (ops ptr_rc, simm11);
508 let EncoderMethod = "getMemEncoding";
509 let ParserMatchClass = MipsMemSimm11AsmOperand;
512 def mem_simm16 : mem_generic {
513 let MIOperandInfo = (ops ptr_rc, simm16);
514 let EncoderMethod = "getMemEncoding";
515 let ParserMatchClass = MipsMemSimm16AsmOperand;
518 def mem_ea : Operand<iPTR> {
519 let PrintMethod = "printMemOperandEA";
520 let MIOperandInfo = (ops ptr_rc, simm16);
521 let EncoderMethod = "getMemEncoding";
522 let OperandType = "OPERAND_MEMORY";
525 def PtrRC : Operand<iPTR> {
526 let MIOperandInfo = (ops ptr_rc);
527 let DecoderMethod = "DecodePtrRegisterClass";
528 let ParserMatchClass = GPR32AsmOperand;
531 // size operand of ext instruction
532 def size_ext : Operand<i32> {
533 let EncoderMethod = "getSizeExtEncoding";
534 let DecoderMethod = "DecodeExtSize";
537 // size operand of ins instruction
538 def size_ins : Operand<i32> {
539 let EncoderMethod = "getSizeInsEncoding";
540 let DecoderMethod = "DecodeInsSize";
543 // Transformation Function - get the lower 16 bits.
544 def LO16 : SDNodeXForm<imm, [{
545 return getImm(N, N->getZExtValue() & 0xFFFF);
548 // Transformation Function - get the higher 16 bits.
549 def HI16 : SDNodeXForm<imm, [{
550 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
554 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
556 // Node immediate is zero (e.g. insve.d)
557 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
559 // Node immediate fits as 16-bit sign extended on target immediate.
561 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
563 // Node immediate fits as 16-bit sign extended on target immediate.
565 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
567 // Node immediate fits as 15-bit sign extended on target immediate.
569 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
571 // Node immediate fits as 16-bit zero extended on target immediate.
572 // The LO16 param means that only the lower 16 bits of the node
573 // immediate are caught.
575 def immZExt16 : PatLeaf<(imm), [{
576 if (N->getValueType(0) == MVT::i32)
577 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
579 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
582 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
583 def immLow16Zero : PatLeaf<(imm), [{
584 int64_t Val = N->getSExtValue();
585 return isInt<32>(Val) && !(Val & 0xffff);
588 // shamt field must fit in 5 bits.
589 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
591 // True if (N + 1) fits in 16-bit field.
592 def immSExt16Plus1 : PatLeaf<(imm), [{
593 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
596 // Mips Address Mode! SDNode frameindex could possibily be a match
597 // since load and store instructions from stack used it.
599 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
602 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
605 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
608 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
610 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
612 //===----------------------------------------------------------------------===//
613 // Instructions specific format
614 //===----------------------------------------------------------------------===//
616 // Arithmetic and logical instructions with 3 register operands.
617 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
618 InstrItinClass Itin = NoItinerary,
619 SDPatternOperator OpNode = null_frag>:
620 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
621 !strconcat(opstr, "\t$rd, $rs, $rt"),
622 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
623 let isCommutable = isComm;
624 let isReMaterializable = 1;
625 let TwoOperandAliasConstraint = "$rd = $rs";
628 // Arithmetic and logical instructions with 2 register operands.
629 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
630 InstrItinClass Itin = NoItinerary,
631 SDPatternOperator imm_type = null_frag,
632 SDPatternOperator OpNode = null_frag> :
633 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
634 !strconcat(opstr, "\t$rt, $rs, $imm16"),
635 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
637 let isReMaterializable = 1;
638 let TwoOperandAliasConstraint = "$rs = $rt";
641 // Arithmetic Multiply ADD/SUB
642 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
643 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
644 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
645 let Defs = [HI0, LO0];
646 let Uses = [HI0, LO0];
647 let isCommutable = isComm;
651 class LogicNOR<string opstr, RegisterOperand RO>:
652 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
653 !strconcat(opstr, "\t$rd, $rs, $rt"),
654 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
655 let isCommutable = 1;
659 class shift_rotate_imm<string opstr, Operand ImmOpnd,
660 RegisterOperand RO, InstrItinClass itin,
661 SDPatternOperator OpNode = null_frag,
662 SDPatternOperator PF = null_frag> :
663 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
664 !strconcat(opstr, "\t$rd, $rt, $shamt"),
665 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
666 let TwoOperandAliasConstraint = "$rt = $rd";
669 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
670 SDPatternOperator OpNode = null_frag>:
671 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
672 !strconcat(opstr, "\t$rd, $rt, $rs"),
673 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
676 // Load Upper Imediate
677 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
678 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
679 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
680 let hasSideEffects = 0;
681 let isReMaterializable = 1;
685 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
686 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
687 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
688 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
689 let DecoderMethod = "DecodeMem";
690 let canFoldAsLoad = 1;
694 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
695 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
696 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
697 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
698 let DecoderMethod = "DecodeMem";
702 // Load/Store Left/Right
703 let canFoldAsLoad = 1 in
704 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
705 InstrItinClass Itin> :
706 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
707 !strconcat(opstr, "\t$rt, $addr"),
708 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
709 let DecoderMethod = "DecodeMem";
710 string Constraints = "$src = $rt";
713 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
714 InstrItinClass Itin> :
715 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
716 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
717 let DecoderMethod = "DecodeMem";
721 class LW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
722 SDPatternOperator OpNode= null_frag> :
723 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
724 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
725 let DecoderMethod = "DecodeFMem2";
729 class SW_FT2<string opstr, RegisterOperand RC, InstrItinClass Itin,
730 SDPatternOperator OpNode= null_frag> :
731 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
732 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
733 let DecoderMethod = "DecodeFMem2";
738 class LW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
739 SDPatternOperator OpNode= null_frag> :
740 InstSE<(outs RC:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
741 [(set RC:$rt, (OpNode addrDefault:$addr))], Itin, FrmFI, opstr> {
742 let DecoderMethod = "DecodeFMem3";
746 class SW_FT3<string opstr, RegisterOperand RC, InstrItinClass Itin,
747 SDPatternOperator OpNode= null_frag> :
748 InstSE<(outs), (ins RC:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
749 [(OpNode RC:$rt, addrDefault:$addr)], Itin, FrmFI, opstr> {
750 let DecoderMethod = "DecodeFMem3";
754 // Conditional Branch
755 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
756 RegisterOperand RO, bit DelaySlot = 1> :
757 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
758 !strconcat(opstr, "\t$rs, $rt, $offset"),
759 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
762 let isTerminator = 1;
763 let hasDelaySlot = DelaySlot;
767 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
768 RegisterOperand RO, bit DelaySlot = 1> :
769 InstSE<(outs), (ins RO:$rs, opnd:$offset),
770 !strconcat(opstr, "\t$rs, $offset"),
771 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
774 let isTerminator = 1;
775 let hasDelaySlot = DelaySlot;
780 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
781 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
782 !strconcat(opstr, "\t$rd, $rs, $rt"),
783 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
784 II_SLT_SLTU, FrmR, opstr>;
786 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
788 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
789 !strconcat(opstr, "\t$rt, $rs, $imm16"),
790 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
791 II_SLTI_SLTIU, FrmI, opstr>;
794 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
795 SDPatternOperator targetoperator, string bopstr> :
796 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
797 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
800 let hasDelaySlot = 1;
801 let DecoderMethod = "DecodeJumpTarget";
805 // Unconditional branch
806 class UncondBranch<Instruction BEQInst> :
807 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
808 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
810 let isTerminator = 1;
812 let hasDelaySlot = 1;
813 let AdditionalPredicates = [RelocPIC];
817 // Base class for indirect branch and return instruction classes.
818 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
819 class JumpFR<string opstr, RegisterOperand RO,
820 SDPatternOperator operator = null_frag>:
821 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
825 class IndirectBranch<string opstr, RegisterOperand RO> : JumpFR<opstr, RO> {
827 let isIndirectBranch = 1;
830 // Jump and Link (Call)
831 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
832 class JumpLink<string opstr, DAGOperand opnd> :
833 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
834 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
835 let DecoderMethod = "DecodeJumpTarget";
838 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
839 Register RetReg, RegisterOperand ResRO = RO>:
840 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
841 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
843 class JumpLinkReg<string opstr, RegisterOperand RO>:
844 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
847 class BGEZAL_FT<string opstr, DAGOperand opnd,
848 RegisterOperand RO, bit DelaySlot = 1> :
849 InstSE<(outs), (ins RO:$rs, opnd:$offset),
850 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr> {
851 let hasDelaySlot = DelaySlot;
856 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
857 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
858 class TailCall<Instruction JumpInst> :
859 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
860 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
862 class TailCallReg<RegisterOperand RO, Instruction JRInst,
863 RegisterOperand ResRO = RO> :
864 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
865 PseudoInstExpansion<(JRInst ResRO:$rs)>;
868 class BAL_BR_Pseudo<Instruction RealInst> :
869 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
870 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
872 let isTerminator = 1;
874 let hasDelaySlot = 1;
879 class SYS_FT<string opstr> :
880 InstSE<(outs), (ins uimm20:$code_),
881 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
883 class BRK_FT<string opstr> :
884 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
885 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
889 class ER_FT<string opstr> :
890 InstSE<(outs), (ins),
891 opstr, [], NoItinerary, FrmOther, opstr>;
894 class DEI_FT<string opstr, RegisterOperand RO> :
895 InstSE<(outs RO:$rt), (ins),
896 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
899 class WAIT_FT<string opstr> :
900 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
903 let hasSideEffects = 1 in
904 class SYNC_FT<string opstr> :
905 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
906 NoItinerary, FrmOther, opstr>;
908 class SYNCI_FT<string opstr> :
909 InstSE<(outs), (ins mem_simm16:$addr), !strconcat(opstr, "\t$addr"), [],
910 NoItinerary, FrmOther, opstr> {
911 let hasSideEffects = 1;
912 let DecoderMethod = "DecodeSyncI";
915 let hasSideEffects = 1 in
916 class TEQ_FT<string opstr, RegisterOperand RO> :
917 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
918 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
921 class TEQI_FT<string opstr, RegisterOperand RO> :
922 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
923 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
925 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
926 list<Register> DefRegs> :
927 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
929 let isCommutable = 1;
931 let hasSideEffects = 0;
934 // Pseudo multiply/divide instruction with explicit accumulator register
936 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
937 SDPatternOperator OpNode, InstrItinClass Itin,
938 bit IsComm = 1, bit HasSideEffects = 0,
939 bit UsesCustomInserter = 0> :
940 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
941 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
942 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
943 let isCommutable = IsComm;
944 let hasSideEffects = HasSideEffects;
945 let usesCustomInserter = UsesCustomInserter;
948 // Pseudo multiply add/sub instruction with explicit accumulator register
950 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
952 : PseudoSE<(outs ACC64:$ac),
953 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
955 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
957 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
958 string Constraints = "$acin = $ac";
961 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
962 list<Register> DefRegs> :
963 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
964 [], itin, FrmR, opstr> {
969 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
970 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
971 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
973 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
974 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
977 let hasSideEffects = 0;
980 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
981 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
982 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
985 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
986 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
989 let hasSideEffects = 0;
992 class EffectiveAddress<string opstr, RegisterOperand RO> :
993 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
994 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
995 !strconcat(opstr, "_lea")> {
996 let isCodeGenOnly = 1;
997 let DecoderMethod = "DecodeMem";
1000 // Count Leading Ones/Zeros in Word
1001 class CountLeading0<string opstr, RegisterOperand RO>:
1002 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1003 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
1005 class CountLeading1<string opstr, RegisterOperand RO>:
1006 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
1007 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
1009 // Sign Extend in Register.
1010 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
1011 InstrItinClass itin> :
1012 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
1013 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
1016 class SubwordSwap<string opstr, RegisterOperand RO>:
1017 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
1018 NoItinerary, FrmR, opstr> {
1019 let hasSideEffects = 0;
1023 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
1024 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
1025 II_RDHWR, FrmR, "rdhwr">;
1028 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1029 SDPatternOperator Op = null_frag>:
1030 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
1031 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1032 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], II_EXT,
1033 FrmR, opstr>, ISA_MIPS32R2;
1035 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
1036 SDPatternOperator Op = null_frag>:
1037 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
1038 !strconcat(opstr, " $rt, $rs, $pos, $size"),
1039 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
1040 II_INS, FrmR, opstr>, ISA_MIPS32R2 {
1041 let Constraints = "$src = $rt";
1044 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
1045 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
1046 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
1047 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
1049 // Atomic Compare & Swap.
1050 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
1051 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
1052 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
1054 class LLBase<string opstr, RegisterOperand RO> :
1055 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
1056 [], NoItinerary, FrmI> {
1057 let DecoderMethod = "DecodeMem";
1061 class SCBase<string opstr, RegisterOperand RO> :
1062 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
1063 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
1064 let DecoderMethod = "DecodeMem";
1066 let Constraints = "$rt = $dst";
1069 class MFC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1070 InstSE<(outs RO:$rt), (ins RD:$rd, uimm16:$sel),
1071 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1073 class MTC3OP<string asmstr, RegisterOperand RO, RegisterOperand RD> :
1074 InstSE<(outs RO:$rd), (ins RD:$rt, uimm16:$sel),
1075 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
1077 class TrapBase<Instruction RealInst>
1078 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
1079 PseudoInstExpansion<(RealInst 0, 0)> {
1081 let isTerminator = 1;
1082 let isCodeGenOnly = 1;
1085 //===----------------------------------------------------------------------===//
1086 // Pseudo instructions
1087 //===----------------------------------------------------------------------===//
1090 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
1091 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
1093 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1094 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
1095 [(callseq_start timm:$amt)]>;
1096 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
1097 [(callseq_end timm:$amt1, timm:$amt2)]>;
1100 let usesCustomInserter = 1 in {
1101 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
1102 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
1103 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
1104 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
1105 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
1106 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
1107 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
1108 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
1109 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
1110 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
1111 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
1112 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
1113 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
1114 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
1115 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
1116 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
1117 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
1118 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
1120 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
1121 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
1122 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
1124 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
1125 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1126 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1129 /// Pseudo instructions for loading and storing accumulator registers.
1130 let isPseudo = 1, isCodeGenOnly = 1 in {
1131 def LOAD_ACC64 : Load<"", ACC64>;
1132 def STORE_ACC64 : Store<"", ACC64>;
1135 // We need these two pseudo instructions to avoid offset calculation for long
1136 // branches. See the comment in file MipsLongBranch.cpp for detailed
1139 // Expands to: lui $dst, %hi($tgt - $baltgt)
1140 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1141 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1143 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1144 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1145 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1147 //===----------------------------------------------------------------------===//
1148 // Instruction definition
1149 //===----------------------------------------------------------------------===//
1150 //===----------------------------------------------------------------------===//
1151 // MipsI Instructions
1152 //===----------------------------------------------------------------------===//
1154 /// Arithmetic Instructions (ALU Immediate)
1155 let AdditionalPredicates = [NotInMicroMips] in {
1156 def ADDiu : MMRel, StdMMR6Rel, ArithLogicI<"addiu", simm16, GPR32Opnd,
1157 II_ADDIU, immSExt16, add>,
1158 ADDI_FM<0x9>, IsAsCheapAsAMove;
1160 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1161 ISA_MIPS1_NOT_32R6_64R6;
1162 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1164 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1166 let AdditionalPredicates = [NotInMicroMips] in {
1167 def ANDi : MMRel, StdMMR6Rel,
1168 ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16, and>,
1171 def ORi : MMRel, StdMMR6Rel,
1172 ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16, or>,
1174 def XORi : MMRel, StdMMR6Rel,
1175 ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16, xor>,
1177 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1178 let AdditionalPredicates = [NotInMicroMips] in {
1179 /// Arithmetic Instructions (3-Operand, R-Type)
1180 def ADDu : MMRel, StdMMR6Rel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1182 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1185 let Defs = [HI0, LO0] in
1186 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1187 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1188 def ADD : MMRel, StdMMR6Rel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1189 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1190 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1191 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1192 let AdditionalPredicates = [NotInMicroMips] in {
1193 def AND : MMRel, StdMMR6Rel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1195 def OR : MMRel, StdMMR6Rel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1197 def XOR : MMRel, StdMMR6Rel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1200 def NOR : MMRel, StdMMR6Rel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1202 /// Shift Instructions
1203 let AdditionalPredicates = [NotInMicroMips] in {
1204 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1205 immZExt5>, SRA_FM<0, 0>;
1206 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1207 immZExt5>, SRA_FM<2, 0>;
1209 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1210 immZExt5>, SRA_FM<3, 0>;
1211 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1213 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1215 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1218 // Rotate Instructions
1219 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1221 SRA_FM<2, 1>, ISA_MIPS32R2;
1222 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1223 SRLV_FM<6, 1>, ISA_MIPS32R2;
1225 /// Load and Store Instructions
1227 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1228 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1230 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1232 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1233 let AdditionalPredicates = [NotInMicroMips] in {
1234 def LW : StdMMR6Rel, Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1237 def SB : StdMMR6Rel, Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel,
1239 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1240 let AdditionalPredicates = [NotInMicroMips] in {
1241 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1244 /// load/store left/right
1245 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1246 AdditionalPredicates = [NotInMicroMips] in {
1247 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1248 ISA_MIPS1_NOT_32R6_64R6;
1249 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1250 ISA_MIPS1_NOT_32R6_64R6;
1251 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1252 ISA_MIPS1_NOT_32R6_64R6;
1253 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1254 ISA_MIPS1_NOT_32R6_64R6;
1257 let AdditionalPredicates = [NotInMicroMips] in {
1258 // COP2 Memory Instructions
1259 def LWC2 : LW_FT2<"lwc2", COP2Opnd, NoItinerary, load>, LW_FM<0x32>,
1260 ISA_MIPS1_NOT_32R6_64R6;
1261 def SWC2 : SW_FT2<"swc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3a>,
1262 ISA_MIPS1_NOT_32R6_64R6;
1263 def LDC2 : LW_FT2<"ldc2", COP2Opnd, NoItinerary, load>, LW_FM<0x36>,
1264 ISA_MIPS2_NOT_32R6_64R6;
1265 def SDC2 : SW_FT2<"sdc2", COP2Opnd, NoItinerary, store>, LW_FM<0x3e>,
1266 ISA_MIPS2_NOT_32R6_64R6;
1268 // COP3 Memory Instructions
1269 let DecoderNamespace = "COP3_" in {
1270 def LWC3 : LW_FT3<"lwc3", COP3Opnd, NoItinerary, load>, LW_FM<0x33>;
1271 def SWC3 : SW_FT3<"swc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3b>;
1272 def LDC3 : LW_FT3<"ldc3", COP3Opnd, NoItinerary, load>, LW_FM<0x37>,
1274 def SDC3 : SW_FT3<"sdc3", COP3Opnd, NoItinerary, store>, LW_FM<0x3f>,
1279 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
1280 def SYNCI : MMRel, SYNCI_FT<"synci">, SYNCI_FM, ISA_MIPS32R2;
1282 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>, ISA_MIPS2;
1283 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>, ISA_MIPS2;
1284 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>, ISA_MIPS2;
1285 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>, ISA_MIPS2;
1286 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>, ISA_MIPS2;
1287 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>, ISA_MIPS2;
1289 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1290 ISA_MIPS2_NOT_32R6_64R6;
1291 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1292 ISA_MIPS2_NOT_32R6_64R6;
1293 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1294 ISA_MIPS2_NOT_32R6_64R6;
1295 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1296 ISA_MIPS2_NOT_32R6_64R6;
1297 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1298 ISA_MIPS2_NOT_32R6_64R6;
1299 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1300 ISA_MIPS2_NOT_32R6_64R6;
1302 let AdditionalPredicates = [NotInMicroMips] in {
1303 def BREAK : MMRel, StdMMR6Rel, BRK_FT<"break">, BRK_FM<0xd>;
1305 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1306 def TRAP : TrapBase<BREAK>;
1307 def SDBBP : MMRel, SYS_FT<"sdbbp">, SDBBP_FM, ISA_MIPS32_NOT_32R6_64R6;
1309 let AdditionalPredicates = [NotInMicroMips] in {
1310 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18, 0x0>, INSN_MIPS3_32;
1311 def ERETNC : MMRel, ER_FT<"eretnc">, ER_FM<0x18, 0x1>, ISA_MIPS32R5;
1313 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f, 0x0>, ISA_MIPS32;
1315 let AdditionalPredicates = [NotInMicroMips] in {
1316 def EI : MMRel, StdMMR6Rel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1318 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1320 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1321 AdditionalPredicates = [NotInMicroMips] in {
1322 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1324 /// Load-linked, Store-conditional
1325 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2_NOT_32R6_64R6;
1326 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2_NOT_32R6_64R6;
1329 /// Jump and Branch Instructions
1330 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1331 AdditionalRequires<[RelocStatic]>, IsBranch;
1332 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1333 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1334 def BEQL : MMRel, CBranch<"beql", brtarget, seteq, GPR32Opnd, 0>,
1335 BEQ_FM<20>, ISA_MIPS2_NOT_32R6_64R6;
1336 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1337 def BNEL : MMRel, CBranch<"bnel", brtarget, setne, GPR32Opnd, 0>,
1338 BEQ_FM<21>, ISA_MIPS2_NOT_32R6_64R6;
1339 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1341 def BGEZL : MMRel, CBranchZero<"bgezl", brtarget, setge, GPR32Opnd, 0>,
1342 BGEZ_FM<1, 3>, ISA_MIPS2_NOT_32R6_64R6;
1343 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1345 def BGTZL : MMRel, CBranchZero<"bgtzl", brtarget, setgt, GPR32Opnd, 0>,
1346 BGEZ_FM<23, 0>, ISA_MIPS2_NOT_32R6_64R6;
1347 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1349 def BLEZL : MMRel, CBranchZero<"blezl", brtarget, setle, GPR32Opnd, 0>,
1350 BGEZ_FM<22, 0>, ISA_MIPS2_NOT_32R6_64R6;
1351 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1353 def BLTZL : MMRel, CBranchZero<"bltzl", brtarget, setlt, GPR32Opnd, 0>,
1354 BGEZ_FM<1, 2>, ISA_MIPS2_NOT_32R6_64R6;
1355 def B : UncondBranch<BEQ>;
1357 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1358 let AdditionalPredicates = [NotInMicroMips] in {
1359 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1360 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1363 def JALX : MMRel, JumpLink<"jalx", calltarget>, FJ<0x1D>,
1364 ISA_MIPS32_NOT_32R6_64R6;
1365 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
1366 ISA_MIPS1_NOT_32R6_64R6;
1367 def BGEZALL : MMRel, BGEZAL_FT<"bgezall", brtarget, GPR32Opnd, 0>,
1368 BGEZAL_FM<0x13>, ISA_MIPS2_NOT_32R6_64R6;
1369 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>,
1370 ISA_MIPS1_NOT_32R6_64R6;
1371 def BLTZALL : MMRel, BGEZAL_FT<"bltzall", brtarget, GPR32Opnd, 0>,
1372 BGEZAL_FM<0x12>, ISA_MIPS2_NOT_32R6_64R6;
1373 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1374 def TAILCALL : TailCall<J>;
1375 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1377 // Indirect branches are matched as PseudoIndirectBranch/PseudoIndirectBranch64
1378 // then are expanded to JR, JR64, JALR, or JALR64 depending on the ISA.
1379 class PseudoIndirectBranchBase<RegisterOperand RO> :
1380 MipsPseudo<(outs), (ins RO:$rs), [(brind RO:$rs)], IIBranch> {
1383 let hasDelaySlot = 1;
1385 let isIndirectBranch = 1;
1388 def PseudoIndirectBranch : PseudoIndirectBranchBase<GPR32Opnd>;
1390 // Return instructions are matched as a RetRA instruction, then ar expanded
1391 // into PseudoReturn/PseudoReturn64 after register allocation. Finally,
1392 // MipsAsmPrinter expands this into JR, JR64, JALR, or JALR64 depending on the
1394 class PseudoReturnBase<RegisterOperand RO> : MipsPseudo<(outs), (ins RO:$rs),
1396 let isTerminator = 1;
1398 let hasDelaySlot = 1;
1400 let isCodeGenOnly = 1;
1402 let hasExtraSrcRegAllocReq = 1;
1405 def PseudoReturn : PseudoReturnBase<GPR32Opnd>;
1407 // Exception handling related node and instructions.
1408 // The conversion sequence is:
1409 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1410 // MIPSeh_return -> (stack change + indirect branch)
1412 // MIPSeh_return takes the place of regular return instruction
1413 // but takes two arguments (V1, V0) which are used for storing
1414 // the offset and return address respectively.
1415 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1417 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1418 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1420 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1421 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1422 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1423 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1425 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1428 /// Multiply and Divide Instructions.
1429 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1430 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1431 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1432 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1433 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1434 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1435 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1436 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1438 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1439 ISA_MIPS1_NOT_32R6_64R6;
1440 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1441 ISA_MIPS1_NOT_32R6_64R6;
1442 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1443 AdditionalPredicates = [NotInMicroMips] in {
1444 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1445 ISA_MIPS1_NOT_32R6_64R6;
1446 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1447 ISA_MIPS1_NOT_32R6_64R6;
1450 /// Sign Ext In Register Instructions.
1451 def SEB : MMRel, StdMMR6Rel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1452 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1453 def SEH : MMRel, StdMMR6Rel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1454 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1457 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>,
1458 ISA_MIPS32_NOT_32R6_64R6;
1459 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>,
1460 ISA_MIPS32_NOT_32R6_64R6;
1462 /// Word Swap Bytes Within Halfwords
1463 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1466 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1468 // FrameIndexes are legalized when they are operands from load/store
1469 // instructions. The same not happens for stack address copies, so an
1470 // add op with mem ComplexPattern is used and the stack address copy
1471 // can be matched. It's similar to Sparc LEA_ADDRi
1472 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1475 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1476 ISA_MIPS32_NOT_32R6_64R6;
1477 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1478 ISA_MIPS32_NOT_32R6_64R6;
1479 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1480 ISA_MIPS32_NOT_32R6_64R6;
1481 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1482 ISA_MIPS32_NOT_32R6_64R6;
1484 let AdditionalPredicates = [NotDSP] in {
1485 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1486 ISA_MIPS1_NOT_32R6_64R6;
1487 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1488 ISA_MIPS1_NOT_32R6_64R6;
1489 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1490 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1491 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1492 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1493 ISA_MIPS32_NOT_32R6_64R6;
1494 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1495 ISA_MIPS32_NOT_32R6_64R6;
1496 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1497 ISA_MIPS32_NOT_32R6_64R6;
1498 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1499 ISA_MIPS32_NOT_32R6_64R6;
1502 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1503 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1504 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1505 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1507 def RDHWR : MMRel, ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1509 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1510 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1512 /// Move Control Registers From/To CPU Registers
1513 def MFC0 : MFC3OP<"mfc0", GPR32Opnd, COP0Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1514 def MTC0 : MTC3OP<"mtc0", COP0Opnd, GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1515 def MFC2 : MFC3OP<"mfc2", GPR32Opnd, COP2Opnd>, MFC3OP_FM<0x12, 0>;
1516 def MTC2 : MTC3OP<"mtc2", COP2Opnd, GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1518 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1520 def SSNOP : MMRel, Barrier<"ssnop">, BARRIER_FM<1>;
1521 def EHB : MMRel, Barrier<"ehb">, BARRIER_FM<3>;
1522 def PAUSE : MMRel, Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1524 // JR_HB and JALR_HB are defined here using the new style naming
1525 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1526 // and because of that it doesn't follow the naming convention of the
1527 // rest of the file. To avoid a mixture of old vs new style, the new
1528 // style was chosen.
1529 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1530 dag OutOperandList = (outs);
1531 dag InOperandList = (ins GPROpnd:$rs);
1532 string AsmString = !strconcat(instr_asm, "\t$rs");
1533 list<dag> Pattern = [];
1536 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1537 dag OutOperandList = (outs GPROpnd:$rd);
1538 dag InOperandList = (ins GPROpnd:$rs);
1539 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1540 list<dag> Pattern = [];
1543 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1544 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1546 let isIndirectBranch=1;
1552 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1553 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1554 let isIndirectBranch=1;
1558 class JR_HB_ENC : JR_HB_FM<8>;
1559 class JALR_HB_ENC : JALR_HB_FM<9>;
1561 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1562 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1564 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1566 def TLBP : MMRel, TLB<"tlbp">, COP0_TLB_FM<0x08>;
1567 def TLBR : MMRel, TLB<"tlbr">, COP0_TLB_FM<0x01>;
1568 def TLBWI : MMRel, TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1569 def TLBWR : MMRel, TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1571 class CacheOp<string instr_asm, Operand MemOpnd> :
1572 InstSE<(outs), (ins MemOpnd:$addr, uimm5:$hint),
1573 !strconcat(instr_asm, "\t$hint, $addr"), [], NoItinerary, FrmOther,
1575 let DecoderMethod = "DecodeCacheOp";
1578 def CACHE : MMRel, CacheOp<"cache", mem>, CACHEOP_FM<0b101111>,
1579 INSN_MIPS3_32_NOT_32R6_64R6;
1580 def PREF : MMRel, CacheOp<"pref", mem>, CACHEOP_FM<0b110011>,
1581 INSN_MIPS3_32_NOT_32R6_64R6;
1583 //===----------------------------------------------------------------------===//
1584 // Instruction aliases
1585 //===----------------------------------------------------------------------===//
1586 def : MipsInstAlias<"move $dst, $src",
1587 (OR GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1589 let AdditionalPredicates = [NotInMicroMips];
1591 def : MipsInstAlias<"move $dst, $src",
1592 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src, ZERO), 1>,
1594 let AdditionalPredicates = [NotInMicroMips];
1596 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>,
1597 ISA_MIPS1_NOT_32R6_64R6;
1598 def : MipsInstAlias<"addu $rs, $rt, $imm",
1599 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1600 def : MipsInstAlias<"addu $rs, $imm",
1601 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1602 def : MipsInstAlias<"add $rs, $rt, $imm",
1603 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>,
1604 ISA_MIPS1_NOT_32R6_64R6;
1605 def : MipsInstAlias<"add $rs, $imm",
1606 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>,
1607 ISA_MIPS1_NOT_32R6_64R6;
1608 def : MipsInstAlias<"and $rs, $rt, $imm",
1609 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1610 def : MipsInstAlias<"and $rs, $imm",
1611 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1612 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1613 let Predicates = [NotInMicroMips] in {
1614 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1616 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1617 def : MipsInstAlias<"not $rt, $rs",
1618 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1619 def : MipsInstAlias<"neg $rt, $rs",
1620 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1621 def : MipsInstAlias<"negu $rt",
1622 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1623 def : MipsInstAlias<"negu $rt, $rs",
1624 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1625 def : MipsInstAlias<"slt $rs, $rt, $imm",
1626 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1627 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1628 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1629 def : MipsInstAlias<"xor $rs, $rt, $imm",
1630 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1631 def : MipsInstAlias<"xor $rs, $imm",
1632 (XORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1633 def : MipsInstAlias<"or $rs, $rt, $imm",
1634 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1635 def : MipsInstAlias<"or $rs, $imm",
1636 (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1637 let AdditionalPredicates = [NotInMicroMips] in {
1638 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1640 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, COP0Opnd:$rd, 0), 0>;
1641 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 COP0Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1642 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, COP2Opnd:$rd, 0), 0>;
1643 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 COP2Opnd:$rd, GPR32Opnd:$rt, 0), 0>;
1644 let AdditionalPredicates = [NotInMicroMips] in {
1645 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1647 def : MipsInstAlias<"bnez $rs,$offset",
1648 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1649 def : MipsInstAlias<"bnezl $rs,$offset",
1650 (BNEL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1651 def : MipsInstAlias<"beqz $rs,$offset",
1652 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1653 def : MipsInstAlias<"beqzl $rs,$offset",
1654 (BEQL GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1655 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1657 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1658 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1659 let AdditionalPredicates = [NotInMicroMips] in {
1660 def : MipsInstAlias<"ei", (EI ZERO), 1>, ISA_MIPS32R2;
1662 def : MipsInstAlias<"di", (DI ZERO), 1>, ISA_MIPS32R2;
1664 def : MipsInstAlias<"teq $rs, $rt",
1665 (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1666 def : MipsInstAlias<"tge $rs, $rt",
1667 (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1668 def : MipsInstAlias<"tgeu $rs, $rt",
1669 (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1670 def : MipsInstAlias<"tlt $rs, $rt",
1671 (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1672 def : MipsInstAlias<"tltu $rs, $rt",
1673 (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1674 def : MipsInstAlias<"tne $rs, $rt",
1675 (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>, ISA_MIPS2;
1677 def : MipsInstAlias<"sll $rd, $rt, $rs",
1678 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1679 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1680 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1681 InvertedImOperand:$imm), 0>, ISA_MIPS1_NOT_32R6_64R6;
1682 def : MipsInstAlias<"sub $rs, $imm",
1683 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1684 0>, ISA_MIPS1_NOT_32R6_64R6;
1685 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1686 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1687 InvertedImOperand:$imm), 0>;
1688 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1689 InvertedImOperand:$imm), 0>;
1690 def : MipsInstAlias<"sra $rd, $rt, $rs",
1691 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1692 def : MipsInstAlias<"srl $rd, $rt, $rs",
1693 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1694 def : MipsInstAlias<"sdbbp", (SDBBP 0)>, ISA_MIPS32_NOT_32R6_64R6;
1695 def : MipsInstAlias<"sync",
1696 (SYNC 0), 1>, ISA_MIPS2;
1697 //===----------------------------------------------------------------------===//
1698 // Assembler Pseudo Instructions
1699 //===----------------------------------------------------------------------===//
1701 class LoadImmediate32<string instr_asm, Operand Od, RegisterOperand RO> :
1702 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1703 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1704 def LoadImm32 : LoadImmediate32<"li", uimm5, GPR32Opnd>;
1706 class LoadAddressFromReg32<string instr_asm, Operand MemOpnd,
1707 RegisterOperand RO> :
1708 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1709 !strconcat(instr_asm, "\t$rt, $addr")> ;
1710 def LoadAddrReg32 : LoadAddressFromReg32<"la", mem, GPR32Opnd>;
1712 class LoadAddressFromImm32<string instr_asm, Operand Od, RegisterOperand RO> :
1713 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1714 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1715 def LoadAddrImm32 : LoadAddressFromImm32<"la", uimm5, GPR32Opnd>;
1717 def JalTwoReg : MipsAsmPseudoInst<(outs GPR32Opnd:$rd), (ins GPR32Opnd:$rs),
1719 def JalOneReg : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs),
1722 let hasDelaySlot = 1 in {
1723 def BneImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1724 (ins imm64:$imm64, brtarget:$offset),
1725 "bne\t$rt, $imm64, $offset">;
1726 def BeqImm : MipsAsmPseudoInst<(outs GPR32Opnd:$rt),
1727 (ins imm64:$imm64, brtarget:$offset),
1728 "beq\t$rt, $imm64, $offset">;
1730 class CondBranchPseudo<string instr_asm> :
1731 MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt,
1733 !strconcat(instr_asm, "\t$rs, $rt, $offset")>;
1736 def BLT : CondBranchPseudo<"blt">;
1737 def BLE : CondBranchPseudo<"ble">;
1738 def BGE : CondBranchPseudo<"bge">;
1739 def BGT : CondBranchPseudo<"bgt">;
1740 def BLTU : CondBranchPseudo<"bltu">;
1741 def BLEU : CondBranchPseudo<"bleu">;
1742 def BGEU : CondBranchPseudo<"bgeu">;
1743 def BGTU : CondBranchPseudo<"bgtu">;
1745 def SDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1746 "div\t$rs, $rt">, ISA_MIPS1_NOT_32R6_64R6;
1748 def UDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1749 "divu\t$rs, $rt">, ISA_MIPS1_NOT_32R6_64R6;
1751 def DSDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1752 "ddiv\t$rs, $rt">, ISA_MIPS64_NOT_64R6;
1754 def DUDivMacro : MipsAsmPseudoInst<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
1755 "ddivu\t$rs, $rt">, ISA_MIPS64_NOT_64R6;
1757 def Ulhu : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1758 "ulhu\t$rt, $addr">, ISA_MIPS1_NOT_32R6_64R6;
1760 def Ulw : MipsAsmPseudoInst<(outs GPR32Opnd:$rt), (ins mem:$addr),
1761 "ulw\t$rt, $addr">, ISA_MIPS1_NOT_32R6_64R6;
1763 //===----------------------------------------------------------------------===//
1764 // Arbitrary patterns that map to one or more instructions
1765 //===----------------------------------------------------------------------===//
1767 // Load/store pattern templates.
1768 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1769 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1771 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1772 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1775 let AdditionalPredicates = [NotInMicroMips] in {
1776 def : MipsPat<(i32 immSExt16:$in),
1777 (ADDiu ZERO, imm:$in)>;
1778 def : MipsPat<(i32 immZExt16:$in),
1779 (ORi ZERO, imm:$in)>;
1781 def : MipsPat<(i32 immLow16Zero:$in),
1782 (LUi (HI16 imm:$in))>;
1784 // Arbitrary immediates
1785 def : MipsPat<(i32 imm:$imm),
1786 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1788 // Carry MipsPatterns
1789 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1790 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1791 let AdditionalPredicates = [NotDSP] in {
1792 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1793 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1794 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1795 (ADDiu GPR32:$src, imm:$imm)>;
1798 // Support multiplication for pre-Mips32 targets that don't have
1799 // the MUL instruction.
1800 def : MipsPat<(mul GPR32:$lhs, GPR32:$rhs),
1801 (PseudoMFLO (PseudoMULT GPR32:$lhs, GPR32:$rhs))>,
1802 ISA_MIPS1_NOT_32R6_64R6;
1805 def : MipsPat<(MipsSync (i32 immz)),
1806 (SYNC 0)>, ISA_MIPS2;
1809 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1810 (JAL tglobaladdr:$dst)>;
1811 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1812 (JAL texternalsym:$dst)>;
1813 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1814 // (JALR GPR32:$dst)>;
1817 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1818 (TAILCALL tglobaladdr:$dst)>;
1819 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1820 (TAILCALL texternalsym:$dst)>;
1822 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1823 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1824 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1825 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1826 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1827 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1829 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1830 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1831 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1832 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1833 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1834 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1836 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1837 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1838 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1839 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1840 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1841 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1842 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1843 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1844 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1845 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1848 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1849 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1850 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1851 (ADDiu GPR32:$gp, tconstpool:$in)>;
1854 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1855 MipsPat<(MipsWrapper RC:$gp, node:$in),
1856 (ADDiuOp RC:$gp, node:$in)>;
1858 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1859 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1860 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1861 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1862 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1863 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1865 let AdditionalPredicates = [NotInMicroMips] in {
1866 // Mips does not have "not", so we expand our way
1867 def : MipsPat<(not GPR32:$in),
1868 (NOR GPR32Opnd:$in, ZERO)>;
1872 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1873 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1874 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1877 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1880 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1881 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1882 Instruction SLTiuOp, Register ZEROReg> {
1883 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1884 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1885 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1886 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1888 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1889 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1890 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1891 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1892 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1893 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1894 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1895 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1896 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1897 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1898 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1899 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1901 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1902 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1903 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1904 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1906 def : MipsPat<(brcond RC:$cond, bb:$dst),
1907 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1910 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1912 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1913 (BLEZ i32:$lhs, bb:$dst)>;
1914 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1915 (BGEZ i32:$lhs, bb:$dst)>;
1918 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1919 Instruction SLTuOp, Register ZEROReg> {
1920 def : MipsPat<(seteq RC:$lhs, 0),
1921 (SLTiuOp RC:$lhs, 1)>;
1922 def : MipsPat<(setne RC:$lhs, 0),
1923 (SLTuOp ZEROReg, RC:$lhs)>;
1924 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1925 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1926 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1927 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1930 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1931 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1932 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1933 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1934 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1937 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1938 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1939 (SLTOp RC:$rhs, RC:$lhs)>;
1940 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1941 (SLTuOp RC:$rhs, RC:$lhs)>;
1944 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1945 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1946 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1947 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1948 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1951 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1952 Instruction SLTiuOp> {
1953 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1954 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1955 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1956 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1959 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1960 defm : SetlePats<GPR32, SLT, SLTu>;
1961 defm : SetgtPats<GPR32, SLT, SLTu>;
1962 defm : SetgePats<GPR32, SLT, SLTu>;
1963 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1966 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1968 // Load halfword/word patterns.
1969 let AddedComplexity = 40 in {
1970 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1971 def : LoadRegImmPat<LH, i32, sextloadi16>;
1972 let AdditionalPredicates = [NotInMicroMips] in {
1973 def : LoadRegImmPat<LW, i32, load>;
1977 //===----------------------------------------------------------------------===//
1978 // Floating Point Support
1979 //===----------------------------------------------------------------------===//
1981 include "MipsInstrFPU.td"
1982 include "Mips64InstrInfo.td"
1983 include "MipsCondMov.td"
1985 include "Mips32r6InstrInfo.td"
1986 include "Mips64r6InstrInfo.td"
1991 include "Mips16InstrFormats.td"
1992 include "Mips16InstrInfo.td"
1995 include "MipsDSPInstrFormats.td"
1996 include "MipsDSPInstrInfo.td"
1999 include "MipsMSAInstrFormats.td"
2000 include "MipsMSAInstrInfo.td"
2003 include "MicroMipsInstrFormats.td"
2004 include "MicroMipsInstrInfo.td"
2005 include "MicroMipsInstrFPU.td"
2008 include "MicroMips32r6InstrFormats.td"
2009 include "MicroMips32r6InstrInfo.td"
2012 include "MicroMips64r6InstrFormats.td"
2013 include "MicroMips64r6InstrInfo.td"