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comparison graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/snippets/InstanceOfSnippets.java @ 6303:7acbc95b4b2b

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enabled InstanceOfSnippets for general lowering of InstanceOfNodes
author Doug Simon <doug.simon@oracle.com>
date Fri, 31 Aug 2012 22:20:13 +0200
parents 5d7d9a6953bd
children ed73a5639244
comparison
equal deleted inserted replaced
6302:5d7d9a6953bd 6303:7acbc95b4b2b
32 import com.oracle.graal.compiler.*; 32 import com.oracle.graal.compiler.*;
33 import com.oracle.graal.graph.*; 33 import com.oracle.graal.graph.*;
34 import com.oracle.graal.hotspot.*; 34 import com.oracle.graal.hotspot.*;
35 import com.oracle.graal.hotspot.meta.*; 35 import com.oracle.graal.hotspot.meta.*;
36 import com.oracle.graal.nodes.*; 36 import com.oracle.graal.nodes.*;
37 import com.oracle.graal.nodes.calc.*;
37 import com.oracle.graal.nodes.extended.*; 38 import com.oracle.graal.nodes.extended.*;
38 import com.oracle.graal.nodes.java.*; 39 import com.oracle.graal.nodes.java.*;
39 import com.oracle.graal.nodes.spi.*; 40 import com.oracle.graal.nodes.spi.*;
40 import com.oracle.graal.nodes.util.*; 41 import com.oracle.graal.nodes.util.*;
41 import com.oracle.graal.snippets.*; 42 import com.oracle.graal.snippets.*;
57 * Fast subtype checking in the HotSpot JVM</a> by Cliff Click and John Rose. 58 * Fast subtype checking in the HotSpot JVM</a> by Cliff Click and John Rose.
58 */ 59 */
59 public class InstanceOfSnippets implements SnippetsInterface { 60 public class InstanceOfSnippets implements SnippetsInterface {
60 61
61 /** 62 /**
62 * A test against a final type with the result being {@linkplain MaterializeNode materialized}. 63 * A test against a final type with the result being {@linkplain ConditionalNode materialized}.
63 */ 64 */
64 @Snippet 65 @Snippet
65 public static Object materializeExact( 66 public static Object materializeExact(
66 @Parameter("object") Object object, 67 @Parameter("object") Object object,
67 @Parameter("exactHub") Object exactHub, 68 @Parameter("exactHub") Object exactHub,
103 exactHit.inc(); 104 exactHit.inc();
104 jump(IfNode.TRUE_EDGE); 105 jump(IfNode.TRUE_EDGE);
105 } 106 }
106 107
107 /** 108 /**
108 * A test against a primary type with the result being {@linkplain MaterializeNode materialized}. 109 * A test against a primary type with the result being {@linkplain ConditionalNode materialized}.
109 */ 110 */
110 @Snippet 111 @Snippet
111 public static Object materializePrimary( 112 public static Object materializePrimary(
112 @Parameter("hub") Object hub, 113 @Parameter("hub") Object hub,
113 @Parameter("object") Object object, 114 @Parameter("object") Object object,
152 jump(IfNode.TRUE_EDGE); 153 jump(IfNode.TRUE_EDGE);
153 return; 154 return;
154 } 155 }
155 156
156 /** 157 /**
157 * A test against a restricted secondary type type with the result being {@linkplain MaterializeNode materialized}. 158 * A test against a restricted secondary type type with the result being {@linkplain ConditionalNode materialized}.
158 */ 159 */
159 @Snippet 160 @Snippet
160 public static Object materializeSecondary( 161 public static Object materializeSecondary(
161 @Parameter("hub") Object hub, 162 @Parameter("hub") Object hub,
162 @Parameter("object") Object object, 163 @Parameter("object") Object object,
216 jump(IfNode.TRUE_EDGE); 217 jump(IfNode.TRUE_EDGE);
217 return; 218 return;
218 } 219 }
219 220
220 /** 221 /**
221 * A test against an unknown (at compile time) type with the result being {@linkplain MaterializeNode materialized}. 222 * A test against an unknown (at compile time) type with the result being {@linkplain ConditionalNode materialized}.
222 */ 223 */
223 @Snippet 224 @Snippet
224 public static Object materializeUnknown( 225 public static Object materializeUnknown(
225 @Parameter("hub") Object hub, 226 @Parameter("hub") Object hub,
226 @Parameter("object") Object object, 227 @Parameter("object") Object object,
433 434
434 SnippetTemplate template = cache.get(key); 435 SnippetTemplate template = cache.get(key);
435 template.instantiate(runtime, duplicate, ifNode, arguments); 436 template.instantiate(runtime, duplicate, ifNode, arguments);
436 assert ifNode.isDeleted(); 437 assert ifNode.isDeleted();
437 438
438 } else if (usage instanceof MaterializeNode) { 439 } else if (usage instanceof ConditionalNode) {
439 440
440 MaterializeNode materialize = (MaterializeNode) usage; 441 ConditionalNode materialize = (ConditionalNode) usage;
441 materialize.replaceAtUsages(duplicate); 442 materialize.replaceAtUsages(duplicate);
442 ValueNode falseValue = materialize.falseValue(); 443 ValueNode falseValue = materialize.falseValue();
443 ValueNode trueValue = materialize.trueValue(); 444 ValueNode trueValue = materialize.trueValue();
444 445
445 // The materialize node is no longer connected to anyone -> kill it 446 // The materialize node is no longer connected to anyone -> kill it