On Thu, Aug 23, 2007 at 06:03:29PM -0700, Jeremy Fitzhardinge wrote: > Matt Mackall wrote: > > 6e: 38 08 cmp %cl,(%eax) > > 70: 74 07 je 79 <memchr3+0x1b> > > 72: 40 inc %eax > > > It's a bit gross that the compiler is using inc here rather than lea or > add, but still... > > Er, something's spending 30% of its time in memchr? This is not the > code to fix.
Indeed. I'm just pointing out the general optimization of walking one counter instead of two. Hmm, perhaps the culprit is validate_nla? -- Mathematics is the supreme nostalgia of our time. - 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/
