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Optimize typed array access (#4806)

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Use uint32 indexes instead of double indexes.

JerryScript-DCO-1.0-Signed-off-by: Zoltan Herczeg zherczeg.u-szeged@partner.samsung.com
This commit is contained in:
Zoltan Herczeg
2021-11-02 11:07:56 +01:00
committed by GitHub
parent 960b99766c
commit 89e367bbfd
10 changed files with 203 additions and 190 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-object-prototype.c
+1 -1
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@@ -147,7 +147,7 @@ ecma_builtin_object_prototype_object_has_own_property (ecma_object_t *obj_p, /**
}
#endif /* JERRY_BUILTIN_PROXY */
return ecma_make_boolean_value (ecma_op_ordinary_object_has_own_property (obj_p, prop_name_p));
return ecma_op_ordinary_object_has_own_property (obj_p, prop_name_p);
} /* ecma_builtin_object_prototype_object_has_own_property */
/**
jerry-core/ecma/builtin-objects/typedarray/ecma-builtin-typedarray-prototype.c
+7 -2
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@@ -1352,7 +1352,7 @@ static ecma_value_t
ecma_builtin_typedarray_prototype_at (ecma_typedarray_info_t *info_p, /**< object info */
const ecma_value_t index) /**< index argument */
{
ecma_length_t len = (ecma_length_t) info_p->length;
ecma_length_t len = info_p->length;
ecma_length_t res_index;
ecma_value_t return_value = ecma_builtin_helper_calculate_index (index, len, &res_index);
@@ -1361,7 +1361,12 @@ ecma_builtin_typedarray_prototype_at (ecma_typedarray_info_t *info_p, /**< objec
return return_value;
}
return ecma_get_typedarray_element (info_p, (ecma_number_t) res_index);
if (res_index >= UINT32_MAX)
{
return ECMA_VALUE_UNDEFINED;
}
return ecma_get_typedarray_element (info_p, (uint32_t) res_index);
} /* ecma_builtin_typedarray_prototype_at */
/**