AMD K5 User Manual

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

AMD K5 Specifications

General

Manufacturer	AMD
Model	K5
Architecture	x86
Microarchitecture	K5
Introduction Year	1996
Clock Speed	75 - 133 MHz
Core Count	1
Socket	Socket 7
Core stepping	SSA/5, 5k86
Voltage	3.3V
Transistors	4.3 million
L1 Cache	8 KB (data) + 16 KB (instruction)
FSB	50 MHz to 66 MHz
Process Technology	350 nm