AMD AMD5K86 - Page 116

AMD~
18524BjO- Mar1996
AMD5J!16 Processor Technical Reference Manual
TABLE 4-3. Floating-Point Instructions (continued)
Instruction Mnemonic Opcode Format
FISUBR inC32
FLD ST(i)
FMUL ST, ST(i)
FMUL ST(i), ST
FMULreaC64
FMULP ST, ST(i)
FMULP ST(i), ST
FNOP
FRNDINT
Dispatch and Execution Timing
Fastpath or
Microcoded
M
F
M
M
F
F
F
F
M
F
F
F
F
Execution
Unit Timing
Id
fpfill
fadd
fpfill
fadd
Id
fpfiil
fmv
Id
Id
fpfill
fmv
Id
Id
fpfill
fmv
111
1/317
1/3/7
2/7/10
217110
111
1/3/5
1/3/5
111
1/2
1/4/6
1/4/6
111
1/2
1/6/8
11618
fpfill 1/2/4
fmv 1/2/4
nop 1/1
fpfill 112/8
fmul 1/2/8
fpfill
fmul
Id
fpfill
fmul
112/8
112/8
111
113/7
113/7
Id 111
Id 1/2
fpfill 1/4/10
fmul 1/4/10
fpfill 1/2/8
fmul 112/8
fpfill 112/8
fmul 1/2/8
alu 1/1/2
alu 1/112
fpfill 1/2/9
fadd 1/2/9
4-21