RFR: 8222029: Optimize Math.floorMod

Claes Redestad claes.redestad at oracle.com
Fri Apr 5 17:21:00 UTC 2019

On 2019-04-05 17:41, Andrew Haley wrote:
> On 4/5/19 2:44 PM, Claes Redestad wrote:
>> Testing: tier1-2, all Math tests run locally, -prof perfasm verification
>> on the provided microbenchmark.
> Looks good.


> I've kicked the tyres on AArch64, and it looks like a useful optimization. The
> gains when the divisor is constant (a common case) are modest but worthwhile.

Thanks for trying it out and glad to hear it helps on AArch64 as well.


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