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Improve date internals (#4593)

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- Optimize year from time calculation
- Force arithmetic operations to int32_t/int64_t whenever possible
- Optimize number conversion in date parse
- Cache local TZA of the date object
- Fix a bug in Date.parse timezone parsing

JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik robert.fancsik@h-lab.eu
This commit is contained in:
Robert Fancsik
2021-02-17 16:07:54 +01:00
committed by GitHub
parent 67e7e89c8e
commit 488a0bf7e8
10 changed files with 810 additions and 785 deletions
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jerry-core/ecma/builtin-objects/ecma-builtin-intrinsic.c
+9 -5
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@@ -210,16 +210,20 @@ ecma_builtin_intrinsic_dispatch_routine (uint8_t builtin_routine_id, /**< built-
return ecma_raise_type_error (ECMA_ERR_MSG ("Argument 'this' is not a Date object"));
}
ecma_extended_object_t *ext_object_p = (ecma_extended_object_t *) ecma_get_object_from_value (this_arg);
ecma_number_t *prim_value_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_number_t,
ext_object_p->u.class_prop.u.value);
#if JERRY_ESNEXT
ecma_number_t *date_value_p = &((ecma_date_object_t *) ecma_get_object_from_value (this_arg))->date_value;
#else /* !JERRY_ESNEXT */
ecma_extended_object_t *arg_ext_object_p = (ecma_extended_object_t *) ecma_get_object_from_value (argument);
ecma_number_t *date_value_p = ECMA_GET_INTERNAL_VALUE_POINTER (ecma_number_t,
arg_ext_object_p->u.class_prop.u.date);
#endif /* JERRY_ESNEXT */
if (ecma_number_is_nan (*prim_value_p))
if (ecma_number_is_nan (*date_value_p))
{
return ecma_make_magic_string_value (LIT_MAGIC_STRING_INVALID_DATE_UL);
}
return ecma_date_value_to_utc_string (*prim_value_p);
return ecma_date_value_to_utc_string (*date_value_p);
}
case ECMA_INTRINSIC_STRING_TRIM_START:
case ECMA_INTRINSIC_STRING_TRIM_END: