Re: The Kommunity vs. Dick Johnson

Benny Amorsen (amorsen@sscnet.com)
17 Nov 1998 17:11:22 +0100


>>>>> "TYT" == Theodore Y Ts'o <tytso@mit.edu> writes:

[data-dependent rotate example deleted]

TYT> .... but GCC doesn't know how to handle this sort of thing.
TYT> (Which is why the /dev/random driver has an explicit inline
TYT> __asm__ to take advantage of this very handy i386 instruction.)

Perhaps this optimization could be made by adding a pattern to the
instruction combiner?

Benny

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/