On Fri, 1 Mar 2013, Jakub Jelinek wrote:
> Hi!
>
> For the modifier == NONE && !slp_node case we call vect_get_vec_defs, so
> we overwrite vec_oprnds0, thus we shouldn't allocate it.
>
> Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?
Ok.
Thanks,
Richard.
> 2013-03-01 Jakub Jelinek <ja...@redhat.com>
>
> PR middle-end/56461
> * tree-vect-stmts.c (vectorizable_conversion): Don't call
> vec_oprnds0.create (1) for modifier == NONE.
>
> --- gcc/tree-vect-stmts.c.jj 2013-03-01 11:59:03.000000000 +0100
> +++ gcc/tree-vect-stmts.c 2013-03-01 12:39:08.521188115 +0100
> @@ -2616,15 +2616,13 @@ vectorizable_conversion (gimple stmt, gi
>
> if (!slp_node)
> {
> - if (modifier == NONE)
> - vec_oprnds0.create (1);
> - else if (modifier == WIDEN)
> + if (modifier == WIDEN)
> {
> vec_oprnds0.create (multi_step_cvt ? vect_pow2(multi_step_cvt) : 1);
> if (op_type == binary_op)
> vec_oprnds1.create (1);
> }
> - else
> + else if (modifier == NARROW)
> vec_oprnds0.create (
> 2 * (multi_step_cvt ? vect_pow2 (multi_step_cvt) : 1));
> }
>
> Jakub
>
>
--
Richard Biener <rguent...@suse.de>
SUSE / SUSE Labs
SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746
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