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[Bug tree-optimization/49093] [4.6/4.7 Regression] ICE in vect_enhance_data_refs_alignment() with volatile inside peeled loop
- From: "rguenther at suse dot de" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 31 May 2011 09:10:25 +0000
- Subject: [Bug tree-optimization/49093] [4.6/4.7 Regression] ICE in vect_enhance_data_refs_alignment() with volatile inside peeled loop
- Auto-submitted: auto-generated
- References: <bug-49093-4@http.gcc.gnu.org/bugzilla/>
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.