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Integer acceleration for basic arithmetic and comparison.

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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
2016-05-18 02:59:13 -07:00
parent 07dabff1ab
commit 7b9e6a873f
7 changed files with 249 additions and 1 deletions
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jerry-core/ecma/base/ecma-globals.h
+9
View File
@@ -163,6 +163,15 @@ typedef int32_t ecma_integer_value_t;
#define ECMA_IS_INTEGER_NUMBER(num) \
(ECMA_INTEGER_NUMBER_MIN <= (num) && (num) <= ECMA_INTEGER_NUMBER_MAX)
/**
* Maximum integer number, which if squared, still fits in ecma_integer_value_t
*/
#if CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT32
#define ECMA_INTEGER_MULTIPLY_MAX 0xb50
#else /* CONFIG_ECMA_NUMBER_TYPE != CONFIG_ECMA_NUMBER_FLOAT32 */
#define ECMA_INTEGER_MULTIPLY_MAX 0x2d41
#endif /* CONFIG_ECMA_NUMBER_TYPE == CONFIG_ECMA_NUMBER_FLOAT32 */
/**
* Internal properties' identifiers.
*/
jerry-core/ecma/base/ecma-helpers-value.c
+30 -1
View File
@@ -218,6 +218,22 @@ ecma_is_value_integer_number (ecma_value_t value) /**< ecma value */
return (value & ECMA_DIRECT_TYPE_MASK) == ECMA_DIRECT_TYPE_INTEGER_VALUE;
} /* ecma_is_value_integer_number */
/**
* Check if both values are integer ecma-numbers.
*
* @return true - if both values contain integer ecma-number values,
* false - otherwise.
*/
inline bool __attr_pure___ __attr_always_inline___
ecma_are_values_integer_numbers (ecma_value_t first_value, /**< first ecma value */
ecma_value_t second_value) /**< second ecma value */
{
JERRY_STATIC_ASSERT (ECMA_DIRECT_TYPE_INTEGER_VALUE == 0,
ecma_direct_type_integer_value_must_be_zero);
return ((first_value | second_value) & ECMA_DIRECT_TYPE_MASK) == ECMA_DIRECT_TYPE_INTEGER_VALUE;
} /* ecma_are_values_integer_numbers */
/**
* Check if the value is floating-point ecma-number.
*
@@ -471,6 +487,19 @@ ecma_make_error_obj_value (const ecma_object_t *object_p) /**< object to referen
return ecma_make_error_value (ecma_make_object_value (object_p));
} /* ecma_make_error_obj_value */
/**
* Get integer value from an integer ecma value
*
* @return floating point value
*/
inline ecma_integer_value_t __attr_pure___ __attr_always_inline___
ecma_get_integer_from_value (ecma_value_t value) /**< ecma value */
{
JERRY_ASSERT (ecma_is_value_integer_number (value));
return ((ecma_integer_value_t) value) >> ECMA_DIRECT_SHIFT;
} /* ecma_get_integer_from_value */
/**
* Get floating point value from an ecma value
*
@@ -481,7 +510,7 @@ ecma_get_number_from_value (ecma_value_t value) /**< ecma value */
{
if (ecma_is_value_integer_number (value))
{
return (ecma_number_t) (((ecma_integer_value_t) value) >> ECMA_DIRECT_SHIFT);
return (ecma_number_t) ecma_get_integer_from_value (value);
}
JERRY_ASSERT (ecma_get_value_type_field (value) == ECMA_TYPE_FLOAT);
jerry-core/ecma/base/ecma-helpers.h
+2
View File
@@ -123,6 +123,7 @@ extern bool ecma_is_value_false (ecma_value_t);
extern bool ecma_is_value_array_hole (ecma_value_t);
extern bool ecma_is_value_integer_number (ecma_value_t);
extern bool ecma_are_values_integer_numbers (ecma_value_t, ecma_value_t);
extern bool ecma_is_value_float_number (ecma_value_t);
extern bool ecma_is_value_number (ecma_value_t);
extern bool ecma_is_value_string (ecma_value_t);
@@ -141,6 +142,7 @@ extern ecma_value_t ecma_make_string_value (const ecma_string_t *);
extern ecma_value_t ecma_make_object_value (const ecma_object_t *);
extern ecma_value_t ecma_make_error_value (ecma_value_t);
extern ecma_value_t ecma_make_error_obj_value (const ecma_object_t *);
extern ecma_integer_value_t ecma_get_integer_from_value (ecma_value_t);
extern ecma_number_t ecma_get_number_from_value (ecma_value_t) __attr_pure___;
extern uint32_t ecma_get_uint32_from_value (ecma_value_t) __attr_pure___;
extern ecma_string_t *ecma_get_string_from_value (ecma_value_t) __attr_pure___;