ast2firm: Implement casting from complex to real types.

[cparser] / ast2firm.c

diff --git a/ast2firm.c b/ast2firm.c
index d9a0df5..2e85c8a 100644 (file)
--- a/ast2firm.c
+++ b/ast2firm.c
@@ -2207,10 +2207,13 @@ static ir_node *create_cast(unary_expression_t const *const expr)
        if (is_type_void(type))
                return NULL;
 
-       ir_node        *value     = expression_to_value(expr->value);
-       dbg_info *const dbgi      = get_dbg_info(&expr->base.pos);
-       type_t   *const from_type = skip_typeref(expr->value->base.type);
-       ir_mode  *const mode      = get_ir_mode_storage(type);
+       type_t  *const from_type = skip_typeref(expr->value->base.type);
+       ir_node       *value     = is_type_complex(from_type)
+               ? expression_to_complex(expr->value).real
+               : expression_to_value(expr->value);
+
+       dbg_info *const dbgi = get_dbg_info(&expr->base.pos);
+       ir_mode  *const mode = get_ir_mode_storage(type);
        /* check for conversion from / to __based types */
        if (is_type_pointer(type) && is_type_pointer(from_type)) {
                const variable_t *from_var = from_type->pointer.base_variable;