------- Comment #11 from burnus at gcc dot gnu dot org 2009-07-08 14:55 ------- Created an attachment (id=18158) --> (http://gcc.gnu.org/bugzilla/attachment.cgi?id=18158&action=view) Patch - lightly tested
Attached patch fixes the problem [independent of "-f(no-)signed-zeros"/-ffast-math]. The crucial option is "-fno-sign-zero" (which shall not be confused with -f(no-)signed-zeros): $ gfortran -O3 -fno-sign-zero ahfj.f90 && ./a.out With val = 0.0000000 test = 0.0000000 pass -- burnus at gcc dot gnu dot org changed: What |Removed |Added ---------------------------------------------------------------------------- AssignedTo|unassigned at gcc dot gnu |burnus at gcc dot gnu dot |dot org |org Status|NEW |ASSIGNED http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40675