------- Comment #23 from ubizjak at gmail dot com 2007-06-11 05:51 ------- (In reply to comment #22)
> At some point icc did such transformations (for 1/x and sqrt) but, apparently, > they're now removed. It didn't bother to plug every holes (ie wrt infinities) > but at least got the case of 0 covered even when set lose; it's cheap to do. > I've repeatedly been pointed to the peculiar semantic of -ffast-math in the > past, so i know there's little chance for me to succeed, but would it be > possible to consider that as an option? But both, rcpss and rsqrtss handle infinties correctly (they return zero) and return [-]inf when [-]0.0 is used as an argument. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31723
