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[Bug tree-optimization/33953] [4.3 regression] internal compiler error: vector VEC(tree,base) index domain error, in vectorizable_operation at tree-vect-transform.c:4017
- From: "irar at il dot ibm dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 6 Nov 2007 13:17:14 -0000
- Subject: [Bug tree-optimization/33953] [4.3 regression] internal compiler error: vector VEC(tree,base) index domain error, in vectorizable_operation at tree-vect-transform.c:4017
- References: <bug-33953-5606@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #8 from irar at il dot ibm dot com 2007-11-06 13:17 -------
(In reply to comment #6)
> (In reply to comment #2)
> > For example vect_get_vec_defs_for_stmt_copy
> > doesn't allocate the VECs which is exactly what causes the problem here.
>
> vect_get_vec_defs_for_stmt_copy is not called here, it is used to create vector
> copies in case of multiple types in the loop. It should reuse the VEC used for
> the first copy. I think, there is indeed a problem here. We should overwrite
> the existing entries and not push the new ones. I'll look into this.
I thought that there is a problem, because I missed the first pop there. I
think this function is O.K.
Ira
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33953