Dispatch and Execution Timing
4-23
18524C/0—Nov1996
AMD-K5 Processor Technical Reference Manual
FISUBR int_32
0_1x_11011010_101_xxx
M
ld
1/1
fpfill
1/3/7
fadd
1/3/7
fpfill
2/7/10
fadd
2/7/10
FLD real_32
0_1x_11011001_000_xxx
F
ld
1/1
fpfill
1/3/5
fmv
1/3/5
FLD real_64
0_1x_11011101_000_xxx
M
ld
1/1
ld
1/2
fpfill
1/4/6
fmv
1/4/6
FLD real_80
0_1x_11011011_101_xxx
M
ld
1/1
ld
1/2
fpfill
1/6/8
fmv
1/6/8
FLD ST(i)
0_0x_11011001_000_xxx
F
fpfill
1/2/4
fmv
1/2/4
nop
1/1
FMUL ST, ST(i)
0_0x_11011000_001_xxx
F
fpfill 1/2/8
fmul
1/2/8
FMUL ST(i), ST
0_0x_11011100_001_xxx
F
fpfill 1/2/8
fmul
1/2/8
FMUL real_32
0_1x_11011000_001_xxx
F
ld
1/1
fpfill
1/3/7
fmul
1/3/7
FMUL real_64
0_1x_11011100_001_xxx
M
ld
1/1
ld
1/2
fpfill
1/4/10
fmul
1/4/10
FMULP ST, ST(i)
0_0x_11011110_001_xxx
F
fpfill 1/2/8
fmul
1/2/8
FMULP ST(i), ST
0_0x_11011110_001_xxx
F
fpfill 1/2/8
fmul
1/2/8
FNOP
0_0x_11011001_010_xxx
F
alu
1/1/2
alu
1/1/2
FRNDINT
0_0x_11011001_111_xxx
F
fpfill
1/2/9
fadd
1/2/9
Table 4-3. Floating-Point Instructions (continued)
Instruction Mnemonic
Opcode Format
Fastpath or
Microcoded
Execution
Unit Timing
Summary of Contents for AMD-K5
Page 1: ...AMD K5 Processor Technical Reference Manual TM...
Page 10: ...x AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 24: ...1 4 Overview AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 54: ...2 30 Internal Architecture AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 116: ...4 26 Performance AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 356: ...6 44 System Design AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 380: ...7 24 Test and Debug AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 396: ...A 16 AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...
Page 406: ...I 10 Index AMD K5 Processor Technical Reference Manual 18524C 0 Nov1996...