diff --git a/gcc/gimple-fold.c b/gcc/gimple-fold.c index 6beb4f3d3050152ee4f971830dc17cd18613090b..74ec36e3a781d1d509498f4308177bd9bf63ee11 100644 --- a/gcc/gimple-fold.c +++ b/gcc/gimple-fold.c @@ -311,27 +311,28 @@ get_symbol_constant_value (tree sym) static tree maybe_fold_reference (tree expr) { - tree result; + tree result = NULL_TREE; if ((TREE_CODE (expr) == VIEW_CONVERT_EXPR || TREE_CODE (expr) == REALPART_EXPR || TREE_CODE (expr) == IMAGPART_EXPR) && CONSTANT_CLASS_P (TREE_OPERAND (expr, 0))) - return fold_unary_loc (EXPR_LOCATION (expr), - TREE_CODE (expr), - TREE_TYPE (expr), - TREE_OPERAND (expr, 0)); - else if (TREE_CODE (expr) == BIT_FIELD_REF - && CONSTANT_CLASS_P (TREE_OPERAND (expr, 0))) - return fold_ternary_loc (EXPR_LOCATION (expr), + result = fold_unary_loc (EXPR_LOCATION (expr), TREE_CODE (expr), TREE_TYPE (expr), - TREE_OPERAND (expr, 0), - TREE_OPERAND (expr, 1), - TREE_OPERAND (expr, 2)); + TREE_OPERAND (expr, 0)); + else if (TREE_CODE (expr) == BIT_FIELD_REF + && CONSTANT_CLASS_P (TREE_OPERAND (expr, 0))) + result = fold_ternary_loc (EXPR_LOCATION (expr), + TREE_CODE (expr), + TREE_TYPE (expr), + TREE_OPERAND (expr, 0), + TREE_OPERAND (expr, 1), + TREE_OPERAND (expr, 2)); + else + result = fold_const_aggregate_ref (expr); - if ((result = fold_const_aggregate_ref (expr)) - && is_gimple_min_invariant (result)) + if (result && is_gimple_min_invariant (result)) return result; return NULL_TREE;