[PATCH] Fix tst-getpid{1,2} on ia64

[Andreas Schwab]

Jakub Jelinek <jakub@redhat.com> writes:

> On Tue, Mar 08, 2005 at 05:20:54PM +0100, Andreas Schwab wrote:
>> Jakub Jelinek <jakub@redhat.com> writes:
>> 
>> > Now, either we require direct clone/__clone2 users to make sure
>> > the stack passed to it is sufficiently aligned
>> 
>> Would __attribute__((aligned)) work here?
>
> On IA-64 yes, but is __attribute__((aligned)) on all architectures
> equal to the needed stack alignment?

It can't be worse than the current situation.

> If it is bigger than stack alignment, GCC disregards it (or just aligns
> to stack alignment?), if it is on some arch smaller than needed stack
> alignment, then it will not help.

IMHO it should be ok for now.  GCC already needs to know how to keep the
stack aligned anyway.

Andreas.

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Andreas Schwab, SuSE Labs, schwab@suse.de
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