1 /*

     2  * Copyright (c) 2015, 2016, 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  *

    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.

    22  */

    23 

    24 

    25 package org.graalvm.compiler.hotspot.replacements.arraycopy;

    26 

    27 import org.graalvm.compiler.graph.NodeClass;

    28 import org.graalvm.compiler.nodeinfo.InputType;

    29 import org.graalvm.compiler.nodeinfo.NodeInfo;

    30 import org.graalvm.compiler.nodes.ValueNode;

    31 import org.graalvm.compiler.nodes.type.StampTool;

    32 import org.graalvm.compiler.replacements.SnippetTemplate;

    33 import org.graalvm.compiler.replacements.nodes.BasicArrayCopyNode;

    34 

    35 import jdk.vm.ci.code.BytecodeFrame;

    36 import jdk.vm.ci.meta.JavaKind;

    37 

    38 @NodeInfo(allowedUsageTypes = InputType.Memory)

    39 public final class ArrayCopyWithSlowPathNode extends BasicArrayCopyNode {

    40 

    41     public static final NodeClass<ArrayCopyWithSlowPathNode> TYPE = NodeClass.create(ArrayCopyWithSlowPathNode.class);

    42 

    43     private final SnippetTemplate.SnippetInfo snippet;

    44 

    45     public ArrayCopyWithSlowPathNode(ValueNode src, ValueNode srcPos, ValueNode dest, ValueNode destPos, ValueNode length, SnippetTemplate.SnippetInfo snippet, JavaKind elementKind) {

    46         super(TYPE, src, srcPos, dest, destPos, length, elementKind, BytecodeFrame.INVALID_FRAMESTATE_BCI);

    47         assert StampTool.isPointerNonNull(src) && StampTool.isPointerNonNull(dest) : "must have been null checked";

    48         this.snippet = snippet;

    49     }

    50 

    51     @NodeIntrinsic

    52     public static native void arraycopy(Object nonNullSrc, int srcPos, Object nonNullDest, int destPos, int length, @ConstantNodeParameter SnippetTemplate.SnippetInfo snippet,

    53                     @ConstantNodeParameter JavaKind elementKind);

    54 

    55     public SnippetTemplate.SnippetInfo getSnippet() {

    56         return snippet;

    57     }

    58 

    59     public void setBci(int bci) {

    60         this.bci = bci;

    61     }

    62 }