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comparison truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/utilities/PrimitiveValueProfile.java @ 22501:a63bda98cfdb

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Extract profiles into separate package. Add isProfilingEnabled in TruffleRuntime to disable profiling in the default runtime; Add low overhead profiles for primitives; Add LoopConditionProfile; Profile footprint/threadsafety improvements; Make toString implementations more consistent; Greatly enhanced javadoc documentation for profiles; Deprecate old profiles
author Christian Humer <christian.humer@oracle.com>
date Wed, 16 Dec 2015 16:38:13 +0100
parents dc83cc1f94f2
children
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22500:fbe1eb7b4172 22501:a63bda98cfdb
24 */ 24 */
25 package com.oracle.truffle.api.utilities; 25 package com.oracle.truffle.api.utilities;
26 26
27 import com.oracle.truffle.api.CompilerDirectives; 27 import com.oracle.truffle.api.CompilerDirectives;
28 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal; 28 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
29
29 import java.util.Objects; 30 import java.util.Objects;
30 31
31 /** 32 /**
32 * Represents a {@link ValueProfile} that speculates on the primitive equality or object identity of 33 * @deprecated use {@link com.oracle.truffle.api.profiles.PrimitiveValueProfile} instead
33 * values.
34 * <p>
35 * Note that for {@code float} and {@code double} values we compare primitive equality via
36 * {@link Float#floatToRawIntBits} and {@link Double#doubleToRawLongBits}, so that for example
37 * {@code -0.0} is not considered the same as {@code 0.0}, even though primitive equality would
38 * normally say that it was.
39 */ 34 */
35 @Deprecated
36 @SuppressWarnings("deprecation")
40 public class PrimitiveValueProfile extends ValueProfile { 37 public class PrimitiveValueProfile extends ValueProfile {
41 38
42 private static final Object UNINITIALIZED = new Object(); 39 private static final Object UNINITIALIZED = new Object();
43 private static final Object GENERIC = new Object(); 40 private static final Object GENERIC = new Object();
44 41