Alan Cox wrote:
>
> > Yes, the big 686 optimization is CMOV, and that one is
> > ultra-pervasive.
>
> Be careful there. CMOV is an optional instruction. gcc is arguably wrong
> in using cmov in '686' mode. Building libs with cmov makes sense though
> especially for the PIV with its ridiculously long pipeline
>
It is just a matter how you define "686 mode", otherwise the very concept
is meaningless.
-hpa
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This archive was generated by hypermail 2b29 : Sun Apr 15 2001 - 21:00:17 EST