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MIPS指令集手册.pdf
MIPS® Architecture for Programmers Volume II-A: The MIPS32® Instruction Set Manual
Table of Contents
List of Figures
List of Tables
About This Book
1.1 Typographical Conventions
1.1.1 Italic Text
1.1.2 Bold Text
1.1.3 Courier Text
1.2 UNPREDICTABLE and UNDEFINED
1.2.1 UNPREDICTABLE
1.2.2 UNDEFINED
1.2.3 UNSTABLE
1.3 Special Symbols in Pseudocode Notation
1.4 Notation for Register Field Accessibility
1.5 For More Information
Guide to the Instruction Set
2.1 Understanding the Instruction Fields
2.1.1 Instruction Fields
2.1.2 Instruction Descriptive Name and Mnemonic
2.1.3 Format Field
2.1.4 Purpose Field
2.1.5 Description Field
2.1.6 Restrictions Field
2.1.7 Availability and Compatibility Fields
2.1.8 Operation Field
2.1.9 Exceptions Field
2.1.10 Programming Notes and Implementation Notes Fields
2.2 Operation Section Notation and Functions
2.2.1 Instruction Execution Ordering
2.2.2 Pseudocode Functions
2.2.2.1 Coprocessor General Register Access Functions
2.2.2.2 Memory Operation Functions
2.2.2.3 Floating Point Functions
2.2.2.4 Pseudocode Functions Related to Sign and Zero Extension
2.2.2.5 Miscellaneous Functions
2.3 Op and Function Subfield Notation
2.4 FPU Instructions
The MIPS32® Instruction Set
3.1 Compliance and Subsetting
3.1.1 Subsetting of Non-Privileged Architecture
3.2 Alphabetical List of Instructions
ABS.fmt
ADD
ADD.fmt
ADDI
ADDIU
ADDIUPC
ADDU
ALIGN
ALNV.PS
ALUIPC
AND
ANDI
AUI
AUIPC
B
BAL
BALC
BC
BC1EQZ BC1NEZ
BC1F
BC1FL
BC1T
BC1TL
BC2EQZ BC2NEZ
BC2F
BC2FL
BC2T
BC2TL
BEQ
BEQL
BGEZ
BGEZAL
B{LE,GE,GT,LT,EQ,NE}ZALC
BGEZALL
BC
BGEZL
BGTZ
BGTZL
BITSWAP
BLEZ
BLEZL
BLTZ
BLTZAL
BLTZALL
BLTZL
BNE
BNEL
BOVC BNVC
BREAK
C.cond.fmt
CACHE
CACHEE
CEIL.L.fmt
CEIL.W.fmt
CFC1
CFC2
CLASS.fmt
CLO
CLZ
CMP.condn.fmt
COP2
CTC1
CTC2
CVT.D.fmt
CVT.L.fmt
CVT.PS.S
CVT.S.PL
CVT.S.PU
CVT.S.fmt
CVT.W.fmt
DDIV
DDIVU
DERET
DI
DIV
DIV MOD DIVU MODU
DIV.fmt
DIVU
DVP
EHB
EI
ERET
ERETNC
EVP
EXT
FLOOR.L.fmt
FLOOR.W.fmt
INS
J
JAL
JALR
JALR.HB
JALX
JIALC
JIC
JR
JR.HB
LB
LBE
LBU
LBUE
LDC1
LDC2
LDXC1
LH
LHE
LHU
LHUE
LL
LLE
LLWP
LLWPE
LSA
LUI
LUXC1
LW
LWC1
LWC2
LWE
LWL
LWLE
LWPC
LWR
LWRE
LWXC1
MADD
MADD.fmt
MADDF.fmt MSUBF.fmt
MADDU
MAX.fmt MIN.fmt MAXA.fmt MINA.fmt
MFC0
MFC1
MFC2
MFHC0
MFHC1
MFHC2
MFHI
MFLO
MOV.fmt
MOVF
MOVF.fmt
MOVN
MOVN.fmt
MOVT
MOVT.fmt
MOVZ
MOVZ.fmt
MSUB
MSUB.fmt
MSUBU
MTC0
MTC1
MTC2
MTHC0
MTHC1
MTHC2
MTHI
MTLO
MUL
MUL MUH MULU MUHU
MUL.fmt
MULT
MULTU
NAL
NEG.fmt
NMADD.fmt
NMSUB.fmt
NOP
NOR
OR
ORI
PAUSE
PLL.PS
PLU.PS
PREF
PREFE
PREFX
PUL.PS
PUU.PS
RDHWR
RDPGPR
RECIP.fmt
RINT.fmt
ROTR
ROTRV
ROUND.L.fmt
ROUND.W.fmt
RSQRT.fmt
SB
SBE
SC
SCE
SCWP
SCWPE
SDBBP
SDC1
SDC2
SDXC1
SEB
SEH
SEL.fmt
SELEQZ SELNEZ
SELEQZ.fmt SELNEQZ.fmt
SH
SHE
SIGRIE
SLL
SLLV
SLT
SLTI
SLTIU
SLTU
SQRT.fmt
SRA
SRAV
SRL
SRLV
SSNOP
SUB
SUB.fmt
SUBU
SUXC1
SW
SWC1
SWC2
SWE
SWL
SWLE
SWR
SWRE
SWXC1
SYNC
SYNCI
SYSCALL
TEQ
TEQI
TGE
TGEI
TGEIU
TGEU
TLBINV
TLBINVF
TLBP
TLBR
TLBWI
TLBWR
TLT
TLTI
TLTIU
TLTU
TNE
TNEI
TRUNC.L.fmt
TRUNC.W.fmt
WAIT
WRPGPR
WSBH
XOR
XORI
Instruction Bit Encodings
A.1 Instruction Encodings and Instruction Classes
A.2 Instruction Bit Encoding Tables
A.3 Floating Point Unit Instruction Format Encodings
A.4 Release 6 Instruction Encodings
Revision History
MIPS® Architecture for Programmers
Volume II-A: The MIPS32® Instruction
Set Manual
Document Number: MD00086
Revision 6.05
May 20, 2016
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Com-
panies. All rights reserved.
MIPS
Verified™
Public. This publication contains proprietary information which is subject to change without notice and is supplied ‘as is’, without any warranty of any kind.
Template: nB1.03, Built with tags: 2B ARCH FPU_PS FPU_PSandARCH MIPS32
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
The MIPS32® Instruction Set Manual, Revision 6.05
Table of Contents
Chapter 1: About This Book .................................................................................................................. 2
1.1: Typographical Conventions ......................................................................................................................... 3
1.1.1: Italic Text............................................................................................................................................ 3
1.1.2: Bold Text ............................................................................................................................................ 3
1.1.3: Courier Text ....................................................................................................................................... 3
1.2: UNPREDICTABLE and UNDEFINED ......................................................................................................... 3
1.2.1: UNPREDICTABLE ............................................................................................................................. 3
1.2.2: UNDEFINED ...................................................................................................................................... 4
1.2.3: UNSTABLE ........................................................................................................................................ 4
1.3: Special Symbols in Pseudocode Notation................................................................................................... 4
1.4: Notation for Register Field Accessibility ...................................................................................................... 7
1.5: For More Information ................................................................................................................................... 9
Chapter 2: Guide to the Instruction Set.............................................................................................. 10
2.1: Understanding the Instruction Fields ......................................................................................................... 10
2.1.1: Instruction Fields.............................................................................................................................. 12
2.1.2: Instruction Descriptive Name and Mnemonic................................................................................... 12
2.1.3: Format Field ..................................................................................................................................... 12
2.1.4: Purpose Field ................................................................................................................................... 13
2.1.5: Description Field .............................................................................................................................. 13
2.1.6: Restrictions Field.............................................................................................................................. 13
2.1.7: Availability and Compatibility Fields ................................................................................................. 14
2.1.8: Operation Field................................................................................................................................. 15
2.1.9: Exceptions Field............................................................................................................................... 15
2.1.10: Programming Notes and Implementation Notes Fields.................................................................. 15
2.2: Operation Section Notation and Functions................................................................................................ 16
2.2.1: Instruction Execution Ordering......................................................................................................... 16
2.2.2: Pseudocode Functions..................................................................................................................... 16
2.3: Op and Function Subfield Notation............................................................................................................ 27
2.4: FPU Instructions ........................................................................................................................................ 27
Chapter 3: The MIPS32® Instruction Set ............................................................................................ 29
3.1: Compliance and Subsetting....................................................................................................................... 29
3.1.1: Subsetting of Non-Privileged Architecture ....................................................................................... 29
3.2: Alphabetical List of Instructions ................................................................................................................. 31
ABS.fmt ......................................................................................................................................................... 32
ADD............................................................................................................................................................... 33
ADD.fmt......................................................................................................................................................... 34
ADDI.............................................................................................................................................................. 35
ADDIU ........................................................................................................................................................... 36
ADDIUPC ...................................................................................................................................................... 37
ADDU ............................................................................................................................................................ 38
ALIGN............................................................................................................................................................ 39
ALNV.PS ....................................................................................................................................................... 41
ALUIPC ......................................................................................................................................................... 43
AND............................................................................................................................................................... 44
ANDI.............................................................................................................................................................. 45
3
The MIPS32® Instruction Set Manual, Revision 6.05
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
AUI ................................................................................................................................................................ 47
AUIPC ........................................................................................................................................................... 48
B .................................................................................................................................................................... 49
BAL................................................................................................................................................................ 50
BALC ............................................................................................................................................................. 52
BC ................................................................................................................................................................. 53
BC1EQZ BC1NEZ......................................................................................................................................... 54
BC1F ............................................................................................................................................................. 56
BC1FL ........................................................................................................................................................... 58
BC1T ............................................................................................................................................................. 60
BC1TL ........................................................................................................................................................... 62
BC2EQZ BC2NEZ......................................................................................................................................... 64
BC2F ............................................................................................................................................................. 66
BC2FL ........................................................................................................................................................... 67
BC2T ............................................................................................................................................................. 69
BC2TL ........................................................................................................................................................... 70
BEQ............................................................................................................................................................... 72
BEQL............................................................................................................................................................. 73
BGEZ............................................................................................................................................................. 75
BGEZAL ........................................................................................................................................................ 76
B{LE,GE,GT,LT,EQ,NE}ZALC ...................................................................................................................... 77
BGEZALL ...................................................................................................................................................... 80
BC ..................................................................................................................................................... 82
BGEZL........................................................................................................................................................... 86
BGTZ............................................................................................................................................................. 88
BGTZL........................................................................................................................................................... 89
BITSWAP ..................................................................................................................................................... 91
BLEZ ............................................................................................................................................................. 93
BLEZL ........................................................................................................................................................... 94
BLTZ.............................................................................................................................................................. 96
BLTZAL ......................................................................................................................................................... 97
BLTZALL ....................................................................................................................................................... 98
BLTZL.......................................................................................................................................................... 100
BNE ............................................................................................................................................................. 102
BNEL ........................................................................................................................................................... 103
BOVC BNVC ............................................................................................................................................... 105
BREAK ........................................................................................................................................................ 107
C.cond.fmt ................................................................................................................................................... 108
CACHE........................................................................................................................................................ 112
CACHEE ..................................................................................................................................................... 119
CEIL.L.fmt ................................................................................................................................................... 125
CEIL.W.fmt .................................................................................................................................................. 126
CFC1 ........................................................................................................................................................... 127
CFC2 ........................................................................................................................................................... 129
CLASS.fmt................................................................................................................................................... 130
CLO ............................................................................................................................................................. 132
CLZ.............................................................................................................................................................. 133
CMP.condn.fmt............................................................................................................................................ 134
COP2........................................................................................................................................................... 139
CTC1 ........................................................................................................................................................... 140
CTC2 ........................................................................................................................................................... 143
CVT.D.fmt.................................................................................................................................................... 144
CVT.L.fmt .................................................................................................................................................... 145
The MIPS32® Instruction Set Manual, Revision 6.05
4
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
CVT.PS.S .................................................................................................................................................... 146
CVT.S.PL .................................................................................................................................................... 148
CVT.S.PU.................................................................................................................................................... 149
CVT.S.fmt.................................................................................................................................................... 150
CVT.W.fmt................................................................................................................................................... 151
DDIV............................................................................................................................................................ 152
DDIVU ......................................................................................................................................................... 153
DERET ........................................................................................................................................................ 154
DI................................................................................................................................................................. 155
DIV .............................................................................................................................................................. 156
DIV MOD DIVU MODU ............................................................................................................................... 158
DIV.fmt ........................................................................................................................................................ 160
DIVU............................................................................................................................................................ 161
DVP ............................................................................................................................................................. 162
EHB ............................................................................................................................................................. 165
EI ................................................................................................................................................................. 166
ERET........................................................................................................................................................... 167
ERETNC...................................................................................................................................................... 169
EVP ............................................................................................................................................................. 171
EXT ............................................................................................................................................................. 173
FLOOR.L.fmt ............................................................................................................................................... 175
FLOOR.W.fmt.............................................................................................................................................. 176
INS .............................................................................................................................................................. 177
J................................................................................................................................................................... 179
JAL .............................................................................................................................................................. 180
JALR............................................................................................................................................................ 181
JALR.HB...................................................................................................................................................... 183
JALX............................................................................................................................................................ 187
JIALC........................................................................................................................................................... 189
JIC ............................................................................................................................................................... 191
JR ................................................................................................................................................................ 192
JR.HB .......................................................................................................................................................... 194
LB ................................................................................................................................................................ 197
LBE.............................................................................................................................................................. 198
LBU ............................................................................................................................................................. 199
LBUE ........................................................................................................................................................... 200
LDC1 ........................................................................................................................................................... 201
LDC2 ........................................................................................................................................................... 202
LDXC1......................................................................................................................................................... 204
LH................................................................................................................................................................ 205
LHE ............................................................................................................................................................. 206
LHU ............................................................................................................................................................. 207
LHUE........................................................................................................................................................... 208
LL ................................................................................................................................................................ 209
LLE .............................................................................................................................................................. 211
LLWP........................................................................................................................................................... 213
LLWPE ........................................................................................................................................................ 215
LSA ............................................................................................................................................................. 217
LUI............................................................................................................................................................... 218
LUXC1......................................................................................................................................................... 219
LW ............................................................................................................................................................... 220
LWC1 .......................................................................................................................................................... 221
LWC2 .......................................................................................................................................................... 222
5
The MIPS32® Instruction Set Manual, Revision 6.05
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
LWE............................................................................................................................................................. 224
LWL ............................................................................................................................................................. 225
LWLE........................................................................................................................................................... 227
LWPC .......................................................................................................................................................... 230
LWR ............................................................................................................................................................ 231
LWRE .......................................................................................................................................................... 234
LWXC1 ........................................................................................................................................................ 237
MADD.......................................................................................................................................................... 238
MADD.fmt.................................................................................................................................................... 239
MADDF.fmt MSUBF.fmt .............................................................................................................................. 242
MADDU ....................................................................................................................................................... 244
MAX.fmt MIN.fmt MAXA.fmt MINA.fmt........................................................................................................ 245
MFC0........................................................................................................................................................... 249
MFC1........................................................................................................................................................... 250
MFC2........................................................................................................................................................... 251
MFHC0 ........................................................................................................................................................ 252
MFHC1 ........................................................................................................................................................ 253
MFHC2 ........................................................................................................................................................ 254
MFHI............................................................................................................................................................ 255
MFLO .......................................................................................................................................................... 256
MOV.fmt ...................................................................................................................................................... 257
MOVF .......................................................................................................................................................... 258
MOVF.fmt .................................................................................................................................................... 259
MOVN.......................................................................................................................................................... 261
MOVN.fmt.................................................................................................................................................... 262
MOVT .......................................................................................................................................................... 263
MOVT.fmt .................................................................................................................................................... 264
MOVZ .......................................................................................................................................................... 266
MOVZ.fmt .................................................................................................................................................... 267
MSUB .......................................................................................................................................................... 268
MSUB.fmt .................................................................................................................................................... 269
MSUBU ....................................................................................................................................................... 271
MTC0........................................................................................................................................................... 272
MTC1........................................................................................................................................................... 274
MTC2........................................................................................................................................................... 275
MTHC0 ........................................................................................................................................................ 276
MTHC1 ........................................................................................................................................................ 277
MTHC2 ........................................................................................................................................................ 278
MTHI............................................................................................................................................................ 279
MTLO .......................................................................................................................................................... 280
MUL............................................................................................................................................................. 281
MUL MUH MULU MUHU ............................................................................................................................ 282
MUL.fmt....................................................................................................................................................... 284
MULT........................................................................................................................................................... 285
MULTU ........................................................................................................................................................ 286
NAL ............................................................................................................................................................. 287
NEG.fmt....................................................................................................................................................... 288
NMADD.fmt ................................................................................................................................................. 289
NMSUB.fmt ................................................................................................................................................. 291
NOP............................................................................................................................................................. 293
NOR ............................................................................................................................................................ 294
OR ............................................................................................................................................................... 295
ORI .............................................................................................................................................................. 296
The MIPS32® Instruction Set Manual, Revision 6.05
6
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
PAUSE ........................................................................................................................................................ 298
PLL.PS ........................................................................................................................................................ 300
PLU.PS........................................................................................................................................................ 301
PREF........................................................................................................................................................... 302
PREFE ........................................................................................................................................................ 306
PREFX ........................................................................................................................................................ 310
PUL.PS........................................................................................................................................................ 311
PUU.PS ....................................................................................................................................................... 312
RDHWR....................................................................................................................................................... 313
RDPGPR ..................................................................................................................................................... 316
RECIP.fmt ................................................................................................................................................... 317
RINT.fmt ...................................................................................................................................................... 318
ROTR .......................................................................................................................................................... 320
ROTRV........................................................................................................................................................ 321
ROUND.L.fmt .............................................................................................................................................. 322
ROUND.W.fmt............................................................................................................................................. 323
RSQRT.fmt.................................................................................................................................................. 324
SB................................................................................................................................................................ 325
SBE ............................................................................................................................................................. 326
SC ............................................................................................................................................................... 327
SCE ............................................................................................................................................................. 330
SCWP.......................................................................................................................................................... 333
SCWPE ....................................................................................................................................................... 335
SDBBP ........................................................................................................................................................ 338
SDC1........................................................................................................................................................... 339
SDC2........................................................................................................................................................... 340
SDXC1 ........................................................................................................................................................ 341
SEB ............................................................................................................................................................. 342
SEH ............................................................................................................................................................. 343
SEL.fmt........................................................................................................................................................ 344
SELEQZ SELNEZ ....................................................................................................................................... 346
SELEQZ.fmt SELNEQZ.fmt ........................................................................................................................ 348
SH ............................................................................................................................................................... 350
SHE ............................................................................................................................................................. 351
SIGRIE ........................................................................................................................................................ 353
SLL .............................................................................................................................................................. 354
SLLV............................................................................................................................................................ 355
SLT.............................................................................................................................................................. 356
SLTI............................................................................................................................................................. 357
SLTIU .......................................................................................................................................................... 358
SLTU ........................................................................................................................................................... 359
SQRT.fmt .................................................................................................................................................... 360
SRA ............................................................................................................................................................. 361
SRAV........................................................................................................................................................... 362
SRL ............................................................................................................................................................. 363
SRLV ........................................................................................................................................................... 364
SSNOP........................................................................................................................................................ 365
SUB ............................................................................................................................................................. 366
SUB.fmt ....................................................................................................................................................... 367
SUBU .......................................................................................................................................................... 368
SUXC1 ........................................................................................................................................................ 369
SW............................................................................................................................................................... 370
SWC1 .......................................................................................................................................................... 371
7
The MIPS32® Instruction Set Manual, Revision 6.05
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
SWC2 .......................................................................................................................................................... 372
SWE ............................................................................................................................................................ 373
SWL............................................................................................................................................................. 374
SWLE .......................................................................................................................................................... 377
SWR ............................................................................................................................................................ 379
SWRE.......................................................................................................................................................... 382
SWXC1........................................................................................................................................................ 384
SYNC .......................................................................................................................................................... 385
SYNCI ......................................................................................................................................................... 390
SYSCALL .................................................................................................................................................... 393
TEQ ............................................................................................................................................................. 394
TEQI ............................................................................................................................................................ 395
TGE ............................................................................................................................................................. 396
TGEI ............................................................................................................................................................ 397
TGEIU ......................................................................................................................................................... 398
TGEU .......................................................................................................................................................... 399
TLBINV........................................................................................................................................................ 400
TLBINVF...................................................................................................................................................... 403
TLBP ........................................................................................................................................................... 405
TLBR ........................................................................................................................................................... 406
TLBWI ......................................................................................................................................................... 408
TLBWR........................................................................................................................................................ 410
TLT .............................................................................................................................................................. 412
TLTI ............................................................................................................................................................. 413
TLTIU .......................................................................................................................................................... 414
TLTU ........................................................................................................................................................... 415
TNE ............................................................................................................................................................. 416
TNEI ............................................................................................................................................................ 417
TRUNC.L.fmt............................................................................................................................................... 418
TRUNC.W.fmt ............................................................................................................................................. 419
WAIT ........................................................................................................................................................... 420
WRPGPR .................................................................................................................................................... 422
WSBH.......................................................................................................................................................... 423
XOR............................................................................................................................................................. 424
XORI............................................................................................................................................................ 425
Appendix A: Instruction Bit Encodings............................................................................................ 426
A.1: Instruction Encodings and Instruction Classes ....................................................................................... 426
A.2: Instruction Bit Encoding Tables............................................................................................................... 426
A.3: Floating Point Unit Instruction Format Encodings ................................................................................... 437
A.4: Release 6 Instruction Encodings............................................................................................................. 439
Appendix B: Revision History ........................................................................................................... 444
The MIPS32® Instruction Set Manual, Revision 6.05
8
Copyright © 2016 Imagination Technologies LTD. and/or its Affiliated Group Companies. All rights reserved.
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