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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/base/ecma-helpers.h
+3
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@@ -168,6 +168,7 @@ extern ecma_string_t *ecma_new_ecma_string_from_uint32 (uint32_t);
extern ecma_string_t *ecma_new_ecma_string_from_number (ecma_number_t);
extern ecma_string_t *ecma_new_ecma_string_from_magic_string_id (lit_magic_string_id_t);
extern ecma_string_t *ecma_new_ecma_string_from_magic_string_ex_id (lit_magic_string_ex_id_t);
extern ecma_string_t *ecma_new_ecma_length_string ();
extern ecma_string_t *ecma_concat_ecma_strings (ecma_string_t *, ecma_string_t *);
extern void ecma_ref_ecma_string (ecma_string_t *);
extern void ecma_deref_ecma_string (ecma_string_t *);
@@ -179,7 +180,9 @@ ecma_string_copy_to_utf8_buffer (const ecma_string_t *, lit_utf8_byte_t *, lit_u
extern void ecma_string_to_utf8_bytes (const ecma_string_t *, lit_utf8_byte_t *, lit_utf8_size_t);
extern const lit_utf8_byte_t *ecma_string_raw_chars (const ecma_string_t *, lit_utf8_size_t *, bool *);
extern void ecma_init_ecma_string_from_uint32 (ecma_string_t *, uint32_t);
extern void ecma_init_ecma_length_string (ecma_string_t *);
extern bool ecma_string_is_empty (const ecma_string_t *);
extern bool ecma_string_is_length (const ecma_string_t *);
extern bool ecma_compare_ecma_strings_equal_hashes (const ecma_string_t *, const ecma_string_t *);
extern bool ecma_compare_ecma_strings (const ecma_string_t *, const ecma_string_t *);