[Mesa-dev] [Bug 87658] [llvmpipe] SEGV in sse2_has_daz on ancient Pentium4-M

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87658

--- Comment #21 from Roland Scheidegger <sroland at vmware.com> ---
(In reply to Chris Paulson-Ellis from comment #20)
> (In reply to Roland Scheidegger from comment #19)
> > Maybe using
> > PIPE_ALIGN_STACK static INLINE boolean sse2_has_daz(void)
> > would do the trick. I guess the PIPE_ALIGN_VAR on a stack'ed variable isn't
> > working otherwise. Not sure though this works on inlined functions?
> 
> This seems to work. Without PIPE_ALIGN_STACK, fxarea has an 8-byte aligned
> address, but with PIPE_ALIGN_STACK it is 16-byte aligned and the SEGV goes
> away.
> 
> If preparing a final patch, remember that I had to add -mfxsr to CFLAGS to
> get the patch using __builtin_ia32_fxsave to compile.
> 
> Thanks,
> Chris.

I don't feel like messing with compile flags for now, so I'm not going to
change anything not strictly required to fix this bug.

-- 
You are receiving this mail because:
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/mesa-dev/attachments/20141231/65c68482/attachment.html>