When compiling any fortran program on Intel Darwin with -m64 -ffast-math, I get the following warning:
ld64 warning: in /opt/gcc/gcc4.3w/lib/gcc/i686-apple-darwin8/4.3.0/x86_64/crtfastmath.o, file is not of required architecture This yields the failure of gfortran.dg/pr32533.f90 and gfortran.dg/pr33794.f90. -- Summary: Warning when compiling with -m64 -ffast-math on Intel Darwin Product: gcc Version: 4.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned at gcc dot gnu dot org ReportedBy: dominiq at lps dot ens dot fr GCC build triplet: i686-apple-darwin8 GCC host triplet: i686-apple-darwin8 GCC target triplet: i686-apple-darwin8 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=34025