AMD AMD5K86 - Page 115

AMD~
AMDSJ!J6 Processor Technical Reference Manual
TABLE 4-3. Floating-Point Instructions (continued)
Instruction Mnemonic Opcode Format
FIST inC16
FIST inc32
FISTP inC16
FISTP inC32
FISTP inC64
FISUB inC16
FISUB inC32
FISUBR inC16
4-22
Fastpath or
Microcoded
M
M
M
M
M
M
M
M
18524BjO-Mar1996
Execution
Unit Timing
ld
fpfill
fadd
st
ld
fpfill
fadd
st
ld
fpfill
fadd
st
ld
fpfill
fadd
st
ld
ld
fpfill
fadd
st
st
ld
fpfill
fadd
fpfill
fadd
ld
fpfill
fadd
fpfill
fadd
Id
fpfill
fadd
fpfill
fadd
1/1
112/5
112/5
11516
111
112/5
112/5
115/6
111
11215
112/5
11516
111
112/5
112/5
1/5/6
111
112
11215
112/5
2/3/6
2/417
111
11317
113/7
2/7/10
2/7/10
1/1
1/3/7
11317
217/10
2/7/10
111
1/3/7
11317
217/10
2/7/10
Performance