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 HasMips4_32r2 : Predicate<"Subtarget.hasMips4_32r2()">,
160 AssemblerPredicate<"FeatureMips4_32r2">;
161 def HasMips5_32r2 : Predicate<"Subtarget.hasMips5_32r2()">,
162 AssemblerPredicate<"FeatureMips5_32r2">;
163 def HasMips32 : Predicate<"Subtarget.hasMips32()">,
164 AssemblerPredicate<"FeatureMips32">;
165 def HasMips32r2 : Predicate<"Subtarget.hasMips32r2()">,
166 AssemblerPredicate<"FeatureMips32r2">;
167 def HasMips32r6 : Predicate<"Subtarget.hasMips32r6()">,
168 AssemblerPredicate<"FeatureMips32r6">;
169 def NotMips32r6 : Predicate<"!Subtarget.hasMips32r6()">,
170 AssemblerPredicate<"!FeatureMips32r6">;
171 def IsGP64bit : Predicate<"Subtarget.isGP64bit()">,
172 AssemblerPredicate<"FeatureGP64Bit">;
173 def IsGP32bit : Predicate<"!Subtarget.isGP64bit()">,
174 AssemblerPredicate<"!FeatureGP64Bit">;
175 def HasMips64 : Predicate<"Subtarget.hasMips64()">,
176 AssemblerPredicate<"FeatureMips64">;
177 def HasMips64r2 : Predicate<"Subtarget.hasMips64r2()">,
178 AssemblerPredicate<"FeatureMips64r2">;
179 def HasMips64r6 : Predicate<"Subtarget.hasMips64r6()">,
180 AssemblerPredicate<"FeatureMips64r6">;
181 def NotMips64r6 : Predicate<"!Subtarget.hasMips64r6()">,
182 AssemblerPredicate<"!FeatureMips64r6">;
183 def IsN64 : Predicate<"Subtarget.isABI_N64()">,
184 AssemblerPredicate<"FeatureN64">;
185 def InMips16Mode : Predicate<"Subtarget.inMips16Mode()">,
186 AssemblerPredicate<"FeatureMips16">;
187 def HasCnMips : Predicate<"Subtarget.hasCnMips()">,
188 AssemblerPredicate<"FeatureCnMips">;
189 def RelocStatic : Predicate<"TM.getRelocationModel() == Reloc::Static">,
190 AssemblerPredicate<"FeatureMips32">;
191 def RelocPIC : Predicate<"TM.getRelocationModel() == Reloc::PIC_">,
192 AssemblerPredicate<"FeatureMips32">;
193 def NoNaNsFPMath : Predicate<"TM.Options.NoNaNsFPMath">;
194 def HasStdEnc : Predicate<"Subtarget.hasStandardEncoding()">,
195 AssemblerPredicate<"!FeatureMips16">;
196 def NotDSP : Predicate<"!Subtarget.hasDSP()">;
197 def InMicroMips : Predicate<"Subtarget.inMicroMipsMode()">,
198 AssemblerPredicate<"FeatureMicroMips">;
199 def NotInMicroMips : Predicate<"!Subtarget.inMicroMipsMode()">,
200 AssemblerPredicate<"!FeatureMicroMips">;
201 def IsLE : Predicate<"Subtarget.isLittle()">;
202 def IsBE : Predicate<"!Subtarget.isLittle()">;
203 def IsNotNaCl : Predicate<"!Subtarget.isTargetNaCl()">;
205 //===----------------------------------------------------------------------===//
206 // Mips GPR size adjectives.
207 // They are mutually exclusive.
208 //===----------------------------------------------------------------------===//
210 class GPR_32 { list<Predicate> GPRPredicates = [IsGP32bit]; }
211 class GPR_64 { list<Predicate> GPRPredicates = [IsGP64bit]; }
213 //===----------------------------------------------------------------------===//
214 // Mips ISA/ASE membership and instruction group membership adjectives.
215 // They are mutually exclusive.
216 //===----------------------------------------------------------------------===//
218 // FIXME: I'd prefer to use additive predicates to build the instruction sets
219 // but we are short on assembler feature bits at the moment. Using a
220 // subtractive predicate will hopefully keep us under the 32 predicate
221 // limit long enough to develop an alternative way to handle P1||P2
223 class ISA_MIPS1_NOT_32R6_64R6 {
224 list<Predicate> InsnPredicates = [NotMips32r6, NotMips64r6];
226 class ISA_MIPS2 { list<Predicate> InsnPredicates = [HasMips2]; }
227 class ISA_MIPS2_NOT_32R6_64R6 {
228 list<Predicate> InsnPredicates = [HasMips2, NotMips32r6, NotMips64r6];
230 class ISA_MIPS3 { list<Predicate> InsnPredicates = [HasMips3]; }
231 class ISA_MIPS3_NOT_32R6_64R6 {
232 list<Predicate> InsnPredicates = [HasMips3, NotMips32r6, NotMips64r6];
234 class ISA_MIPS32 { list<Predicate> InsnPredicates = [HasMips32]; }
235 class ISA_MIPS32_NOT_32R6_64R6 {
236 list<Predicate> InsnPredicates = [HasMips32, NotMips32r6, NotMips64r6];
238 class ISA_MIPS32R2 { list<Predicate> InsnPredicates = [HasMips32r2]; }
239 class ISA_MIPS32R2_NOT_32R6_64R6 {
240 list<Predicate> InsnPredicates = [HasMips32r2, NotMips32r6, NotMips64r6];
242 class ISA_MIPS64 { list<Predicate> InsnPredicates = [HasMips64]; }
243 class ISA_MIPS64_NOT_64R6 {
244 list<Predicate> InsnPredicates = [HasMips64, NotMips64r6];
246 class ISA_MIPS64R2 { list<Predicate> InsnPredicates = [HasMips64r2]; }
247 class ISA_MIPS32R6 { list<Predicate> InsnPredicates = [HasMips32r6]; }
248 class ISA_MIPS64R6 { list<Predicate> InsnPredicates = [HasMips64r6]; }
250 // The portions of MIPS-III that were also added to MIPS32
251 class INSN_MIPS3_32 { list<Predicate> InsnPredicates = [HasMips3_32]; }
253 // The portions of MIPS-III that were also added to MIPS32 but were removed in
254 // MIPS32r6 and MIPS64r6.
255 class INSN_MIPS3_32_NOT_32R6_64R6 {
256 list<Predicate> InsnPredicates = [HasMips3_32, NotMips32r6, NotMips64r6];
259 // The portions of MIPS-III that were also added to MIPS32
260 class INSN_MIPS3_32R2 { list<Predicate> InsnPredicates = [HasMips3_32r2]; }
262 // The portions of MIPS-IV that were also added to MIPS32 but were removed in
263 // MIPS32r6 and MIPS64r6.
264 class INSN_MIPS4_32_NOT_32R6_64R6 {
265 list<Predicate> InsnPredicates = [HasMips4_32, NotMips32r6, NotMips64r6];
268 // The portions of MIPS-IV that were also added to MIPS32r2 but were removed in
269 // MIPS32r6 and MIPS64r6.
270 class INSN_MIPS4_32R2_NOT_32R6_64R6 {
271 list<Predicate> InsnPredicates = [HasMips4_32r2, NotMips32r6, NotMips64r6];
274 // The portions of MIPS-V that were also added to MIPS32r2 but were removed in
275 // MIPS32r6 and MIPS64r6.
276 class INSN_MIPS5_32R2_NOT_32R6_64R6 {
277 list<Predicate> InsnPredicates = [HasMips5_32r2, NotMips32r6, NotMips64r6];
280 //===----------------------------------------------------------------------===//
282 class MipsPat<dag pattern, dag result> : Pat<pattern, result>, PredicateControl {
283 let EncodingPredicates = [HasStdEnc];
286 class MipsInstAlias<string Asm, dag Result, bit Emit = 0b1> :
287 InstAlias<Asm, Result, Emit>, PredicateControl;
290 bit isCommutable = 1;
307 bit isTerminator = 1;
310 bit hasExtraSrcRegAllocReq = 1;
311 bit isCodeGenOnly = 1;
314 class IsAsCheapAsAMove {
315 bit isAsCheapAsAMove = 1;
318 class NeverHasSideEffects {
319 bit neverHasSideEffects = 1;
322 //===----------------------------------------------------------------------===//
323 // Instruction format superclass
324 //===----------------------------------------------------------------------===//
326 include "MipsInstrFormats.td"
328 //===----------------------------------------------------------------------===//
329 // Mips Operand, Complex Patterns and Transformations Definitions.
330 //===----------------------------------------------------------------------===//
332 def MipsJumpTargetAsmOperand : AsmOperandClass {
333 let Name = "JumpTarget";
334 let ParserMethod = "ParseJumpTarget";
335 let PredicateMethod = "isImm";
336 let RenderMethod = "addImmOperands";
339 // Instruction operand types
340 def jmptarget : Operand<OtherVT> {
341 let EncoderMethod = "getJumpTargetOpValue";
342 let ParserMatchClass = MipsJumpTargetAsmOperand;
344 def brtarget : Operand<OtherVT> {
345 let EncoderMethod = "getBranchTargetOpValue";
346 let OperandType = "OPERAND_PCREL";
347 let DecoderMethod = "DecodeBranchTarget";
348 let ParserMatchClass = MipsJumpTargetAsmOperand;
350 def calltarget : Operand<iPTR> {
351 let EncoderMethod = "getJumpTargetOpValue";
352 let ParserMatchClass = MipsJumpTargetAsmOperand;
355 def simm9 : Operand<i32>;
356 def simm10 : Operand<i32>;
357 def simm11 : Operand<i32>;
359 def simm16 : Operand<i32> {
360 let DecoderMethod= "DecodeSimm16";
363 def simm19_lsl2 : Operand<i32> {
364 let EncoderMethod = "getSimm19Lsl2Encoding";
365 let DecoderMethod = "DecodeSimm19Lsl2";
366 let ParserMatchClass = MipsJumpTargetAsmOperand;
369 def simm18_lsl3 : Operand<i32> {
370 let EncoderMethod = "getSimm18Lsl3Encoding";
371 let DecoderMethod = "DecodeSimm18Lsl3";
372 let ParserMatchClass = MipsJumpTargetAsmOperand;
375 def simm20 : Operand<i32> {
378 def uimm20 : Operand<i32> {
381 def uimm10 : Operand<i32> {
384 def simm16_64 : Operand<i64> {
385 let DecoderMethod = "DecodeSimm16";
389 def uimmz : Operand<i32> {
390 let PrintMethod = "printUnsignedImm";
394 def uimm2 : Operand<i32> {
395 let PrintMethod = "printUnsignedImm";
398 def uimm3 : Operand<i32> {
399 let PrintMethod = "printUnsignedImm";
402 def uimm5 : Operand<i32> {
403 let PrintMethod = "printUnsignedImm";
406 def uimm6 : Operand<i32> {
407 let PrintMethod = "printUnsignedImm";
410 def uimm16 : Operand<i32> {
411 let PrintMethod = "printUnsignedImm";
414 def pcrel16 : Operand<i32> {
417 def MipsMemAsmOperand : AsmOperandClass {
419 let ParserMethod = "parseMemOperand";
422 def MipsMemSimm11AsmOperand : AsmOperandClass {
423 let Name = "MemOffsetSimm11";
424 let SuperClasses = [MipsMemAsmOperand];
425 let RenderMethod = "addMemOperands";
426 let ParserMethod = "parseMemOperand";
427 let PredicateMethod = "isMemWithSimmOffset<11>";
428 //let DiagnosticType = "Simm11";
431 def MipsInvertedImmoperand : AsmOperandClass {
433 let RenderMethod = "addImmOperands";
434 let ParserMethod = "parseInvNum";
437 def InvertedImOperand : Operand<i32> {
438 let ParserMatchClass = MipsInvertedImmoperand;
441 def InvertedImOperand64 : Operand<i64> {
442 let ParserMatchClass = MipsInvertedImmoperand;
445 class mem_generic : Operand<iPTR> {
446 let PrintMethod = "printMemOperand";
447 let MIOperandInfo = (ops ptr_rc, simm16);
448 let EncoderMethod = "getMemEncoding";
449 let ParserMatchClass = MipsMemAsmOperand;
450 let OperandType = "OPERAND_MEMORY";
454 def mem : mem_generic;
456 // MSA specific address operand
457 def mem_msa : mem_generic {
458 let MIOperandInfo = (ops ptr_rc, simm10);
459 let EncoderMethod = "getMSAMemEncoding";
462 def mem_simm9 : mem_generic {
463 let MIOperandInfo = (ops ptr_rc, simm9);
464 let EncoderMethod = "getMemEncoding";
467 def mem_simm11 : mem_generic {
468 let MIOperandInfo = (ops ptr_rc, simm11);
469 let EncoderMethod = "getMemEncoding";
470 let ParserMatchClass = MipsMemSimm11AsmOperand;
473 def mem_ea : Operand<iPTR> {
474 let PrintMethod = "printMemOperandEA";
475 let MIOperandInfo = (ops ptr_rc, simm16);
476 let EncoderMethod = "getMemEncoding";
477 let OperandType = "OPERAND_MEMORY";
480 def PtrRC : Operand<iPTR> {
481 let MIOperandInfo = (ops ptr_rc);
482 let DecoderMethod = "DecodePtrRegisterClass";
483 let ParserMatchClass = GPR32AsmOperand;
486 // size operand of ext instruction
487 def size_ext : Operand<i32> {
488 let EncoderMethod = "getSizeExtEncoding";
489 let DecoderMethod = "DecodeExtSize";
492 // size operand of ins instruction
493 def size_ins : Operand<i32> {
494 let EncoderMethod = "getSizeInsEncoding";
495 let DecoderMethod = "DecodeInsSize";
498 // Transformation Function - get the lower 16 bits.
499 def LO16 : SDNodeXForm<imm, [{
500 return getImm(N, N->getZExtValue() & 0xFFFF);
503 // Transformation Function - get the higher 16 bits.
504 def HI16 : SDNodeXForm<imm, [{
505 return getImm(N, (N->getZExtValue() >> 16) & 0xFFFF);
509 def Plus1 : SDNodeXForm<imm, [{ return getImm(N, N->getSExtValue() + 1); }]>;
511 // Node immediate is zero (e.g. insve.d)
512 def immz : PatLeaf<(imm), [{ return N->getSExtValue() == 0; }]>;
514 // Node immediate fits as 16-bit sign extended on target immediate.
516 def immSExt8 : PatLeaf<(imm), [{ return isInt<8>(N->getSExtValue()); }]>;
518 // Node immediate fits as 16-bit sign extended on target immediate.
520 def immSExt16 : PatLeaf<(imm), [{ return isInt<16>(N->getSExtValue()); }]>;
522 // Node immediate fits as 15-bit sign extended on target immediate.
524 def immSExt15 : PatLeaf<(imm), [{ return isInt<15>(N->getSExtValue()); }]>;
526 // Node immediate fits as 16-bit zero extended on target immediate.
527 // The LO16 param means that only the lower 16 bits of the node
528 // immediate are caught.
530 def immZExt16 : PatLeaf<(imm), [{
531 if (N->getValueType(0) == MVT::i32)
532 return (uint32_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
534 return (uint64_t)N->getZExtValue() == (unsigned short)N->getZExtValue();
537 // Immediate can be loaded with LUi (32-bit int with lower 16-bit cleared).
538 def immLow16Zero : PatLeaf<(imm), [{
539 int64_t Val = N->getSExtValue();
540 return isInt<32>(Val) && !(Val & 0xffff);
543 // shamt field must fit in 5 bits.
544 def immZExt5 : ImmLeaf<i32, [{return Imm == (Imm & 0x1f);}]>;
546 // True if (N + 1) fits in 16-bit field.
547 def immSExt16Plus1 : PatLeaf<(imm), [{
548 return isInt<17>(N->getSExtValue()) && isInt<16>(N->getSExtValue() + 1);
551 // Mips Address Mode! SDNode frameindex could possibily be a match
552 // since load and store instructions from stack used it.
554 ComplexPattern<iPTR, 2, "selectIntAddr", [frameindex]>;
557 ComplexPattern<iPTR, 2, "selectAddrRegImm", [frameindex]>;
560 ComplexPattern<iPTR, 2, "selectAddrRegReg", [frameindex]>;
563 ComplexPattern<iPTR, 2, "selectAddrDefault", [frameindex]>;
565 def addrimm10 : ComplexPattern<iPTR, 2, "selectIntAddrMSA", [frameindex]>;
567 //===----------------------------------------------------------------------===//
568 // Instructions specific format
569 //===----------------------------------------------------------------------===//
571 // Arithmetic and logical instructions with 3 register operands.
572 class ArithLogicR<string opstr, RegisterOperand RO, bit isComm = 0,
573 InstrItinClass Itin = NoItinerary,
574 SDPatternOperator OpNode = null_frag>:
575 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
576 !strconcat(opstr, "\t$rd, $rs, $rt"),
577 [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR, opstr> {
578 let isCommutable = isComm;
579 let isReMaterializable = 1;
580 let TwoOperandAliasConstraint = "$rd = $rs";
583 // Arithmetic and logical instructions with 2 register operands.
584 class ArithLogicI<string opstr, Operand Od, RegisterOperand RO,
585 InstrItinClass Itin = NoItinerary,
586 SDPatternOperator imm_type = null_frag,
587 SDPatternOperator OpNode = null_frag> :
588 InstSE<(outs RO:$rt), (ins RO:$rs, Od:$imm16),
589 !strconcat(opstr, "\t$rt, $rs, $imm16"),
590 [(set RO:$rt, (OpNode RO:$rs, imm_type:$imm16))],
592 let isReMaterializable = 1;
593 let TwoOperandAliasConstraint = "$rs = $rt";
596 // Arithmetic Multiply ADD/SUB
597 class MArithR<string opstr, InstrItinClass itin, bit isComm = 0> :
598 InstSE<(outs), (ins GPR32Opnd:$rs, GPR32Opnd:$rt),
599 !strconcat(opstr, "\t$rs, $rt"), [], itin, FrmR, opstr> {
600 let Defs = [HI0, LO0];
601 let Uses = [HI0, LO0];
602 let isCommutable = isComm;
606 class LogicNOR<string opstr, RegisterOperand RO>:
607 InstSE<(outs RO:$rd), (ins RO:$rs, RO:$rt),
608 !strconcat(opstr, "\t$rd, $rs, $rt"),
609 [(set RO:$rd, (not (or RO:$rs, RO:$rt)))], II_NOR, FrmR, opstr> {
610 let isCommutable = 1;
614 class shift_rotate_imm<string opstr, Operand ImmOpnd,
615 RegisterOperand RO, InstrItinClass itin,
616 SDPatternOperator OpNode = null_frag,
617 SDPatternOperator PF = null_frag> :
618 InstSE<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
619 !strconcat(opstr, "\t$rd, $rt, $shamt"),
620 [(set RO:$rd, (OpNode RO:$rt, PF:$shamt))], itin, FrmR, opstr> {
621 let TwoOperandAliasConstraint = "$rt = $rd";
624 class shift_rotate_reg<string opstr, RegisterOperand RO, InstrItinClass itin,
625 SDPatternOperator OpNode = null_frag>:
626 InstSE<(outs RO:$rd), (ins RO:$rt, GPR32Opnd:$rs),
627 !strconcat(opstr, "\t$rd, $rt, $rs"),
628 [(set RO:$rd, (OpNode RO:$rt, GPR32Opnd:$rs))], itin, FrmR,
631 // Load Upper Imediate
632 class LoadUpper<string opstr, RegisterOperand RO, Operand Imm>:
633 InstSE<(outs RO:$rt), (ins Imm:$imm16), !strconcat(opstr, "\t$rt, $imm16"),
634 [], II_LUI, FrmI, opstr>, IsAsCheapAsAMove {
635 let neverHasSideEffects = 1;
636 let isReMaterializable = 1;
640 class Load<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
641 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
642 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
643 [(set RO:$rt, (OpNode Addr:$addr))], Itin, FrmI, opstr> {
644 let DecoderMethod = "DecodeMem";
645 let canFoldAsLoad = 1;
649 class Store<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
650 InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
651 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
652 [(OpNode RO:$rt, Addr:$addr)], Itin, FrmI, opstr> {
653 let DecoderMethod = "DecodeMem";
657 // Load/Store Left/Right
658 let canFoldAsLoad = 1 in
659 class LoadLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
660 InstrItinClass Itin> :
661 InstSE<(outs RO:$rt), (ins mem:$addr, RO:$src),
662 !strconcat(opstr, "\t$rt, $addr"),
663 [(set RO:$rt, (OpNode addr:$addr, RO:$src))], Itin, FrmI> {
664 let DecoderMethod = "DecodeMem";
665 string Constraints = "$src = $rt";
668 class StoreLeftRight<string opstr, SDNode OpNode, RegisterOperand RO,
669 InstrItinClass Itin> :
670 InstSE<(outs), (ins RO:$rt, mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
671 [(OpNode RO:$rt, addr:$addr)], Itin, FrmI> {
672 let DecoderMethod = "DecodeMem";
675 // Conditional Branch
676 class CBranch<string opstr, DAGOperand opnd, PatFrag cond_op,
677 RegisterOperand RO> :
678 InstSE<(outs), (ins RO:$rs, RO:$rt, opnd:$offset),
679 !strconcat(opstr, "\t$rs, $rt, $offset"),
680 [(brcond (i32 (cond_op RO:$rs, RO:$rt)), bb:$offset)], IIBranch,
683 let isTerminator = 1;
684 let hasDelaySlot = 1;
688 class CBranchZero<string opstr, DAGOperand opnd, PatFrag cond_op,
689 RegisterOperand RO> :
690 InstSE<(outs), (ins RO:$rs, opnd:$offset),
691 !strconcat(opstr, "\t$rs, $offset"),
692 [(brcond (i32 (cond_op RO:$rs, 0)), bb:$offset)], IIBranch,
695 let isTerminator = 1;
696 let hasDelaySlot = 1;
701 class SetCC_R<string opstr, PatFrag cond_op, RegisterOperand RO> :
702 InstSE<(outs GPR32Opnd:$rd), (ins RO:$rs, RO:$rt),
703 !strconcat(opstr, "\t$rd, $rs, $rt"),
704 [(set GPR32Opnd:$rd, (cond_op RO:$rs, RO:$rt))],
705 II_SLT_SLTU, FrmR, opstr>;
707 class SetCC_I<string opstr, PatFrag cond_op, Operand Od, PatLeaf imm_type,
709 InstSE<(outs GPR32Opnd:$rt), (ins RO:$rs, Od:$imm16),
710 !strconcat(opstr, "\t$rt, $rs, $imm16"),
711 [(set GPR32Opnd:$rt, (cond_op RO:$rs, imm_type:$imm16))],
712 II_SLTI_SLTIU, FrmI, opstr>;
715 class JumpFJ<DAGOperand opnd, string opstr, SDPatternOperator operator,
716 SDPatternOperator targetoperator, string bopstr> :
717 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
718 [(operator targetoperator:$target)], IIBranch, FrmJ, bopstr> {
721 let hasDelaySlot = 1;
722 let DecoderMethod = "DecodeJumpTarget";
726 // Unconditional branch
727 class UncondBranch<Instruction BEQInst> :
728 PseudoSE<(outs), (ins brtarget:$offset), [(br bb:$offset)], IIBranch>,
729 PseudoInstExpansion<(BEQInst ZERO, ZERO, brtarget:$offset)> {
731 let isTerminator = 1;
733 let hasDelaySlot = 1;
734 let AdditionalPredicates = [RelocPIC];
738 // Base class for indirect branch and return instruction classes.
739 let isTerminator=1, isBarrier=1, hasDelaySlot = 1 in
740 class JumpFR<string opstr, RegisterOperand RO,
741 SDPatternOperator operator = null_frag>:
742 InstSE<(outs), (ins RO:$rs), "jr\t$rs", [(operator RO:$rs)], IIBranch,
746 class IndirectBranch<string opstr, RegisterOperand RO> :
747 JumpFR<opstr, RO, brind> {
749 let isIndirectBranch = 1;
752 // Jump and Link (Call)
753 let isCall=1, hasDelaySlot=1, Defs = [RA] in {
754 class JumpLink<string opstr, DAGOperand opnd> :
755 InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
756 [(MipsJmpLink imm:$target)], IIBranch, FrmJ, opstr> {
757 let DecoderMethod = "DecodeJumpTarget";
760 class JumpLinkRegPseudo<RegisterOperand RO, Instruction JALRInst,
761 Register RetReg, RegisterOperand ResRO = RO>:
762 PseudoSE<(outs), (ins RO:$rs), [(MipsJmpLink RO:$rs)], IIBranch>,
763 PseudoInstExpansion<(JALRInst RetReg, ResRO:$rs)>;
765 class JumpLinkReg<string opstr, RegisterOperand RO>:
766 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
769 class BGEZAL_FT<string opstr, DAGOperand opnd, RegisterOperand RO> :
770 InstSE<(outs), (ins RO:$rs, opnd:$offset),
771 !strconcat(opstr, "\t$rs, $offset"), [], IIBranch, FrmI, opstr>;
775 let isCall = 1, isTerminator = 1, isReturn = 1, isBarrier = 1, hasDelaySlot = 1,
776 hasExtraSrcRegAllocReq = 1, Defs = [AT] in {
777 class TailCall<Instruction JumpInst> :
778 PseudoSE<(outs), (ins calltarget:$target), [], IIBranch>,
779 PseudoInstExpansion<(JumpInst jmptarget:$target)>;
781 class TailCallReg<RegisterOperand RO, Instruction JRInst,
782 RegisterOperand ResRO = RO> :
783 PseudoSE<(outs), (ins RO:$rs), [(MipsTailCall RO:$rs)], IIBranch>,
784 PseudoInstExpansion<(JRInst ResRO:$rs)>;
787 class BAL_BR_Pseudo<Instruction RealInst> :
788 PseudoSE<(outs), (ins brtarget:$offset), [], IIBranch>,
789 PseudoInstExpansion<(RealInst ZERO, brtarget:$offset)> {
791 let isTerminator = 1;
793 let hasDelaySlot = 1;
798 class SYS_FT<string opstr> :
799 InstSE<(outs), (ins uimm20:$code_),
800 !strconcat(opstr, "\t$code_"), [], NoItinerary, FrmI, opstr>;
802 class BRK_FT<string opstr> :
803 InstSE<(outs), (ins uimm10:$code_1, uimm10:$code_2),
804 !strconcat(opstr, "\t$code_1, $code_2"), [], NoItinerary,
808 class ER_FT<string opstr> :
809 InstSE<(outs), (ins),
810 opstr, [], NoItinerary, FrmOther, opstr>;
813 class DEI_FT<string opstr, RegisterOperand RO> :
814 InstSE<(outs RO:$rt), (ins),
815 !strconcat(opstr, "\t$rt"), [], NoItinerary, FrmOther, opstr>;
818 class WAIT_FT<string opstr> :
819 InstSE<(outs), (ins), opstr, [], NoItinerary, FrmOther, opstr>;
822 let hasSideEffects = 1 in
823 class SYNC_FT<string opstr> :
824 InstSE<(outs), (ins i32imm:$stype), "sync $stype", [(MipsSync imm:$stype)],
825 NoItinerary, FrmOther, opstr>;
827 let hasSideEffects = 1 in
828 class TEQ_FT<string opstr, RegisterOperand RO> :
829 InstSE<(outs), (ins RO:$rs, RO:$rt, uimm16:$code_),
830 !strconcat(opstr, "\t$rs, $rt, $code_"), [], NoItinerary,
833 class TEQI_FT<string opstr, RegisterOperand RO> :
834 InstSE<(outs), (ins RO:$rs, uimm16:$imm16),
835 !strconcat(opstr, "\t$rs, $imm16"), [], NoItinerary, FrmOther, opstr>;
837 class Mult<string opstr, InstrItinClass itin, RegisterOperand RO,
838 list<Register> DefRegs> :
839 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$rs, $rt"), [],
841 let isCommutable = 1;
843 let neverHasSideEffects = 1;
846 // Pseudo multiply/divide instruction with explicit accumulator register
848 class MultDivPseudo<Instruction RealInst, RegisterClass R0, RegisterOperand R1,
849 SDPatternOperator OpNode, InstrItinClass Itin,
850 bit IsComm = 1, bit HasSideEffects = 0,
851 bit UsesCustomInserter = 0> :
852 PseudoSE<(outs R0:$ac), (ins R1:$rs, R1:$rt),
853 [(set R0:$ac, (OpNode R1:$rs, R1:$rt))], Itin>,
854 PseudoInstExpansion<(RealInst R1:$rs, R1:$rt)> {
855 let isCommutable = IsComm;
856 let hasSideEffects = HasSideEffects;
857 let usesCustomInserter = UsesCustomInserter;
860 // Pseudo multiply add/sub instruction with explicit accumulator register
862 class MAddSubPseudo<Instruction RealInst, SDPatternOperator OpNode,
864 : PseudoSE<(outs ACC64:$ac),
865 (ins GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin),
867 (OpNode GPR32Opnd:$rs, GPR32Opnd:$rt, ACC64:$acin))],
869 PseudoInstExpansion<(RealInst GPR32Opnd:$rs, GPR32Opnd:$rt)> {
870 string Constraints = "$acin = $ac";
873 class Div<string opstr, InstrItinClass itin, RegisterOperand RO,
874 list<Register> DefRegs> :
875 InstSE<(outs), (ins RO:$rs, RO:$rt), !strconcat(opstr, "\t$$zero, $rs, $rt"),
876 [], itin, FrmR, opstr> {
881 class PseudoMFLOHI<RegisterClass DstRC, RegisterClass SrcRC, SDNode OpNode>
882 : PseudoSE<(outs DstRC:$rd), (ins SrcRC:$hilo),
883 [(set DstRC:$rd, (OpNode SrcRC:$hilo))], II_MFHI_MFLO>;
885 class MoveFromLOHI<string opstr, RegisterOperand RO, Register UseReg>:
886 InstSE<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"), [], II_MFHI_MFLO,
889 let neverHasSideEffects = 1;
892 class PseudoMTLOHI<RegisterClass DstRC, RegisterClass SrcRC>
893 : PseudoSE<(outs DstRC:$lohi), (ins SrcRC:$lo, SrcRC:$hi),
894 [(set DstRC:$lohi, (MipsMTLOHI SrcRC:$lo, SrcRC:$hi))],
897 class MoveToLOHI<string opstr, RegisterOperand RO, list<Register> DefRegs>:
898 InstSE<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"), [], II_MTHI_MTLO,
901 let neverHasSideEffects = 1;
904 class EffectiveAddress<string opstr, RegisterOperand RO> :
905 InstSE<(outs RO:$rt), (ins mem_ea:$addr), !strconcat(opstr, "\t$rt, $addr"),
906 [(set RO:$rt, addr:$addr)], NoItinerary, FrmI,
907 !strconcat(opstr, "_lea")> {
908 let isCodeGenOnly = 1;
909 let DecoderMethod = "DecodeMem";
912 // Count Leading Ones/Zeros in Word
913 class CountLeading0<string opstr, RegisterOperand RO>:
914 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
915 [(set RO:$rd, (ctlz RO:$rs))], II_CLZ, FrmR, opstr>;
917 class CountLeading1<string opstr, RegisterOperand RO>:
918 InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
919 [(set RO:$rd, (ctlz (not RO:$rs)))], II_CLO, FrmR, opstr>;
921 // Sign Extend in Register.
922 class SignExtInReg<string opstr, ValueType vt, RegisterOperand RO,
923 InstrItinClass itin> :
924 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"),
925 [(set RO:$rd, (sext_inreg RO:$rt, vt))], itin, FrmR, opstr>;
928 class SubwordSwap<string opstr, RegisterOperand RO>:
929 InstSE<(outs RO:$rd), (ins RO:$rt), !strconcat(opstr, "\t$rd, $rt"), [],
930 NoItinerary, FrmR, opstr> {
931 let neverHasSideEffects = 1;
935 class ReadHardware<RegisterOperand CPURegOperand, RegisterOperand RO> :
936 InstSE<(outs CPURegOperand:$rt), (ins RO:$rd), "rdhwr\t$rt, $rd", [],
940 class ExtBase<string opstr, RegisterOperand RO, Operand PosOpnd,
941 SDPatternOperator Op = null_frag>:
942 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ext:$size),
943 !strconcat(opstr, " $rt, $rs, $pos, $size"),
944 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size))], NoItinerary,
945 FrmR, opstr>, ISA_MIPS32R2;
947 class InsBase<string opstr, RegisterOperand RO, Operand PosOpnd,
948 SDPatternOperator Op = null_frag>:
949 InstSE<(outs RO:$rt), (ins RO:$rs, PosOpnd:$pos, size_ins:$size, RO:$src),
950 !strconcat(opstr, " $rt, $rs, $pos, $size"),
951 [(set RO:$rt, (Op RO:$rs, imm:$pos, imm:$size, RO:$src))],
952 NoItinerary, FrmR, opstr>, ISA_MIPS32R2 {
953 let Constraints = "$src = $rt";
956 // Atomic instructions with 2 source operands (ATOMIC_SWAP & ATOMIC_LOAD_*).
957 class Atomic2Ops<PatFrag Op, RegisterClass DRC> :
958 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$incr),
959 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$incr))]>;
961 // Atomic Compare & Swap.
962 class AtomicCmpSwap<PatFrag Op, RegisterClass DRC> :
963 PseudoSE<(outs DRC:$dst), (ins PtrRC:$ptr, DRC:$cmp, DRC:$swap),
964 [(set DRC:$dst, (Op iPTR:$ptr, DRC:$cmp, DRC:$swap))]>;
966 class LLBase<string opstr, RegisterOperand RO> :
967 InstSE<(outs RO:$rt), (ins mem:$addr), !strconcat(opstr, "\t$rt, $addr"),
968 [], NoItinerary, FrmI> {
969 let DecoderMethod = "DecodeMem";
973 class SCBase<string opstr, RegisterOperand RO> :
974 InstSE<(outs RO:$dst), (ins RO:$rt, mem:$addr),
975 !strconcat(opstr, "\t$rt, $addr"), [], NoItinerary, FrmI> {
976 let DecoderMethod = "DecodeMem";
978 let Constraints = "$rt = $dst";
981 class MFC3OP<string asmstr, RegisterOperand RO> :
982 InstSE<(outs RO:$rt, RO:$rd, uimm16:$sel), (ins),
983 !strconcat(asmstr, "\t$rt, $rd, $sel"), [], NoItinerary, FrmFR>;
985 class TrapBase<Instruction RealInst>
986 : PseudoSE<(outs), (ins), [(trap)], NoItinerary>,
987 PseudoInstExpansion<(RealInst 0, 0)> {
989 let isTerminator = 1;
990 let isCodeGenOnly = 1;
993 //===----------------------------------------------------------------------===//
994 // Pseudo instructions
995 //===----------------------------------------------------------------------===//
998 let isReturn=1, isTerminator=1, hasDelaySlot=1, isBarrier=1, hasCtrlDep=1 in
999 def RetRA : PseudoSE<(outs), (ins), [(MipsRet)]>;
1001 let Defs = [SP], Uses = [SP], hasSideEffects = 1 in {
1002 def ADJCALLSTACKDOWN : MipsPseudo<(outs), (ins i32imm:$amt),
1003 [(callseq_start timm:$amt)]>;
1004 def ADJCALLSTACKUP : MipsPseudo<(outs), (ins i32imm:$amt1, i32imm:$amt2),
1005 [(callseq_end timm:$amt1, timm:$amt2)]>;
1008 let usesCustomInserter = 1 in {
1009 def ATOMIC_LOAD_ADD_I8 : Atomic2Ops<atomic_load_add_8, GPR32>;
1010 def ATOMIC_LOAD_ADD_I16 : Atomic2Ops<atomic_load_add_16, GPR32>;
1011 def ATOMIC_LOAD_ADD_I32 : Atomic2Ops<atomic_load_add_32, GPR32>;
1012 def ATOMIC_LOAD_SUB_I8 : Atomic2Ops<atomic_load_sub_8, GPR32>;
1013 def ATOMIC_LOAD_SUB_I16 : Atomic2Ops<atomic_load_sub_16, GPR32>;
1014 def ATOMIC_LOAD_SUB_I32 : Atomic2Ops<atomic_load_sub_32, GPR32>;
1015 def ATOMIC_LOAD_AND_I8 : Atomic2Ops<atomic_load_and_8, GPR32>;
1016 def ATOMIC_LOAD_AND_I16 : Atomic2Ops<atomic_load_and_16, GPR32>;
1017 def ATOMIC_LOAD_AND_I32 : Atomic2Ops<atomic_load_and_32, GPR32>;
1018 def ATOMIC_LOAD_OR_I8 : Atomic2Ops<atomic_load_or_8, GPR32>;
1019 def ATOMIC_LOAD_OR_I16 : Atomic2Ops<atomic_load_or_16, GPR32>;
1020 def ATOMIC_LOAD_OR_I32 : Atomic2Ops<atomic_load_or_32, GPR32>;
1021 def ATOMIC_LOAD_XOR_I8 : Atomic2Ops<atomic_load_xor_8, GPR32>;
1022 def ATOMIC_LOAD_XOR_I16 : Atomic2Ops<atomic_load_xor_16, GPR32>;
1023 def ATOMIC_LOAD_XOR_I32 : Atomic2Ops<atomic_load_xor_32, GPR32>;
1024 def ATOMIC_LOAD_NAND_I8 : Atomic2Ops<atomic_load_nand_8, GPR32>;
1025 def ATOMIC_LOAD_NAND_I16 : Atomic2Ops<atomic_load_nand_16, GPR32>;
1026 def ATOMIC_LOAD_NAND_I32 : Atomic2Ops<atomic_load_nand_32, GPR32>;
1028 def ATOMIC_SWAP_I8 : Atomic2Ops<atomic_swap_8, GPR32>;
1029 def ATOMIC_SWAP_I16 : Atomic2Ops<atomic_swap_16, GPR32>;
1030 def ATOMIC_SWAP_I32 : Atomic2Ops<atomic_swap_32, GPR32>;
1032 def ATOMIC_CMP_SWAP_I8 : AtomicCmpSwap<atomic_cmp_swap_8, GPR32>;
1033 def ATOMIC_CMP_SWAP_I16 : AtomicCmpSwap<atomic_cmp_swap_16, GPR32>;
1034 def ATOMIC_CMP_SWAP_I32 : AtomicCmpSwap<atomic_cmp_swap_32, GPR32>;
1037 /// Pseudo instructions for loading and storing accumulator registers.
1038 let isPseudo = 1, isCodeGenOnly = 1 in {
1039 def LOAD_ACC64 : Load<"", ACC64>;
1040 def STORE_ACC64 : Store<"", ACC64>;
1043 // We need these two pseudo instructions to avoid offset calculation for long
1044 // branches. See the comment in file MipsLongBranch.cpp for detailed
1047 // Expands to: lui $dst, %hi($tgt - $baltgt)
1048 def LONG_BRANCH_LUi : PseudoSE<(outs GPR32Opnd:$dst),
1049 (ins brtarget:$tgt, brtarget:$baltgt), []>;
1051 // Expands to: addiu $dst, $src, %lo($tgt - $baltgt)
1052 def LONG_BRANCH_ADDiu : PseudoSE<(outs GPR32Opnd:$dst),
1053 (ins GPR32Opnd:$src, brtarget:$tgt, brtarget:$baltgt), []>;
1055 //===----------------------------------------------------------------------===//
1056 // Instruction definition
1057 //===----------------------------------------------------------------------===//
1058 //===----------------------------------------------------------------------===//
1059 // MipsI Instructions
1060 //===----------------------------------------------------------------------===//
1062 /// Arithmetic Instructions (ALU Immediate)
1063 def ADDiu : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU, immSExt16,
1065 ADDI_FM<0x9>, IsAsCheapAsAMove;
1066 def ADDi : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd>, ADDI_FM<0x8>,
1067 ISA_MIPS1_NOT_32R6_64R6;
1068 def SLTi : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
1070 def SLTiu : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
1072 def ANDi : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI, immZExt16,
1075 def ORi : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
1078 def XORi : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI, immZExt16,
1081 def LUi : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16>, LUI_FM;
1083 /// Arithmetic Instructions (3-Operand, R-Type)
1084 def ADDu : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
1086 def SUBu : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
1088 let Defs = [HI0, LO0] in
1089 def MUL : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
1090 ADD_FM<0x1c, 2>, ISA_MIPS32_NOT_32R6_64R6;
1091 def ADD : MMRel, ArithLogicR<"add", GPR32Opnd>, ADD_FM<0, 0x20>;
1092 def SUB : MMRel, ArithLogicR<"sub", GPR32Opnd>, ADD_FM<0, 0x22>;
1093 def SLT : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM<0, 0x2a>;
1094 def SLTu : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>, ADD_FM<0, 0x2b>;
1095 def AND : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
1097 def OR : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
1099 def XOR : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
1101 def NOR : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM<0, 0x27>;
1103 /// Shift Instructions
1104 def SLL : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL, shl,
1105 immZExt5>, SRA_FM<0, 0>;
1106 def SRL : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL, srl,
1107 immZExt5>, SRA_FM<2, 0>;
1108 def SRA : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA, sra,
1109 immZExt5>, SRA_FM<3, 0>;
1110 def SLLV : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV, shl>,
1112 def SRLV : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV, srl>,
1114 def SRAV : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV, sra>,
1117 // Rotate Instructions
1118 def ROTR : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR, rotr,
1120 SRA_FM<2, 1>, ISA_MIPS32R2;
1121 def ROTRV : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV, rotr>,
1122 SRLV_FM<6, 1>, ISA_MIPS32R2;
1124 /// Load and Store Instructions
1126 def LB : Load<"lb", GPR32Opnd, sextloadi8, II_LB>, MMRel, LW_FM<0x20>;
1127 def LBu : Load<"lbu", GPR32Opnd, zextloadi8, II_LBU, addrDefault>, MMRel,
1129 def LH : Load<"lh", GPR32Opnd, sextloadi16, II_LH, addrDefault>, MMRel,
1131 def LHu : Load<"lhu", GPR32Opnd, zextloadi16, II_LHU>, MMRel, LW_FM<0x25>;
1132 def LW : Load<"lw", GPR32Opnd, load, II_LW, addrDefault>, MMRel,
1134 def SB : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel, LW_FM<0x28>;
1135 def SH : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel, LW_FM<0x29>;
1136 def SW : Store<"sw", GPR32Opnd, store, II_SW>, MMRel, LW_FM<0x2b>;
1138 /// load/store left/right
1139 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1140 AdditionalPredicates = [NotInMicroMips] in {
1141 def LWL : LoadLeftRight<"lwl", MipsLWL, GPR32Opnd, II_LWL>, LW_FM<0x22>,
1142 ISA_MIPS1_NOT_32R6_64R6;
1143 def LWR : LoadLeftRight<"lwr", MipsLWR, GPR32Opnd, II_LWR>, LW_FM<0x26>,
1144 ISA_MIPS1_NOT_32R6_64R6;
1145 def SWL : StoreLeftRight<"swl", MipsSWL, GPR32Opnd, II_SWL>, LW_FM<0x2a>,
1146 ISA_MIPS1_NOT_32R6_64R6;
1147 def SWR : StoreLeftRight<"swr", MipsSWR, GPR32Opnd, II_SWR>, LW_FM<0x2e>,
1148 ISA_MIPS1_NOT_32R6_64R6;
1151 def SYNC : MMRel, SYNC_FT<"sync">, SYNC_FM, ISA_MIPS32;
1152 def TEQ : MMRel, TEQ_FT<"teq", GPR32Opnd>, TEQ_FM<0x34>;
1153 def TGE : MMRel, TEQ_FT<"tge", GPR32Opnd>, TEQ_FM<0x30>;
1154 def TGEU : MMRel, TEQ_FT<"tgeu", GPR32Opnd>, TEQ_FM<0x31>;
1155 def TLT : MMRel, TEQ_FT<"tlt", GPR32Opnd>, TEQ_FM<0x32>;
1156 def TLTU : MMRel, TEQ_FT<"tltu", GPR32Opnd>, TEQ_FM<0x33>;
1157 def TNE : MMRel, TEQ_FT<"tne", GPR32Opnd>, TEQ_FM<0x36>;
1159 def TEQI : MMRel, TEQI_FT<"teqi", GPR32Opnd>, TEQI_FM<0xc>,
1160 ISA_MIPS2_NOT_32R6_64R6;
1161 def TGEI : MMRel, TEQI_FT<"tgei", GPR32Opnd>, TEQI_FM<0x8>,
1162 ISA_MIPS2_NOT_32R6_64R6;
1163 def TGEIU : MMRel, TEQI_FT<"tgeiu", GPR32Opnd>, TEQI_FM<0x9>,
1164 ISA_MIPS2_NOT_32R6_64R6;
1165 def TLTI : MMRel, TEQI_FT<"tlti", GPR32Opnd>, TEQI_FM<0xa>,
1166 ISA_MIPS2_NOT_32R6_64R6;
1167 def TTLTIU : MMRel, TEQI_FT<"tltiu", GPR32Opnd>, TEQI_FM<0xb>,
1168 ISA_MIPS2_NOT_32R6_64R6;
1169 def TNEI : MMRel, TEQI_FT<"tnei", GPR32Opnd>, TEQI_FM<0xe>,
1170 ISA_MIPS2_NOT_32R6_64R6;
1172 def BREAK : MMRel, BRK_FT<"break">, BRK_FM<0xd>;
1173 def SYSCALL : MMRel, SYS_FT<"syscall">, SYS_FM<0xc>;
1174 def TRAP : TrapBase<BREAK>;
1175 def SDBBP : SYS_FT<"sdbbp">, SDBBP_FM, ISA_MIPS32_NOT_32R6_64R6;
1177 def ERET : MMRel, ER_FT<"eret">, ER_FM<0x18>, INSN_MIPS3_32;
1178 def DERET : MMRel, ER_FT<"deret">, ER_FM<0x1f>, ISA_MIPS32;
1180 def EI : MMRel, DEI_FT<"ei", GPR32Opnd>, EI_FM<1>, ISA_MIPS32R2;
1181 def DI : MMRel, DEI_FT<"di", GPR32Opnd>, EI_FM<0>, ISA_MIPS32R2;
1183 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1184 AdditionalPredicates = [NotInMicroMips] in {
1185 def WAIT : WAIT_FT<"wait">, WAIT_FM;
1187 /// Load-linked, Store-conditional
1188 def LL : LLBase<"ll", GPR32Opnd>, LW_FM<0x30>, ISA_MIPS2_NOT_32R6_64R6;
1189 def SC : SCBase<"sc", GPR32Opnd>, LW_FM<0x38>, ISA_MIPS2_NOT_32R6_64R6;
1192 /// Jump and Branch Instructions
1193 def J : MMRel, JumpFJ<jmptarget, "j", br, bb, "j">, FJ<2>,
1194 AdditionalRequires<[RelocStatic]>, IsBranch;
1195 def JR : MMRel, IndirectBranch<"jr", GPR32Opnd>, MTLO_FM<8>;
1196 def BEQ : MMRel, CBranch<"beq", brtarget, seteq, GPR32Opnd>, BEQ_FM<4>;
1197 def BNE : MMRel, CBranch<"bne", brtarget, setne, GPR32Opnd>, BEQ_FM<5>;
1198 def BGEZ : MMRel, CBranchZero<"bgez", brtarget, setge, GPR32Opnd>,
1200 def BGTZ : MMRel, CBranchZero<"bgtz", brtarget, setgt, GPR32Opnd>,
1202 def BLEZ : MMRel, CBranchZero<"blez", brtarget, setle, GPR32Opnd>,
1204 def BLTZ : MMRel, CBranchZero<"bltz", brtarget, setlt, GPR32Opnd>,
1206 def B : UncondBranch<BEQ>;
1208 def JAL : MMRel, JumpLink<"jal", calltarget>, FJ<3>;
1209 let AdditionalPredicates = [NotInMicroMips] in {
1210 def JALR : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM;
1211 def JALRPseudo : JumpLinkRegPseudo<GPR32Opnd, JALR, RA>;
1214 // FIXME: JALX really requires either MIPS16 or microMIPS in addition to MIPS32.
1215 def JALX : JumpLink<"jalx", calltarget>, FJ<0x1D>, ISA_MIPS32_NOT_32R6_64R6;
1216 def BGEZAL : MMRel, BGEZAL_FT<"bgezal", brtarget, GPR32Opnd>, BGEZAL_FM<0x11>,
1217 ISA_MIPS1_NOT_32R6_64R6;
1218 def BLTZAL : MMRel, BGEZAL_FT<"bltzal", brtarget, GPR32Opnd>, BGEZAL_FM<0x10>,
1219 ISA_MIPS1_NOT_32R6_64R6;
1220 def BAL_BR : BAL_BR_Pseudo<BGEZAL>;
1221 def TAILCALL : TailCall<J>;
1222 def TAILCALL_R : TailCallReg<GPR32Opnd, JR>;
1224 // Return instruction
1225 // RetRA is expanded into this after register allocation and then MipsAsmPrinter
1226 // expands this into JR, or JALR depending on the ISA.
1227 class PseudoReturnBase<RegisterOperand RO> : MipsPseudo<(outs), (ins RO:$rs),
1229 let isTerminator = 1;
1231 let hasDelaySlot = 1;
1233 let isCodeGenOnly = 1;
1235 let hasExtraSrcRegAllocReq = 1;
1238 def PseudoReturn : PseudoReturnBase<GPR32Opnd>;
1240 // Exception handling related node and instructions.
1241 // The conversion sequence is:
1242 // ISD::EH_RETURN -> MipsISD::EH_RETURN ->
1243 // MIPSeh_return -> (stack change + indirect branch)
1245 // MIPSeh_return takes the place of regular return instruction
1246 // but takes two arguments (V1, V0) which are used for storing
1247 // the offset and return address respectively.
1248 def SDT_MipsEHRET : SDTypeProfile<0, 2, [SDTCisInt<0>, SDTCisPtrTy<1>]>;
1250 def MIPSehret : SDNode<"MipsISD::EH_RETURN", SDT_MipsEHRET,
1251 [SDNPHasChain, SDNPOptInGlue, SDNPVariadic]>;
1253 let Uses = [V0, V1], isTerminator = 1, isReturn = 1, isBarrier = 1 in {
1254 def MIPSeh_return32 : MipsPseudo<(outs), (ins GPR32:$spoff, GPR32:$dst),
1255 [(MIPSehret GPR32:$spoff, GPR32:$dst)]>;
1256 def MIPSeh_return64 : MipsPseudo<(outs), (ins GPR64:$spoff,
1258 [(MIPSehret GPR64:$spoff, GPR64:$dst)]>;
1261 /// Multiply and Divide Instructions.
1262 def MULT : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
1263 MULT_FM<0, 0x18>, ISA_MIPS1_NOT_32R6_64R6;
1264 def MULTu : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
1265 MULT_FM<0, 0x19>, ISA_MIPS1_NOT_32R6_64R6;
1266 def SDIV : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
1267 MULT_FM<0, 0x1a>, ISA_MIPS1_NOT_32R6_64R6;
1268 def UDIV : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
1269 MULT_FM<0, 0x1b>, ISA_MIPS1_NOT_32R6_64R6;
1271 def MTHI : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>, MTLO_FM<0x11>,
1272 ISA_MIPS1_NOT_32R6_64R6;
1273 def MTLO : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>, MTLO_FM<0x13>,
1274 ISA_MIPS1_NOT_32R6_64R6;
1275 let EncodingPredicates = []<Predicate>, // FIXME: Lack of HasStdEnc is probably a bug
1276 AdditionalPredicates = [NotInMicroMips] in {
1277 def MFHI : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>, MFLO_FM<0x10>,
1278 ISA_MIPS1_NOT_32R6_64R6;
1279 def MFLO : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>, MFLO_FM<0x12>,
1280 ISA_MIPS1_NOT_32R6_64R6;
1283 /// Sign Ext In Register Instructions.
1284 def SEB : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
1285 SEB_FM<0x10, 0x20>, ISA_MIPS32R2;
1286 def SEH : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
1287 SEB_FM<0x18, 0x20>, ISA_MIPS32R2;
1290 def CLZ : MMRel, CountLeading0<"clz", GPR32Opnd>, CLO_FM<0x20>,
1291 ISA_MIPS32_NOT_32R6_64R6;
1292 def CLO : MMRel, CountLeading1<"clo", GPR32Opnd>, CLO_FM<0x21>,
1293 ISA_MIPS32_NOT_32R6_64R6;
1295 /// Word Swap Bytes Within Halfwords
1296 def WSBH : MMRel, SubwordSwap<"wsbh", GPR32Opnd>, SEB_FM<2, 0x20>, ISA_MIPS32R2;
1299 def NOP : PseudoSE<(outs), (ins), []>, PseudoInstExpansion<(SLL ZERO, ZERO, 0)>;
1301 // FrameIndexes are legalized when they are operands from load/store
1302 // instructions. The same not happens for stack address copies, so an
1303 // add op with mem ComplexPattern is used and the stack address copy
1304 // can be matched. It's similar to Sparc LEA_ADDRi
1305 def LEA_ADDiu : MMRel, EffectiveAddress<"addiu", GPR32Opnd>, LW_FM<9>;
1308 def MADD : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM<0x1c, 0>,
1309 ISA_MIPS32_NOT_32R6_64R6;
1310 def MADDU : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM<0x1c, 1>,
1311 ISA_MIPS32_NOT_32R6_64R6;
1312 def MSUB : MMRel, MArithR<"msub", II_MSUB>, MULT_FM<0x1c, 4>,
1313 ISA_MIPS32_NOT_32R6_64R6;
1314 def MSUBU : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM<0x1c, 5>,
1315 ISA_MIPS32_NOT_32R6_64R6;
1317 let AdditionalPredicates = [NotDSP] in {
1318 def PseudoMULT : MultDivPseudo<MULT, ACC64, GPR32Opnd, MipsMult, II_MULT>,
1319 ISA_MIPS1_NOT_32R6_64R6;
1320 def PseudoMULTu : MultDivPseudo<MULTu, ACC64, GPR32Opnd, MipsMultu, II_MULTU>,
1321 ISA_MIPS1_NOT_32R6_64R6;
1322 def PseudoMFHI : PseudoMFLOHI<GPR32, ACC64, MipsMFHI>, ISA_MIPS1_NOT_32R6_64R6;
1323 def PseudoMFLO : PseudoMFLOHI<GPR32, ACC64, MipsMFLO>, ISA_MIPS1_NOT_32R6_64R6;
1324 def PseudoMTLOHI : PseudoMTLOHI<ACC64, GPR32>, ISA_MIPS1_NOT_32R6_64R6;
1325 def PseudoMADD : MAddSubPseudo<MADD, MipsMAdd, II_MADD>,
1326 ISA_MIPS32_NOT_32R6_64R6;
1327 def PseudoMADDU : MAddSubPseudo<MADDU, MipsMAddu, II_MADDU>,
1328 ISA_MIPS32_NOT_32R6_64R6;
1329 def PseudoMSUB : MAddSubPseudo<MSUB, MipsMSub, II_MSUB>,
1330 ISA_MIPS32_NOT_32R6_64R6;
1331 def PseudoMSUBU : MAddSubPseudo<MSUBU, MipsMSubu, II_MSUBU>,
1332 ISA_MIPS32_NOT_32R6_64R6;
1335 def PseudoSDIV : MultDivPseudo<SDIV, ACC64, GPR32Opnd, MipsDivRem, II_DIV,
1336 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1337 def PseudoUDIV : MultDivPseudo<UDIV, ACC64, GPR32Opnd, MipsDivRemU, II_DIVU,
1338 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1340 def RDHWR : ReadHardware<GPR32Opnd, HWRegsOpnd>, RDHWR_FM;
1342 def EXT : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, MipsExt>, EXT_FM<0>;
1343 def INS : MMRel, InsBase<"ins", GPR32Opnd, uimm5, MipsIns>, EXT_FM<4>;
1345 /// Move Control Registers From/To CPU Registers
1346 def MFC0 : MFC3OP<"mfc0", GPR32Opnd>, MFC3OP_FM<0x10, 0>, ISA_MIPS32;
1347 def MTC0 : MFC3OP<"mtc0", GPR32Opnd>, MFC3OP_FM<0x10, 4>, ISA_MIPS32;
1348 def MFC2 : MFC3OP<"mfc2", GPR32Opnd>, MFC3OP_FM<0x12, 0>;
1349 def MTC2 : MFC3OP<"mtc2", GPR32Opnd>, MFC3OP_FM<0x12, 4>;
1351 class Barrier<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1353 def SSNOP : Barrier<"ssnop">, BARRIER_FM<1>;
1354 def EHB : Barrier<"ehb">, BARRIER_FM<3>;
1355 def PAUSE : Barrier<"pause">, BARRIER_FM<5>, ISA_MIPS32R2;
1357 // JR_HB and JALR_HB are defined here using the new style naming
1358 // scheme because some of this code is shared with Mips32r6InstrInfo.td
1359 // and because of that it doesn't follow the naming convention of the
1360 // rest of the file. To avoid a mixture of old vs new style, the new
1361 // style was chosen.
1362 class JR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1363 dag OutOperandList = (outs);
1364 dag InOperandList = (ins GPROpnd:$rs);
1365 string AsmString = !strconcat(instr_asm, "\t$rs");
1366 list<dag> Pattern = [];
1369 class JALR_HB_DESC_BASE<string instr_asm, RegisterOperand GPROpnd> {
1370 dag OutOperandList = (outs GPROpnd:$rd);
1371 dag InOperandList = (ins GPROpnd:$rs);
1372 string AsmString = !strconcat(instr_asm, "\t$rd, $rs");
1373 list<dag> Pattern = [];
1376 class JR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1377 JR_HB_DESC_BASE<"jr.hb", GPR32Opnd> {
1379 let isIndirectBranch=1;
1385 class JALR_HB_DESC : InstSE<(outs), (ins), "", [], NoItinerary, FrmJ>,
1386 JALR_HB_DESC_BASE<"jalr.hb", GPR32Opnd> {
1387 let isIndirectBranch=1;
1391 class JR_HB_ENC : JR_HB_FM<8>;
1392 class JALR_HB_ENC : JALR_HB_FM<9>;
1394 def JR_HB : JR_HB_DESC, JR_HB_ENC, ISA_MIPS32_NOT_32R6_64R6;
1395 def JALR_HB : JALR_HB_DESC, JALR_HB_ENC, ISA_MIPS32;
1397 class TLB<string asmstr> : InstSE<(outs), (ins), asmstr, [], NoItinerary,
1399 def TLBP : TLB<"tlbp">, COP0_TLB_FM<0x08>;
1400 def TLBR : TLB<"tlbr">, COP0_TLB_FM<0x01>;
1401 def TLBWI : TLB<"tlbwi">, COP0_TLB_FM<0x02>;
1402 def TLBWR : TLB<"tlbwr">, COP0_TLB_FM<0x06>;
1404 class CacheOp<string instr_asm, Operand MemOpnd, RegisterOperand GPROpnd> :
1405 InstSE<(outs), (ins MemOpnd:$addr, uimm5:$hint),
1406 !strconcat(instr_asm, "\t$hint, $addr"), [], NoItinerary, FrmOther>;
1408 def CACHE : CacheOp<"cache", mem, GPR32Opnd>, CACHEOP_FM<0b101111>,
1409 INSN_MIPS3_32_NOT_32R6_64R6;
1410 def PREF : CacheOp<"pref", mem, GPR32Opnd>, CACHEOP_FM<0b110011>,
1411 INSN_MIPS3_32_NOT_32R6_64R6;
1413 //===----------------------------------------------------------------------===//
1414 // Instruction aliases
1415 //===----------------------------------------------------------------------===//
1416 def : MipsInstAlias<"move $dst, $src",
1417 (ADDu GPR32Opnd:$dst, GPR32Opnd:$src,ZERO), 1>,
1419 let AdditionalPredicates = [NotInMicroMips];
1421 def : MipsInstAlias<"bal $offset", (BGEZAL ZERO, brtarget:$offset), 0>,
1422 ISA_MIPS1_NOT_32R6_64R6;
1423 def : MipsInstAlias<"addu $rs, $rt, $imm",
1424 (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1425 def : MipsInstAlias<"add $rs, $rt, $imm",
1426 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1427 def : MipsInstAlias<"and $rs, $rt, $imm",
1428 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1429 def : MipsInstAlias<"and $rs, $imm",
1430 (ANDi GPR32Opnd:$rs, GPR32Opnd:$rs, simm16:$imm), 0>;
1431 def : MipsInstAlias<"j $rs", (JR GPR32Opnd:$rs), 0>;
1432 let Predicates = [NotInMicroMips] in {
1433 def : MipsInstAlias<"jalr $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1435 def : MipsInstAlias<"jal $rs", (JALR RA, GPR32Opnd:$rs), 0>;
1436 def : MipsInstAlias<"jal $rd,$rs", (JALR GPR32Opnd:$rd, GPR32Opnd:$rs), 0>;
1437 def : MipsInstAlias<"jalr.hb $rs", (JALR_HB RA, GPR32Opnd:$rs), 1>, ISA_MIPS32;
1438 def : MipsInstAlias<"not $rt, $rs",
1439 (NOR GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>;
1440 def : MipsInstAlias<"neg $rt, $rs",
1441 (SUB GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1442 def : MipsInstAlias<"negu $rt",
1443 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 0>;
1444 def : MipsInstAlias<"negu $rt, $rs",
1445 (SUBu GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>;
1446 def : MipsInstAlias<"slt $rs, $rt, $imm",
1447 (SLTi GPR32Opnd:$rs, GPR32Opnd:$rt, simm16:$imm), 0>;
1448 def : MipsInstAlias<"sltu $rt, $rs, $imm",
1449 (SLTiu GPR32Opnd:$rt, GPR32Opnd:$rs, simm16:$imm), 0>;
1450 def : MipsInstAlias<"xor $rs, $rt, $imm",
1451 (XORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1452 def : MipsInstAlias<"or $rs, $rt, $imm",
1453 (ORi GPR32Opnd:$rs, GPR32Opnd:$rt, uimm16:$imm), 0>;
1454 def : MipsInstAlias<"or $rs, $imm",
1455 (ORi GPR32Opnd:$rs, GPR32Opnd:$rs, uimm16:$imm), 0>;
1456 def : MipsInstAlias<"nop", (SLL ZERO, ZERO, 0), 1>;
1457 def : MipsInstAlias<"mfc0 $rt, $rd", (MFC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1458 def : MipsInstAlias<"mtc0 $rt, $rd", (MTC0 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1459 def : MipsInstAlias<"mfc2 $rt, $rd", (MFC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1460 def : MipsInstAlias<"mtc2 $rt, $rd", (MTC2 GPR32Opnd:$rt, GPR32Opnd:$rd, 0), 0>;
1461 def : MipsInstAlias<"b $offset", (BEQ ZERO, ZERO, brtarget:$offset), 0>;
1462 def : MipsInstAlias<"bnez $rs,$offset",
1463 (BNE GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1464 def : MipsInstAlias<"beqz $rs,$offset",
1465 (BEQ GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>;
1466 def : MipsInstAlias<"syscall", (SYSCALL 0), 1>;
1468 def : MipsInstAlias<"break", (BREAK 0, 0), 1>;
1469 def : MipsInstAlias<"break $imm", (BREAK uimm10:$imm, 0), 1>;
1470 def : MipsInstAlias<"ei", (EI ZERO), 1>;
1471 def : MipsInstAlias<"di", (DI ZERO), 1>;
1473 def : MipsInstAlias<"teq $rs, $rt", (TEQ GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1474 def : MipsInstAlias<"tge $rs, $rt", (TGE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1475 def : MipsInstAlias<"tgeu $rs, $rt", (TGEU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1477 def : MipsInstAlias<"tlt $rs, $rt", (TLT GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1478 def : MipsInstAlias<"tltu $rs, $rt", (TLTU GPR32Opnd:$rs, GPR32Opnd:$rt, 0),
1480 def : MipsInstAlias<"tne $rs, $rt", (TNE GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1481 def : MipsInstAlias<"sll $rd, $rt, $rs",
1482 (SLLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1483 def : MipsInstAlias<"sub, $rd, $rs, $imm",
1484 (ADDi GPR32Opnd:$rd, GPR32Opnd:$rs,
1485 InvertedImOperand:$imm), 0>;
1486 def : MipsInstAlias<"sub $rs, $imm",
1487 (ADDi GPR32Opnd:$rs, GPR32Opnd:$rs, InvertedImOperand:$imm),
1489 def : MipsInstAlias<"subu, $rd, $rs, $imm",
1490 (ADDiu GPR32Opnd:$rd, GPR32Opnd:$rs,
1491 InvertedImOperand:$imm), 0>;
1492 def : MipsInstAlias<"subu $rs, $imm", (ADDiu GPR32Opnd:$rs, GPR32Opnd:$rs,
1493 InvertedImOperand:$imm), 0>;
1494 def : MipsInstAlias<"sra $rd, $rt, $rs",
1495 (SRAV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1496 def : MipsInstAlias<"srl $rd, $rt, $rs",
1497 (SRLV GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1498 def : MipsInstAlias<"sdbbp", (SDBBP 0)>, ISA_MIPS32_NOT_32R6_64R6;
1499 def : MipsInstAlias<"sync",
1500 (SYNC 0), 1>, ISA_MIPS2;
1501 //===----------------------------------------------------------------------===//
1502 // Assembler Pseudo Instructions
1503 //===----------------------------------------------------------------------===//
1505 class LoadImm32< string instr_asm, Operand Od, RegisterOperand RO> :
1506 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1507 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1508 def LoadImm32Reg : LoadImm32<"li", uimm5, GPR32Opnd>;
1510 class LoadAddress<string instr_asm, Operand MemOpnd, RegisterOperand RO> :
1511 MipsAsmPseudoInst<(outs RO:$rt), (ins MemOpnd:$addr),
1512 !strconcat(instr_asm, "\t$rt, $addr")> ;
1513 def LoadAddr32Reg : LoadAddress<"la", mem, GPR32Opnd>;
1515 class LoadAddressImm<string instr_asm, Operand Od, RegisterOperand RO> :
1516 MipsAsmPseudoInst<(outs RO:$rt), (ins Od:$imm32),
1517 !strconcat(instr_asm, "\t$rt, $imm32")> ;
1518 def LoadAddr32Imm : LoadAddressImm<"la", uimm5, GPR32Opnd>;
1520 //===----------------------------------------------------------------------===//
1521 // Arbitrary patterns that map to one or more instructions
1522 //===----------------------------------------------------------------------===//
1524 // Load/store pattern templates.
1525 class LoadRegImmPat<Instruction LoadInst, ValueType ValTy, PatFrag Node> :
1526 MipsPat<(ValTy (Node addrRegImm:$a)), (LoadInst addrRegImm:$a)>;
1528 class StoreRegImmPat<Instruction StoreInst, ValueType ValTy> :
1529 MipsPat<(store ValTy:$v, addrRegImm:$a), (StoreInst ValTy:$v, addrRegImm:$a)>;
1532 def : MipsPat<(i32 immSExt16:$in),
1533 (ADDiu ZERO, imm:$in)>;
1534 def : MipsPat<(i32 immZExt16:$in),
1535 (ORi ZERO, imm:$in)>;
1536 def : MipsPat<(i32 immLow16Zero:$in),
1537 (LUi (HI16 imm:$in))>;
1539 // Arbitrary immediates
1540 def : MipsPat<(i32 imm:$imm),
1541 (ORi (LUi (HI16 imm:$imm)), (LO16 imm:$imm))>;
1543 // Carry MipsPatterns
1544 def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1545 (SUBu GPR32:$lhs, GPR32:$rhs)>;
1546 let AdditionalPredicates = [NotDSP] in {
1547 def : MipsPat<(addc GPR32:$lhs, GPR32:$rhs),
1548 (ADDu GPR32:$lhs, GPR32:$rhs)>;
1549 def : MipsPat<(addc GPR32:$src, immSExt16:$imm),
1550 (ADDiu GPR32:$src, imm:$imm)>;
1554 def : MipsPat<(MipsSync (i32 immz)),
1555 (SYNC 0)>, ISA_MIPS2;
1558 def : MipsPat<(MipsJmpLink (i32 tglobaladdr:$dst)),
1559 (JAL tglobaladdr:$dst)>;
1560 def : MipsPat<(MipsJmpLink (i32 texternalsym:$dst)),
1561 (JAL texternalsym:$dst)>;
1562 //def : MipsPat<(MipsJmpLink GPR32:$dst),
1563 // (JALR GPR32:$dst)>;
1566 def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1567 (TAILCALL tglobaladdr:$dst)>;
1568 def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1569 (TAILCALL texternalsym:$dst)>;
1571 def : MipsPat<(MipsHi tglobaladdr:$in), (LUi tglobaladdr:$in)>;
1572 def : MipsPat<(MipsHi tblockaddress:$in), (LUi tblockaddress:$in)>;
1573 def : MipsPat<(MipsHi tjumptable:$in), (LUi tjumptable:$in)>;
1574 def : MipsPat<(MipsHi tconstpool:$in), (LUi tconstpool:$in)>;
1575 def : MipsPat<(MipsHi tglobaltlsaddr:$in), (LUi tglobaltlsaddr:$in)>;
1576 def : MipsPat<(MipsHi texternalsym:$in), (LUi texternalsym:$in)>;
1578 def : MipsPat<(MipsLo tglobaladdr:$in), (ADDiu ZERO, tglobaladdr:$in)>;
1579 def : MipsPat<(MipsLo tblockaddress:$in), (ADDiu ZERO, tblockaddress:$in)>;
1580 def : MipsPat<(MipsLo tjumptable:$in), (ADDiu ZERO, tjumptable:$in)>;
1581 def : MipsPat<(MipsLo tconstpool:$in), (ADDiu ZERO, tconstpool:$in)>;
1582 def : MipsPat<(MipsLo tglobaltlsaddr:$in), (ADDiu ZERO, tglobaltlsaddr:$in)>;
1583 def : MipsPat<(MipsLo texternalsym:$in), (ADDiu ZERO, texternalsym:$in)>;
1585 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaladdr:$lo)),
1586 (ADDiu GPR32:$hi, tglobaladdr:$lo)>;
1587 def : MipsPat<(add GPR32:$hi, (MipsLo tblockaddress:$lo)),
1588 (ADDiu GPR32:$hi, tblockaddress:$lo)>;
1589 def : MipsPat<(add GPR32:$hi, (MipsLo tjumptable:$lo)),
1590 (ADDiu GPR32:$hi, tjumptable:$lo)>;
1591 def : MipsPat<(add GPR32:$hi, (MipsLo tconstpool:$lo)),
1592 (ADDiu GPR32:$hi, tconstpool:$lo)>;
1593 def : MipsPat<(add GPR32:$hi, (MipsLo tglobaltlsaddr:$lo)),
1594 (ADDiu GPR32:$hi, tglobaltlsaddr:$lo)>;
1597 def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1598 (ADDiu GPR32:$gp, tglobaladdr:$in)>;
1599 def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1600 (ADDiu GPR32:$gp, tconstpool:$in)>;
1603 class WrapperPat<SDNode node, Instruction ADDiuOp, RegisterClass RC>:
1604 MipsPat<(MipsWrapper RC:$gp, node:$in),
1605 (ADDiuOp RC:$gp, node:$in)>;
1607 def : WrapperPat<tglobaladdr, ADDiu, GPR32>;
1608 def : WrapperPat<tconstpool, ADDiu, GPR32>;
1609 def : WrapperPat<texternalsym, ADDiu, GPR32>;
1610 def : WrapperPat<tblockaddress, ADDiu, GPR32>;
1611 def : WrapperPat<tjumptable, ADDiu, GPR32>;
1612 def : WrapperPat<tglobaltlsaddr, ADDiu, GPR32>;
1614 // Mips does not have "not", so we expand our way
1615 def : MipsPat<(not GPR32:$in),
1616 (NOR GPR32Opnd:$in, ZERO)>;
1619 def : MipsPat<(i32 (extloadi1 addr:$src)), (LBu addr:$src)>;
1620 def : MipsPat<(i32 (extloadi8 addr:$src)), (LBu addr:$src)>;
1621 def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu addr:$src)>;
1624 def : MipsPat<(store (i32 0), addr:$dst), (SW ZERO, addr:$dst)>;
1627 multiclass BrcondPats<RegisterClass RC, Instruction BEQOp, Instruction BNEOp,
1628 Instruction SLTOp, Instruction SLTuOp, Instruction SLTiOp,
1629 Instruction SLTiuOp, Register ZEROReg> {
1630 def : MipsPat<(brcond (i32 (setne RC:$lhs, 0)), bb:$dst),
1631 (BNEOp RC:$lhs, ZEROReg, bb:$dst)>;
1632 def : MipsPat<(brcond (i32 (seteq RC:$lhs, 0)), bb:$dst),
1633 (BEQOp RC:$lhs, ZEROReg, bb:$dst)>;
1635 def : MipsPat<(brcond (i32 (setge RC:$lhs, RC:$rhs)), bb:$dst),
1636 (BEQ (SLTOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1637 def : MipsPat<(brcond (i32 (setuge RC:$lhs, RC:$rhs)), bb:$dst),
1638 (BEQ (SLTuOp RC:$lhs, RC:$rhs), ZERO, bb:$dst)>;
1639 def : MipsPat<(brcond (i32 (setge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1640 (BEQ (SLTiOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1641 def : MipsPat<(brcond (i32 (setuge RC:$lhs, immSExt16:$rhs)), bb:$dst),
1642 (BEQ (SLTiuOp RC:$lhs, immSExt16:$rhs), ZERO, bb:$dst)>;
1643 def : MipsPat<(brcond (i32 (setgt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1644 (BEQ (SLTiOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1645 def : MipsPat<(brcond (i32 (setugt RC:$lhs, immSExt16Plus1:$rhs)), bb:$dst),
1646 (BEQ (SLTiuOp RC:$lhs, (Plus1 imm:$rhs)), ZERO, bb:$dst)>;
1648 def : MipsPat<(brcond (i32 (setle RC:$lhs, RC:$rhs)), bb:$dst),
1649 (BEQ (SLTOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1650 def : MipsPat<(brcond (i32 (setule RC:$lhs, RC:$rhs)), bb:$dst),
1651 (BEQ (SLTuOp RC:$rhs, RC:$lhs), ZERO, bb:$dst)>;
1653 def : MipsPat<(brcond RC:$cond, bb:$dst),
1654 (BNEOp RC:$cond, ZEROReg, bb:$dst)>;
1657 defm : BrcondPats<GPR32, BEQ, BNE, SLT, SLTu, SLTi, SLTiu, ZERO>;
1659 def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1660 (BLEZ i32:$lhs, bb:$dst)>;
1661 def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1662 (BGEZ i32:$lhs, bb:$dst)>;
1665 multiclass SeteqPats<RegisterClass RC, Instruction SLTiuOp, Instruction XOROp,
1666 Instruction SLTuOp, Register ZEROReg> {
1667 def : MipsPat<(seteq RC:$lhs, 0),
1668 (SLTiuOp RC:$lhs, 1)>;
1669 def : MipsPat<(setne RC:$lhs, 0),
1670 (SLTuOp ZEROReg, RC:$lhs)>;
1671 def : MipsPat<(seteq RC:$lhs, RC:$rhs),
1672 (SLTiuOp (XOROp RC:$lhs, RC:$rhs), 1)>;
1673 def : MipsPat<(setne RC:$lhs, RC:$rhs),
1674 (SLTuOp ZEROReg, (XOROp RC:$lhs, RC:$rhs))>;
1677 multiclass SetlePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1678 def : MipsPat<(setle RC:$lhs, RC:$rhs),
1679 (XORi (SLTOp RC:$rhs, RC:$lhs), 1)>;
1680 def : MipsPat<(setule RC:$lhs, RC:$rhs),
1681 (XORi (SLTuOp RC:$rhs, RC:$lhs), 1)>;
1684 multiclass SetgtPats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1685 def : MipsPat<(setgt RC:$lhs, RC:$rhs),
1686 (SLTOp RC:$rhs, RC:$lhs)>;
1687 def : MipsPat<(setugt RC:$lhs, RC:$rhs),
1688 (SLTuOp RC:$rhs, RC:$lhs)>;
1691 multiclass SetgePats<RegisterClass RC, Instruction SLTOp, Instruction SLTuOp> {
1692 def : MipsPat<(setge RC:$lhs, RC:$rhs),
1693 (XORi (SLTOp RC:$lhs, RC:$rhs), 1)>;
1694 def : MipsPat<(setuge RC:$lhs, RC:$rhs),
1695 (XORi (SLTuOp RC:$lhs, RC:$rhs), 1)>;
1698 multiclass SetgeImmPats<RegisterClass RC, Instruction SLTiOp,
1699 Instruction SLTiuOp> {
1700 def : MipsPat<(setge RC:$lhs, immSExt16:$rhs),
1701 (XORi (SLTiOp RC:$lhs, immSExt16:$rhs), 1)>;
1702 def : MipsPat<(setuge RC:$lhs, immSExt16:$rhs),
1703 (XORi (SLTiuOp RC:$lhs, immSExt16:$rhs), 1)>;
1706 defm : SeteqPats<GPR32, SLTiu, XOR, SLTu, ZERO>;
1707 defm : SetlePats<GPR32, SLT, SLTu>;
1708 defm : SetgtPats<GPR32, SLT, SLTu>;
1709 defm : SetgePats<GPR32, SLT, SLTu>;
1710 defm : SetgeImmPats<GPR32, SLTi, SLTiu>;
1713 def : MipsPat<(bswap GPR32:$rt), (ROTR (WSBH GPR32:$rt), 16)>;
1715 // Load halfword/word patterns.
1716 let AddedComplexity = 40 in {
1717 def : LoadRegImmPat<LBu, i32, zextloadi8>;
1718 def : LoadRegImmPat<LH, i32, sextloadi16>;
1719 def : LoadRegImmPat<LW, i32, load>;
1722 //===----------------------------------------------------------------------===//
1723 // Floating Point Support
1724 //===----------------------------------------------------------------------===//
1726 include "MipsInstrFPU.td"
1727 include "Mips64InstrInfo.td"
1728 include "MipsCondMov.td"
1730 include "Mips32r6InstrInfo.td"
1731 include "Mips64r6InstrInfo.td"
1736 include "Mips16InstrFormats.td"
1737 include "Mips16InstrInfo.td"
1740 include "MipsDSPInstrFormats.td"
1741 include "MipsDSPInstrInfo.td"
1744 include "MipsMSAInstrFormats.td"
1745 include "MipsMSAInstrInfo.td"
1748 include "MicroMipsInstrFormats.td"
1749 include "MicroMipsInstrInfo.td"
1750 include "MicroMipsInstrFPU.td"