RFR: 8282365: Optimize divideUnsigned and remainderUnsigned for constants [v18]

[Emanuel Peter]

On Tue, 10 Oct 2023 13:47:47 GMT, Quan Anh Mai <qamai at openjdk.org> wrote:

>> @merykitty One test is still failing:
>> `compiler/integerArithmetic/DivisionByConstant.java`
>> I see this in the logs:
>> `IR verification disabled due to using non-whitelisted JTreg VM or Javaoptions flag(s).`
>> And then your assert triggers because we do not trigger the `IRViolationException`:
>> `java.lang.RuntimeException: Expected exception not thrown`
>> 
>> Maybe we just remove this verification function. I'm not sure it is worth it. As you said, you have other positive tests where we have IR rules that look for presence of `DIV` etc.
>
> @eme64 I see, it seems the test is run at higher tiers with additional flags, I have removed the negative method.

@merykitty thanks for the removal. Submitted for testing one more time (v28).

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PR Comment: https://git.openjdk.org/jdk/pull/9947#issuecomment-1755754595