https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85939
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
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.
