This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: [doc, testsuite, libgfortran] Avoid use of SSE/SSE2/SSE3 on Solaris 8/9 x86


On Fri, Jul 9, 2010 at 9:53 AM, Rainer Orth <ro@cebitec.uni-bielefeld.de> wrote:
> "H.J. Lu" <hjl.tools@gmail.com> writes:
>
>> Will '-march=native" work on such systems?
>
> Not on Solaris 8 or older Solaris 9. ?E.g. on S8, -march=native passes
> -march=k8-sse3, which may break.
>

If your OS doesn't support SSE, but -march=native may generate SSE
instructions, then you get a big problem.


-- 
H.J.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]