http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54192
Bug #: 54192 Summary: -fno-trapping-math by default? Classification: Unclassified Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassig...@gcc.gnu.org ReportedBy: gli...@gcc.gnu.org Hello, I am not sure about the "component" (I am actually more interested in the C++ behavior, but I assume C and C++ will remain the same), or about posting this to bugzilla instead of the mailing-list. I would like to know people's opinion about making -fno-trapping-math the default. One strong argument in favor is that -fno-rounding-math is the default. The 2 options are quite similar. They both affect "special" use of maths, they both inhibit a number of optimizations, and they both have bugs (not trying to offend anyone here, it is already great that the options are as far as they are). As someone who needs -frounding-math and for whom -fno-trapping-math is safe and helps performance, you can see why I'd like to change it ;-)