AMD Confidential
User Manual
September 12
h
, 2008
202
Appendix A
Instruction
Supported
Mnemonic
Opcode
Description
INTO
CE
Calls overflow exception if the
overflow flag is set.
JO
rel8off
80
cb
Jump if overflow (OF = 1).
JO
rel16off
0F 80
cw
Jump if overflow (OF = 1).
JO
rel32off
0F 80
cd
Jump if overflow (OF = 1).
JNO
rel8off
71
cb
Jump if not overflow (OF = 0)
JNO
rel16off
0F 81
cw
Jump if not overflow (OF = 0)
JNO
rel32off
0F 81
cd
Jump if not overflow (OF = 0)
JB
rel8off
72
cb
Jump if below (CF = 1).
JB
rel16off
0F 82
cw
Jump if below (CF = 1).
JB
rel32off
0F 82
cd
Jump if below (CF = 1).
JC
rel8off
72
cb
Jump if carry (CF =1).
JC
rel16off
0F 82
cw
Jump if carry (CF =1).
JC
rel32off
0F 82
cd
Jump if carry (CF =1).
JNAE
rel8off
72
cb
Jump if not above or equal (CF =1).
JNAE
rel16off
0F 82
cw
Jump if not above or equal (CF =1).
JNAE
rel32off
0F 82
cd
Jump if not above or equal (CF =1).
JNB
rel8off
73
cb
Jump if not below (CF = 0).
JNB
rel16off
0F 83
cw
Jump if not below (CF = 0).
JNB
rel32off
0F 83
cd
Jump if not below (CF = 0).
JNC
rel8off
73
cb
Jump if not carry (CF = 0).
JNC
rel16off
0F 83
cw
Jump if not carry (CF = 0).
JNC
rel32off
0F 83
cd
Jump if not carry (CF = 0).
JAE
rel8off
73
cb
Jump if above or equal (CF = 0).
JAE
rel16off
0F 83
cw
Jump if above or equal (CF = 0).
JAE
rel32off
0F 83
cd
Jump if above or equal (CF = 0).
JZ
rel8off
74
cb
Jump if zero (ZF =1).
JZ
rel16off
0F 84
cw
Jump if zero (ZF =1).
JZ
rel32off
0F 84
cd
Jump if zero (ZF =1).
JE
rel8off
74
cb
Jump if equal (ZF =1).
JE
rel16off
0F 84
cw
Jump if equal (ZF =1).
JE
rel32off
0F 84
cd
Jump if equal (ZF =1).
JNZ
rel8off
75
cb
Jump if not zero (ZF = 0).
JNZ
rel16off
0F 85
cw
Jump if not zero (ZF = 0).
JNZ
rel32off
0F 85
cd
Jump if not zero (ZF = 0).
JNE
rel8off
75
cb
Jump if not equal (ZF = 0).
JNE
rel16off
0F 85
cw
Jump if not equal (ZF = 0).
JNE
rel32off
0F 85
cd
Jump if not equal (ZF = 0).
JBE
rel8off
76
cb
Jump if below or equal (CF = 1 or ZF
= 1).
JBE
rel16off
0F 86
cw
Jump if below or equal (CF = 1 or ZF
= 1).
JBE
rel32off
0F 86
cd
Jump if below or equal (CF = 1 or ZF
= 1).
JNA
rel8off
76
cb
Jump if not above (CF = 1 or ZF = 1).
JNA
rel16off
0F 86
cw
Jump if not above (CF = 1 or ZF = 1).
JNA
rel32off
0F 86
cd
Jump if not above (CF = 1 or ZF = 1).
JNBE
rel8off
77
cb
Jump if not below or equal (CF = 0 or
ZF = 0).
JNBE
rel16off
0F 87
cw
Jump if not below or equal (CF = 0 or
ZF = 0).
JNBE
rel32off
0F 87
cd
Jump if not below or equal (CF = 0 or
ZF = 0).
JA
rel8off
77
cb
Jump if above (CF = 0 or ZF = 0).
JA
rel16off
0F 87
cw
Jump if above (CF = 0 or ZF = 0).
JA
rel32off
0F 87
cd
Jump if above (CF = 0 or ZF = 0).