[PATCH RTEMS] spec: Add -mstrict-align to mvme2100 default build

[Vijay Kumar Banerjee]

On Wed, Aug 9, 2023 at 11:41 AM Joel Sherrill <joel at rtems.org> wrote:
>
> Reading the EPICS discussion, I wonder if this should be added for all motorola_powerpc BSP variants.
>
MVME2700 and the qemu variants already add it separately
https://git.rtems.org/rtems/tree/spec/build/bsps/powerpc/motorola_powerpc/abi.yml#n24

> Gedare/Chris/anyone with another board in the family? What do you think?

2700 works for me, and it already has the flag added.

>
> --joel
>
> On Wed, Aug 9, 2023 at 11:14 AM Uchenna Ezeobi <uchenna.ezeobi3 at gmail.com> wrote:
>>
>> On Wed, Aug 9, 2023 at 9:22 AM Joel Sherrill <joel at rtems.org> wrote:
>> >
>> > I'm ok with this if there is a known case of an alignment exception that causes this.
>> >
>>  We were getting the error from the
>> https://github.com/epics-base/epics-base/issues/29 while trying to
>> build EPICS on RTEMS-MVME2100, doing this fixed the error.
>>
>> > We didn't want to force it into every PowerPC BSP.
>> >
>> > Do you have a case that failed and was resolved by adding this?
>> >
>> > On Wed, Aug 9, 2023 at 7:36 AM Uchenna Ezeobi <uchenna.ezeobi3 at gmail.com> wrote:
>> >>
>> >> Update #3767
>> >> ---
>> >>  spec/build/bsps/powerpc/motorola_powerpc/abi.yml | 4 ++++
>> >>  1 file changed, 4 insertions(+)
>> >>
>> >> diff --git a/spec/build/bsps/powerpc/motorola_powerpc/abi.yml b/spec/build/bsps/powerpc/motorola_powerpc/abi.yml
>> >> index 6734e9babf..2438c30f1d 100644
>> >> --- a/spec/build/bsps/powerpc/motorola_powerpc/abi.yml
>> >> +++ b/spec/build/bsps/powerpc/motorola_powerpc/abi.yml
>> >> @@ -17,6 +17,10 @@ default:
>> >>    - -mcpu=powerpc
>> >>    - -mmultiple
>> >>    - -mstrict-align
>> >> +- enabled-by: [powerpc/mvme2100]
>> >> +  value:
>> >> +  - -mcpu=603e
>> >> +  - -mstrict-align
>> >>  - enabled-by: [powerpc/mvme2307, powerpc/mvme2700]
>> >>    value:
>> >>    - -mcpu=604
>> >> --
>> >> 2.39.3
>> >>
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>
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