This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [PATCH] Sanitize block partitioning under -freorder-blocks-and-partition


On Fri, Aug 30, 2013 at 8:26 AM, Jan Hubicka <hubicka@ucw.cz> wrote:
>> >
>> > The frequency condition needs to be done only when you walk predecestors - when
>> > you walk down the edge probabilities are just fine.
>>
>> True. For simplicity I think it should be fine to leave as-is so there
>> isn't more special casing as the current approach works in both
>> directions.
>
> Yep, you are right. Frequencies are safe both directions.
>
> I think this change belongs to profile feedback category, so the patch is OK.

ok, thanks.

Teresa

>
> Honza



-- 
Teresa Johnson | Software Engineer | tejohnson@google.com | 408-460-2413


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]