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Improve the construction of "length" built-in strings.

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The "length" property name is the most frequently used built-in string
and also frequently created by various hot-paths. New functions are
added to improve the speed of the "length" string creation.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-07-13 04:50:47 -07:00
parent b4bba2ef70
commit 6f1ce8d6bb
17 changed files with 131 additions and 84 deletions
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jerry-core/ecma/operations/ecma-string-object.c
+1 -1
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@@ -99,7 +99,7 @@ ecma_op_create_string_object (const ecma_value_t *arguments_list_p, /**< list of
ecma_set_internal_property_value (prim_value_prop_p, ecma_make_string_value (prim_prop_str_value_p));
// 15.5.5.1
ecma_string_t *length_magic_string_p = ecma_get_magic_string (LIT_MAGIC_STRING_LENGTH);
ecma_string_t *length_magic_string_p = ecma_new_ecma_length_string ();
ecma_property_t *length_prop_p = ecma_create_named_data_property (obj_p,
length_magic_string_p,
ECMA_PROPERTY_FIXED);