diff options
Diffstat (limited to 'gcc/tree-vect-stmts.c')
| -rw-r--r-- | gcc/tree-vect-stmts.c | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 3b078da..5bb2289 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -1300,7 +1300,25 @@ vect_init_vector (gimple *stmt, tree val, tree type, gimple_stmt_iterator *gsi) { if (!types_compatible_p (TREE_TYPE (type), TREE_TYPE (val))) { - if (CONSTANT_CLASS_P (val)) + /* Scalar boolean value should be transformed into + 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)); + + if (CONSTANT_CLASS_P (val)) + val = integer_zerop (val) ? false_val : true_val; + else + { + new_temp = make_ssa_name (TREE_TYPE (type)); + init_stmt = gimple_build_assign (new_temp, COND_EXPR, + val, true_val, false_val); + vect_init_vector_1 (stmt, init_stmt, gsi); + val = new_temp; + } + } + else if (CONSTANT_CLASS_P (val)) val = fold_convert (TREE_TYPE (type), val); else { |