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Add ecma_fast_copy_value and ecma_fast_free_value to improve performance of hot paths.

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JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2016-05-23 02:12:52 -07:00
parent 9f29cc168d
commit 53414b2c88
3 changed files with 54 additions and 17 deletions
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jerry-core/ecma/base/ecma-helpers-value.c
+35
View File
@@ -614,6 +614,23 @@ ecma_copy_value (ecma_value_t value) /**< value description */
JERRY_UNREACHABLE ();
} /* ecma_copy_value */
/**
* Copy ecma value.
*
* Note:
* this function is similar to ecma_copy_value, but it is
* faster for direct values since no function call is performed.
* It also increases the binary size so it is recommended for
* critical code paths only.
*
* @return copy of the given value
*/
inline ecma_value_t __attr_always_inline___
ecma_fast_copy_value (ecma_value_t value) /**< value description */
{
return (ecma_get_value_type_field (value) == ECMA_TYPE_DIRECT) ? value : ecma_copy_value (value);
} /* ecma_fast_copy_value */
/**
* Copy the ecma value if not an object
*
@@ -778,6 +795,24 @@ ecma_free_value (ecma_value_t value) /**< value description */
}
} /* ecma_free_value */
/**
* Free the ecma value
*
* Note:
* this function is similar to ecma_free_value, but it is
* faster for direct values since no function call is performed.
* It also increases the binary size so it is recommended for
* critical code paths only.
*/
inline void __attr_always_inline___
ecma_fast_free_value (ecma_value_t value) /**< value description */
{
if (ecma_get_value_type_field (value) != ECMA_TYPE_DIRECT)
{
ecma_free_value (value);
}
} /* ecma_fast_free_value */
/**
* Free the ecma value if not an object
*/
jerry-core/ecma/base/ecma-helpers.h
+2
View File
@@ -149,11 +149,13 @@ extern ecma_string_t *ecma_get_string_from_value (ecma_value_t) __attr_pure___;
extern ecma_object_t *ecma_get_object_from_value (ecma_value_t) __attr_pure___;
extern ecma_value_t ecma_get_value_from_error_value (ecma_value_t) __attr_pure___;
extern ecma_value_t ecma_copy_value (ecma_value_t);
extern ecma_value_t ecma_fast_copy_value (ecma_value_t);
extern ecma_value_t ecma_copy_value_if_not_object (ecma_value_t);
extern void ecma_value_assign_value (ecma_value_t *, ecma_value_t);
extern void ecma_value_assign_number (ecma_value_t *, ecma_number_t);
extern void ecma_value_assign_uint32 (ecma_value_t *, uint32_t);
extern void ecma_free_value (ecma_value_t);
extern void ecma_fast_free_value (ecma_value_t);
extern void ecma_free_value_if_not_object (ecma_value_t);
/* ecma-helpers-string.c */