8160885: Unsafe.compareAndExchangeDouble/FloatAcquire should defer to compareAndExchangeLong/IntAcquire
Reviewed-by: mhaupt
--- a/jdk/src/java.base/share/classes/jdk/internal/misc/Unsafe.java Thu Jul 07 09:38:33 2016 -0300
+++ b/jdk/src/java.base/share/classes/jdk/internal/misc/Unsafe.java Thu Jul 07 18:30:43 2016 +0200
@@ -1709,9 +1709,9 @@
public final float compareAndExchangeFloatAcquire(Object o, long offset,
float expected,
float x) {
- int w = compareAndExchangeIntVolatile(o, offset,
- Float.floatToRawIntBits(expected),
- Float.floatToRawIntBits(x));
+ int w = compareAndExchangeIntAcquire(o, offset,
+ Float.floatToRawIntBits(expected),
+ Float.floatToRawIntBits(x));
return Float.intBitsToFloat(w);
}
@@ -1793,9 +1793,9 @@
public final double compareAndExchangeDoubleAcquire(Object o, long offset,
double expected,
double x) {
- long w = compareAndExchangeLongVolatile(o, offset,
- Double.doubleToRawLongBits(expected),
- Double.doubleToRawLongBits(x));
+ long w = compareAndExchangeLongAcquire(o, offset,
+ Double.doubleToRawLongBits(expected),
+ Double.doubleToRawLongBits(x));
return Double.longBitsToDouble(w);
}