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comparison graal/GraalCompiler/src/com/sun/c1x/ir/MonitorEnter.java @ 2622:91d3952f7eb7

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Framestate work : using stateAFter and reducting the number of nodes with framestates. Intermediate state (does not pass tests)
author Gilles Duboscq <gilles.duboscq@oracle.com>
date Tue, 10 May 2011 12:37:46 +0200
parents dd115f80acf8
children 569228710be8
comparison
equal deleted inserted replaced
2621:dd115f80acf8 2622:91d3952f7eb7
32 public final class MonitorEnter extends AccessMonitor { 32 public final class MonitorEnter extends AccessMonitor {
33 33
34 private static final int INPUT_COUNT = 0; 34 private static final int INPUT_COUNT = 0;
35 35
36 private static final int SUCCESSOR_COUNT = 1; 36 private static final int SUCCESSOR_COUNT = 1;
37 private static final int SUCCESSOR_STATE_AFTER = 0;
38
39 @Override
40 protected int inputCount() {
41 return super.inputCount() + INPUT_COUNT;
42 }
43 37
44 @Override 38 @Override
45 protected int successorCount() { 39 protected int successorCount() {
46 return super.successorCount() + SUCCESSOR_COUNT; 40 return super.successorCount() + SUCCESSOR_COUNT;
47 }
48
49 /**
50 * The state for this instruction.
51 */
52 @Override
53 public FrameState stateAfter() {
54 return (FrameState) successors().get(super.successorCount() + SUCCESSOR_STATE_AFTER);
55 }
56
57 public FrameState setStateAfter(FrameState n) {
58 return (FrameState) successors().set(super.successorCount() + SUCCESSOR_STATE_AFTER, n);
59 } 41 }
60 42
61 /** 43 /**
62 * Creates a new MonitorEnter instruction. 44 * Creates a new MonitorEnter instruction.
63 * 45 *
64 * @param object the instruction producing the object 46 * @param object the instruction producing the object
65 * @param lockAddress the address of the on-stack lock object or {@code null} if the runtime does not place locks on the stack 47 * @param lockAddress the address of the on-stack lock object or {@code null} if the runtime does not place locks on the stack
66 * @param lockNumber the number of the lock 48 * @param lockNumber the number of the lock
67 * @param stateBefore the state before 49 * @param stateAfter the state after
68 * @param graph 50 * @param graph
69 */ 51 */
70 public MonitorEnter(Value object, Value lockAddress, int lockNumber, FrameState stateBefore, Graph graph) { 52 public MonitorEnter(Value object, Value lockAddress, int lockNumber, FrameState stateAfter, Graph graph) {
71 super(object, lockAddress, stateBefore, lockNumber, INPUT_COUNT, SUCCESSOR_COUNT, graph); 53 super(object, lockAddress, stateAfter, lockNumber, INPUT_COUNT, SUCCESSOR_COUNT, graph);
72 } 54 }
73 55
74 @Override 56 @Override
75 public void accept(ValueVisitor v) { 57 public void accept(ValueVisitor v) {
76 v.visitMonitorEnter(this); 58 v.visitMonitorEnter(this);