clc

CLC

clear carry flag 

cld

CLD

clear direction flag 

cli

CLI

clear interrupt flag 

cmc

CMC

complement carry flag 

lahf

LAHF

load flags into %ah register

popfw

POPF

pop %eflags from stack

popf{lq}

POPFL

pop %eflags from stack

popfq valid only under -xarch=amd64

pushfw

PUSHF

push %eflags onto stack

pushf{lq}

PUSHFL

push %eflags onto stack

pushfq valid only under -xarch=amd64

sahf

SAHF

store %ah register into flags

stc

STC

set carry flag 

std

STD

set direction flag 

sti

STI

set interrupt flag