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1//===--- MicroMipsInstrFormats.td - microMIPS Inst Defs -*- tablegen -*----===//
2//
3//                     The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9//
10// This files describes the defintions of the microMIPSr3 instructions.
11//
12//===----------------------------------------------------------------------===//
13
14def addrimm11 : ComplexPattern<iPTR, 2, "selectIntAddr11MM", [frameindex]>;
15def addrimm12 : ComplexPattern<iPTR, 2, "selectIntAddr12MM", [frameindex]>;
16def addrimm16 : ComplexPattern<iPTR, 2, "selectIntAddr16MM", [frameindex]>;
17def addrimm4lsl2 : ComplexPattern<iPTR, 2, "selectIntAddrLSL2MM", [frameindex]>;
18
19def simm9_addiusp : Operand<i32> {
20  let EncoderMethod = "getSImm9AddiuspValue";
21  let DecoderMethod = "DecodeSimm9SP";
22}
23
24def uimm3_shift : Operand<i32> {
25  let EncoderMethod = "getUImm3Mod8Encoding";
26  let DecoderMethod = "DecodePOOL16BEncodedField";
27}
28
29def simm3_lsa2 : Operand<i32> {
30  let EncoderMethod = "getSImm3Lsa2Value";
31  let DecoderMethod = "DecodeAddiur2Simm7";
32}
33
34def uimm4_andi : Operand<i32> {
35  let EncoderMethod = "getUImm4AndValue";
36  let DecoderMethod = "DecodeANDI16Imm";
37}
38
39def immSExtAddiur2 : ImmLeaf<i32, [{return Imm == 1 || Imm == -1 ||
40                                           ((Imm % 4 == 0) &&
41                                            Imm < 28 && Imm > 0);}]>;
42
43def immSExtAddius5 : ImmLeaf<i32, [{return Imm >= -8 && Imm <= 7;}]>;
44
45def immZExtAndi16 : ImmLeaf<i32,
46  [{return (Imm == 128 || (Imm >= 1 && Imm <= 4) || Imm == 7 || Imm == 8 ||
47            Imm == 15 || Imm == 16 || Imm == 31 || Imm == 32 || Imm == 63 ||
48            Imm == 64 || Imm == 255 || Imm == 32768 || Imm == 65535 );}]>;
49
50def immZExt2Shift : ImmLeaf<i32, [{return Imm >= 1 && Imm <= 8;}]>;
51
52def immLi16 : ImmLeaf<i32, [{return Imm >= -1 && Imm <= 126;}]>;
53
54def MicroMipsMemGPRMM16AsmOperand : AsmOperandClass {
55  let Name = "MicroMipsMem";
56  let RenderMethod = "addMicroMipsMemOperands";
57  let ParserMethod = "parseMemOperand";
58  let PredicateMethod = "isMemWithGRPMM16Base";
59}
60
61// Define the classes of pointers used by microMIPS.
62// The numbers must match those in MipsRegisterInfo::MipsPtrClass.
63def ptr_gpr16mm_rc : PointerLikeRegClass<1>;
64def ptr_sp_rc : PointerLikeRegClass<2>;
65def ptr_gp_rc : PointerLikeRegClass<3>;
66
67class mem_mm_4_generic : Operand<i32> {
68  let PrintMethod = "printMemOperand";
69  let MIOperandInfo = (ops ptr_gpr16mm_rc, simm4);
70  let OperandType = "OPERAND_MEMORY";
71  let ParserMatchClass = MicroMipsMemGPRMM16AsmOperand;
72}
73
74def mem_mm_4 : mem_mm_4_generic {
75  let EncoderMethod = "getMemEncodingMMImm4";
76}
77
78def mem_mm_4_lsl1 : mem_mm_4_generic {
79  let EncoderMethod = "getMemEncodingMMImm4Lsl1";
80}
81
82def mem_mm_4_lsl2 : mem_mm_4_generic {
83  let EncoderMethod = "getMemEncodingMMImm4Lsl2";
84}
85
86def MicroMipsMemSPAsmOperand : AsmOperandClass {
87  let Name = "MicroMipsMemSP";
88  let RenderMethod = "addMemOperands";
89  let ParserMethod = "parseMemOperand";
90  let PredicateMethod = "isMemWithUimmWordAlignedOffsetSP<7>";
91}
92
93def MicroMipsMemGPAsmOperand : AsmOperandClass {
94  let Name = "MicroMipsMemGP";
95  let RenderMethod = "addMemOperands";
96  let ParserMethod = "parseMemOperand";
97  let PredicateMethod = "isMemWithSimmWordAlignedOffsetGP<9>";
98}
99
100def mem_mm_sp_imm5_lsl2 : Operand<i32> {
101  let PrintMethod = "printMemOperand";
102  let MIOperandInfo = (ops ptr_sp_rc:$base, simm5:$offset);
103  let OperandType = "OPERAND_MEMORY";
104  let ParserMatchClass = MicroMipsMemSPAsmOperand;
105  let EncoderMethod = "getMemEncodingMMSPImm5Lsl2";
106}
107
108def mem_mm_gp_simm7_lsl2 : Operand<i32> {
109  let PrintMethod = "printMemOperand";
110  let MIOperandInfo = (ops ptr_gp_rc:$base, simm7_lsl2:$offset);
111  let OperandType = "OPERAND_MEMORY";
112  let ParserMatchClass = MicroMipsMemGPAsmOperand;
113  let EncoderMethod = "getMemEncodingMMGPImm7Lsl2";
114}
115
116def mem_mm_9 : Operand<i32> {
117  let PrintMethod = "printMemOperand";
118  let MIOperandInfo = (ops ptr_rc, simm9);
119  let EncoderMethod = "getMemEncodingMMImm9";
120  let ParserMatchClass = MipsMemSimm9AsmOperand;
121  let OperandType = "OPERAND_MEMORY";
122}
123
124def mem_mm_11 : Operand<i32> {
125  let PrintMethod = "printMemOperand";
126  let MIOperandInfo = (ops GPR32, simm11);
127  let EncoderMethod = "getMemEncodingMMImm11";
128  let ParserMatchClass = MipsMemSimm11AsmOperand;
129  let OperandType = "OPERAND_MEMORY";
130}
131
132def mem_mm_12 : Operand<i32> {
133  let PrintMethod = "printMemOperand";
134  let MIOperandInfo = (ops ptr_rc, simm12);
135  let EncoderMethod = "getMemEncodingMMImm12";
136  let ParserMatchClass = MipsMemAsmOperand;
137  let OperandType = "OPERAND_MEMORY";
138}
139
140def mem_mm_16 : Operand<i32> {
141  let PrintMethod = "printMemOperand";
142  let MIOperandInfo = (ops ptr_rc, simm16);
143  let EncoderMethod = "getMemEncodingMMImm16";
144  let DecoderMethod = "DecodeMemMMImm16";
145  let ParserMatchClass = MipsMemSimm16AsmOperand;
146  let OperandType = "OPERAND_MEMORY";
147}
148
149def MipsMemUimm4AsmOperand : AsmOperandClass {
150  let Name = "MemOffsetUimm4";
151  let SuperClasses = [MipsMemAsmOperand];
152  let RenderMethod = "addMemOperands";
153  let ParserMethod = "parseMemOperand";
154  let PredicateMethod = "isMemWithUimmOffsetSP<6>";
155}
156
157def mem_mm_4sp : Operand<i32> {
158  let PrintMethod = "printMemOperand";
159  let MIOperandInfo = (ops ptr_sp_rc, uimm8);
160  let EncoderMethod = "getMemEncodingMMImm4sp";
161  let ParserMatchClass = MipsMemUimm4AsmOperand;
162  let OperandType = "OPERAND_MEMORY";
163}
164
165def jmptarget_mm : Operand<OtherVT> {
166  let EncoderMethod = "getJumpTargetOpValueMM";
167}
168
169def calltarget_mm : Operand<iPTR> {
170  let EncoderMethod = "getJumpTargetOpValueMM";
171}
172
173def brtarget7_mm : Operand<OtherVT> {
174  let EncoderMethod = "getBranchTarget7OpValueMM";
175  let OperandType   = "OPERAND_PCREL";
176  let DecoderMethod = "DecodeBranchTarget7MM";
177  let ParserMatchClass = MipsJumpTargetAsmOperand;
178}
179
180def brtarget10_mm : Operand<OtherVT> {
181  let EncoderMethod = "getBranchTargetOpValueMMPC10";
182  let OperandType   = "OPERAND_PCREL";
183  let DecoderMethod = "DecodeBranchTarget10MM";
184  let ParserMatchClass = MipsJumpTargetAsmOperand;
185}
186
187def brtarget_mm : Operand<OtherVT> {
188  let EncoderMethod = "getBranchTargetOpValueMM";
189  let OperandType   = "OPERAND_PCREL";
190  let DecoderMethod = "DecodeBranchTargetMM";
191  let ParserMatchClass = MipsJumpTargetAsmOperand;
192}
193
194def simm23_lsl2 : Operand<i32> {
195  let EncoderMethod = "getSimm23Lsl2Encoding";
196  let DecoderMethod = "DecodeSimm23Lsl2";
197}
198
199class CompactBranchMM<string opstr, DAGOperand opnd, PatFrag cond_op,
200                      RegisterOperand RO> :
201  InstSE<(outs), (ins RO:$rs, opnd:$offset),
202         !strconcat(opstr, "\t$rs, $offset"), [], II_BCCZC, FrmI> {
203  let isBranch = 1;
204  let isTerminator = 1;
205  let hasDelaySlot = 0;
206  let Defs = [AT];
207}
208
209let canFoldAsLoad = 1 in
210class LoadLeftRightMM<string opstr, SDNode OpNode, RegisterOperand RO,
211                      Operand MemOpnd, InstrItinClass Itin> :
212  InstSE<(outs RO:$rt), (ins MemOpnd:$addr, RO:$src),
213         !strconcat(opstr, "\t$rt, $addr"),
214         [(set RO:$rt, (OpNode addrimm12:$addr, RO:$src))],
215         Itin, FrmI> {
216  let DecoderMethod = "DecodeMemMMImm12";
217  string Constraints = "$src = $rt";
218  let BaseOpcode = opstr;
219  bit mayLoad = 1;
220  bit mayStore = 0;
221}
222
223class StoreLeftRightMM<string opstr, SDNode OpNode, RegisterOperand RO,
224                       Operand MemOpnd, InstrItinClass Itin>:
225  InstSE<(outs), (ins RO:$rt, MemOpnd:$addr),
226         !strconcat(opstr, "\t$rt, $addr"),
227         [(OpNode RO:$rt, addrimm12:$addr)], Itin, FrmI> {
228  let DecoderMethod = "DecodeMemMMImm12";
229  let BaseOpcode = opstr;
230  bit mayLoad = 0;
231  bit mayStore = 1;
232}
233
234/// A register pair used by movep instruction.
235def MovePRegPairAsmOperand : AsmOperandClass {
236  let Name = "MovePRegPair";
237  let ParserMethod = "parseMovePRegPair";
238  let PredicateMethod = "isMovePRegPair";
239}
240
241def movep_regpair : Operand<i32> {
242  let EncoderMethod = "getMovePRegPairOpValue";
243  let ParserMatchClass = MovePRegPairAsmOperand;
244  let PrintMethod = "printRegisterList";
245  let DecoderMethod = "DecodeMovePRegPair";
246  let MIOperandInfo = (ops ptr_rc, ptr_rc);
247}
248
249class MovePMM16<string opstr, RegisterOperand RO> :
250MicroMipsInst16<(outs movep_regpair:$dst_regs), (ins RO:$rs, RO:$rt),
251                 !strconcat(opstr, "\t$dst_regs, $rs, $rt"), [],
252                 NoItinerary, FrmR> {
253  let isReMaterializable = 1;
254  let isMoveReg = 1;
255}
256
257class StorePairMM<string opstr, ComplexPattern Addr = addr>
258    :  InstSE<(outs), (ins GPR32Opnd:$rt, GPR32Opnd:$rt2, mem_simm12:$addr),
259         !strconcat(opstr, "\t$rt, $addr"), [], II_SWP, FrmI, opstr> {
260  let DecoderMethod = "DecodeMemMMImm12";
261  let mayStore = 1;
262  let AsmMatchConverter = "ConvertXWPOperands";
263}
264
265class LoadPairMM<string opstr, ComplexPattern Addr = addr>
266    : InstSE<(outs GPR32Opnd:$rt, GPR32Opnd:$rt2), (ins mem_simm12:$addr),
267          !strconcat(opstr, "\t$rt, $addr"), [], II_LWP, FrmI, opstr> {
268  let DecoderMethod = "DecodeMemMMImm12";
269  let mayLoad = 1;
270  let AsmMatchConverter = "ConvertXWPOperands";
271}
272
273class LLBaseMM<string opstr, RegisterOperand RO> :
274  InstSE<(outs RO:$rt), (ins mem_mm_12:$addr),
275         !strconcat(opstr, "\t$rt, $addr"), [], II_LL, FrmI> {
276  let DecoderMethod = "DecodeMemMMImm12";
277  let mayLoad = 1;
278}
279
280class LLEBaseMM<string opstr, RegisterOperand RO> :
281  InstSE<(outs RO:$rt), (ins mem_simm9:$addr),
282         !strconcat(opstr, "\t$rt, $addr"), [], II_LLE, FrmI> {
283  let DecoderMethod = "DecodeMemMMImm9";
284  string BaseOpcode = opstr;
285  let mayLoad = 1;
286}
287
288class SCBaseMM<string opstr, RegisterOperand RO> :
289  InstSE<(outs RO:$dst), (ins RO:$rt, mem_mm_12:$addr),
290         !strconcat(opstr, "\t$rt, $addr"), [], II_SC, FrmI> {
291  let DecoderMethod = "DecodeMemMMImm12";
292  let mayStore = 1;
293  let Constraints = "$rt = $dst";
294}
295
296class SCEBaseMM<string opstr, RegisterOperand RO> :
297  InstSE<(outs RO:$dst), (ins RO:$rt, mem_simm9:$addr),
298         !strconcat(opstr, "\t$rt, $addr"), [], II_SCE, FrmI> {
299  let DecoderMethod = "DecodeMemMMImm9";
300  string BaseOpcode = opstr;
301  let mayStore = 1;
302  let Constraints = "$rt = $dst";
303}
304
305class LoadMM<string opstr, DAGOperand RO, SDPatternOperator OpNode = null_frag,
306             InstrItinClass Itin = NoItinerary, DAGOperand MO = mem_mm_12> :
307  InstSE<(outs RO:$rt), (ins MO:$addr),
308         !strconcat(opstr, "\t$rt, $addr"),
309         [(set RO:$rt, (OpNode addrimm12:$addr))], Itin, FrmI, opstr> {
310  let DecoderMethod = "DecodeMemMMImm12";
311  let canFoldAsLoad = 1;
312  let mayLoad = 1;
313}
314
315class ArithRMM16<string opstr, RegisterOperand RO, bit isComm = 0,
316                 InstrItinClass Itin = NoItinerary,
317                 SDPatternOperator OpNode = null_frag> :
318  MicroMipsInst16<(outs RO:$rd), (ins RO:$rs, RO:$rt),
319                  !strconcat(opstr, "\t$rd, $rs, $rt"),
320                  [(set RO:$rd, (OpNode RO:$rs, RO:$rt))], Itin, FrmR> {
321  let isCommutable = isComm;
322}
323
324class AndImmMM16<string opstr, RegisterOperand RO,
325                 InstrItinClass Itin = NoItinerary> :
326  MicroMipsInst16<(outs RO:$rd), (ins RO:$rs, uimm4_andi:$imm),
327                  !strconcat(opstr, "\t$rd, $rs, $imm"), [], Itin, FrmI>;
328
329class LogicRMM16<string opstr, RegisterOperand RO,
330                 InstrItinClass Itin = NoItinerary,
331                 SDPatternOperator OpNode = null_frag> :
332  MicroMipsInst16<(outs RO:$dst), (ins RO:$rs, RO:$rt),
333         !strconcat(opstr, "\t$rt, $rs"),
334         [(set RO:$dst, (OpNode RO:$rs, RO:$rt))], Itin, FrmR> {
335  let isCommutable = 1;
336  let Constraints = "$rt = $dst";
337}
338
339class NotMM16<string opstr, RegisterOperand RO> :
340  MicroMipsInst16<(outs RO:$rt), (ins RO:$rs),
341         !strconcat(opstr, "\t$rt, $rs"),
342         [(set RO:$rt, (not RO:$rs))], II_NOT, FrmR>;
343
344class ShiftIMM16<string opstr, Operand ImmOpnd, RegisterOperand RO,
345                 InstrItinClass Itin = NoItinerary> :
346  MicroMipsInst16<(outs RO:$rd), (ins RO:$rt, ImmOpnd:$shamt),
347                  !strconcat(opstr, "\t$rd, $rt, $shamt"), [], Itin, FrmR>;
348
349class LoadMM16<string opstr, DAGOperand RO, SDPatternOperator OpNode,
350               InstrItinClass Itin, Operand MemOpnd> :
351  MicroMipsInst16<(outs RO:$rt), (ins MemOpnd:$addr),
352                  !strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI> {
353  let DecoderMethod = "DecodeMemMMImm4";
354  let canFoldAsLoad = 1;
355  let mayLoad = 1;
356}
357
358class StoreMM16<string opstr, DAGOperand RTOpnd, DAGOperand RO,
359                SDPatternOperator OpNode, InstrItinClass Itin,
360                Operand MemOpnd> :
361  MicroMipsInst16<(outs), (ins RTOpnd:$rt, MemOpnd:$addr),
362                  !strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI> {
363  let DecoderMethod = "DecodeMemMMImm4";
364  let mayStore = 1;
365}
366
367class LoadSPMM16<string opstr, DAGOperand RO, InstrItinClass Itin,
368                 Operand MemOpnd> :
369  MicroMipsInst16<(outs RO:$rt), (ins MemOpnd:$offset),
370                  !strconcat(opstr, "\t$rt, $offset"), [], Itin, FrmI> {
371  let DecoderMethod = "DecodeMemMMSPImm5Lsl2";
372  let canFoldAsLoad = 1;
373  let mayLoad = 1;
374}
375
376class StoreSPMM16<string opstr, DAGOperand RO, InstrItinClass Itin,
377                  Operand MemOpnd> :
378  MicroMipsInst16<(outs), (ins RO:$rt, MemOpnd:$offset),
379                  !strconcat(opstr, "\t$rt, $offset"), [], Itin, FrmI> {
380  let DecoderMethod = "DecodeMemMMSPImm5Lsl2";
381  let mayStore = 1;
382}
383
384class LoadGPMM16<string opstr, DAGOperand RO, InstrItinClass Itin,
385                 Operand MemOpnd> :
386  MicroMipsInst16<(outs RO:$rt), (ins MemOpnd:$offset),
387                  !strconcat(opstr, "\t$rt, $offset"), [], Itin, FrmI> {
388  let DecoderMethod = "DecodeMemMMGPImm7Lsl2";
389  let canFoldAsLoad = 1;
390  let mayLoad = 1;
391}
392
393class AddImmUR2<string opstr, RegisterOperand RO> :
394  MicroMipsInst16<(outs RO:$rd), (ins RO:$rs, simm3_lsa2:$imm),
395                  !strconcat(opstr, "\t$rd, $rs, $imm"),
396                  [], II_ADDIU, FrmR> {
397  let isCommutable = 1;
398}
399
400class AddImmUS5<string opstr, RegisterOperand RO> :
401  MicroMipsInst16<(outs RO:$dst), (ins RO:$rd, simm4:$imm),
402                  !strconcat(opstr, "\t$rd, $imm"), [], II_ADDIU, FrmR> {
403  let Constraints = "$rd = $dst";
404}
405
406class AddImmUR1SP<string opstr, RegisterOperand RO> :
407  MicroMipsInst16<(outs RO:$rd), (ins uimm6_lsl2:$imm),
408                  !strconcat(opstr, "\t$rd, $imm"), [], II_ADDIU, FrmR>;
409
410class AddImmUSP<string opstr> :
411  MicroMipsInst16<(outs), (ins simm9_addiusp:$imm),
412                  !strconcat(opstr, "\t$imm"), [], II_ADDIU, FrmI>;
413
414class MoveFromHILOMM<string opstr, RegisterOperand RO, Register UseReg> :
415      MicroMipsInst16<(outs RO:$rd), (ins), !strconcat(opstr, "\t$rd"),
416  [], II_MFHI_MFLO, FrmR> {
417  let Uses = [UseReg];
418  let hasSideEffects = 0;
419  let isMoveReg = 1;
420}
421
422class MoveMM16<string opstr, RegisterOperand RO>
423    :  MicroMipsInst16<(outs RO:$rd), (ins RO:$rs),
424                       !strconcat(opstr, "\t$rd, $rs"), [], II_MOVE, FrmR> {
425  let isReMaterializable = 1;
426  let isMoveReg = 1;
427}
428
429class LoadImmMM16<string opstr, Operand Od, RegisterOperand RO> :
430  MicroMipsInst16<(outs RO:$rd), (ins Od:$imm),
431                  !strconcat(opstr, "\t$rd, $imm"), [], II_LI, FrmI> {
432  let isReMaterializable = 1;
433}
434
435// 16-bit Jump and Link (Call)
436class JumpLinkRegMM16<string opstr, RegisterOperand RO> :
437  MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"),
438           [(MipsJmpLink RO:$rs)], II_JALR, FrmR> {
439  let isCall = 1;
440  let hasDelaySlot = 1;
441  let Defs = [RA];
442}
443
444// 16-bit Jump Reg
445class JumpRegMM16<string opstr, RegisterOperand RO> :
446  MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"),
447           [], II_JR, FrmR> {
448  let hasDelaySlot = 1;
449  let isBranch = 1;
450  let isIndirectBranch = 1;
451}
452
453// Base class for JRADDIUSP instruction.
454class JumpRAddiuStackMM16 :
455  MicroMipsInst16<(outs), (ins uimm5_lsl2:$imm), "jraddiusp\t$imm",
456                  [], II_JRADDIUSP, FrmR> {
457  let isTerminator = 1;
458  let isBarrier = 1;
459  let isBranch = 1;
460  let isIndirectBranch = 1;
461}
462
463// 16-bit Jump and Link (Call) - Short Delay Slot
464class JumpLinkRegSMM16<string opstr, RegisterOperand RO> :
465  MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"),
466           [], II_JALRS, FrmR> {
467  let isCall = 1;
468  let hasDelaySlot = 1;
469  let Defs = [RA];
470}
471
472// 16-bit Jump Register Compact - No delay slot
473class JumpRegCMM16<string opstr, RegisterOperand RO> :
474  MicroMipsInst16<(outs), (ins RO:$rs), !strconcat(opstr, "\t$rs"),
475                  [], II_JRC, FrmR> {
476  let isTerminator = 1;
477  let isBarrier = 1;
478  let isBranch = 1;
479  let isIndirectBranch = 1;
480}
481
482// Break16 and Sdbbp16
483class BrkSdbbp16MM<string opstr, InstrItinClass Itin> :
484  MicroMipsInst16<(outs), (ins uimm4:$code_),
485                  !strconcat(opstr, "\t$code_"),
486                  [], Itin, FrmOther>;
487
488class CBranchZeroMM<string opstr, DAGOperand opnd, RegisterOperand RO> :
489  MicroMipsInst16<(outs), (ins RO:$rs, opnd:$offset),
490                  !strconcat(opstr, "\t$rs, $offset"), [], II_BCCZ, FrmI> {
491  let isBranch = 1;
492  let isTerminator = 1;
493  let hasDelaySlot = 1;
494  let Defs = [AT];
495}
496
497// MicroMIPS Jump and Link (Call) - Short Delay Slot
498let isCall = 1, hasDelaySlot = 1, Defs = [RA] in {
499  class JumpLinkMM<string opstr, DAGOperand opnd> :
500    InstSE<(outs), (ins opnd:$target), !strconcat(opstr, "\t$target"),
501           [], II_JALS, FrmJ, opstr> {
502    let DecoderMethod = "DecodeJumpTargetMM";
503  }
504
505  class JumpLinkRegMM<string opstr, RegisterOperand RO>:
506    InstSE<(outs RO:$rd), (ins RO:$rs), !strconcat(opstr, "\t$rd, $rs"),
507            [], II_JALRS, FrmR>;
508
509  class BranchCompareToZeroLinkMM<string opstr, DAGOperand opnd,
510                                  RegisterOperand RO> :
511    InstSE<(outs), (ins RO:$rs, opnd:$offset),
512           !strconcat(opstr, "\t$rs, $offset"), [], II_BCCZALS, FrmI, opstr>;
513}
514
515class LoadWordIndexedScaledMM<string opstr, RegisterOperand RO,
516                              SDPatternOperator OpNode = null_frag> :
517  InstSE<(outs RO:$rd), (ins PtrRC:$base, PtrRC:$index),
518         !strconcat(opstr, "\t$rd, ${index}(${base})"), [], II_LWXS, FrmFI>;
519
520class PrefetchIndexed<string opstr> :
521  InstSE<(outs), (ins PtrRC:$base, PtrRC:$index, uimm5:$hint),
522         !strconcat(opstr, "\t$hint, ${index}(${base})"), [], II_PREF, FrmOther>;
523
524class AddImmUPC<string opstr, RegisterOperand RO> :
525  InstSE<(outs RO:$rs), (ins simm23_lsl2:$imm),
526         !strconcat(opstr, "\t$rs, $imm"), [], II_ADDIU, FrmR>;
527
528/// A list of registers used by load/store multiple instructions.
529def RegListAsmOperand : AsmOperandClass {
530  let Name = "RegList";
531  let ParserMethod = "parseRegisterList";
532}
533
534def reglist : Operand<i32> {
535  let EncoderMethod = "getRegisterListOpValue";
536  let ParserMatchClass = RegListAsmOperand;
537  let PrintMethod = "printRegisterList";
538  let DecoderMethod = "DecodeRegListOperand";
539}
540
541def RegList16AsmOperand : AsmOperandClass {
542  let Name = "RegList16";
543  let ParserMethod = "parseRegisterList";
544  let PredicateMethod = "isRegList16";
545  let RenderMethod = "addRegListOperands";
546}
547
548def reglist16 : Operand<i32> {
549  let EncoderMethod = "getRegisterListOpValue16";
550  let DecoderMethod = "DecodeRegListOperand16";
551  let PrintMethod = "printRegisterList";
552  let ParserMatchClass = RegList16AsmOperand;
553}
554
555class StoreMultMM<string opstr,
556            InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
557  InstSE<(outs), (ins reglist:$rt, mem_mm_12:$addr),
558         !strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI, opstr> {
559  let DecoderMethod = "DecodeMemMMImm12";
560  let mayStore = 1;
561}
562
563class LoadMultMM<string opstr,
564            InstrItinClass Itin = NoItinerary, ComplexPattern Addr = addr> :
565  InstSE<(outs reglist:$rt), (ins mem_mm_12:$addr),
566          !strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI, opstr> {
567  let DecoderMethod = "DecodeMemMMImm12";
568  let mayLoad = 1;
569}
570
571class StoreMultMM16<string opstr,
572                    InstrItinClass Itin = NoItinerary,
573                    ComplexPattern Addr = addr> :
574  MicroMipsInst16<(outs), (ins reglist16:$rt, mem_mm_4sp:$addr),
575                  !strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI> {
576  let DecoderMethod = "DecodeMemMMReglistImm4Lsl2";
577  let mayStore = 1;
578}
579
580class LoadMultMM16<string opstr,
581                   InstrItinClass Itin = NoItinerary,
582                   ComplexPattern Addr = addr> :
583  MicroMipsInst16<(outs reglist16:$rt), (ins mem_mm_4sp:$addr),
584                  !strconcat(opstr, "\t$rt, $addr"), [], Itin, FrmI> {
585  let DecoderMethod = "DecodeMemMMReglistImm4Lsl2";
586  let mayLoad = 1;
587}
588
589class UncondBranchMM16<string opstr> :
590  MicroMipsInst16<(outs), (ins brtarget10_mm:$offset),
591                  !strconcat(opstr, "\t$offset"),
592                  [], II_B, FrmI> {
593  let isBranch = 1;
594  let isTerminator = 1;
595  let isBarrier = 1;
596  let hasDelaySlot = 1;
597  let Predicates = [RelocPIC, InMicroMips];
598  let Defs = [AT];
599}
600
601class HypcallMM<string opstr> :
602  InstSE<(outs), (ins uimm10:$code_),
603          !strconcat(opstr, "\t$code_"), [], II_HYPCALL, FrmOther> {
604  let BaseOpcode = opstr;
605}
606
607class TLBINVMM<string opstr, InstrItinClass Itin> :
608  InstSE<(outs), (ins), opstr, [], Itin, FrmOther> {
609  let BaseOpcode = opstr;
610}
611
612class MfCop0MM<string opstr, RegisterOperand DstRC,
613               RegisterOperand SrcRC, InstrItinClass Itin> :
614  InstSE<(outs DstRC:$rt), (ins SrcRC:$rs, uimm3:$sel),
615          !strconcat(opstr, "\t$rt, $rs, $sel"), [], Itin, FrmR> {
616  let BaseOpcode = opstr;
617}
618
619class MtCop0MM<string opstr, RegisterOperand DstRC,
620               RegisterOperand SrcRC, InstrItinClass Itin> :
621  InstSE<(outs DstRC:$rs), (ins SrcRC:$rt, uimm3:$sel),
622          !strconcat(opstr, "\t$rt, $rs, $sel"), [], Itin, FrmR> {
623  let BaseOpcode = opstr;
624}
625
626let FastISelShouldIgnore = 1 in {
627  def ADDU16_MM : ArithRMM16<"addu16", GPRMM16Opnd, 1, II_ADDU, add>,
628      ARITH_FM_MM16<0>, ISA_MICROMIPS32_NOT_MIPS32R6;
629  def AND16_MM : LogicRMM16<"and16", GPRMM16Opnd, II_AND, and>,
630      LOGIC_FM_MM16<0x2>, ISA_MICROMIPS32_NOT_MIPS32R6;
631}
632
633def ANDI16_MM : AndImmMM16<"andi16", GPRMM16Opnd, II_AND>, ANDI_FM_MM16<0x0b>,
634                ISA_MICROMIPS32_NOT_MIPS32R6;
635def NOT16_MM : NotMM16<"not16", GPRMM16Opnd>, LOGIC_FM_MM16<0x0>,
636               ISA_MICROMIPS32_NOT_MIPS32R6;
637let FastISelShouldIgnore = 1 in
638  def OR16_MM : LogicRMM16<"or16", GPRMM16Opnd, II_OR, or>, LOGIC_FM_MM16<0x3>,
639                ISA_MICROMIPS32_NOT_MIPS32R6;
640def SLL16_MM : ShiftIMM16<"sll16", uimm3_shift, GPRMM16Opnd, II_SLL>,
641    SHIFT_FM_MM16<0>, ISA_MICROMIPS32_NOT_MIPS32R6;
642def SRL16_MM : ShiftIMM16<"srl16", uimm3_shift, GPRMM16Opnd, II_SRL>,
643    SHIFT_FM_MM16<1>, ISA_MICROMIPS32_NOT_MIPS32R6;
644
645let FastISelShouldIgnore = 1 in {
646  def SUBU16_MM : ArithRMM16<"subu16", GPRMM16Opnd, 0, II_SUBU, sub>,
647                  ARITH_FM_MM16<1>, ISA_MICROMIPS32_NOT_MIPS32R6;
648  def XOR16_MM : LogicRMM16<"xor16", GPRMM16Opnd, II_XOR, xor>,
649                 LOGIC_FM_MM16<0x1>, ISA_MICROMIPS32_NOT_MIPS32R6;
650}
651def LBU16_MM : LoadMM16<"lbu16", GPRMM16Opnd, zextloadi8, II_LBU,
652                        mem_mm_4>, LOAD_STORE_FM_MM16<0x02>, ISA_MICROMIPS;
653def LHU16_MM : LoadMM16<"lhu16", GPRMM16Opnd, zextloadi16, II_LHU,
654                        mem_mm_4_lsl1>, LOAD_STORE_FM_MM16<0x0a>, ISA_MICROMIPS;
655def LW16_MM : LoadMM16<"lw16", GPRMM16Opnd, load, II_LW, mem_mm_4_lsl2>,
656                      LOAD_STORE_FM_MM16<0x1a>, ISA_MICROMIPS;
657def SB16_MM : StoreMM16<"sb16", GPRMM16OpndZero, GPRMM16Opnd, truncstorei8,
658                        II_SB, mem_mm_4>, LOAD_STORE_FM_MM16<0x22>,
659                        ISA_MICROMIPS32_NOT_MIPS32R6;
660def SH16_MM : StoreMM16<"sh16", GPRMM16OpndZero, GPRMM16Opnd, truncstorei16,
661                        II_SH, mem_mm_4_lsl1>,
662                        LOAD_STORE_FM_MM16<0x2a>, ISA_MICROMIPS32_NOT_MIPS32R6;
663def SW16_MM : StoreMM16<"sw16", GPRMM16OpndZero, GPRMM16Opnd, store, II_SW,
664                        mem_mm_4_lsl2>, LOAD_STORE_FM_MM16<0x3a>,
665                        ISA_MICROMIPS32_NOT_MIPS32R6;
666def LWGP_MM : LoadGPMM16<"lw", GPRMM16Opnd, II_LW, mem_mm_gp_simm7_lsl2>,
667                         LOAD_GP_FM_MM16<0x19>, ISA_MICROMIPS;
668def LWSP_MM : LoadSPMM16<"lw", GPR32Opnd, II_LW, mem_mm_sp_imm5_lsl2>,
669              LOAD_STORE_SP_FM_MM16<0x12>, ISA_MICROMIPS;
670def SWSP_MM : StoreSPMM16<"sw", GPR32Opnd, II_SW, mem_mm_sp_imm5_lsl2>,
671              LOAD_STORE_SP_FM_MM16<0x32>, ISA_MICROMIPS32_NOT_MIPS32R6;
672def ADDIUR1SP_MM : AddImmUR1SP<"addiur1sp", GPRMM16Opnd>, ADDIUR1SP_FM_MM16,
673                   ISA_MICROMIPS;
674def ADDIUR2_MM : AddImmUR2<"addiur2", GPRMM16Opnd>, ADDIUR2_FM_MM16,
675                 ISA_MICROMIPS;
676def ADDIUS5_MM : AddImmUS5<"addius5", GPR32Opnd>, ADDIUS5_FM_MM16,
677                 ISA_MICROMIPS;
678def ADDIUSP_MM : AddImmUSP<"addiusp">, ADDIUSP_FM_MM16, ISA_MICROMIPS;
679def MFHI16_MM : MoveFromHILOMM<"mfhi16", GPR32Opnd, AC0>,
680                MFHILO_FM_MM16<0x10>, ISA_MICROMIPS32_NOT_MIPS32R6;
681def MFLO16_MM : MoveFromHILOMM<"mflo16", GPR32Opnd, AC0>,
682                MFHILO_FM_MM16<0x12>, ISA_MICROMIPS32_NOT_MIPS32R6;
683def MOVE16_MM : MoveMM16<"move", GPR32Opnd>, MOVE_FM_MM16<0x03>,
684                ISA_MICROMIPS32_NOT_MIPS32R6;
685def MOVEP_MM : MovePMM16<"movep", GPRMM16OpndMoveP>, MOVEP_FM_MM16,
686               ISA_MICROMIPS32_NOT_MIPS32R6;
687def LI16_MM : LoadImmMM16<"li16", li16_imm, GPRMM16Opnd>, LI_FM_MM16,
688              IsAsCheapAsAMove, ISA_MICROMIPS32_NOT_MIPS32R6;
689def JALR16_MM : JumpLinkRegMM16<"jalr", GPR32Opnd>, JALR_FM_MM16<0x0e>,
690                ISA_MICROMIPS32_NOT_MIPS32R6;
691def JALRS16_MM : JumpLinkRegSMM16<"jalrs16", GPR32Opnd>, JALR_FM_MM16<0x0f>,
692                 ISA_MICROMIPS32_NOT_MIPS32R6;
693def JRC16_MM : JumpRegCMM16<"jrc", GPR32Opnd>, JALR_FM_MM16<0x0d>,
694               ISA_MICROMIPS32_NOT_MIPS32R6;
695def JRADDIUSP : JumpRAddiuStackMM16, JRADDIUSP_FM_MM16<0x18>,
696                ISA_MICROMIPS32_NOT_MIPS32R6;
697def JR16_MM : JumpRegMM16<"jr16", GPR32Opnd>, JALR_FM_MM16<0x0c>,
698              ISA_MICROMIPS32_NOT_MIPS32R6;
699def BEQZ16_MM : CBranchZeroMM<"beqz16", brtarget7_mm, GPRMM16Opnd>,
700                BEQNEZ_FM_MM16<0x23>, ISA_MICROMIPS32_NOT_MIPS32R6;
701def BNEZ16_MM : CBranchZeroMM<"bnez16", brtarget7_mm, GPRMM16Opnd>,
702                BEQNEZ_FM_MM16<0x2b>, ISA_MICROMIPS32_NOT_MIPS32R6;
703def B16_MM : UncondBranchMM16<"b16">, B16_FM, ISA_MICROMIPS32_NOT_MIPS32R6;
704def BREAK16_MM : BrkSdbbp16MM<"break16", II_BREAK>, BRKSDBBP16_FM_MM<0x28>,
705                 ISA_MICROMIPS32_NOT_MIPS32R6;
706def SDBBP16_MM : BrkSdbbp16MM<"sdbbp16", II_SDBBP>, BRKSDBBP16_FM_MM<0x2C>,
707                 ISA_MICROMIPS32_NOT_MIPS32R6;
708
709let DecoderNamespace = "MicroMips" in {
710  /// Load and Store Instructions - multiple
711  def SWM16_MM : StoreMultMM16<"swm16", II_SWM>, LWM_FM_MM16<0x5>,
712                 ISA_MICROMIPS32_NOT_MIPS32R6;
713  def LWM16_MM : LoadMultMM16<"lwm16", II_LWM>, LWM_FM_MM16<0x4>,
714                 ISA_MICROMIPS32_NOT_MIPS32R6;
715  def CFC2_MM : InstSE<(outs GPR32Opnd:$rt), (ins COP2Opnd:$impl),
716                       "cfc2\t$rt, $impl", [], II_CFC2, FrmFR, "cfc2">,
717                POOL32A_CFTC2_FM_MM<0b1100110100>, ISA_MICROMIPS;
718  def CTC2_MM : InstSE<(outs COP2Opnd:$impl), (ins GPR32Opnd:$rt),
719                       "ctc2\t$rt, $impl", [], II_CTC2, FrmFR, "ctc2">,
720                POOL32A_CFTC2_FM_MM<0b1101110100>, ISA_MICROMIPS;
721}
722
723class WaitMM<string opstr> :
724  InstSE<(outs), (ins uimm10:$code_), !strconcat(opstr, "\t$code_"), [],
725         II_WAIT, FrmOther, opstr>;
726
727let DecoderNamespace = "MicroMips" in {
728  /// Compact Branch Instructions
729  def BEQZC_MM : CompactBranchMM<"beqzc", brtarget_mm, seteq, GPR32Opnd>,
730                 COMPACT_BRANCH_FM_MM<0x7>, ISA_MICROMIPS32_NOT_MIPS32R6;
731  def BNEZC_MM : CompactBranchMM<"bnezc", brtarget_mm, setne, GPR32Opnd>,
732                 COMPACT_BRANCH_FM_MM<0x5>, ISA_MICROMIPS32_NOT_MIPS32R6;
733
734  /// Arithmetic Instructions (ALU Immediate)
735  def ADDiu_MM : MMRel, ArithLogicI<"addiu", simm16, GPR32Opnd, II_ADDIU>,
736                 ADDI_FM_MM<0xc>, ISA_MICROMIPS32_NOT_MIPS32R6;
737  def ADDi_MM  : MMRel, ArithLogicI<"addi", simm16, GPR32Opnd, II_ADDI>,
738                 ADDI_FM_MM<0x4>, ISA_MICROMIPS32_NOT_MIPS32R6;
739  def SLTi_MM  : MMRel, SetCC_I<"slti", setlt, simm16, immSExt16, GPR32Opnd>,
740                 SLTI_FM_MM<0x24>, ISA_MICROMIPS;
741  def SLTiu_MM : MMRel, SetCC_I<"sltiu", setult, simm16, immSExt16, GPR32Opnd>,
742                 SLTI_FM_MM<0x2c>, ISA_MICROMIPS;
743  def ANDi_MM  : MMRel, ArithLogicI<"andi", uimm16, GPR32Opnd, II_ANDI>,
744                 ADDI_FM_MM<0x34>, ISA_MICROMIPS32_NOT_MIPS32R6;
745  def ORi_MM   : MMRel, ArithLogicI<"ori", uimm16, GPR32Opnd, II_ORI, immZExt16,
746                                    or>, ADDI_FM_MM<0x14>,
747                 ISA_MICROMIPS32_NOT_MIPS32R6;
748  def XORi_MM  : MMRel, ArithLogicI<"xori", uimm16, GPR32Opnd, II_XORI,
749                                    immZExt16, xor>, ADDI_FM_MM<0x1c>,
750                 ISA_MICROMIPS32_NOT_MIPS32R6;
751  def LUi_MM   : MMRel, LoadUpper<"lui", GPR32Opnd, uimm16_relaxed>, LUI_FM_MM,
752                 ISA_MICROMIPS32_NOT_MIPS32R6;
753
754  def LEA_ADDiu_MM : MMRel, EffectiveAddress<"addiu", GPR32Opnd>,
755                     LW_FM_MM<0xc>, ISA_MICROMIPS;
756
757  /// Arithmetic Instructions (3-Operand, R-Type)
758  def ADDu_MM  : MMRel, ArithLogicR<"addu", GPR32Opnd, 1, II_ADDU, add>,
759                 ADD_FM_MM<0, 0x150>, ISA_MICROMIPS32_NOT_MIPS32R6;
760  def SUBu_MM  : MMRel, ArithLogicR<"subu", GPR32Opnd, 0, II_SUBU, sub>,
761                 ADD_FM_MM<0, 0x1d0>, ISA_MICROMIPS32_NOT_MIPS32R6;
762  let Defs = [HI0, LO0] in
763    def MUL_MM   : MMRel, ArithLogicR<"mul", GPR32Opnd, 1, II_MUL, mul>,
764                   ADD_FM_MM<0, 0x210>, ISA_MICROMIPS32_NOT_MIPS32R6;
765  def ADD_MM   : MMRel, ArithLogicR<"add", GPR32Opnd, 1, II_ADD>,
766                 ADD_FM_MM<0, 0x110>, ISA_MICROMIPS32_NOT_MIPS32R6;
767  def SUB_MM   : MMRel, ArithLogicR<"sub", GPR32Opnd, 0, II_SUB>,
768                 ADD_FM_MM<0, 0x190>, ISA_MICROMIPS32_NOT_MIPS32R6;
769  def SLT_MM   : MMRel, SetCC_R<"slt", setlt, GPR32Opnd>, ADD_FM_MM<0, 0x350>,
770                 ISA_MICROMIPS;
771  def SLTu_MM  : MMRel, SetCC_R<"sltu", setult, GPR32Opnd>,
772                 ADD_FM_MM<0, 0x390>, ISA_MICROMIPS;
773  def AND_MM   : MMRel, ArithLogicR<"and", GPR32Opnd, 1, II_AND, and>,
774                 ADD_FM_MM<0, 0x250>, ISA_MICROMIPS32_NOT_MIPS32R6;
775  def OR_MM    : MMRel, ArithLogicR<"or", GPR32Opnd, 1, II_OR, or>,
776                 ADD_FM_MM<0, 0x290>, ISA_MICROMIPS32_NOT_MIPS32R6;
777  def XOR_MM   : MMRel, ArithLogicR<"xor", GPR32Opnd, 1, II_XOR, xor>,
778                 ADD_FM_MM<0, 0x310>, ISA_MICROMIPS32_NOT_MIPS32R6;
779  def NOR_MM   : MMRel, LogicNOR<"nor", GPR32Opnd>, ADD_FM_MM<0, 0x2d0>,
780                 ISA_MICROMIPS32_NOT_MIPS32R6;
781  def MULT_MM  : MMRel, Mult<"mult", II_MULT, GPR32Opnd, [HI0, LO0]>,
782                 MULT_FM_MM<0x22c>, ISA_MICROMIPS32_NOT_MIPS32R6;
783  def MULTu_MM : MMRel, Mult<"multu", II_MULTU, GPR32Opnd, [HI0, LO0]>,
784                 MULT_FM_MM<0x26c>, ISA_MICROMIPS32_NOT_MIPS32R6;
785  def SDIV_MM  : MMRel, Div<"div", II_DIV, GPR32Opnd, [HI0, LO0]>,
786                 MULT_FM_MM<0x2ac>, ISA_MICROMIPS32_NOT_MIPS32R6;
787  def UDIV_MM  : MMRel, Div<"divu", II_DIVU, GPR32Opnd, [HI0, LO0]>,
788                 MULT_FM_MM<0x2ec>, ISA_MICROMIPS32_NOT_MIPS32R6;
789
790  /// Arithmetic Instructions with PC and Immediate
791  def ADDIUPC_MM : AddImmUPC<"addiupc", GPRMM16Opnd>, ADDIUPC_FM_MM,
792                   ISA_MICROMIPS32_NOT_MIPS32R6;
793
794  /// Shift Instructions
795  def SLL_MM   : MMRel, shift_rotate_imm<"sll", uimm5, GPR32Opnd, II_SLL>,
796                 SRA_FM_MM<0, 0>, ISA_MICROMIPS;
797  def SRL_MM   : MMRel, shift_rotate_imm<"srl", uimm5, GPR32Opnd, II_SRL>,
798                 SRA_FM_MM<0x40, 0>, ISA_MICROMIPS;
799  def SRA_MM   : MMRel, shift_rotate_imm<"sra", uimm5, GPR32Opnd, II_SRA>,
800                 SRA_FM_MM<0x80, 0>, ISA_MICROMIPS;
801  def SLLV_MM  : MMRel, shift_rotate_reg<"sllv", GPR32Opnd, II_SLLV>,
802                 SRLV_FM_MM<0x10, 0>, ISA_MICROMIPS;
803  def SRLV_MM  : MMRel, shift_rotate_reg<"srlv", GPR32Opnd, II_SRLV>,
804                 SRLV_FM_MM<0x50, 0>, ISA_MICROMIPS;
805  def SRAV_MM  : MMRel, shift_rotate_reg<"srav", GPR32Opnd, II_SRAV>,
806                 SRLV_FM_MM<0x90, 0>, ISA_MICROMIPS;
807  def ROTR_MM  : MMRel, shift_rotate_imm<"rotr", uimm5, GPR32Opnd, II_ROTR>,
808                 SRA_FM_MM<0xc0, 0>, ISA_MICROMIPS {
809    list<dag> Pattern = [(set GPR32Opnd:$rd,
810                          (rotr GPR32Opnd:$rt, immZExt5:$shamt))];
811  }
812  def ROTRV_MM : MMRel, shift_rotate_reg<"rotrv", GPR32Opnd, II_ROTRV>,
813                 SRLV_FM_MM<0xd0, 0>, ISA_MICROMIPS {
814    list<dag> Pattern = [(set GPR32Opnd:$rd,
815                          (rotr GPR32Opnd:$rt, GPR32Opnd:$rs))];
816  }
817
818  /// Load and Store Instructions - aligned
819  let DecoderMethod = "DecodeMemMMImm16" in {
820    def LB_MM  : LoadMemory<"lb", GPR32Opnd, mem_mm_16, sextloadi8, II_LB>,
821                 MMRel, LW_FM_MM<0x7>, ISA_MICROMIPS;
822    def LBu_MM : LoadMemory<"lbu", GPR32Opnd, mem_mm_16, zextloadi8, II_LBU>,
823                 MMRel, LW_FM_MM<0x5>, ISA_MICROMIPS;
824    def LH_MM  : LoadMemory<"lh", GPR32Opnd, mem_simmptr, sextloadi16, II_LH,
825                            addrDefault>, MMRel, LW_FM_MM<0xf>, ISA_MICROMIPS;
826    def LHu_MM : LoadMemory<"lhu", GPR32Opnd, mem_simmptr, zextloadi16, II_LHU>,
827                 MMRel, LW_FM_MM<0xd>, ISA_MICROMIPS;
828    def LW_MM  : Load<"lw", GPR32Opnd, null_frag, II_LW>, MMRel, LW_FM_MM<0x3f>,
829                 ISA_MICROMIPS;
830    def SB_MM  : Store<"sb", GPR32Opnd, truncstorei8, II_SB>, MMRel,
831                 LW_FM_MM<0x6>, ISA_MICROMIPS;
832    def SH_MM  : Store<"sh", GPR32Opnd, truncstorei16, II_SH>, MMRel,
833                 LW_FM_MM<0xe>, ISA_MICROMIPS;
834    def SW_MM  : Store<"sw", GPR32Opnd, null_frag, II_SW>, MMRel,
835                 LW_FM_MM<0x3e>, ISA_MICROMIPS;
836  }
837}
838let DecoderNamespace = "MicroMips" in {
839  let DecoderMethod = "DecodeMemMMImm9" in {
840    def LBE_MM  : MMRel, Load<"lbe", GPR32Opnd, null_frag, II_LBE>,
841                  POOL32C_LHUE_FM_MM<0x18, 0x6, 0x4>, ISA_MICROMIPS, ASE_EVA;
842    def LBuE_MM : MMRel, Load<"lbue", GPR32Opnd, null_frag, II_LBUE>,
843                  POOL32C_LHUE_FM_MM<0x18, 0x6, 0x0>, ISA_MICROMIPS, ASE_EVA;
844    def LHE_MM  : MMRel, LoadMemory<"lhe", GPR32Opnd, mem_simm9, null_frag,
845                                    II_LHE>,
846                  POOL32C_LHUE_FM_MM<0x18, 0x6, 0x5>, ISA_MICROMIPS, ASE_EVA;
847    def LHuE_MM : MMRel, LoadMemory<"lhue", GPR32Opnd, mem_simm9, null_frag,
848                                    II_LHUE>,
849                  POOL32C_LHUE_FM_MM<0x18, 0x6, 0x1>, ISA_MICROMIPS, ASE_EVA;
850    def LWE_MM  : MMRel, LoadMemory<"lwe", GPR32Opnd, mem_simm9, null_frag,
851                                    II_LWE>,
852                  POOL32C_LHUE_FM_MM<0x18, 0x6, 0x7>, ISA_MICROMIPS, ASE_EVA;
853    def SBE_MM  : MMRel, StoreMemory<"sbe", GPR32Opnd, mem_simm9, null_frag,
854                                     II_SBE>,
855                  POOL32C_LHUE_FM_MM<0x18, 0xa, 0x4>, ISA_MICROMIPS, ASE_EVA;
856    def SHE_MM  : MMRel, StoreMemory<"she", GPR32Opnd, mem_simm9, null_frag,
857                                     II_SHE>,
858                  POOL32C_LHUE_FM_MM<0x18, 0xa, 0x5>, ISA_MICROMIPS, ASE_EVA;
859    def SWE_MM  : MMRel, StoreMemory<"swe", GPR32Opnd, mem_simm9, null_frag,
860                                     II_SWE>,
861                  POOL32C_LHUE_FM_MM<0x18, 0xa, 0x7>, ISA_MICROMIPS, ASE_EVA;
862    def LWLE_MM : MMRel, LoadLeftRightMM<"lwle", MipsLWL, GPR32Opnd, mem_mm_9,
863                                         II_LWLE>,
864                  POOL32C_STEVA_LDEVA_FM_MM<0x6, 0x2>,
865                  ISA_MICROMIPS32_NOT_MIPS32R6, ASE_EVA;
866    def LWRE_MM : MMRel, LoadLeftRightMM<"lwre", MipsLWR, GPR32Opnd, mem_mm_9,
867                                         II_LWRE>,
868                  POOL32C_STEVA_LDEVA_FM_MM<0x6, 0x3>,
869                  ISA_MICROMIPS32_NOT_MIPS32R6, ASE_EVA;
870    def SWLE_MM : MMRel, StoreLeftRightMM<"swle", MipsSWL, GPR32Opnd, mem_mm_9,
871                                          II_SWLE>,
872                  POOL32C_STEVA_LDEVA_FM_MM<0xa, 0x0>,
873                  ISA_MICROMIPS32_NOT_MIPS32R6, ASE_EVA;
874    def SWRE_MM : MMRel, StoreLeftRightMM<"swre", MipsSWR, GPR32Opnd, mem_mm_9,
875                                          II_SWRE>,
876                  POOL32C_STEVA_LDEVA_FM_MM<0xa, 0x1>,
877                  ISA_MICROMIPS32_NOT_MIPS32R6, ASE_EVA;
878  }
879
880  def LWXS_MM : LoadWordIndexedScaledMM<"lwxs", GPR32Opnd>, LWXS_FM_MM<0x118>,
881                ISA_MICROMIPS;
882
883  /// Load and Store Instructions - unaligned
884  def LWL_MM : MMRel, LoadLeftRightMM<"lwl", MipsLWL, GPR32Opnd, mem_mm_12,
885                                      II_LWL>, LWL_FM_MM<0x0>,
886               ISA_MICROMIPS32_NOT_MIPS32R6;
887  def LWR_MM : MMRel, LoadLeftRightMM<"lwr", MipsLWR, GPR32Opnd, mem_mm_12,
888                                      II_LWR>, LWL_FM_MM<0x1>,
889               ISA_MICROMIPS32_NOT_MIPS32R6;
890  def SWL_MM : MMRel, StoreLeftRightMM<"swl", MipsSWL, GPR32Opnd, mem_mm_12,
891                                       II_SWL>, LWL_FM_MM<0x8>,
892               ISA_MICROMIPS32_NOT_MIPS32R6;
893  def SWR_MM : MMRel, StoreLeftRightMM<"swr", MipsSWR, GPR32Opnd, mem_mm_12,
894                                       II_SWR>, LWL_FM_MM<0x9>,
895               ISA_MICROMIPS32_NOT_MIPS32R6;
896}
897let DecoderNamespace = "MicroMips" in {
898  /// Load and Store Instructions - multiple
899  def SWM32_MM  : StoreMultMM<"swm32", II_SWM>, LWM_FM_MM<0xd>, ISA_MICROMIPS;
900  def LWM32_MM  : LoadMultMM<"lwm32", II_LWM>, LWM_FM_MM<0x5>, ISA_MICROMIPS;
901
902  /// Load and Store Pair Instructions
903  def SWP_MM  : StorePairMM<"swp">, LWM_FM_MM<0x9>, ISA_MICROMIPS;
904  def LWP_MM  : LoadPairMM<"lwp">, LWM_FM_MM<0x1>, ISA_MICROMIPS;
905
906  /// Load and Store multiple pseudo Instructions
907  class LoadWordMultMM<string instr_asm > :
908    MipsAsmPseudoInst<(outs reglist:$rt), (ins mem_mm_12:$addr),
909                      !strconcat(instr_asm, "\t$rt, $addr")> ;
910
911  class StoreWordMultMM<string instr_asm > :
912    MipsAsmPseudoInst<(outs), (ins reglist:$rt, mem_mm_12:$addr),
913                      !strconcat(instr_asm, "\t$rt, $addr")> ;
914
915
916  def SWM_MM  : StoreWordMultMM<"swm">, ISA_MICROMIPS;
917  def LWM_MM  : LoadWordMultMM<"lwm">, ISA_MICROMIPS;
918
919  /// Move Conditional
920  def MOVZ_I_MM : MMRel, CMov_I_I_FT<"movz", GPR32Opnd, GPR32Opnd,
921                                     II_MOVZ>, ADD_FM_MM<0, 0x58>,
922                  ISA_MICROMIPS32_NOT_MIPS32R6;
923  def MOVN_I_MM : MMRel, CMov_I_I_FT<"movn", GPR32Opnd, GPR32Opnd,
924                                     II_MOVN>, ADD_FM_MM<0, 0x18>,
925                  ISA_MICROMIPS32_NOT_MIPS32R6;
926  def MOVT_I_MM : MMRel, CMov_F_I_FT<"movt", GPR32Opnd, II_MOVT, MipsCMovFP_T>,
927                  CMov_F_I_FM_MM<0x25>, ISA_MICROMIPS32_NOT_MIPS32R6;
928  def MOVF_I_MM : MMRel, CMov_F_I_FT<"movf", GPR32Opnd, II_MOVF, MipsCMovFP_F>,
929                  CMov_F_I_FM_MM<0x5>, ISA_MICROMIPS32_NOT_MIPS32R6;
930  /// Move to/from HI/LO
931  def MTHI_MM : MMRel, MoveToLOHI<"mthi", GPR32Opnd, [HI0]>,
932                MTLO_FM_MM<0x0b5>, ISA_MICROMIPS32_NOT_MIPS32R6;
933  def MTLO_MM : MMRel, MoveToLOHI<"mtlo", GPR32Opnd, [LO0]>,
934                MTLO_FM_MM<0x0f5>, ISA_MICROMIPS32_NOT_MIPS32R6;
935  def MFHI_MM : MMRel, MoveFromLOHI<"mfhi", GPR32Opnd, AC0>,
936                MFLO_FM_MM<0x035>, ISA_MICROMIPS32_NOT_MIPS32R6;
937  def MFLO_MM : MMRel, MoveFromLOHI<"mflo", GPR32Opnd, AC0>,
938                MFLO_FM_MM<0x075>, ISA_MICROMIPS32_NOT_MIPS32R6;
939
940  /// Multiply Add/Sub Instructions
941  def MADD_MM  : MMRel, MArithR<"madd", II_MADD, 1>, MULT_FM_MM<0x32c>,
942                 ISA_MICROMIPS32_NOT_MIPS32R6;
943  def MADDU_MM : MMRel, MArithR<"maddu", II_MADDU, 1>, MULT_FM_MM<0x36c>,
944                 ISA_MICROMIPS32_NOT_MIPS32R6;
945  def MSUB_MM  : MMRel, MArithR<"msub", II_MSUB>, MULT_FM_MM<0x3ac>,
946                 ISA_MICROMIPS32_NOT_MIPS32R6;
947  def MSUBU_MM : MMRel, MArithR<"msubu", II_MSUBU>, MULT_FM_MM<0x3ec>,
948                 ISA_MICROMIPS32_NOT_MIPS32R6;
949
950  /// Count Leading
951  def CLZ_MM : MMRel, CountLeading0<"clz", GPR32Opnd, II_CLZ>, CLO_FM_MM<0x16c>,
952               ISA_MICROMIPS;
953  def CLO_MM : MMRel, CountLeading1<"clo", GPR32Opnd, II_CLO>, CLO_FM_MM<0x12c>,
954               ISA_MICROMIPS;
955
956  /// Sign Ext In Register Instructions.
957  def SEB_MM : MMRel, SignExtInReg<"seb", i8, GPR32Opnd, II_SEB>,
958               SEB_FM_MM<0x0ac>, ISA_MICROMIPS;
959  def SEH_MM : MMRel, SignExtInReg<"seh", i16, GPR32Opnd, II_SEH>,
960               SEB_FM_MM<0x0ec>, ISA_MICROMIPS;
961
962  /// Word Swap Bytes Within Halfwords
963  def WSBH_MM : MMRel, SubwordSwap<"wsbh", GPR32Opnd, II_WSBH>,
964                SEB_FM_MM<0x1ec>, ISA_MICROMIPS;
965  // TODO: Add '0 < pos+size <= 32' constraint check to ext instruction
966  def EXT_MM : MMRel, ExtBase<"ext", GPR32Opnd, uimm5, uimm5_plus1, immZExt5,
967                              immZExt5Plus1, MipsExt>, EXT_FM_MM<0x2c>,
968               ISA_MICROMIPS32_NOT_MIPS32R6;
969  def INS_MM : MMRel, InsBase<"ins", GPR32Opnd, uimm5, uimm5_inssize_plus1,
970                              immZExt5, immZExt5Plus1>,
971               EXT_FM_MM<0x0c>, ISA_MICROMIPS32_NOT_MIPS32R6;
972
973  /// Jump Instructions
974  let DecoderMethod = "DecodeJumpTargetMM" in
975    def J_MM          : MMRel, JumpFJ<jmptarget_mm, "j", br, bb, "j">,
976                        J_FM_MM<0x35>, AdditionalRequires<[RelocNotPIC]>,
977                        IsBranch, ISA_MICROMIPS32_NOT_MIPS32R6;
978
979  let DecoderMethod = "DecodeJumpTargetMM" in {
980    def JAL_MM      : MMRel, JumpLink<"jal", calltarget_mm>, J_FM_MM<0x3d>,
981                      ISA_MICROMIPS32_NOT_MIPS32R6;
982    def JALX_MM     : MMRel, JumpLink<"jalx", calltarget>, J_FM_MM<0x3c>,
983                      ISA_MICROMIPS32_NOT_MIPS32R6;
984  }
985  def JR_MM : MMRel, IndirectBranch<"jr", GPR32Opnd>, JR_FM_MM<0x3c>,
986              ISA_MICROMIPS32_NOT_MIPS32R6;
987  def JALR_MM : JumpLinkReg<"jalr", GPR32Opnd>, JALR_FM_MM<0x03c>,
988                ISA_MICROMIPS32_NOT_MIPS32R6;
989
990  /// Jump Instructions - Short Delay Slot
991  def JALS_MM   : JumpLinkMM<"jals", calltarget_mm>, J_FM_MM<0x1d>,
992                  ISA_MICROMIPS32_NOT_MIPS32R6;
993  def JALRS_MM  : JumpLinkRegMM<"jalrs", GPR32Opnd>, JALR_FM_MM<0x13c>,
994                  ISA_MICROMIPS32_NOT_MIPS32R6;
995
996  /// Branch Instructions
997  def BEQ_MM  : MMRel, CBranch<"beq", brtarget_mm, seteq, GPR32Opnd>,
998                BEQ_FM_MM<0x25>, ISA_MICROMIPS32_NOT_MIPS32R6;
999  def BNE_MM  : MMRel, CBranch<"bne", brtarget_mm, setne, GPR32Opnd>,
1000                BEQ_FM_MM<0x2d>, ISA_MICROMIPS32_NOT_MIPS32R6;
1001  def BGEZ_MM : MMRel, CBranchZero<"bgez", brtarget_mm, setge, GPR32Opnd>,
1002                BGEZ_FM_MM<0x2>, ISA_MICROMIPS32_NOT_MIPS32R6;
1003  def BGTZ_MM : MMRel, CBranchZero<"bgtz", brtarget_mm, setgt, GPR32Opnd>,
1004                BGEZ_FM_MM<0x6>, ISA_MICROMIPS32_NOT_MIPS32R6;
1005  def BLEZ_MM : MMRel, CBranchZero<"blez", brtarget_mm, setle, GPR32Opnd>,
1006                BGEZ_FM_MM<0x4>, ISA_MICROMIPS32_NOT_MIPS32R6;
1007  def BLTZ_MM : MMRel, CBranchZero<"bltz", brtarget_mm, setlt, GPR32Opnd>,
1008                BGEZ_FM_MM<0x0>, ISA_MICROMIPS32_NOT_MIPS32R6;
1009  def BGEZAL_MM : MMRel, BGEZAL_FT<"bgezal", brtarget_mm, GPR32Opnd>,
1010                  BGEZAL_FM_MM<0x03>, ISA_MICROMIPS32_NOT_MIPS32R6;
1011  def BLTZAL_MM : MMRel, BGEZAL_FT<"bltzal", brtarget_mm, GPR32Opnd>,
1012                  BGEZAL_FM_MM<0x01>, ISA_MICROMIPS32_NOT_MIPS32R6;
1013  def BAL_BR_MM : BAL_BR_Pseudo<BGEZAL_MM, brtarget_mm>,
1014                  ISA_MICROMIPS32_NOT_MIPS32R6;
1015
1016  /// Branch Instructions - Short Delay Slot
1017  def BGEZALS_MM : BranchCompareToZeroLinkMM<"bgezals", brtarget_mm,
1018                                             GPR32Opnd>, BGEZAL_FM_MM<0x13>,
1019                   ISA_MICROMIPS32_NOT_MIPS32R6;
1020  def BLTZALS_MM : BranchCompareToZeroLinkMM<"bltzals", brtarget_mm,
1021                                             GPR32Opnd>, BGEZAL_FM_MM<0x11>,
1022                   ISA_MICROMIPS32_NOT_MIPS32R6;
1023  def B_MM    : UncondBranch<BEQ_MM, brtarget_mm>, IsBranch,
1024                ISA_MICROMIPS32_NOT_MIPS32R6;
1025
1026  /// Control Instructions
1027  def SYNC_MM    : MMRel, SYNC_FT<"sync">, SYNC_FM_MM, ISA_MICROMIPS;
1028  let DecoderMethod = "DecodeSyncI_MM" in
1029    def SYNCI_MM   : MMRel, SYNCI_FT<"synci", mem_mm_16>, SYNCI_FM_MM,
1030                     ISA_MICROMIPS32_NOT_MIPS32R6;
1031  def BREAK_MM   : MMRel, BRK_FT<"break">, BRK_FM_MM, ISA_MICROMIPS;
1032  def SYSCALL_MM : MMRel, SYS_FT<"syscall", uimm10, II_SYSCALL>, SYS_FM_MM,
1033                   ISA_MICROMIPS;
1034  def WAIT_MM    : MMRel, WaitMM<"wait">, WAIT_FM_MM, ISA_MICROMIPS;
1035  def ERET_MM    : MMRel, ER_FT<"eret", II_ERET>, ER_FM_MM<0x3cd>,
1036                   ISA_MICROMIPS;
1037  def DERET_MM   : MMRel, ER_FT<"deret", II_DERET>, ER_FM_MM<0x38d>,
1038                   ISA_MICROMIPS;
1039  def EI_MM      : MMRel, DEI_FT<"ei", GPR32Opnd, II_EI>, EI_FM_MM<0x15d>,
1040                   ISA_MICROMIPS;
1041  def DI_MM      : MMRel, DEI_FT<"di", GPR32Opnd, II_DI>, EI_FM_MM<0x11d>,
1042                   ISA_MICROMIPS;
1043  def TRAP_MM    : TrapBase<BREAK_MM>, ISA_MICROMIPS;
1044
1045  /// Trap Instructions
1046  def TEQ_MM  : MMRel, TEQ_FT<"teq", GPR32Opnd, uimm4, II_TEQ>, TEQ_FM_MM<0x0>,
1047                ISA_MICROMIPS;
1048  def TGE_MM  : MMRel, TEQ_FT<"tge", GPR32Opnd, uimm4, II_TGE>, TEQ_FM_MM<0x08>,
1049                ISA_MICROMIPS;
1050  def TGEU_MM : MMRel, TEQ_FT<"tgeu", GPR32Opnd, uimm4, II_TGEU>,
1051                TEQ_FM_MM<0x10>, ISA_MICROMIPS;
1052  def TLT_MM  : MMRel, TEQ_FT<"tlt", GPR32Opnd, uimm4, II_TLT>, TEQ_FM_MM<0x20>,
1053                ISA_MICROMIPS;
1054  def TLTU_MM : MMRel, TEQ_FT<"tltu", GPR32Opnd, uimm4, II_TLTU>,
1055                TEQ_FM_MM<0x28>, ISA_MICROMIPS;
1056  def TNE_MM  : MMRel, TEQ_FT<"tne", GPR32Opnd, uimm4, II_TNE>, TEQ_FM_MM<0x30>,
1057                ISA_MICROMIPS;
1058
1059  def TEQI_MM  : MMRel, TEQI_FT<"teqi", GPR32Opnd, II_TEQI>, TEQI_FM_MM<0x0e>,
1060                 ISA_MICROMIPS32_NOT_MIPS32R6;
1061  def TGEI_MM  : MMRel, TEQI_FT<"tgei", GPR32Opnd, II_TGEI>, TEQI_FM_MM<0x09>,
1062                 ISA_MICROMIPS32_NOT_MIPS32R6;
1063  def TGEIU_MM : MMRel, TEQI_FT<"tgeiu", GPR32Opnd, II_TGEIU>,
1064                 TEQI_FM_MM<0x0b>, ISA_MICROMIPS32_NOT_MIPS32R6;
1065  def TLTI_MM  : MMRel, TEQI_FT<"tlti", GPR32Opnd, II_TLTI>, TEQI_FM_MM<0x08>,
1066                 ISA_MICROMIPS32_NOT_MIPS32R6;
1067  def TLTIU_MM : MMRel, TEQI_FT<"tltiu", GPR32Opnd, II_TTLTIU>,
1068                 TEQI_FM_MM<0x0a>, ISA_MICROMIPS32_NOT_MIPS32R6;
1069  def TNEI_MM  : MMRel, TEQI_FT<"tnei", GPR32Opnd, II_TNEI>, TEQI_FM_MM<0x0c>,
1070                 ISA_MICROMIPS32_NOT_MIPS32R6;
1071
1072  /// Load-linked, Store-conditional
1073  def LL_MM : LLBaseMM<"ll", GPR32Opnd>, LL_FM_MM<0x3>,
1074              ISA_MICROMIPS32_NOT_MIPS32R6;
1075  def SC_MM : SCBaseMM<"sc", GPR32Opnd>, LL_FM_MM<0xb>,
1076              ISA_MICROMIPS32_NOT_MIPS32R6;
1077
1078  def LLE_MM : MMRel, LLEBaseMM<"lle", GPR32Opnd>, LLE_FM_MM<0x6>,
1079               ISA_MICROMIPS, ASE_EVA;
1080  def SCE_MM : MMRel, SCEBaseMM<"sce", GPR32Opnd>, LLE_FM_MM<0xA>,
1081               ISA_MICROMIPS, ASE_EVA;
1082
1083  let DecoderMethod = "DecodeCacheOpMM" in {
1084    def CACHE_MM : MMRel, CacheOp<"cache", mem_mm_12, II_CACHE>,
1085                   CACHE_PREF_FM_MM<0x08, 0x6>, ISA_MICROMIPS32_NOT_MIPS32R6;
1086    def PREF_MM  : MMRel, CacheOp<"pref", mem_mm_12, II_PREF>,
1087                   CACHE_PREF_FM_MM<0x18, 0x2>, ISA_MICROMIPS32_NOT_MIPS32R6;
1088  }
1089
1090  let DecoderMethod = "DecodePrefeOpMM" in {
1091    def PREFE_MM  : MMRel, CacheOp<"prefe", mem_mm_9, II_PREFE>,
1092                    CACHE_PREFE_FM_MM<0x18, 0x2>, ISA_MICROMIPS, ASE_EVA;
1093    def CACHEE_MM : MMRel, CacheOp<"cachee", mem_mm_9, II_CACHEE>,
1094                    CACHE_PREFE_FM_MM<0x18, 0x3>, ISA_MICROMIPS, ASE_EVA;
1095  }
1096  def SSNOP_MM : MMRel, Barrier<"ssnop", II_SSNOP>, BARRIER_FM_MM<0x1>,
1097                 ISA_MICROMIPS;
1098  def EHB_MM   : MMRel, Barrier<"ehb", II_EHB>, BARRIER_FM_MM<0x3>,
1099                 ISA_MICROMIPS;
1100  def PAUSE_MM : MMRel, Barrier<"pause", II_PAUSE>, BARRIER_FM_MM<0x5>,
1101                 ISA_MICROMIPS;
1102
1103  def TLBP_MM : MMRel, TLB<"tlbp", II_TLBP>, COP0_TLB_FM_MM<0x0d>,
1104                ISA_MICROMIPS;
1105  def TLBR_MM : MMRel, TLB<"tlbr", II_TLBR>, COP0_TLB_FM_MM<0x4d>,
1106                ISA_MICROMIPS;
1107  def TLBWI_MM : MMRel, TLB<"tlbwi", II_TLBWI>, COP0_TLB_FM_MM<0x8d>,
1108                 ISA_MICROMIPS;
1109  def TLBWR_MM : MMRel, TLB<"tlbwr", II_TLBWR>, COP0_TLB_FM_MM<0xcd>,
1110                 ISA_MICROMIPS;
1111
1112  def SDBBP_MM : MMRel, SYS_FT<"sdbbp", uimm10, II_SDBBP>, SDBBP_FM_MM,
1113                 ISA_MICROMIPS;
1114
1115  def PREFX_MM : PrefetchIndexed<"prefx">, POOL32F_PREFX_FM_MM<0x15, 0x1A0>,
1116                 ISA_MICROMIPS32_NOT_MIPS32R6;
1117}
1118
1119def TAILCALL_MM : TailCall<J_MM, jmptarget_mm>, ISA_MIPS1_NOT_32R6_64R6;
1120
1121def TAILCALLREG_MM  : TailCallReg<JRC16_MM, GPR32Opnd>,
1122                      ISA_MICROMIPS32_NOT_MIPS32R6;
1123
1124def PseudoIndirectBranch_MM : PseudoIndirectBranchBase<JR_MM, GPR32Opnd>,
1125                              ISA_MICROMIPS32_NOT_MIPS32R6;
1126
1127let DecoderNamespace = "MicroMips" in {
1128  def RDHWR_MM : MMRel, R6MMR6Rel, ReadHardware<GPR32Opnd, HWRegsOpnd>,
1129                 RDHWR_FM_MM, ISA_MICROMIPS32_NOT_MIPS32R6;
1130  def LWU_MM : MMRel, LoadMM<"lwu", GPR32Opnd, zextloadi32, II_LWU,
1131                             mem_simm12>, LL_FM_MM<0xe>,
1132               ISA_MICROMIPS32_NOT_MIPS32R6;
1133}
1134
1135let DecoderNamespace = "MicroMips" in {
1136  def MFGC0_MM    : MMRel, MfCop0MM<"mfgc0", GPR32Opnd, COP0Opnd, II_MFGC0>,
1137                    POOL32A_MFTC0_FM_MM<0b10011, 0b111100>,
1138                    ISA_MICROMIPS32R5, ASE_VIRT;
1139  def MFHGC0_MM   : MMRel, MfCop0MM<"mfhgc0", GPR32Opnd, COP0Opnd, II_MFHGC0>,
1140                    POOL32A_MFTC0_FM_MM<0b10011, 0b110100>,
1141                    ISA_MICROMIPS32R5, ASE_VIRT;
1142  def MTGC0_MM    : MMRel, MtCop0MM<"mtgc0", COP0Opnd, GPR32Opnd, II_MTGC0>,
1143                    POOL32A_MFTC0_FM_MM<0b11011, 0b111100>,
1144                    ISA_MICROMIPS32R5, ASE_VIRT;
1145  def MTHGC0_MM   : MMRel, MtCop0MM<"mthgc0", COP0Opnd, GPR32Opnd, II_MTHGC0>,
1146                    POOL32A_MFTC0_FM_MM<0b11011, 0b110100>,
1147                    ISA_MICROMIPS32R5, ASE_VIRT;
1148  def HYPCALL_MM  : MMRel, HypcallMM<"hypcall">, POOL32A_HYPCALL_FM_MM,
1149                    ISA_MICROMIPS32R5, ASE_VIRT;
1150  def TLBGINV_MM  : MMRel, TLBINVMM<"tlbginv", II_TLBGINV>,
1151                    POOL32A_TLBINV_FM_MM<0x105>, ISA_MICROMIPS32R5, ASE_VIRT;
1152  def TLBGINVF_MM : MMRel, TLBINVMM<"tlbginvf", II_TLBGINVF>,
1153                    POOL32A_TLBINV_FM_MM<0x145>, ISA_MICROMIPS32R5, ASE_VIRT;
1154  def TLBGP_MM    : MMRel, TLBINVMM<"tlbgp", II_TLBGP>,
1155                    POOL32A_TLBINV_FM_MM<0x5>, ISA_MICROMIPS32R5, ASE_VIRT;
1156  def TLBGR_MM    : MMRel, TLBINVMM<"tlbgr", II_TLBGR>,
1157                    POOL32A_TLBINV_FM_MM<0x45>, ISA_MICROMIPS32R5, ASE_VIRT;
1158  def TLBGWI_MM   : MMRel, TLBINVMM<"tlbgwi", II_TLBGWI>,
1159                    POOL32A_TLBINV_FM_MM<0x85>, ISA_MICROMIPS32R5, ASE_VIRT;
1160  def TLBGWR_MM   : MMRel, TLBINVMM<"tlbgwr", II_TLBGWR>,
1161                    POOL32A_TLBINV_FM_MM<0xc5>, ISA_MICROMIPS32R5, ASE_VIRT;
1162}
1163
1164//===----------------------------------------------------------------------===//
1165// MicroMips arbitrary patterns that map to one or more instructions
1166//===----------------------------------------------------------------------===//
1167
1168defm : MipsHiLoRelocs<LUi_MM, ADDiu_MM, ZERO, GPR32Opnd>, ISA_MICROMIPS;
1169
1170def : MipsPat<(MipsGotHi tglobaladdr:$in), (LUi_MM tglobaladdr:$in)>,
1171      ISA_MICROMIPS;
1172def : MipsPat<(MipsGotHi texternalsym:$in), (LUi_MM texternalsym:$in)>,
1173      ISA_MICROMIPS;
1174
1175def : MipsPat<(MipsTlsHi tglobaltlsaddr:$in), (LUi_MM tglobaltlsaddr:$in)>,
1176      ISA_MICROMIPS;
1177
1178// gp_rel relocs
1179def : MipsPat<(add GPR32:$gp, (MipsGPRel tglobaladdr:$in)),
1180              (ADDiu_MM GPR32:$gp, tglobaladdr:$in)>, ISA_MICROMIPS;
1181def : MipsPat<(add GPR32:$gp, (MipsGPRel tconstpool:$in)),
1182              (ADDiu_MM GPR32:$gp, tconstpool:$in)>, ISA_MICROMIPS;
1183
1184def : WrapperPat<tglobaladdr, ADDiu_MM, GPR32>, ISA_MICROMIPS;
1185def : WrapperPat<tconstpool, ADDiu_MM, GPR32>, ISA_MICROMIPS;
1186def : WrapperPat<texternalsym, ADDiu_MM, GPR32>, ISA_MICROMIPS;
1187def : WrapperPat<tblockaddress, ADDiu_MM, GPR32>, ISA_MICROMIPS;
1188def : WrapperPat<tjumptable, ADDiu_MM, GPR32>, ISA_MICROMIPS;
1189def : WrapperPat<tglobaltlsaddr, ADDiu_MM, GPR32>, ISA_MICROMIPS;
1190
1191def : MipsPat<(atomic_load_8 addr:$a), (LB_MM addr:$a)>, ISA_MICROMIPS;
1192def : MipsPat<(atomic_load_16 addr:$a), (LH_MM addr:$a)>, ISA_MICROMIPS;
1193def : MipsPat<(atomic_load_32 addr:$a), (LW_MM addr:$a)>, ISA_MICROMIPS;
1194
1195def : MipsPat<(i32 immLi16:$imm),
1196              (LI16_MM immLi16:$imm)>, ISA_MICROMIPS;
1197
1198defm :  MaterializeImms<i32, ZERO, ADDiu_MM, LUi_MM, ORi_MM>, ISA_MICROMIPS;
1199
1200def : MipsPat<(not GPRMM16:$in),
1201              (NOT16_MM GPRMM16:$in)>, ISA_MICROMIPS;
1202def : MipsPat<(not GPR32:$in),
1203              (NOR_MM GPR32Opnd:$in, ZERO)>, ISA_MICROMIPS;
1204
1205def : MipsPat<(add GPRMM16:$src, immSExtAddiur2:$imm),
1206              (ADDIUR2_MM GPRMM16:$src, immSExtAddiur2:$imm)>, ISA_MICROMIPS;
1207def : MipsPat<(add GPR32:$src, immSExtAddius5:$imm),
1208              (ADDIUS5_MM GPR32:$src, immSExtAddius5:$imm)>, ISA_MICROMIPS;
1209def : MipsPat<(add GPR32:$src, immSExt16:$imm),
1210              (ADDiu_MM GPR32:$src, immSExt16:$imm)>, ISA_MICROMIPS;
1211
1212def : MipsPat<(and GPRMM16:$src, immZExtAndi16:$imm),
1213              (ANDI16_MM GPRMM16:$src, immZExtAndi16:$imm)>, ISA_MICROMIPS;
1214def : MipsPat<(and GPR32:$src, immZExt16:$imm),
1215              (ANDi_MM GPR32:$src, immZExt16:$imm)>, ISA_MICROMIPS;
1216
1217def : MipsPat<(shl GPRMM16:$src, immZExt2Shift:$imm),
1218              (SLL16_MM GPRMM16:$src, immZExt2Shift:$imm)>, ISA_MICROMIPS;
1219def : MipsPat<(shl GPR32:$src, immZExt5:$imm),
1220              (SLL_MM GPR32:$src, immZExt5:$imm)>, ISA_MICROMIPS;
1221def : MipsPat<(shl GPR32:$lhs, GPR32:$rhs),
1222              (SLLV_MM GPR32:$lhs, GPR32:$rhs)>, ISA_MICROMIPS;
1223
1224def : MipsPat<(srl GPRMM16:$src, immZExt2Shift:$imm),
1225              (SRL16_MM GPRMM16:$src, immZExt2Shift:$imm)>, ISA_MICROMIPS;
1226def : MipsPat<(srl GPR32:$src, immZExt5:$imm),
1227              (SRL_MM GPR32:$src, immZExt5:$imm)>, ISA_MICROMIPS;
1228def : MipsPat<(srl GPR32:$lhs, GPR32:$rhs),
1229              (SRLV_MM GPR32:$lhs, GPR32:$rhs)>, ISA_MICROMIPS;
1230
1231def : MipsPat<(sra GPR32:$src, immZExt5:$imm),
1232              (SRA_MM GPR32:$src, immZExt5:$imm)>, ISA_MICROMIPS;
1233def : MipsPat<(sra GPR32:$lhs, GPR32:$rhs),
1234              (SRAV_MM GPR32:$lhs, GPR32:$rhs)>, ISA_MICROMIPS;
1235
1236def : MipsPat<(store GPRMM16:$src, addrimm4lsl2:$addr),
1237              (SW16_MM GPRMM16:$src, addrimm4lsl2:$addr)>, ISA_MICROMIPS;
1238def : MipsPat<(store GPR32:$src, addr:$addr),
1239              (SW_MM GPR32:$src, addr:$addr)>, ISA_MICROMIPS;
1240
1241def : MipsPat<(load addrimm4lsl2:$addr),
1242              (LW16_MM addrimm4lsl2:$addr)>, ISA_MICROMIPS;
1243def : MipsPat<(load addr:$addr),
1244              (LW_MM addr:$addr)>, ISA_MICROMIPS;
1245def : MipsPat<(subc GPR32:$lhs, GPR32:$rhs),
1246              (SUBu_MM GPR32:$lhs, GPR32:$rhs)>, ISA_MICROMIPS;
1247
1248def : MipsPat<(i32 (extloadi1  addr:$src)), (LBu_MM addr:$src)>,
1249      ISA_MICROMIPS;
1250
1251def : MipsPat<(i32 (extloadi8  addr:$src)), (LBu_MM addr:$src)>,
1252      ISA_MICROMIPS;
1253
1254def : MipsPat<(i32 (extloadi16 addr:$src)), (LHu_MM addr:$src)>,
1255      ISA_MICROMIPS;
1256
1257let AddedComplexity = 40 in
1258  def : MipsPat<(i32 (sextloadi16 addrRegImm:$a)),
1259                (LH_MM addrRegImm:$a)>, ISA_MICROMIPS;
1260
1261
1262def : MipsPat<(bswap GPR32:$rt), (ROTR_MM (WSBH_MM GPR32:$rt), 16)>,
1263      ISA_MICROMIPS;
1264
1265def : MipsPat<(MipsTailCall (iPTR tglobaladdr:$dst)),
1266              (TAILCALL_MM tglobaladdr:$dst)>, ISA_MICROMIPS32_NOT_MIPS32R6;
1267def : MipsPat<(MipsTailCall (iPTR texternalsym:$dst)),
1268              (TAILCALL_MM texternalsym:$dst)>, ISA_MICROMIPS32_NOT_MIPS32R6;
1269
1270defm : BrcondPats<GPR32, BEQ_MM, BEQ_MM, BNE_MM, SLT_MM, SLTu_MM, SLTi_MM,
1271                  SLTiu_MM, ZERO>, ISA_MICROMIPS32_NOT_MIPS32R6;
1272
1273def : MipsPat<(brcond (i32 (setlt i32:$lhs, 1)), bb:$dst),
1274              (BLEZ_MM i32:$lhs, bb:$dst)>, ISA_MICROMIPS32_NOT_MIPS32R6;
1275def : MipsPat<(brcond (i32 (setgt i32:$lhs, -1)), bb:$dst),
1276              (BGEZ_MM i32:$lhs, bb:$dst)>, ISA_MICROMIPS32_NOT_MIPS32R6;
1277
1278defm : SeteqPats<GPR32, SLTiu_MM, XOR_MM, SLTu_MM, ZERO>, ISA_MICROMIPS;
1279defm : SetlePats<GPR32, XORi_MM, SLT_MM, SLTu_MM>, ISA_MICROMIPS;
1280defm : SetgtPats<GPR32, SLT_MM, SLTu_MM>, ISA_MICROMIPS;
1281defm : SetgePats<GPR32, XORi_MM, SLT_MM, SLTu_MM>, ISA_MICROMIPS;
1282defm : SetgeImmPats<GPR32, XORi_MM, SLTi_MM, SLTiu_MM>, ISA_MICROMIPS;
1283
1284// Select patterns
1285
1286// Instantiation of conditional move patterns.
1287defm : MovzPats0<GPR32, GPR32, MOVZ_I_MM, SLT_MM, SLTu_MM, SLTi_MM, SLTiu_MM>,
1288       ISA_MICROMIPS32_NOT_MIPS32R6;
1289defm : MovzPats1<GPR32, GPR32, MOVZ_I_MM, XOR_MM>,
1290       ISA_MICROMIPS32_NOT_MIPS32R6;
1291defm : MovzPats2<GPR32, GPR32, MOVZ_I_MM, XORi_MM>,
1292       ISA_MICROMIPS32_NOT_MIPS32R6;
1293
1294
1295defm : MovnPats<GPR32, GPR32, MOVN_I_MM, XOR_MM>, INSN_MIPS4_32_NOT_32R6_64R6;
1296
1297// Instantiation of conditional move patterns.
1298defm : MovzPats0<GPR32, GPR32, MOVZ_I_MM, SLT_MM, SLTu_MM, SLTi_MM, SLTiu_MM>,
1299       ISA_MICROMIPS32_NOT_MIPS32R6;
1300defm : MovzPats1<GPR32, GPR32, MOVZ_I_MM, XOR_MM>,
1301       ISA_MICROMIPS32_NOT_MIPS32R6;
1302defm : MovzPats2<GPR32, GPR32, MOVZ_I_MM, XORi_MM>,
1303       ISA_MICROMIPS32_NOT_MIPS32R6;
1304
1305defm : MovnPats<GPR32, GPR32, MOVN_I_MM, XOR_MM>, ISA_MICROMIPS32_NOT_MIPS32R6;
1306
1307//===----------------------------------------------------------------------===//
1308// MicroMips instruction aliases
1309//===----------------------------------------------------------------------===//
1310
1311class UncondBranchMMPseudo<string opstr> :
1312  MipsAsmPseudoInst<(outs), (ins brtarget_mm:$offset),
1313                    !strconcat(opstr, "\t$offset")>;
1314
1315def B_MM_Pseudo : UncondBranchMMPseudo<"b">, ISA_MICROMIPS;
1316
1317let EncodingPredicates = [InMicroMips] in {
1318  def SDIV_MM_Pseudo : MultDivPseudo<SDIV_MM, ACC64, GPR32Opnd, MipsDivRem,
1319                                     II_DIV, 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1320  def UDIV_MM_Pseudo : MultDivPseudo<UDIV_MM, ACC64, GPR32Opnd, MipsDivRemU,
1321                                     II_DIVU, 0, 1, 1>, ISA_MIPS1_NOT_32R6_64R6;
1322
1323  def : MipsInstAlias<"wait", (WAIT_MM 0x0), 1>, ISA_MICROMIPS;
1324  def : MipsInstAlias<"nop", (SLL_MM ZERO, ZERO, 0), 1>, ISA_MICROMIPS;
1325  def : MipsInstAlias<"nop", (MOVE16_MM ZERO, ZERO), 1>, ISA_MICROMIPS;
1326  def : MipsInstAlias<"ei", (EI_MM ZERO), 1>, ISA_MICROMIPS;
1327  def : MipsInstAlias<"di", (DI_MM ZERO), 1>, ISA_MICROMIPS;
1328  def : MipsInstAlias<"neg $rt, $rs",
1329                      (SUB_MM GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>,
1330        ISA_MICROMIPS32_NOT_MIPS32R6;
1331  def : MipsInstAlias<"neg $rt",
1332                      (SUB_MM GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 1>,
1333        ISA_MICROMIPS32_NOT_MIPS32R6;
1334  def : MipsInstAlias<"negu $rt, $rs",
1335                      (SUBu_MM GPR32Opnd:$rt, ZERO, GPR32Opnd:$rs), 1>,
1336        ISA_MICROMIPS32_NOT_MIPS32R6;
1337  def : MipsInstAlias<"negu $rt",
1338                      (SUBu_MM GPR32Opnd:$rt, ZERO, GPR32Opnd:$rt), 1>,
1339        ISA_MICROMIPS32_NOT_MIPS32R6;
1340  def : MipsInstAlias<"teq $rs, $rt",
1341                      (TEQ_MM GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1342  def : MipsInstAlias<"tge $rs, $rt",
1343                      (TGE_MM GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1344  def : MipsInstAlias<"tgeu $rs, $rt",
1345                      (TGEU_MM GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1346  def : MipsInstAlias<"tlt $rs, $rt",
1347                      (TLT_MM GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1348  def : MipsInstAlias<"tltu $rs, $rt",
1349                      (TLTU_MM GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1350  def : MipsInstAlias<"tne $rs, $rt",
1351                      (TNE_MM GPR32Opnd:$rs, GPR32Opnd:$rt, 0), 1>;
1352  def : MipsInstAlias<
1353          "sgt $rd, $rs, $rt",
1354          (SLT_MM GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1355  def : MipsInstAlias<
1356          "sgt $rs, $rt",
1357          (SLT_MM GPR32Opnd:$rs, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1358  def : MipsInstAlias<
1359          "sgtu $rd, $rs, $rt",
1360          (SLTu_MM GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1361  def : MipsInstAlias<
1362          "sgtu $rs, $rt",
1363          (SLTu_MM GPR32Opnd:$rs, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1364  def : MipsInstAlias<"sll $rd, $rt, $rs",
1365                      (SLLV_MM GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1366  def : MipsInstAlias<"sra $rd, $rt, $rs",
1367                      (SRAV_MM GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1368  def : MipsInstAlias<"srl $rd, $rt, $rs",
1369                      (SRLV_MM GPR32Opnd:$rd, GPR32Opnd:$rt, GPR32Opnd:$rs), 0>;
1370  def : MipsInstAlias<"sll $rd, $rt",
1371                      (SLLV_MM GPR32Opnd:$rd, GPR32Opnd:$rd, GPR32Opnd:$rt), 0>;
1372  def : MipsInstAlias<"sra $rd, $rt",
1373                      (SRAV_MM GPR32Opnd:$rd, GPR32Opnd:$rd, GPR32Opnd:$rt), 0>;
1374  def : MipsInstAlias<"srl $rd, $rt",
1375                      (SRLV_MM GPR32Opnd:$rd, GPR32Opnd:$rd, GPR32Opnd:$rt), 0>;
1376  def : MipsInstAlias<"sll $rd, $shamt",
1377                      (SLL_MM GPR32Opnd:$rd, GPR32Opnd:$rd, uimm5:$shamt), 0>;
1378  def : MipsInstAlias<"sra $rd, $shamt",
1379                      (SRA_MM GPR32Opnd:$rd, GPR32Opnd:$rd, uimm5:$shamt), 0>;
1380  def : MipsInstAlias<"srl $rd, $shamt",
1381                      (SRL_MM GPR32Opnd:$rd, GPR32Opnd:$rd, uimm5:$shamt), 0>;
1382  def : MipsInstAlias<"rotr $rt, $imm",
1383                      (ROTR_MM GPR32Opnd:$rt, GPR32Opnd:$rt, uimm5:$imm), 0>;
1384  def : MipsInstAlias<"syscall", (SYSCALL_MM 0), 1>, ISA_MICROMIPS;
1385
1386  def : MipsInstAlias<"sync", (SYNC_MM 0), 1>, ISA_MICROMIPS;
1387
1388  defm : OneOrTwoOperandMacroImmediateAlias<"add", ADDi_MM>, ISA_MICROMIPS;
1389
1390  defm : OneOrTwoOperandMacroImmediateAlias<"addu", ADDiu_MM>, ISA_MICROMIPS;
1391
1392  defm : OneOrTwoOperandMacroImmediateAlias<"and", ANDi_MM>, ISA_MICROMIPS;
1393
1394  defm : OneOrTwoOperandMacroImmediateAlias<"or", ORi_MM>, ISA_MICROMIPS;
1395
1396  defm : OneOrTwoOperandMacroImmediateAlias<"xor", XORi_MM>, ISA_MICROMIPS;
1397
1398  defm : OneOrTwoOperandMacroImmediateAlias<"slt", SLTi_MM>, ISA_MICROMIPS;
1399
1400  defm : OneOrTwoOperandMacroImmediateAlias<"sltu", SLTiu_MM>, ISA_MICROMIPS;
1401
1402  def : MipsInstAlias<"not $rt, $rs",
1403                      (NOR_MM GPR32Opnd:$rt, GPR32Opnd:$rs, ZERO), 0>,
1404        ISA_MICROMIPS32_NOT_MIPS32R6;
1405  def : MipsInstAlias<"not $rt",
1406                      (NOR_MM GPR32Opnd:$rt, GPR32Opnd:$rt, ZERO), 0>,
1407        ISA_MICROMIPS32_NOT_MIPS32R6;
1408  def : MipsInstAlias<"bnez $rs,$offset",
1409                      (BNE_MM GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>,
1410        ISA_MICROMIPS;
1411  def : MipsInstAlias<"beqz $rs,$offset",
1412                      (BEQ_MM GPR32Opnd:$rs, ZERO, brtarget:$offset), 0>,
1413        ISA_MICROMIPS;
1414  def : MipsInstAlias<"seh $rd", (SEH_MM GPR32Opnd:$rd, GPR32Opnd:$rd), 0>,
1415                     ISA_MICROMIPS;
1416  def : MipsInstAlias<"seb $rd", (SEB_MM GPR32Opnd:$rd, GPR32Opnd:$rd), 0>,
1417                     ISA_MICROMIPS;
1418  def : MipsInstAlias<"break", (BREAK_MM 0, 0), 1>, ISA_MICROMIPS;
1419  def : MipsInstAlias<"break $imm", (BREAK_MM uimm10:$imm, 0), 1>,
1420        ISA_MICROMIPS;
1421  def : MipsInstAlias<"bal $offset", (BGEZAL_MM ZERO, brtarget_mm:$offset), 1>,
1422        ISA_MICROMIPS32_NOT_MIPS32R6;
1423
1424  def : MipsInstAlias<"j $rs", (JR_MM GPR32Opnd:$rs), 0>,
1425        ISA_MICROMIPS32_NOT_MIPS32R6;
1426}
1427def : MipsInstAlias<"rdhwr $rt, $rs",
1428                    (RDHWR_MM GPR32Opnd:$rt, HWRegsOpnd:$rs, 0), 1>,
1429      ISA_MICROMIPS32_NOT_MIPS32R6;
1430
1431def : MipsInstAlias<"hypcall", (HYPCALL_MM 0), 1>,
1432                    ISA_MICROMIPS32R5, ASE_VIRT;
1433def : MipsInstAlias<"mfgc0 $rt, $rs",
1434                    (MFGC0_MM GPR32Opnd:$rt, COP0Opnd:$rs, 0), 0>,
1435                    ISA_MICROMIPS32R5, ASE_VIRT;
1436def : MipsInstAlias<"mfhgc0 $rt, $rs",
1437                    (MFHGC0_MM GPR32Opnd:$rt, COP0Opnd:$rs, 0), 0>,
1438                    ISA_MICROMIPS32R5, ASE_VIRT;
1439def : MipsInstAlias<"mtgc0 $rt, $rs",
1440                    (MTGC0_MM COP0Opnd:$rs, GPR32Opnd:$rt, 0), 0>,
1441                    ISA_MICROMIPS32R5, ASE_VIRT;
1442def : MipsInstAlias<"mthgc0 $rt, $rs",
1443                    (MTHGC0_MM COP0Opnd:$rs, GPR32Opnd:$rt, 0), 0>,
1444                    ISA_MICROMIPS32R5, ASE_VIRT;
1445