Re: [PATCH][ARM][gas] Fix warnings about uninitialised uses and unused const variables

[Kyrill Tkachov <kyrylo dot tkachov at foss dot arm dot com>]

Ping.
https://sourceware.org/ml/binutils/2016-04/msg00466.html

Thanks,
Kyrill

On 29/04/16 15:39, Kyrill Tkachov wrote:
> Hi all,
>
> I recently upgraded my host compiler to GCC 6.1.0 and while trying to build a
> cross toolchain for arm-none-eabi I've encountered some -Werror errors in tc-arm.c
> This patch fixes them.
>
> Some static const variables that are unused are marked with ATTRIBUTE_UNUSED.
> In parse_neon_el_struct_list GCC complains that firsttype.index may be used
> uninitialized in an inlined neon_alias_types_same call.
> This patch initialises the fields firsttype to prevent that.
>
> With this patch the gas build succeeds for me.
> Tested with make check-gas for arm-none-eabi.
>
> Ok to commit?
>
> Thanks,
> Kyrill
>
> 2016-04-29  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
>
>     * config/tc-arm.c (fpu_arch_vfp_v1): Mark with ATTRIBUTE_UNUSED.
>     (fpu_arch_vfp_v3): Likewise.
>     (fpu_arch_neon_v1): Likewise.
>     (arm_arch_full): Likewise.
>     (parse_neon_el_struct_list): Initialize fields of firsttype.