Am 14 Nov 2003 21:05 meinte Fred N. van Kempen:
> On Fri, 14 Nov 2003, Hans Franke wrote:
>
> > BTW: above example is exactly one thing why I hate C.
> > basicly every compiler will generate a stupid loop, while
> > in assembly a REP STOSW would do the trick at maximum
> > speed possible.
> Thats why we invented code peeking and code optimiziers,
> Hans. A decent optimizer for x86 *will* know to replace
> that loop with a REP-prefixed instruction.
Would be great, I still haven't seen one like that.
And just let me guess, it'll replace it by a REP STOSB,
and not use STOSW or try to allign the REP to 16 Bit borders...
Gruss
H.
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Received on Fri Nov 14 2003 - 14:33:35 GMT