[Bug middle-end/77475] unnecessary or misleading context in reporting command line problems

["jakub at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77475

--- Comment #6 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Thu Sep 15 12:26:39 2016
New Revision: 240162

URL: https://gcc.gnu.org/viewcvs?rev=240162&root=gcc&view=rev
Log:
        PR middle-end/77475
        * config/i386/i386.c (ix86_parse_stringop_strategy_string): Simplify,
        use %qs instead of %s where desirable, use argument instead of arg in
        the diagnostic wording, add list of supported strategies and
        spellcheck hint.
        (ix86_option_override_internal): Emit target("m...") instead of
        option("m...") in the diagnostic.  Use %qs instead of %s in invalid
        -march/-mtune option diagnostic.  Add list of supported arches/tunings
        and spellcheck hint.  Remove prefix, suffix and sw variables, use
        main_args_p ? "..." : "..." in diagnostics to make translation
        possible.

        * gcc.target/i386/pr65990.c: Adjust expected diagnostics.
        * gcc.dg/march-generic.c: Likewise.
        * gcc.target/i386/spellcheck-options-1.c: New test.
        * gcc.target/i386/spellcheck-options-2.c: New test.
        * gcc.target/i386/spellcheck-options-3.c: New test.
        * gcc.target/i386/spellcheck-options-4.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/spellcheck-options-1.c
    trunk/gcc/testsuite/gcc.target/i386/spellcheck-options-2.c
    trunk/gcc/testsuite/gcc.target/i386/spellcheck-options-3.c
    trunk/gcc/testsuite/gcc.target/i386/spellcheck-options-4.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.dg/march-generic.c
    trunk/gcc/testsuite/gcc.target/i386/pr65990.c