On Wed, 8 Feb 2023 03:38:24 GMT, David Schlosnagle <d...@openjdk.org> wrote:
>> Claes Redestad has updated the pull request incrementally with one
>> additional commit since the last revision:
>>
>> Minimize, force inline, generalize
>
> src/java.base/share/classes/java/util/Arrays.java line 4142:
>
>> 4140: private static double[] copyOfRangeGeneric(double[] original, int
>> from, int to) {
>> 4141: checkLength(from, to);
>> 4142: int newLength = to - from;
>
> Suggestion:
>
> int newLength = checkLength(from, to);
> I'm also curious if returning the new length from `checkLength` would be
> worthwhile
I had this arrangement earlier but saw no win from it. These helper methods
will be aggressively inlined and the JIT sorts it out optimally, so I prefer to
keep the `check` method zoomed in on its purpose
-------------
PR: https://git.openjdk.org/jdk/pull/12453
