[Bug target/85939] -mstackrealign does not realign stack with local __m64 variable

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85939

Uroš Bizjak <ubizjak at gmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |hjl.tools at gmail dot com

--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Florian Weimer from comment #3)
> (In reply to Uroš Bizjak from comment #1)
> > Please also use -mincoming-stack-boundary=2 to tell the compiler about
> > possible incoming stack (mis)alignment.
> 
> This does change the result; alignment is performed.  This is not
> documented.  I'm not sure what the intent is here.
> 
> (In reply to Uroš Bizjak from comment #2)
> > FYI, -mstackrealign applies only to main ().
> 
> I don't think this is true.  In the example, stack alignment is performed if
> I use __m128 instead of __m64.

Let's add HJ to CC, maybe he can shed some light on this option.