On Thu, Jul 28, 2005 at 07:10:41PM +0200, Eric Dumazet wrote: > [PATCH] x86_64 : prefetchw() can fall back to prefetch() if !3DNOW > > If the cpu lacks 3DNOW feature, we can use a normal prefetcht0 instruction > instead of NOP5. > "prefetchw (%rxx)" and "prefetcht0 (%rxx)" have the same length, ranging > from 3 to 5 bytes > depending on the register. So this patch even helps AMD64, shortening the > length of the code.
Looks good, thanks. -Andi - 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/
