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Optimizing ecma_get_pointer/ecma_set_pointer, introducing ecma_set_non_null_pointer. loop_arithmetics_1kk.js benchmark: 3.450 -> 3.025.

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This commit is contained in:
Ruben Ayrapetyan
2014-08-08 15:22:05 +04:00
parent 0194e63331
commit 1ab3eaa389
3 changed files with 39 additions and 27 deletions
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src/libecmaobjects/ecma-helpers.c
+22 -24
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@@ -32,10 +32,7 @@
uintptr_t
ecma_compress_pointer(void *pointer) /**< pointer to compress */
{
if ( pointer == NULL )
{
return ECMA_NULL_POINTER;
}
JERRY_ASSERT( pointer != NULL );
uintptr_t int_ptr = (uintptr_t) pointer;
@@ -55,10 +52,7 @@ ecma_compress_pointer(void *pointer) /**< pointer to compress */
void*
ecma_decompress_pointer(uintptr_t compressed_pointer) /**< pointer to decompress */
{
if ( compressed_pointer == ECMA_NULL_POINTER )
{
return NULL;
}
JERRY_ASSERT( compressed_pointer != ECMA_NULL_POINTER );
uintptr_t int_ptr = compressed_pointer;
@@ -173,8 +167,9 @@ ecma_create_internal_property(ecma_object_t *object_p, /**< the object */
new_property_p->type = ECMA_PROPERTY_INTERNAL;
ecma_set_pointer( new_property_p->next_property_p, ecma_get_pointer( object_p->properties_p));
ecma_set_pointer( object_p->properties_p, new_property_p);
ecma_property_t *list_head_p = ecma_get_pointer( object_p->properties_p);
ecma_set_pointer( new_property_p->next_property_p, list_head_p);
ecma_set_non_null_pointer( object_p->properties_p, new_property_p);
new_property_p->u.internal_property.type = property_id;
new_property_p->u.internal_property.value = ECMA_NULL_POINTER;
@@ -247,22 +242,24 @@ ecma_create_named_data_property(ecma_object_t *obj_p, /**< object */
{
JERRY_ASSERT( obj_p != NULL && name_p != NULL );
ecma_property_t *prop = ecma_alloc_property();
ecma_property_t *prop_p = ecma_alloc_property();
prop->type = ECMA_PROPERTY_NAMEDDATA;
prop_p->type = ECMA_PROPERTY_NAMEDDATA;
ecma_set_pointer( prop->u.named_data_property.name_p, ecma_new_ecma_string( name_p));
ecma_set_non_null_pointer( prop_p->u.named_data_property.name_p, ecma_new_ecma_string( name_p));
prop->u.named_data_property.writable = writable;
prop->u.named_data_property.enumerable = enumerable;
prop->u.named_data_property.configurable = configurable;
prop_p->u.named_data_property.writable = writable;
prop_p->u.named_data_property.enumerable = enumerable;
prop_p->u.named_data_property.configurable = configurable;
prop->u.named_data_property.value = ecma_make_simple_value( ECMA_SIMPLE_VALUE_UNDEFINED);
prop_p->u.named_data_property.value = ecma_make_simple_value( ECMA_SIMPLE_VALUE_UNDEFINED);
ecma_set_pointer( prop->next_property_p, ecma_get_pointer( obj_p->properties_p));
ecma_set_pointer( obj_p->properties_p, prop);
ecma_property_t *list_head_p = ecma_get_pointer( obj_p->properties_p);
return prop;
ecma_set_pointer( prop_p->next_property_p, list_head_p);
ecma_set_non_null_pointer( obj_p->properties_p, prop_p);
return prop_p;
} /* ecma_create_named_data_property */
/**
@@ -284,7 +281,7 @@ ecma_create_named_accessor_property(ecma_object_t *obj_p, /**< object */
prop_p->type = ECMA_PROPERTY_NAMEDACCESSOR;
ecma_set_pointer( prop_p->u.named_accessor_property.name_p, ecma_new_ecma_string( name_p));
ecma_set_non_null_pointer( prop_p->u.named_accessor_property.name_p, ecma_new_ecma_string( name_p));
ecma_set_pointer( prop_p->u.named_accessor_property.get_p, get_p);
ecma_gc_update_may_ref_younger_object_flag_by_object( obj_p, get_p);
@@ -295,8 +292,9 @@ ecma_create_named_accessor_property(ecma_object_t *obj_p, /**< object */
prop_p->u.named_accessor_property.enumerable = enumerable;
prop_p->u.named_accessor_property.configurable = configurable;
ecma_set_pointer( prop_p->next_property_p, ecma_get_pointer( obj_p->properties_p));
ecma_set_pointer( obj_p->properties_p, prop_p);
ecma_property_t *list_head_p = ecma_get_pointer( obj_p->properties_p);
ecma_set_pointer( prop_p->next_property_p, list_head_p);
ecma_set_non_null_pointer( obj_p->properties_p, prop_p);
return prop_p;
} /* ecma_create_named_accessor_property */
@@ -562,7 +560,7 @@ ecma_new_ecma_string(const ecma_char_t *string_p) /**< zero-terminated string of
chars_left -= chars_to_copy;
copy_pointer += chars_to_copy * sizeof (ecma_char_t);
ecma_set_pointer( *next_chunk_compressed_pointer_p, string_non_first_chunk_p);
ecma_set_non_null_pointer( *next_chunk_compressed_pointer_p, string_non_first_chunk_p);
next_chunk_compressed_pointer_p = &string_non_first_chunk_p->next_chunk_p;
}