hg: jdk/jdk: 8222029: Optimize Math.floorMod

[claes.redestad at oracle.com]

Changeset: 9d0ae9508d53
Author:    redestad
Date:      2019-04-10 20:03 +0200
URL:       http://hg.openjdk.java.net/jdk/jdk/rev/9d0ae9508d53

8222029: Optimize Math.floorMod
Reviewed-by: aph, darcy

! src/java.base/share/classes/java/lang/Math.java
! test/jdk/java/lang/Math/DivModTests.java
+ test/micro/org/openjdk/bench/java/lang/MathBench.java