FpFunctionUnit
- 版本：V2R2
- 状态：OK
- 日期：2025/01/20
- commit：xxx
标量访存功能单元包括 ldu, stu, mou; 每个功能单元支持的指令如下表：
ldu
ldu fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| ldu |
FLD |
D |
scalar |
| ldu |
FLW |
F |
scalar |
| ldu |
LB |
I |
scalar |
| ldu |
LBU |
I |
scalar |
| ldu |
LD |
D |
scalar |
| ldu |
LH |
I |
scalar |
| ldu |
LHU |
I |
scalar |
| ldu |
LW |
I |
scalar |
| ldu |
LWU |
I |
scalar |
| ldu |
HLV.B |
|
scalar |
| ldu |
HLV.BU |
|
scalar |
| ldu |
HLV.D |
|
scalar |
| ldu |
HLV.H |
|
scalar |
| ldu |
HLV.HU |
|
scalar |
| ldu |
HLV.W |
|
scalar |
| ldu |
HLV.WU |
|
scalar |
| ldu |
HLVX.HU |
|
scalar |
| ldu |
HLVX.WU |
|
scalar |
stu
sdu fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| stu |
SB |
I |
scalar |
| stu |
SD |
I |
scalar |
| stu |
SH |
I |
scalar |
| stu |
SW |
I |
scalar |
| stu |
FSD |
D |
scalar |
| stu |
FSW |
F |
scalar |
| stu |
FSH |
Zfh |
scalar |
| stu |
CBO_CLEAN |
CBO |
scalar |
| stu |
CBO_FLUSH |
CBO |
scalar |
| stu |
CBO_INVAL |
CBO |
scalar |
| stu |
CBO_ZERO |
CBO |
scalar |
| stu |
HSV.B |
|
scalar |
| stu |
HSV.D |
|
scalar |
| stu |
HSV.H |
|
scalar |
| stu |
HSV.W |
|
scalar |
mou
mou fu 支持的指令
| 功能单元 |
支持指令 |
扩展 |
描述 |
| mou |
AMOADD_D |
A |
scalar |
| mou |
AMOADD_W |
A |
scalar |
| mou |
AMOAND_D |
A |
scalar |
| mou |
AMOAND_W |
A |
scalar |
| mou |
AMOMAX_D |
A |
scalar |
| mou |
AMOMAX_W |
A |
scalar |
| mou |
AMOMAXU_D |
A |
scalar |
| mou |
AMOMAXU_W |
A |
scalar |
| mou |
AMOMIN_D |
A |
scalar |
| mou |
AMOMIN_W |
A |
scalar |
| mou |
AMOMINU_D |
A |
scalar |
| mou |
AMOMINU_W |
A |
scalar |
| mou |
AMOOR_D |
A |
scalar |
| mou |
AMOOR_W |
A |
scalar |
| mou |
AMOSWAP_D |
A |
scalar |
| mou |
AMOSWAP_W |
A |
scalar |
| mou |
AMOXOR_D |
A |
scalar |
| mou |
AMOXOR_W |
A |
scalar |
| mou |
LR_D |
A |
scalar |
| mou |
LR_W |
A |
scalar |
| mou |
SC_D |
A |
scalar |
| mou |
SC_W |
A |
scalar |