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SubjectRe: kernel + gcc 4.1 = several problems
Date
On Wednesday 03 January 2007 21:38, Linus Torvalds wrote:
> On Wed, 3 Jan 2007, Denis Vlasenko wrote:
> >
> > Why CPU people do not internally convert cmov into jmp,mov pair?
>
...
> It really all boils down to: there's simply no real reason to use cmov.
> It's not horrible either, so go ahead and use it if you want to, but don't
> expect your code to really magically run any faster.

IOW: yet another slot in instruction opcode matrix and thousands of
transistors in instruction decoders are wasted because of this
"clever invention", eh?
--
vda
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