AMD AMD5K86 - Page 105

AMD~
AMD5f1J6 Processor Technical Reference Manual
TABLE 4-1. Integer Instructions (continued)
Instruction Mnemonic
Opcode Format
MOVmem,reg
(base + index addressing)
MOV ALiAX/EAX, mem
MOV mem, ALiAXIEAX
MOVreg,imm
MOVreg,imm
MOVmem,imm
MOVmem,imm
(base + index addressing)
MOVSX reg, reg
MOVSX reg, mem
MOVZX reg, reg
MOVZX reg, mem
MUL AX, AL, reg
MUL EDX:EAX, EAX, reg
MUL AX, AL, mem
MUL EDX:EAX, EAX, mem
NEG reg
NEGmem
NOP (XCHG EAX, EAX)
NOT reg
NOTmem
OR reg, reg
4-12
Fastpath or
Microcode
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
F
18524B/O-Mar1996
Execution
Unit Timing
ld 1/1
st 1/2/3
ld 1/1
st 1/1
alu 1/1
alu 111
alu 111
st 1/1
alu 1/1
ld 1/1
st 112/3
alul 1/1
ld 1/1
alul 1/2
alu 1/1
ld 1/1
alu 1/2
fpfiIl
1/114
fmul 1/114
fpfiIl 1/1/4
fmul 1/1/4
ld 1/1
fpfiIl 1/2/4
fmul 1/2/4
ld 1/1
fpfiII 1/2/4
fmul 1/2/4
alu
ld
alu
st
alu
alu
ld
alu
st
alu
1/1
111
112
1/1/3
1/1
1/1
111
112
1/1/3
1/1
Performance