On Fri, 4 Jul 2014, Kyrill Tkachov wrote: > These end up taking different codepaths through the compiler () because > __builtin_lround has to take -fmath-errno into account and does not end up > getting inlined (generating a call to the library lround).
That suggests this transformation is buggy unless -fno-math-errno is used (given the existence of cases where round + cast must not set errno, but lround may). A bug should be filed in Bugzilla for this. -- Joseph S. Myers jos...@codesourcery.com
