http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47692
--- Comment #8 from Steve Kargl <sgk at troutmask dot apl.washington.edu> 2011-02-11 20:23:14 UTC --- On Fri, Feb 11, 2011 at 07:56:05PM +0000, jrt at worldlinc dot net wrote: > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47692 > > --- Comment #6 from John T <jrt at worldlinc dot net> 2011-02-11 19:56:02 UTC > --- > I built the reference BLAS included with Lapack from source. I just got the > results from blas_testing using gcc-4.4.5 and results good again. I don't know > where to find the raw results from lapack and blas testing. Should there be an > ieee flag in compiler settings? Any flags on how to round? > > My flags were: > # > FORTRAN = gfortran -fimplicit-none -g > OPTS = -O3 > DRVOPTS = $(OPTS) > NOOPT = -g -O0 > LOADER = gfortran -g > LOADOPTS = > I just built the blas included with lapack-3.3.0 with -O3 of x86_64-*-freebsd with 4.5.3 and 4.6.0 (a fews old version). There were no errors. Can you rebuild with -O and see if you have problems? If you have problems with -O, can you then use -O0 -ffloat-store?
