On Tue, Sep 21, 2004 at 11:37:44PM +0100, David Laight wrote: > On Tue, Sep 21, 2004 at 03:53:35PM +0200, Marcus Meissner wrote: > > On Tue, Sep 21, 2004 at 02:57:39PM +0200, Rein Klazes wrote: > > > Hi, > > > > > > Just did not feel like chasing bugs the other day. I decided to have > > > some fun with something that I wondering for a long time: the usefulness > > > of inline i86 assembly in string functions. > > > > Well, you could do unrolling and larger block moves and the like. > > mmm displacing the rest of the programs working set from the I-cache. > > > However, more speed would be gained from other algorithmical changes. > > Like avoiding the use of 'rep movs' for small values of %ecx
Yes. However, the compiler will slowly start to do that anyway (if it doesn't already), so we should not bother. Ciao, Marcus
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