[PATCH] i386: Do not attempt to change stack alignment

Florian Weimer fweimer@redhat.com
Tue May 22 12:56:00 GMT 2018


On 05/22/2018 02:33 PM, Andreas Schwab wrote:
> On Mai 22 2018, Florian Weimer <fweimer@redhat.com> wrote:
> 
>> On 05/22/2018 12:24 PM, Andreas Schwab wrote:
>>> On Mai 22 2018, Florian Weimer<fweimer@redhat.com>  wrote:
>>>
>>>> I don't really understand what you are after
>>>> here. -mpreferred-stack-boundary=4 is the default, so the Makefile bits I
>>>> removed are just a cleanup that was missed when the (rather broken)
>>>> -mpreferred-stack-boundary=2 flag was removed.
>>
>>> My issue is that this has nothing to do with GCC, but with our (former)
>>> use of the option.  Your summary is misleading.
>>
>> Do you think this wording is an improvement?
>>
>> Thanks,
>> Florian
>>
>> Subject: [PATCH] i386: Drop -mpreferred-stack-boundary=4
>> To: libc-alpha@sourceware.org
>>
>> GCC uses it by default.
> 
> I think you should just say "We no longer use
> -mpreferred-stack-boundary=2".  That was the only reason for the need to
> override it -mpreferred-stack-boundary=4.  The reference to GCC is a red
> herring.

What about this?

| i386: Drop -mpreferred-stack-boundary=4
|
| The flag was a left-over from when the -mpreferred-stack-boundary=2 flag
| was removed in commit db290cf59207aff09d1794e666e2854a93775f32.

Thanks,
Florian



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