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comparison graal/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/ReadArgumentNode.java @ 13336:d4c6dd07be76

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SL: added exemplary uses of new profiling utility BranchProfile to SL.
author Christian Humer <christian.humer@gmail.com>
date Sun, 15 Dec 2013 22:20:12 +0100
parents 71991b7a0f14
children
comparison
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13335:8531c47138dc 13336:d4c6dd07be76
21 * questions. 21 * questions.
22 */ 22 */
23 package com.oracle.truffle.sl.nodes; 23 package com.oracle.truffle.sl.nodes;
24 24
25 import com.oracle.truffle.api.frame.*; 25 import com.oracle.truffle.api.frame.*;
26 import com.oracle.truffle.api.utilities.*;
26 import com.oracle.truffle.sl.runtime.*; 27 import com.oracle.truffle.sl.runtime.*;
27 28
28 public class ReadArgumentNode extends TypedNode { 29 public class ReadArgumentNode extends TypedNode {
29 30
30 private final int index; 31 private final int index;
32
33 private final BranchProfile outOfBounds = new BranchProfile();
34 private final BranchProfile inBounds = new BranchProfile();
31 35
32 public ReadArgumentNode(int index) { 36 public ReadArgumentNode(int index) {
33 this.index = index; 37 this.index = index;
34 } 38 }
35 39
36 @Override 40 @Override
37 public Object executeGeneric(VirtualFrame frame) { 41 public Object executeGeneric(VirtualFrame frame) {
38 Object[] args = SLArguments.get(frame).arguments; 42 Object[] args = SLArguments.get(frame).arguments;
39 if (index < args.length) { 43 if (index < args.length) {
44 inBounds.enter();
40 return args[index]; 45 return args[index];
41 } else { 46 } else {
47 outOfBounds.enter();
42 return SLNull.INSTANCE; 48 return SLNull.INSTANCE;
43 } 49 }
44 } 50 }
45 51
46 } 52 }