Re: RFA: patch solving PR/37377

[Vladimir Makarov <vmakarov at redhat dot com>]

Eric Botcazou wrote:
> > The following patch solving PR/37377.  The analysis of the problem can
> > be found on
> >
> > http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37377
> >
> > The patch was successfully bootstrapped on 4 platforms: x86, x86_64,
> > ppc64, and itanium.
> >     
>
> Thanks for fixing the problem.
>
>   
> > The patch might solve bootstrap problems on sparc and alpha.  But I am
> > not sure about it.
> >     
>
> SPARC and Alpha are already fixed as of this writing. :-)
>
>   
> > 2008-09-08  Vladimir Makarov  <vmakarov@redhat.com>
> >
> >     PR rtl-opt/37377
> >
> >     * ira-build.c (common_loop_tree_node_dominator): Remove.
> >     (copy_live_ranges_to_removed_store_destinations): New function.
> >     (regno_top_level_allocno_map): Move to top level from ...
> >     (ira_flattening): ... here.  Use
> >     copy_live_ranges_to_removed_store_destinations.
> >
> >     * ira-emit.c (generate_edge_moves): Fix a comment.
> >     
>
> Given that I debugged the problem and that it's formally an RTL optimization, 
> I think I can approve the patch, so OK for mainline.
>
>   
Thanks, Eric. By the way your analysis was very useful.  I've just 
committed the patch.