On Tue, Sep 18, 2012 at 1:48 AM, Sharad Singhai <sing...@google.com> wrote: > In response to the recent comments, I have updated the patch to do the > following: > > - Remove pass handling from -fopt-info > - Support additional flags in regular dumps > > I have massaged the options so that they have the following (hopefully > clearer) behavior: > > gcc ... -fopt-info .... ---> dump all optimization info on stderr > gcc ... -fopt-info-missed-optimized=file.txt --> dump info about > optimization applied as well as missed opportunities on to file.txt. > If no file.txt is provided, then use stderr. > > I have enhanced regular dump flags, so that values accepted by > -fopt-info are also accepted. For example, > gcc ... -O2 -ftree-vectorize -fdump-tree-vect-optimized=foo.dump > > Now foo.dump will include the regular tree-vect dump as well as the > output of -fopt-info=optimized. This way developers can get more > detailed dumps when needed. > > I have also changed the meaning of dump option "details" to include > optimization details. Thus "-details" flag implies > "-missed-optimized-note" in addition to other dumps. > > The pass level filtering of -fopt-info dumps can be done in a follow > up patch. It may even turn out to be unnecessary, because the > equivalent effect can be achieved by > -ftree-PASS-optimized-missed-note. >
Richard's suggestion to map high level 'pass' names to internal passes and make it available to -fopt-info filtering for end users as a follow up pass will be useful. thanks, David > I have bootstrapped and tested the attached patch on x86_64 and didn't > observe any new failures. Okay for trunk? > > Thanks, > Sharad
