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Re: [PATCH] i386: Do not attempt to change stack alignment
On Mai 22 2018, Florian Weimer <fweimer@redhat.com> wrote:
> On 05/22/2018 11:33 AM, Andreas Schwab wrote:
>> On Mai 22 2018, Florian Weimer <fweimer@redhat.com> wrote:
>>
>>> On 05/22/2018 11:21 AM, Andreas Schwab wrote:
>>>> On Mai 22 2018, fweimer@redhat.com (Florian Weimer) wrote:
>>>>
>>>>> All supported GCC versions handle stack alignment as expected.
>>>>
>>>> Can you explain what is expected here?
>>>
>>> As required by the current i386 ABI.
>>
>> What is required, and how has the situation changed?
>
> This was the stack alignment ABI change for the introduction of the SSE2
> ABI, so it's ancient history.
Are you sure? Glibc used to use -mpreferred-stack-boundary=2, so I
don't see how that is related to GCC.
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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