Code optimization <LEA Instruction>
Alan Cox
alan en lxorguk.ukuu.org.uk
Jue Ene 27 22:21:14 CST 2000
> > > be used to change the value of an index register faster than
> > > using the ADD instruction (Page G-10, Intel '486 Rag).
> >
> > It is
>
> It is not. Never was and can't possibly be. Further, tests show
> as expected, that address generation takes more time than register
> addition.
> > Your test is wrong. See the notes on address generation stalls
>
> Yea. Sure.
Read the intel book then come back and apologise
next..
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo en vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/
Más información sobre la lista de distribución Ayuda