RFR: 8275167: x86 intrinsic for unsignedMultiplyHigh

Vamsi Parasa duke at openjdk.java.net
Fri Oct 15 19:21:53 UTC 2021


On Fri, 15 Oct 2021 18:45:41 GMT, Vladimir Kozlov <kvn at openjdk.org> wrote:

> How you verified correctness of results? I suggest to extend `test/jdk//java/lang/Math/MultiplicationTests.java` test to cover unsigned method.

Tests for unsignedMultiplyHigh were already added in test/jdk//java/lang/Math/MultiplicationTests.java (in July 2021 by Brian Burkhalter). Used that test to verify the correctness of the results.

-------------

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


More information about the hotspot-compiler-dev mailing list