RFR: 8319429: Resetting MXCSR flags degrades ecore [v3]

[Tobias Hartmann]

On Tue, 7 Nov 2023 19:51:34 GMT, Volodymyr Paprotski <duke at openjdk.org> wrote:

>> Improves vector rounding on ECore about 10x
>> 
>> (BEFORE) FpRoundingBenchmark.test_round_float        2048  thrpt    3  40.912 ± 0.044  ops/ms
>> (AFTER ) FpRoundingBenchmark.test_round_float        2048  thrpt    3  431.682 ± 0.727  ops/ms
>
> Volodymyr Paprotski has updated the pull request incrementally with one additional commit since the last revision:
> 
>   change option name

All tests passed.

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PR Comment: https://git.openjdk.org/jdk/pull/16504#issuecomment-1804056562