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Re: [GOOGLE] Report the difference between profiled and guessed or annotated branch probabilities.
- From: Gerald Pfeifer <gerald at pfeifer dot com>
- To: Yi Yang <ahyangyi at google dot com>
- Cc: gcc-patches at gcc dot gnu dot org, Dehao Chen <dehao at google dot com>
- Date: Fri, 27 Jun 2014 20:59:35 +0200 (CEST)
- Subject: Re: [GOOGLE] Report the difference between profiled and guessed or annotated branch probabilities.
- Authentication-results: sourceware.org; auth=none
- References: <CADvRsebhLsjHkfWN58tdDU7CmgjDJZ9SDNXFwpq5JWEQLKpECA at mail dot gmail dot com>
On Fri, 27 Jun 2014, Yi Yang wrote:
> 2014-06-27 Yi Yang <ahyangyi@google.com>
>
> * auto-profile.c: Main comparison and reporting logic.
> * cfg-flags.def: Add an extra flag representing an edge's
> probability is predicted by annotations.
> * predict.c: Set up the extra flag on an edge when appropriate.
> * common.opt: Add an extra GCC option to turn on this report mechanism
Shouldn't there be documentation for this as well? (In gcc/doc/*.texi?)
Gerald