Hello!

Attached patch fixes the buggy part of PR67310, where VIA CPU is
detected incorrectly, and: "-march=core2 -mtune=i386" is passed from
the driver to the compiler.

The patched driver now emits "-march=core2 -mtune=generic", since the
driver handles VIA target through "Use something reasonable" part, as
there are no entries for VIA CPUs in processor alias tables. This will
be added in a follow-up patch.



2016-06-01  Uros Bizjak  <ubizjak@gmail.com>
        Jocelyn Mayer  <l_indien@magic.fr>

    PR target/67310
    * config/i386/driver-i386.c (host_detect_local_cpu): Correctly
    detect processor family for signature_CENTAUR_ebx.
    <case PROCESSOR_I486>: Pass c3, winchip2 or winchip-c6 for
    signature_CENTAUR_ebx.
    <case PROCESSOR _PENTIUMPRO>: Pass c3-2 for signature_CENTAUR_ebx.
    <default>: Pass x86-64 for has_longmode.

Patch was bootstrapped and regression tested on x86_64-linux-gnu
{,-m32}. The patch was also tested by Jocelyn on VIA target.

Patch was committed to mainline SVN. Since attached patch fixes a bug,
it will be backported after a week or so without problems to other
release branches.

Uros.