RFR: 8361037: [ubsan] compiler/c2/irTests/TestFloat16ScalarOperations division by 0 [v3]
Sandhya Viswanathan
sviswanathan at openjdk.org
Wed Jul 2 23:05:42 UTC 2025
On Tue, 1 Jul 2025 13:36:20 GMT, Jatin Bhateja <jbhateja at openjdk.org> wrote:
>> Floating point division by zero is undefined per the C and C++ standards, but is defined by Clang (and by ISO/IEC/IEEE 60559 / IEEE 754) as producing either an infinity or NaN value.
>>
>> While Java semantics defined in section 15.17.2 "Division Operator" of JLS-24 are well-defined for these constant-folding scenarios
>>
>> This bug fix patch fixes division by 0 error reported after integration of [JDK-8352635.](https://bugs.openjdk.org/browse/JDK-8352635)
>> Kindly review and share your feedback.
>>
>> Best Regards,
>> Jatin
>
> Jatin Bhateja has updated the pull request incrementally with one additional commit since the last revision:
>
> Adding comments
Looks good to me. It will be good to get second review.
-------------
Marked as reviewed by sviswanathan (Reviewer).
PR Review: https://git.openjdk.org/jdk/pull/26062#pullrequestreview-2980870863
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