638
AMD Geode™ LX Processors Data Book
Instruction Set
33234H
JNBE/JA
Jump on Not Below or Equal/Above
-
-
-
-
-
-
-
-
r
8-bit Displacement
77 +
1
1
Full Displacement
0F 87 +++
1
1
JNE/JNZ
Jump on Not Equal/Not Zero
-
-
-
-
-
-
-
-
r
8-bit Displacement
75 +
1
1
Full Displacement
0F 85 +++
1
1
JNL/JGE
Jump on Not Less/Greater or Equal
-
-
-
-
-
-
-
-
r
8-bit Displacement
7D +
1
1
Full Displacement
0F 8D +++
1
1
JNLE/JG
Jump on Not Less or Equal/Greater
-
-
-
-
-
-
-
-
r
8-bit Displacement
7F +
1
1
Full Displacement
0F 8F +++
1
1
JNO
Jump on Not Overflow
-
-
-
-
-
-
-
-
r
8-bit Displacement
71 +
1
1
Full Displacement
0F 81 +++
1
1
JNP/JPO
Jump on Not Parity/Parity Odd
-
-
-
-
-
-
-
-
r
8-bit Displacement
7B +
1
1
Full Displacement
0F 8B +++
1
1
JNS
Jump on Not Sign
-
-
-
-
-
-
-
-
r
8-bit Displacement
79 +
1
1
Full Displacement
0F 89 +++
1
1
JO
Jump on Overflow
-
-
-
-
-
-
-
-
r
8-bit Displacement
70 +
1
1
Full Displacement
0F 80 +++
1
1
JP/JPE
Jump on Parity/Parity Even
-
-
-
-
-
-
-
-
r
8-bit Displacement
7A +
1
1
Full Displacement
0F 8A +++
1
1
JS
Jump on Sign
-
-
-
-
-
-
-
-
r
8-bit Displacement
78 +
1
1
Full Displacement
0F 88 +++
1
1
LAHF
Load AH with Flags
9F
2
2
-
-
-
-
-
-
-
-
-
LAR
Load Access Rights
0F 02 [mod reg r/m]
-
-
-
-
-
x
-
-
-
a
g,h,j,p
From Register/Memory
9
LDS
Load Pointer to DS
C5 [mod reg r/m]
4
9/15
-
-
-
-
-
-
-
-
-
b
h,i,j
LEA
Load Effective Address
-
-
-
-
-
-
-
-
-
No Index Register
8D [mod reg r/m]
1
1
With Index Register
1
1
LEAVE
2
2
LES
Load Pointer to ES
C4 [mod reg r/m]
4
9/15
-
-
-
-
-
-
-
-
-
b
h,i,j
LFENCE
1
1
LFS
Load Pointer to FS
0F B4 [mod reg r/m]
4
9/15
-
-
-
-
-
-
-
-
-
b
h,i,j
LGDT
Load GDT Register
0F 01 [mod 010 r/m]
8-9
8-9
-
-
-
-
-
-
-
-
-
b,c
h,l
LGS
Load Pointer to GS
0F B5 [mod reg r/m]
4
9/15
-
-
-
-
-
-
-
-
-
b
h,i,j
LIDT
Load IDT Register
0F 01 [mod 011 r/m]
8-9
8-9
-
-
-
-
-
-
-
-
-
b,c
h,l
LLDT
Load LDT Register
0F 00 [mod 010 r/m]
-
-
-
-
-
-
-
-
-
a
g,h,j,l
From Register/Memory
8
LMSW
Load Machine Status Word
-
-
-
-
-
-
-
-
-
From Register/Memory
0F 01 [mod 110 r/m]
8
8
b,c
h,l
LODS
Load String
A [110 w]
2
2
-
-
-
-
-
-
-
-
-
b
h
LOOP
Offset Loop/No Loop
E2 +
2
2
-
-
-
-
-
-
-
-
-
r
Table 8-26. Processor Core Instruction Set (Continued)
Instruction
Opcode
Clock Count
(Reg/Cache Hit)
Flags
Notes
Real
Mode
Prot’d
Mode
O D I
T
S Z
A P C
F
F
F
F
F
F
F
F
F
Real
Mode
Prot’d
Mode
Summary of Contents for Geode LX 600
Page 14: ...14 AMD Geode LX Processors Data Book Overview 33234H...
Page 20: ...20 AMD Geode LX Processors Data Book Architecture Overview 33234H...
Page 44: ...44 AMD Geode LX Processors Data Book Signal Definitions 33234H...
Page 88: ...88 AMD Geode LX Processors Data Book GLIU Register Descriptions 33234H...
Page 618: ...618 AMD Geode LX Processors Data Book Electrical Specifications 33234H...