[Bug tree-optimization/68956] [6 regression] Vectorizer miscompilation of 416.gamess

[ienkovich at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68956

--- Comment #2 from Ilya Enkovich <ienkovich at gcc dot gnu.org> ---
Caused by a misprint.  Here is a patch:

--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -1304,8 +1304,8 @@ vect_init_vector (gimple *stmt, tree val, tree type,
gimple_stmt_iterator *gsi)
             all zeros or all ones value before building a vector.  */
          if (VECTOR_BOOLEAN_TYPE_P (type))
            {
-             tree true_val = build_zero_cst (TREE_TYPE (type));
-             tree false_val = build_all_ones_cst (TREE_TYPE (type));
+             tree true_val = build_all_ones_cst (TREE_TYPE (type));
+             tree false_val = build_zero_cst (TREE_TYPE (type));

              if (CONSTANT_CLASS_P (val))
                val = integer_zerop (val) ? false_val : true_val;