------- Comment #1 from ubizjak at gmail dot com 2008-01-08 08:42 ------- Hm, I don't see the reason, why this is a regression. What this PR shows is the limitation of the precision of rcpss instruction.
Actually, this 2ulp precision is the reason, why -mrecip is not enabled by default for -ffast-math. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34702
