Mercurial > hg > truffle
annotate agent/src/share/classes/sun/jvm/hotspot/opto/Block.java @ 14499:1077c8270209
8033260: assert(lrg._area >= 0.0) failed: negative spill area
Summary: Change type from float to double on block frequency, and add check for +Inf - +Inf operation
Reviewed-by: kvn, roland
| author | adlertz |
|---|---|
| date | Tue, 25 Feb 2014 17:51:27 +0100 |
| parents | 79f492f184d0 |
| children | 4ca6dc0799b6 |
| rev | line source |
|---|---|
| 3939 | 1 /* |
| 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 7440 | 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 3939 | 22 * |
| 23 */ | |
| 24 | |
| 25 package sun.jvm.hotspot.opto; | |
| 26 | |
| 27 import java.util.*; | |
| 28 import java.io.PrintStream; | |
| 29 import sun.jvm.hotspot.debugger.*; | |
| 30 import sun.jvm.hotspot.runtime.*; | |
| 31 import sun.jvm.hotspot.oops.*; | |
| 32 import sun.jvm.hotspot.types.*; | |
| 33 | |
| 34 public class Block extends VMObject { | |
| 35 static { | |
| 36 VM.registerVMInitializedObserver(new Observer() { | |
| 37 public void update(Observable o, Object data) { | |
| 38 initialize(VM.getVM().getTypeDataBase()); | |
| 39 } | |
| 40 }); | |
| 41 } | |
| 42 | |
| 43 private static synchronized void initialize(TypeDataBase db) throws WrongTypeException { | |
| 44 Type type = db.lookupType("Block"); | |
| 45 nodesField = type.getAddressField("_nodes"); | |
| 46 succsField = type.getAddressField("_succs"); | |
| 47 numSuccsField = new CIntField(type.getCIntegerField("_num_succs"), 0); | |
| 48 preOrderField = new CIntField(type.getCIntegerField("_pre_order"), 0); | |
| 49 domDepthField = new CIntField(type.getCIntegerField("_dom_depth"), 0); | |
| 50 idomField = type.getAddressField("_idom"); | |
|
14499
1077c8270209
8033260: assert(lrg._area >= 0.0) failed: negative spill area
adlertz
parents:
7440
diff
changeset
|
51 freqField = type.getJDoubleField("_freq"); |
| 3939 | 52 } |
| 53 | |
| 54 private static AddressField nodesField; | |
| 55 private static AddressField succsField; | |
| 56 private static CIntField numSuccsField; | |
| 57 private static CIntField preOrderField; | |
| 58 private static CIntField domDepthField; | |
| 59 private static AddressField idomField; | |
|
14499
1077c8270209
8033260: assert(lrg._area >= 0.0) failed: negative spill area
adlertz
parents:
7440
diff
changeset
|
60 private static JDoubleField freqField; |
| 3939 | 61 |
| 62 public Block(Address addr) { | |
| 63 super(addr); | |
| 64 } | |
| 65 | |
| 66 public int preOrder() { | |
| 67 return (int)preOrderField.getValue(getAddress()); | |
| 68 } | |
| 69 | |
|
14499
1077c8270209
8033260: assert(lrg._area >= 0.0) failed: negative spill area
adlertz
parents:
7440
diff
changeset
|
70 public double freq() { |
|
1077c8270209
8033260: assert(lrg._area >= 0.0) failed: negative spill area
adlertz
parents:
7440
diff
changeset
|
71 return (double)freqField.getValue(getAddress()); |
| 3939 | 72 } |
| 73 | |
| 74 public Node_List nodes() { | |
| 75 return new Node_List(getAddress().addOffsetTo(nodesField.getOffset())); | |
| 76 } | |
| 77 | |
| 78 public void dump(PrintStream out) { | |
| 79 out.print("B" + preOrder()); | |
| 80 out.print(" Freq: " + freq()); | |
| 81 out.println(); | |
| 82 Node_List nl = nodes(); | |
| 83 int cnt = nl.size(); | |
| 84 for( int i=0; i<cnt; i++ ) | |
| 85 nl.at(i).dump(out); | |
| 86 out.print("\n"); | |
| 87 } | |
| 88 } |