4-8
Performance
AMD-K5 Processor Technical Reference Manual
18524C/0—Nov1996
4.2.2
Integer Instructions
Table 4-1 shows the execution-unit usage for each integer
instruction, along with relative cycle numbers for dispatch and
execution of the associated ROPs for the instruction.
Table 4-1. Integer Instructions
Instruction Mnemonic
Opcode Format
Fastpath or
Microcode
Execution
Unit Timing
ADD reg, reg
0_0x_000000xx_xxx_xxx
F
alu
1/1
ADD reg, mem
0_1x_0000001x_xxx_xxx
F
ld
1/1
alu
1/2
ADD mem, reg
0_1x_0000000x_xxx_xxx
F
ld
1/1
alu
1/2
st
1/1/3
ADD AL/AX/EAX, imm
0_xx_0000010x_xxx_xxx
F
alu
1/1
ADD reg, imm
0_0x_100000xx_000_xxx
F
alu
1/1
ADD mem, imm
0_1x_100000xx_000_xxx
F
ld
1/1
alu
1/2
st
1/1/3
AND reg, reg
0_0x_001000xx_xxx_xxx
F
alu
1/1
AND reg, mem
0_1x_0010001x_xxx_xxx
F
ld
1/1
alu
1/2
AND mem, reg
0_1x_0010000x_xxx_xxx
F
ld
1/1
alu
1/2
st
1/1/3
AND AL/AX/EAX, imm
0_xx_0010010x_xxx_xxx
F
alu
1/1
AND reg, imm
0_0x_100000xx_100_xxx
F
alu
1/1
AND mem, imm
0_1x_100000xx_100_xxx
F
ld
1/1
alu
1/2
st
1/1/3
BSF reg, reg
1_0x_10111100_xxx_xxx
F
alu1
1/1
BSF reg, mem
1_1x_10111100_xxx_xxx
F
ld
1/1
alu1
1/2
BSR reg, reg
1_0x_10111101_xxx_xxx
F
alu1
1/1
BSR reg, mem
1_1x_10111101_xxx_xxx
F
ld
1/1
alu1
1/2
BSWAP reg
1_xx_11001xxx_xxx_xxx
F
alu1
1/1
BT reg, reg
1_0x_10100011_xxx_xxx
F
alu1
1/1
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...