[Bug c/50444] -ftree-isa ignores alignment

[rguenther at suse dot de]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50444

--- Comment #5 from rguenther at suse dot de <rguenther at suse dot de> 2011-09-27 08:52:06 UTC ---
On Mon, 26 Sep 2011, hjl.tools at gmail dot com wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50444
> 
> H.J. Lu <hjl.tools at gmail dot com> changed:
> 
>            What    |Removed                     |Added
> ----------------------------------------------------------------------------
>                  CC|                            |jamborm at gcc dot gnu.org
>             Summary|unaligned movdqa            |-ftree-isa ignores
>                    |instruction after inlining  |alignment
> 
> --- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> 2011-09-26 17:39:41 UTC ---
> -ftree-isa ignores alignment and generates:
> 
> 
>   SR.11_17 = SR.10_18;
>   MEM[(struct Engine *)e_1(D) + 40B].m = SR.11_17;
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> 
> This is wrong.

Ah, so we now have the SSE testcase ;)