RFR: 8302113: Improve CRC32 intrinsic with crypto pmull on AArch64 [v2]

Yi-Fan Tsai duke at openjdk.org
Mon Feb 13 17:14:05 UTC 2023


On Sat, 11 Feb 2023 13:44:54 GMT, Andrew Haley <aph at openjdk.org> wrote:

>> Yi-Fan Tsai has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Change to UseCryptoPmullForCRC32
>
> src/hotspot/cpu/aarch64/globals_aarch64.hpp line 91:
> 
>> 89:   product(bool, UseCRC32, false,                                        \
>> 90:           "Use CRC32 instructions for CRC32 computation")               \
>> 91:   product(bool, UseCryptoPmull, false,                                  \
> 
> Suggestion:
> 
>   product(bool, UsePmullForCRC32, false,                                  \

Changed to UseCryptoPmullForCRC32 as there is another pmull version.

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PR: https://git.openjdk.org/jdk/pull/12480


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