src/java.base/share/classes/java/lang/Math.java

@@ -1351,10 +1351,11 @@
      * negative.
      *
      * @param   a   the argument whose absolute value is to be determined
      * @return  the absolute value of the argument.
      */
+    @HotSpotIntrinsicCandidate
     public static int abs(int a) {
         return (a < 0) ? -a : a;
     }
 
     /**

@@ -1368,10 +1369,11 @@
      * is negative.
      *
      * @param   a   the argument whose absolute value is to be determined
      * @return  the absolute value of the argument.
      */
+    @HotSpotIntrinsicCandidate
     public static long abs(long a) {
         return (a < 0) ? -a : a;
     }
 
     /**

@@ -1392,10 +1394,11 @@
      * {@code Float.intBitsToFloat(0x7fffffff & Float.floatToRawIntBits(a))}
      *
      * @param   a   the argument whose absolute value is to be determined
      * @return  the absolute value of the argument.
      */
+    @HotSpotIntrinsicCandidate
     public static float abs(float a) {
         return (a <= 0.0F) ? 0.0F - a : a;
     }
 
     /**