Re: [PATCH] memchr (trivial) optimization

[Jeremy Fitzhardinge]

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.

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