[8u-dev] Request for approval to backport: 8081778: Use Intel x64 CPU instructions for RSA acceleration

Vladimir Kozlov vladimir.kozlov at oracle.com
Fri Feb 12 19:20:54 UTC 2016


8u changes looks good.

Thanks,
Vladimir

On 2/12/16 10:51 AM, Ivan Gerasimov wrote:
> Hello!
>
> I'm seeking an approval to backport this performance enhancement to jdk8u-dev.
> The change applies *almost* cleanly.
> The only change I had to make was adding the extra argument to the 'new' operator, which is required in jdk8, but not jdk9.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-8081778
> Jdk9 hotspot change: http://hg.openjdk.java.net/jdk9/jdk9/hotspot/rev/578f086f3435
> Jdk9 jdk change: http://hg.openjdk.java.net/jdk9/jdk9/jdk/rev/de309dbe42bf
> Jdk9 review: http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/2015-May/018106.html
>
> The changes, comparing to jdk9 are in
> hotspot/src/share/vm/opto/library_call.cpp  at lines #5956 and #5964;
>
> Jdk8 webrev: http://cr.openjdk.java.net/~igerasim/8081778/00/webrev/
>
> Patched Jdk was successfully built and tested on all supported platforms.
>
> Would you please approve this backport?
>
> Sincerely yours,
> Ivan
>
>
>


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