Mercurial > hg > graal-compiler
view graal/com.oracle.jvmci.hotspot/src/com/oracle/jvmci/hotspot/HotSpotReferenceMap.java @ 21746:372fd062bb85
improved names of arraycopy snippet counters
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 05 Jun 2015 17:07:45 +0200 |
parents | df9d2375512a |
children |
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/* * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.jvmci.hotspot; import static com.oracle.jvmci.code.ValueUtil.*; import java.util.*; import com.oracle.jvmci.code.*; import com.oracle.jvmci.meta.*; public final class HotSpotReferenceMap extends ReferenceMap { private Value[] objects; private int[] bytesPerElement; private int maxRegisterSize; private ArrayList<Value> objectValues; private final TargetDescription target; public HotSpotReferenceMap(TargetDescription target) { this.target = target; this.objects = Value.NO_VALUES; } @Override public void reset() { objectValues = new ArrayList<>(); objects = Value.NO_VALUES; bytesPerElement = null; maxRegisterSize = 0; } @Override public void addLiveValue(Value v) { if (isConstant(v)) { return; } LIRKind lirKind = v.getLIRKind(); if (!lirKind.isValue()) { objectValues.add(v); } if (isRegister(v)) { int size = target.getSizeInBytes(lirKind.getPlatformKind()); if (size > maxRegisterSize) { maxRegisterSize = size; } } } @Override public void finish() { objects = objectValues.toArray(new Value[objectValues.size()]); this.bytesPerElement = new int[objects.length]; for (int i = 0; i < objects.length; i++) { bytesPerElement[i] = bytesPerElement(objects[i].getLIRKind()); } objectValues = null; } private int bytesPerElement(LIRKind kind) { PlatformKind platformKind = kind.getPlatformKind(); return target.getSizeInBytes(platformKind) / platformKind.getVectorLength(); } @Override public int hashCode() { throw new UnsupportedOperationException(); } @Override public boolean equals(Object obj) { if (this == obj) { return true; } if (obj instanceof HotSpotReferenceMap) { HotSpotReferenceMap that = (HotSpotReferenceMap) obj; if (Arrays.equals(objects, that.objects) && this.target.equals(that.target)) { return true; } } return false; } @Override public String toString() { return Arrays.toString(objects); } }