[Bug target/59588] No need to check "generic" nor change "i686" for -mtune=

[hjl at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59588

--- Comment #3 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Thu Dec 26 16:10:55 2013
New Revision: 206213

URL: http://gcc.gnu.org/viewcvs?rev=206213&root=gcc&view=rev
Log:
Don't check/change generic/i686 tuning

gcc/

    PR target/59588
    * config/i386/i386.c (ix86_option_override_internal): Don't
    check generic tuning.  Don't change i686 tuning.

gcc/testsuite/

    PR target/59588
    * gcc.target/i386/pr59588-1.c: New file.
    * gcc.target/i386/pr59588-2.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr59588-1.c
    trunk/gcc/testsuite/gcc.target/i386/pr59588-2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog