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Implement fast access mode arrays (#3028)

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JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
This commit is contained in:
Robert Fancsik
2019-08-30 15:18:15 +02:00
committed by GitHub
parent c6a4a86257
commit 2f1908f894
15 changed files with 982 additions and 262 deletions
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jerry-core/ecma/base/ecma-gc.c
+67
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@@ -407,6 +407,31 @@ ecma_gc_mark (ecma_object_t *object_p) /**< object to mark from */
break;
}
case ECMA_OBJECT_TYPE_ARRAY:
{
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
if (ext_object_p->u.array.is_fast_mode)
{
if (object_p->u1.property_list_cp == JMEM_CP_NULL)
{
return;
}
ecma_value_t *values_p = ECMA_GET_NON_NULL_POINTER (ecma_value_t, object_p->u1.property_list_cp);
for (uint32_t i = 0; i < ext_object_p->u.array.length; i++)
{
if (ecma_is_value_object (values_p[i]))
{
ecma_gc_set_object_visited (ecma_get_object_from_value (values_p[i]));
}
}
return;
}
break;
}
case ECMA_OBJECT_TYPE_BOUND_FUNCTION:
{
ecma_extended_object_t *ext_function_p = (ecma_extended_object_t *) object_p;
@@ -541,6 +566,37 @@ ecma_gc_free_native_pointer (ecma_property_t *property_p) /**< property */
#endif /* !JERRY_NDEBUG */
} /* ecma_gc_free_native_pointer */
/**
* Free specified fast access mode array object.
*/
static void
ecma_free_fast_access_array (ecma_object_t *object_p) /**< fast access mode array object to free */
{
JERRY_ASSERT (ecma_get_object_type (object_p) == ECMA_OBJECT_TYPE_ARRAY);
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
JERRY_ASSERT (ext_object_p->u.array.is_fast_mode);
const uint32_t aligned_length = ECMA_FAST_ARRAY_ALIGN_LENGTH (ext_object_p->u.array.length);
if (object_p->u1.property_list_cp != JMEM_CP_NULL)
{
ecma_value_t *values_p = ECMA_GET_NON_NULL_POINTER (ecma_value_t, object_p->u1.property_list_cp);
for (uint32_t i = 0; i < aligned_length; i++)
{
ecma_free_value_if_not_object (values_p[i]);
}
jmem_heap_free_block (values_p, aligned_length * sizeof (ecma_value_t));
}
JERRY_ASSERT (JERRY_CONTEXT (ecma_gc_objects_number) > 0);
JERRY_CONTEXT (ecma_gc_objects_number)--;
ecma_dealloc_extended_object (object_p, sizeof (ecma_extended_object_t));
} /* ecma_free_fast_access_array */
/**
* Free specified object.
*/
@@ -556,6 +612,17 @@ ecma_gc_free_object (ecma_object_t *object_p) /**< object to free */
if (obj_is_not_lex_env
|| ecma_get_lex_env_type (object_p) == ECMA_LEXICAL_ENVIRONMENT_DECLARATIVE)
{
if (obj_is_not_lex_env && ecma_get_object_type (object_p) == ECMA_OBJECT_TYPE_ARRAY)
{
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) object_p;
if (ext_object_p->u.array.is_fast_mode)
{
ecma_free_fast_access_array (object_p);
return;
}
}
jmem_cpointer_t prop_iter_cp = object_p->u1.property_list_cp;
#if ENABLED (JERRY_PROPRETY_HASHMAP)