stan/jdk-24
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Nils Eliasson 2015-11-16 20:37:22 +01:00
commit 5f1eb58771
1 changed files with 8 additions and 7 deletions
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jdk/src/java.base/share/classes/java/util/Objects.java
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@ -27,6 +27,7 @@ package java.util;
import java.util.function.BiFunction; import java.util.function.BiFunction;
import java.util.function.Supplier; import java.util.function.Supplier;
import jdk.internal.HotSpotIntrinsicCandidate;
/** /**
* This class consists of {@code static} utility methods for operating * This class consists of {@code static} utility methods for operating
@ -416,14 +417,14 @@ public final class Objects {
* @throws IndexOutOfBoundsException if the {@code index} is out of bounds * @throws IndexOutOfBoundsException if the {@code index} is out of bounds
* and the exception mapping function is {@code null} * and the exception mapping function is {@code null}
* @since 9 * @since 9
*/ *
/* * @implNote
@HotSpotIntrinsicCandidate * This method is made intrinsic in optimizing compilers to guide
This method will be made intrinsic in C2 to guide HotSpot to perform * them to perform unsigned comparisons of the index and length
unsigned comparisons of the index and length when it is known the length is * when it is known the length is a non-negative value (such as
a non-negative value (such as that of an array length or from the upper * that of an array length or from the upper bound of a loop)
bound of a loop)
*/ */
@HotSpotIntrinsicCandidate
public static <T extends RuntimeException> public static <T extends RuntimeException>
int checkIndex(int index, int length, int checkIndex(int index, int length,
BiFunction<Integer, Integer, T> oobe) throws T, IndexOutOfBoundsException { BiFunction<Integer, Integer, T> oobe) throws T, IndexOutOfBoundsException {