[Bug gcov-profile/47618] Collecting multiple profiles and using all for PGO

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47618

--- Comment #7 from Andrew Pinski <pinskia at gcc dot gnu.org> 2012-07-24 22:12:44 UTC ---
Created attachment 27869
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=27869
Patch for adding merge-gcda

here is the patch which adds merge-gcda .  I don't add any testcases as it is
currently designed only for how Cavium's Simple-exec works in that each core
writes out its own gcda file.