64-bit cleanlinest of gfortran

[Scott Robert Ladd]

On Mon, 13 Dec 2004 16:29:43 -0800, Steve Kargl
<sgk@troutmask.apl.washington.edu> wrote:
> Has anyone looked at the gfortran code for its cleanliness
> with respect to a 64-bit OS?  I reported very good
> success with building and running netlib's LAPACK
> code.  That success was on i386-*-FreeBSD6.0.  I am
> having spectacular failure on amd64-*-FreeBSD6.0.  If
> the LAPACK tests do not die with a BUS ERROR, then the
> single and double complex tests produce hundreds of
> failures.  These failures are producing conditions
> numbers on the order of 1e16.  Can someone, using
> a different 64-bit OS, build and run the LAPACK test
> program?

I haven't tried the LAPACK test, but I've had considerable trouble
with gfortran (and GCC in general) on my AMD64 hardware. By default,
GCC generates code for SSE and SSE2 on AMD64 -- and currently,
SSE/SSE2 generation is broken in several ways.

..Scott