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gtype: small optimization

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These warnings are never seen at runtime, so they
are evidently very unlikely. Tell the compiler that.
This commit is contained in:
Matthias Clasen 2022-05-15 22:12:58 -04:00
parent 6b5b1cd314
commit c492f4aec2
1 changed files with 6 additions and 6 deletions
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12
gobject/gtype.c
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@ -1858,13 +1858,13 @@ g_type_create_instance (GType type)
guint i;
node = lookup_type_node_I (type);
if (!node || !node->is_instantiatable)
if (G_UNLIKELY (!node || !node->is_instantiatable))
{
g_error ("cannot create new instance of invalid (non-instantiatable) type '%s'",
type_descriptive_name_I (type));
}
/* G_TYPE_IS_ABSTRACT() is an external call: _U */
if (!node->mutatable_check_cache && G_TYPE_IS_ABSTRACT (type))
if (G_UNLIKELY (!node->mutatable_check_cache && G_TYPE_IS_ABSTRACT (type)))
{
g_error ("cannot create instance of abstract (non-instantiatable) type '%s'",
type_descriptive_name_I (type));
@ -1893,7 +1893,7 @@ g_type_create_instance (GType type)
ivar_size = node->data->instance.instance_size;
#ifdef ENABLE_VALGRIND
if (private_size && RUNNING_ON_VALGRIND)
if (G_UNLIKELY (private_size && RUNNING_ON_VALGRIND))
{
private_size += ALIGN_STRUCT (1);
@ -1963,14 +1963,14 @@ g_type_free_instance (GTypeInstance *instance)
class = instance->g_class;
node = lookup_type_node_I (class->g_type);
if (!node || !node->is_instantiatable || !node->data || node->data->class.class != (gpointer) class)
if (G_UNLIKELY (!node || !node->is_instantiatable || !node->data || node->data->class.class != (gpointer) class))
{
g_warning ("cannot free instance of invalid (non-instantiatable) type '%s'",
type_descriptive_name_I (class->g_type));
return;
}
/* G_TYPE_IS_ABSTRACT() is an external call: _U */
if (!node->mutatable_check_cache && G_TYPE_IS_ABSTRACT (NODE_TYPE (node)))
if (G_UNLIKELY (!node->mutatable_check_cache && G_TYPE_IS_ABSTRACT (NODE_TYPE (node))))
{
g_warning ("cannot free instance of abstract (non-instantiatable) type '%s'",
NODE_NAME (node));
@ -1990,7 +1990,7 @@ g_type_free_instance (GTypeInstance *instance)
/* See comment in g_type_create_instance() about what's going on here.
* We're basically unwinding what we put into motion there.
*/
if (private_size && RUNNING_ON_VALGRIND)
if (G_UNLIKELY (private_size && RUNNING_ON_VALGRIND))
{
private_size += ALIGN_STRUCT (1);
allocated -= ALIGN_STRUCT (1);