On Wed, May 23, 2012 at 11:35 AM, David Miller <davem@xxxxxxxxxxxxx> wrote:
>
> FWIW, when I code this end case in assembler on sparc64 I just go for
> a bunch of conditional moves, so I'll try to come up with something
> similar to the above that gcc will emit reasonably.
.. and yes, it's possible that the keep-it-simple-and-stupid code you
posted first will actually generate better code if gcc can change it
all to cmov's.
Linus
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