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
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
