IntFunctionUnit
- 版本：V2R2
- 状态：OK
- 日期：2025/01/20
- commit：xxx
整数功能单元包括 jmp, brh ,i2f ,i2v ,f2v ,csr ,alu ,mul ,div, fence, bku; 每个功能单元支持的指令如下表：
jmp
jmp fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| jmp |
AUIPC |
I |
scalar |
| jmp |
JAL |
I |
scalar |
| jmp |
JALR |
I |
scalar |
brh
brh fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| brh |
BEQ |
I |
scalar |
| brh |
BNE |
I |
scalar |
| brh |
BGE |
I |
scalar |
| brh |
BGEU |
I |
scalar |
| brh |
BLT |
I |
scalar |
| brh |
BLTU |
I |
scalar |
i2f
i2f fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| i2f |
FCVT.S.W |
F |
scalar |
| i2f |
FCVT.S.WU |
F |
scalar |
| i2f |
FCVT.S.L |
F |
scalar |
| i2f |
FCVT.S.LU |
F |
scalar |
| i2f |
FCVT.D.W |
D |
scalar |
| i2f |
FCVT.D.WU |
D |
scalar |
| i2f |
FCVT.D.L |
D |
scalar |
| i2f |
FCVT.D.LU |
D |
scalar |
| i2f |
FCVT.H.W |
Zfh |
scalar |
| i2f |
FCVT.H.WU |
Zfh |
scalar |
| i2f |
FCVT.H.L |
Zfh |
scalar |
| i2f |
FCVT.H.LU |
Zfh |
scalar |
i2v
i2v fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| i2v |
FMV.D.X |
D |
scalar |
| i2v |
FMV.W.X |
F |
scalar |
| i2v |
FMV.H.X |
Zfh |
scalar |
另外作为向量指令拆分的 uop（具体拆分方式请参考 decode），支持的 UopSplitType 为 VSET，VEC_0XV，VEC_VXV， VEC_VXW，VEC_WXW， VEC_WXV，VEC_VXM，VEC_SLIDE1UP， VEC_SLIDE1DOWN， VEC_SLIDEUP， VEC_SLIDEDOWN， VEC_RGATHER_VX， VEC_US_LDST， VEC_US_FF_LD，VEC_S_LDST，VEC_I_LDST。支持：
f2v
f2v fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| f2v |
FLI.H |
I |
zfa |
| f2v |
FLI.S |
I |
zfa |
| f2v |
FLI.D |
I |
zfa |
另外作为向量指令拆分的uop（具体拆分方式请参考 decode），支持的 UopSplitType 为 VEC_VFV, VEC_0XV, VEC_VFW, VEC_WFW, VEC_VFM, VEC_FSLIDE1UP, VEC_FSLIDE1DOWN。支持：
csr
csr fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| csr |
csrrw |
I |
scalar |
| csr |
csrrs |
I |
scalar |
| csr |
csrrc |
I |
scalar |
| csr |
csrrwi |
I |
scalar |
| csr |
csrrsi |
I |
scalar |
| csr |
csrrci |
I |
scalar |
| csr |
ebreak |
I |
scalar |
| csr |
ecall |
I |
scalar |
| csr |
sret |
I |
scalar |
| csr |
mret |
I |
scalar |
| csr |
mnret |
smdt |
scalar |
| csr |
dret |
debug |
scalar |
| csr |
wfi |
|
scalar |
| csr |
wrs.nto |
zawrs |
scalar |
| csr |
wrs.sto |
zawrs |
scalar |
alu
alu fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| alu |
LUI |
I |
scalar |
| alu |
ADDI |
I |
scalar |
| alu |
ANDI |
I |
scalar |
| alu |
ORI |
I |
scalar |
| alu |
XORI |
I |
scalar |
| alu |
SLTI |
I |
scalar |
| alu |
SLTIU |
I |
scalar |
| alu |
SLL |
I |
scalar |
| alu |
SUB |
I |
scalar |
| alu |
SLT |
I |
scalar |
| alu |
SLTU |
I |
scalar |
| alu |
AND |
I |
scalar |
| alu |
OR |
I |
scalar |
| alu |
XOR |
I |
scalar |
| alu |
SRA |
I |
scalar |
| alu |
SRL |
I |
scalar |
| alu |
SLLI |
I |
scalar |
| alu |
SRLI |
I |
scalar |
| alu |
SRAI |
I |
scalar |
| alu |
ADDIW |
I |
scalar |
| alu |
SLLIW |
I |
scalar |
| alu |
SRAIW |
I |
scalar |
| alu |
SRLIW |
I |
scalar |
| alu |
ADDW |
I |
scalar |
| alu |
SUBW |
I |
scalar |
| alu |
SLLW |
I |
scalar |
| alu |
SRAW |
I |
scalar |
| alu |
SRLW |
I |
scalar |
| alu |
ADD.UW |
Zba |
scalar |
| alu |
SH1ADD |
Zba |
scalar |
| alu |
SH1ADD.UW |
Zba |
scalar |
| alu |
SH2ADD |
Zba |
scalar |
| alu |
SH2ADD.UW |
Zba |
scalar |
| alu |
SH3ADD |
Zba |
scalar |
| alu |
SH3ADD.UW |
Zba |
scalar |
| alu |
SLLI.UW |
Zba |
scalar |
| alu |
ANDN |
Zbb |
scalar |
| alu |
ORN |
Zbb |
scalar |
| alu |
XORN |
Zbb |
scalar |
| alu |
MAX |
Zbb |
scalar |
| alu |
MAXU |
Zbb |
scalar |
| alu |
MIN |
Zbb |
scalar |
| alu |
MINU |
Zbb |
scalar |
| alu |
SEXT.B |
Zbb |
scalar |
| alu |
SEXT.H |
Zbb |
scalar |
| alu |
ROL |
Zbb |
scalar |
| alu |
ROLW |
Zbb |
scalar |
| alu |
ROR |
Zbb |
scalar |
| alu |
RORI |
Zbb |
scalar |
| alu |
RORIW |
Zbb |
scalar |
| alu |
RORW |
Zbb |
scalar |
| alu |
ORC.B |
Zbb |
scalar |
| alu |
REV8 |
Zbb |
scalar |
| alu |
BCLR |
Zbs |
scalar |
| alu |
BCLRI |
Zbs |
scalar |
| alu |
BEXT |
Zbs |
scalar |
| alu |
BEXTI |
Zbs |
scalar |
| alu |
BINV |
Zbs |
scalar |
| alu |
BINVI |
Zbs |
scalar |
| alu |
BSET |
Zbs |
scalar |
| alu |
BSETI |
Zbs |
scalar |
| alu |
PACk |
Zbkb |
scalar |
| alu |
PACKH |
Zbkb |
scalar |
| alu |
PACKW |
Zbkb |
scalar |
| alu |
BREV8 |
Zbkb |
scalar |
| alu |
CZERO.EQZ |
Zicond |
scalar |
| alu |
CZERO.NEZ |
Zicond |
scalar |
| alu |
MOP.R |
Zimop |
scalar |
| alu |
MOP.RR |
Zimop |
scalar |
| alu |
TRAP |
I |
scalar |
mul
mul fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| mul |
MUL |
M |
scalar |
| mul |
MULH |
M |
scalar |
| mul |
MULHU |
M |
scalar |
| mul |
MULHSU |
M |
scalar |
| mul |
MULW |
M |
scalar |
div
div fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| div |
DIV |
M |
scalar |
| div |
DIVU |
M |
scalar |
| div |
REM |
M |
scalar |
| div |
REMU |
M |
scalar |
| div |
DIVW |
M |
scalar |
| div |
DIVUW |
M |
scalar |
| div |
REMW |
M |
scalar |
| div |
REMUW |
M |
scalar |
fence
fence fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| fence |
SFENCE.VMA |
|
scalar |
| fence |
SFENCE.I |
|
scalar |
| fence |
FENCE |
|
scalar |
| fence |
PAUSE |
|
scalar |
| fence |
SINVAL.VMA |
Svinval |
scalar |
| fence |
SFENCE.W.INVAL |
Svinval |
scalar |
| fence |
SFENCE.INVAL.IR |
Svinval |
scalar |
| fence |
HFENCE.GVMA |
|
scalar |
| fence |
HFENCE.VVMA |
|
scalar |
| fence |
HINVAL.GVMA |
|
scalar |
| fence |
HINVAL.VVMA |
|
scalar |
bku
bku fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| bku |
CLZ |
Zbb |
scalar |
| bku |
CLZW |
Zbb |
scalar |
| bku |
CTZ |
Zbb |
scalar |
| bku |
CTZW |
Zbb |
scalar |
| bku |
CPOP |
Zbb |
scalar |
| bku |
CPOPW |
Zbb |
scalar |
| bku |
CLMUL |
Zbc |
scalar |
| bku |
CLMULH |
Zbc |
scalar |
| bku |
CLMULH |
Zbc |
scalar |
| bku |
XPERM4 |
Zbkx |
scalar |
| bku |
XPERM8 |
Zbkx |
scalar |
| bku |
AES64DS |
Zknd |
scalar |
| bku |
AES64DSM |
Zknd |
scalar |
| bku |
AES64IM |
Zknd |
scalar |
| bku |
AES64KS1I |
Zknd |
scalar |
| bku |
AES64KS2 |
Zknd |
scalar |
| bku |
AES64ES |
Zkne |
scalar |
| bku |
AES64ESM |
Zkne |
scalar |
| bku |
SHA256SIG0 |
Zknh |
scalar |
| bku |
SHA256SIG1 |
Zknh |
scalar |
| bku |
SHA256SUM0 |
Zknh |
scalar |
| bku |
SHA256SUM1 |
Zknh |
scalar |
| bku |
SHA512SIG0 |
Zknh |
scalar |
| bku |
SHA512SIG1 |
Zknh |
scalar |
| bku |
SHA512SUM0 |
Zknh |
scalar |
| bku |
SHA512SUM1 |
Zknh |
scalar |
| bku |
SM4ED0 |
Zksed |
scalar |
| bku |
SM4ED1 |
Zksed |
scalar |
| bku |
SM4ED2 |
Zksed |
scalar |
| bku |
SM4ED3 |
Zksed |
scalar |
| bku |
SM4KS0 |
Zksed |
scalar |
| bku |
SM4KS1 |
Zksed |
scalar |
| bku |
SM4KS2 |
Zksed |
scalar |
| bku |
SM4KS3 |
Zksed |
scalar |
| bku |
SM3P0 |
Zksh |
scalar |
| bku |
SM3P1 |
Zksh |
scalar |