4-20
Performance
AMD-K5 Processor Technical Reference Manual
18524C/0—Nov1996
FADDP ST(i), ST
0_0x_11011110_000_xxx
F
fpfill
1/2/5
fadd
1/2/5
FCHS
0_0x_11011001_100_xxx
F
fpfill
1/2/4
fchs
1/2/4
FCOM ST(i)
0_0x_11011x00_010_xxx
F
fpfill
1/2/4
fcmpst 1/2/4
FCOM real_32
0_1x_11011000_010_xxx
F
ld
1/1
fpfill
1/3/5
fmv
1/3/5
FCOM real_64
0_1x_11011100_010_xxx
M
ld
1/1
ld
1/2
fpfill
1/4/6
fadd
1/4/6
FCOMP ST(i)
0_0x_11011x00_011_xxx
F
fpfill
1/2/4
fmv
1/2/4
alu
1/1
FCOMP real_32
0_1x_11011000_011_xxx
F
ld
1/1
fpfill
1/3/5
fmv
1/3/5
FCOMP real_64
0_1x_11011100_011_xxx
M
ld
1/1
ld
1/2
fpfill
1/4/6
fadd
1/4/6
FCOMPP
0_0x_11011110_011_xxx
F
fpfill
1/2/4
fmv
1/2/4
nop
1/1/2
FDECSTP
0_0x_11011001_110_xxx
M
alu
1/1/2
alu
1/1/2
FIADD int_16
0_1x_11011110_000_xxx
M
ld
1/1
fpfill
1/3/7
fadd
1/3/7
fpfill
2/7/10
fadd
2/7/10
FIADD int_32
0_1x_11011010_000_xxx
M
ld
1/1
fpfill
1/3/7
fadd
1/3/7
fpfill
2/7/10
fadd
2/7/10
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...