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SubjectRe: [PATCH] i386 rw_semaphores fix
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

--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt
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