Introduce a new option -fopt-info:
* fopt-info=0 or fno-opt-info: no message will be emitted.
* fopt-info or fopt-info=1: emit important warnings and optimization
messages with large performance impact.
* fopt-info=2: warnings and optimization messages targeting power users.
* fopt-info=3: informational messages for compiler developers.
Suppress verbose notes/warnings printed in FDO-use compilation.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/google@180269 138bc75d-0d04-0410-961f-82ee72b054a4
13 files changed: