[Bug driver/83193] Help for invalid -march= options from cc1 omits -march=native on x86-64, arm. aarch64, output also inconsistent

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83193

--- Comment #11 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Wed Feb 21 14:05:45 2018
New Revision: 257874

URL: https://gcc.gnu.org/viewcvs?rev=257874&root=gcc&view=rev
Log:
Add "native" as a valid option value for -march= on aarch64 (PR driver/83193).

2018-02-21  Martin Liska  <mli...@suse.cz>

        PR driver/83193
        * config/aarch64/aarch64.c (aarch64_print_hint_for_core_or_arch):
        Add "native" as a possible value.
        * config/aarch64/aarch64.h (HAVE_LOCAL_CPU_DETECT):  Define
        the macro when native cpu detection is available.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.h