[Bug bootstrap/59580] --with-arch=generic is allowed to configure GCC

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59580

--- Comment #1 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Sat Jan 18 13:25:40 2014
New Revision: 206756

URL: http://gcc.gnu.org/viewcvs?rev=206756&root=gcc&view=rev
Log:
Update x86 --with-arch/--with-cpu= configure handling

    PR bootstrap/59580
    PR bootstrap/59583
    * config.gcc (x86_archs): New variable.
    (x86_64_archs): Likewise.
    (x86_cpus): Likewise.
    Use $x86_archs, $x86_64_archs and $x86_cpus to check valid
    --with-arch/--with-cpu= options.
    Support --with-arch=/--with-cpu={nehalem,westmere,
    sandybridge,ivybridge,haswell,broadwell,bonnell,silvermont}.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config.gcc