Integrated: 8275167: x86 intrinsic for unsignedMultiplyHigh

Wed Oct 20 22:44:06 UTC 2021

On Wed, 13 Oct 2021 18:55:10 GMT, Vamsi Parasa <duke at openjdk.java.net> wrote:

> Optimize the new Math.unsignedMultiplyHigh using the x86 mul instruction. This change show 1.87X improvement on a micro benchmark.

This pull request has now been integrated.

Changeset: af7c56b8
Author:    vamsi-parasa <srinivas.vamsi.parasa at intel.com>
Committer: Sandhya Viswanathan <sviswanathan at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/af7c56b85bb2828a9d68f9e1c753a4adfa7ebb4f
Stats:     63 lines in 11 files changed: 61 ins; 2 del; 0 mod

8275167: x86 intrinsic for unsignedMultiplyHigh

Reviewed-by: kvn, sviswanathan

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PR: https://git.openjdk.java.net/jdk/pull/5933