stan/jdk-24
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

8152910: Get performance improvement with Stable annotation

Browse Source 
Reviewed-by: darcy
This commit is contained in:
Peter Levart 2018-10-10 17:53:22 -07:00 committed by Brian Burkhalter
parent 635a875123
commit 2d7d9b8380
1 changed files with 5 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
src/java.base/share/classes/java/math/BigInteger.java
View File

@ -41,6 +41,7 @@ import java.util.concurrent.ThreadLocalRandom;
import jdk.internal.math.DoubleConsts;
import jdk.internal.math.FloatConsts;
import jdk.internal.HotSpotIntrinsicCandidate;
import jdk.internal.vm.annotation.Stable;
/**
* Immutable arbitrary-precision integers. All operations behave as if
@ -1219,8 +1220,10 @@ public class BigInteger extends Number implements Comparable<BigInteger> {
* Initialize static constant array when class is loaded.
*/
private static final int MAX_CONSTANT = 16;
private static BigInteger posConst[] = new BigInteger[MAX_CONSTANT+1];
private static BigInteger negConst[] = new BigInteger[MAX_CONSTANT+1];
@Stable
private static final BigInteger[] posConst = new BigInteger[MAX_CONSTANT+1];
@Stable
private static final BigInteger[] negConst = new BigInteger[MAX_CONSTANT+1];
/**
* The cache of powers of each radix. This allows us to not have to