------- Comment #6 from rguenth at gcc dot gnu dot org 2010-06-27 08:50 ------- Indeed. It's exposed by that patch.
DOM, from seeing x_2(D) != 0.0 records x_2(D) == 0.0 as equivalence. This is not correct if signed zeros can appear. I have a patch. -- rguenth at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |rguenth at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED Component|rtl-optimization |tree-optimization Last reconfirmed|2010-06-26 22:57:46 |2010-06-27 08:50:38 date| | http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44683