x86 Opcode FCMOVcc

Opcode FCMOVcc

CPU: P6
Type of Instruction: User

Instruction: FCMOVcc dest,sorc

Description:
IF condition(cc) is true THEN dest <- sorc;

Flags Affected: Int: None
Fp : None

Note: Testing Integer flags:

cc Meaning Test Flags Description
B Below CF=1 <
NB Not Below CF=0 >=
E Equal ZF=1 =
NE Not Equal ZF=0 !=
BE Below Equal (CF=1 .OR. ZF=1) <=
NBE Not BelowEqual (CF=0 .AND. ZF=0) >
U Unordered PF=1
NU Not Unordered PF!=1

CPU mode: RM,PM,VM,SMM

+++++++++++++++++++++++
Physical Form & COPs:

FCMOVB ST,STi DA C0+i
FCMOVE ST,STi DA C8+i
FCMOVBE ST,STi DA D0+i
FCMOVU ST,STi DA D8+i
FCMOVNB ST,STi DB C0+i
FCMOVNE ST,STi DB C8+i
FCMOVNBE ST,STi DB D0+i
FCMOVNU ST,STi DB D8+i

Clocks: N/A