https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83338
--- Comment #7 from Marc Glisse <glisse at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #6)
> This works for me, but I'll leave testcase and testing for tomorrow.
You are fast :-)
> @@ -5546,6 +5554,15 @@ vectorizable_operation (gimple *stmt, gi
> new_temp = make_ssa_name (vec_dest, new_stmt);
> gimple_assign_set_lhs (new_stmt, new_temp);
> vect_finish_stmt_generation (stmt, new_stmt, gsi);
> + if (vec_cvt_dest)
> + {
> + new_temp = build1 (VIEW_CONVERT_EXPR, vectype_out, new_temp);
> + new_stmt = gimple_build_assign (vec_cvt_dest, VIEW_CONVERT_EXPR,
> + new_temp);
> + new_temp = make_ssa_name (vec_cvt_dest, new_stmt);
> + gimple_assign_set_lhs (new_stmt, new_temp);
> + vect_finish_stmt_generation (stmt, new_stmt, gsi);
> + }
I was thinking of putting the whole thing here without special-casing
POINTER_DIFF_EXPR so much. Something like:
if(vectype_out != vectype) // or useless_type_conversion_p
{
// create vec_cvt_dest and the VCE assignment
}
