RFR: 8276162: Optimise unsigned comparison pattern [v2]

[Mai Đặng Quân Anh]

On Wed, 10 Nov 2021 20:19:52 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

>> Mai Đặng Quân Anh has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   fix copyright declaration
>
> src/hotspot/share/opto/subnode.cpp line 1537:
> 
>> 1535:   // Change x +- Integer.MIN_VALUE <=> y +- Integer.MIN_VALUE into x u<=> y
>> 1536:   if ((_test._test == BoolTest::lt || _test._test == BoolTest::le ||
>> 1537:         _test._test == BoolTest::gt || _test._test == BoolTest::ge) &&
> 
> You can use `(_test. is_less() || _test.is_greater())` here.

Thank you very much for the review, I have addressed this and the following comment.

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PR: https://git.openjdk.java.net/jdk/pull/6101