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comparison truffle/com.oracle.truffle.api.profiles/src/com/oracle/truffle/api/profiles/DoubleValueProfile.java @ 22504:d80a5ff56f51

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Storing the profiling enabled information in a static field; checking it only once; shielding against missing method in the TruffleRuntime interface
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Thu, 17 Dec 2015 13:45:37 +0100
parents 828c67903db2
children
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22503:828c67903db2 22504:d80a5ff56f51
24 */ 24 */
25 package com.oracle.truffle.api.profiles; 25 package com.oracle.truffle.api.profiles;
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 import com.oracle.truffle.api.Truffle;
30 29
31 /** 30 /**
32 * <p> 31 * <p>
33 * Specialized value profile to capture certain properties of <code>double</code> runtime values. 32 * Specialized value profile to capture certain properties of <code>double</code> runtime values.
34 * Value profiles require a runtime check in their initialized state to verify their profiled 33 * Value profiles require a runtime check in their initialized state to verify their profiled
72 * {@link Double#doubleToRawLongBits(double)}. 71 * {@link Double#doubleToRawLongBits(double)}.
73 * 72 *
74 * @see IntValueProfile 73 * @see IntValueProfile
75 */ 74 */
76 public static DoubleValueProfile createRawIdentityProfile() { 75 public static DoubleValueProfile createRawIdentityProfile() {
77 if (Truffle.getRuntime().isProfilingEnabled()) { 76 if (Profile.isProfilingEnabled()) {
78 return Enabled.create(); 77 return Enabled.create();
79 } else { 78 } else {
80 return Disabled.INSTANCE; 79 return Disabled.INSTANCE;
81 } 80 }
82 } 81 }