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Subject: [Bug tree-optimization/49093] [4.6/4.7 Regression] ICE in vect_enhance_data_refs_alignment() with volatile inside peeled loop
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49093

--- Comment #8 from rguenther at suse dot de <rguenther at suse dot de> 2011-05-31 09:09:37 UTC ---
On Tue, 31 May 2011, irar at il dot ibm.com wrote:

> http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49093
> 
> --- Comment #7 from Ira Rosen <irar at il dot ibm.com> 2011-05-31 09:06:04 UTC ---
> I am testing this patch then:
> 
> Index: tree-vect-data-refs.c
> ===================================================================
> --- tree-vect-data-refs.c       (revision 174467)
> +++ tree-vect-data-refs.c       (working copy)
> @@ -2584,6 +2584,16 @@ vect_analyze_data_refs (loop_vec_info lo
>              return false;
>          }
> 
> +      if (TYPE_VOLATILE (TREE_TYPE (DR_REF (dr))))

 if (TREE_THIS_VOLATILE (DR_REF (dr)))

instead.

Richard.