[PATCH] Provide extension hint for aarch64 target (PR driver/83193).

[Martin Liška]

PING^1

On 07/18/2018 05:49 PM, Martin Liška wrote:
> Hi.
> 
> This patch improves aarch64 feature modifier hints.
> 
> May I please ask ARM folks to test the patch?
> Thanks,
> Martin
> 
> gcc/ChangeLog:
> 
> 2018-07-18  Martin Liska  <mliska@suse.cz>
> 
>         PR driver/83193
> 	* common/config/aarch64/aarch64-common.c (aarch64_parse_extension):
>         Set invalid_extension when there's any.
> 	(aarch64_get_all_extension_candidates): New function.
> 	(aarch64_rewrite_selected_cpu): Pass NULL as new argument.
> 	* config/aarch64/aarch64-protos.h (aarch64_get_all_extension_candidates):
>         Declare new function.
> 	* config/aarch64/aarch64.c (aarch64_parse_arch): Record
>         invalid_feature.
> 	(aarch64_parse_cpu): Likewise.
> 	(aarch64_print_hint_for_feature_modifier): New.
> 	(aarch64_validate_mcpu): Record invalid feature modifier
>         and print hint for it.
> 	(aarch64_validate_march): Likewise.
> 	(aarch64_handle_attr_arch): Likewise.
> 	(aarch64_handle_attr_cpu): Likewise.
> 	(aarch64_handle_attr_isa_flags): Likewise.
> 
> gcc/testsuite/ChangeLog:
> 
> 2018-07-18  Martin Liska  <mliska@suse.cz>
> 
>         PR driver/83193
> 	* gcc.target/aarch64/spellcheck_7.c: New test.
> 	* gcc.target/aarch64/spellcheck_8.c: New test.
> ---
>  gcc/common/config/aarch64/aarch64-common.c    | 20 +++++-
>  gcc/config/aarch64/aarch64-protos.h           |  4 +-
>  gcc/config/aarch64/aarch64.c                  | 67 +++++++++++++++----
>  .../gcc.target/aarch64/spellcheck_7.c         | 11 +++
>  .../gcc.target/aarch64/spellcheck_8.c         | 12 ++++
>  5 files changed, 97 insertions(+), 17 deletions(-)
>  create mode 100644 gcc/testsuite/gcc.target/aarch64/spellcheck_7.c
>  create mode 100644 gcc/testsuite/gcc.target/aarch64/spellcheck_8.c
> 
>