------- Comment #2 from joseph at codesourcery dot com 2008-02-14 23:09 ------- Subject: Re: [4.1/4.2/4.3 Regression] exp->expf transformation incorrect with -fmath-errno
On Thu, 14 Feb 2008, rguenth at gcc dot gnu dot org wrote: > Clarification would be much appreciated here, and I would like to effectively > make our default (-ferrno-math -ftrapping-math) be changed to > -fno-errno-math -ftrapping-math and providing math_errhandling == > MATH_ERREXCEPT > by GCC, overriding the library. Allowing this (not setting errno in certain cases) is an incompatible quiet change in C99 relative to C90, so I'm not convinced it's a good idea even in C99 mode. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35202