1 /*
   2  * Copyright (c) 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 package org.graalvm.compiler.hotspot.sparc;
  24 
  25 import org.graalvm.compiler.graph.Node;
  26 import org.graalvm.compiler.hotspot.nodes.HotSpotNodeCostProvider;
  27 import org.graalvm.compiler.hotspot.nodes.JumpToExceptionHandlerNode;
  28 import org.graalvm.compiler.nodeinfo.NodeCycles;
  29 import org.graalvm.compiler.nodeinfo.NodeSize;
  30 import org.graalvm.compiler.nodes.ReturnNode;
  31 
  32 public class SPARCHotSpotNodeCostProvider extends HotSpotNodeCostProvider {
  33 
  34     @Override
  35     public NodeCycles cycles(Node n) {
  36         if (n instanceof ReturnNode) {
  37             return NodeCycles.CYCLES_6;
  38         } else if (n instanceof JumpToExceptionHandlerNode) {
  39             // restore caller window
  40             return NodeCycles.CYCLES_3;
  41         }
  42         return super.cycles(n);
  43     }
  44 
  45     @Override
  46     public NodeSize size(Node n) {
  47         if (n instanceof ReturnNode) {
  48             return NodeSize.SIZE_4;
  49         } else if (n instanceof JumpToExceptionHandlerNode) {
  50             // restore caller window
  51             return NodeSize.SIZE_3;
  52         }
  53         return super.size(n);
  54     }
  55 }