-march=native failing on Windows laptop

[Steve Kargl]

On Wed, Nov 27, 2013 at 02:26:27PM -0500, Tim Prince wrote:
> If I compile using -march=native under cygwin gfortran 4.8.2 my run 
> hangs.  -march=corei7-avx works well.  It's reporting
> Intel(R) Core(TM) i5-4200U CPU @ 1.60 when reading a copy of /proc/cpuinfo.
> 

gfortran, the front-end, does not make use of any -march=
related information.  -march= would be back-end related, so
you probably need to report this to the general gcc@gcc.gnu.org
list.  If open a bug report, having the assembly generated
with both options would be helpful.

-- 
Steve