http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59534
--- Comment #8 from Uroš Bizjak <ubizjak at gmail dot com> --- (In reply to Andrew Pinski from comment #6) > We are doing the correct thing for this testcase (the testcase should change > also) though most likely you can generate a testcase which short-circuits > the check. Let's ask a nice fortraner to fix the testcase then... > And then we should add a check for trapping of the comparisons. IEEE exception handling is not yet implemented, but alpha traps on denormals by default (that is how the problem was discovered). OTOH, if I add -mieee to the compile options, the exception on alpha goes away (as expected).