Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.hsail/src/com/oracle/graal/hotspot/hsail/HSAILHotSpotNodeLIRBuilder.java @ 15024:2ee777221036
Use high level CompressionNode in lowering of CompareAndSwapNode.
author | Roland Schatz <roland.schatz@oracle.com> |
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date | Tue, 08 Apr 2014 16:04:00 +0200 |
parents | db4254246f9a |
children | 2cae21d9f122 |
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/* * Copyright (c) 2013, 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.graal.hotspot.hsail; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.hsail.*; import com.oracle.graal.graph.*; import com.oracle.graal.hotspot.HotSpotVMConfig.CompressEncoding; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.hotspot.nodes.*; import com.oracle.graal.nodes.*; /** * The HotSpot specific portion of the HSAIL LIR generator. */ public class HSAILHotSpotNodeLIRBuilder extends HSAILNodeLIRBuilder { public HSAILHotSpotNodeLIRBuilder(StructuredGraph graph, LIRGenerator lirGen) { super(graph, lirGen); } @Override protected void emitNode(ValueNode node) { if (node instanceof CurrentJavaThreadNode) { throw new GraalInternalError("HSAILHotSpotLIRGenerator cannot handle node: " + node); } else { super.emitNode(node); } } /** * @return a compressed version of the incoming constant lifted from AMD64HotSpotLIRGenerator */ protected static Constant compress(Constant c, CompressEncoding encoding) { if (c.getKind() == Kind.Long) { int compressedValue = (int) (((c.asLong() - encoding.base) >> encoding.shift) & 0xffffffffL); if (c instanceof HotSpotMetaspaceConstant) { return HotSpotMetaspaceConstant.forMetaspaceObject(Kind.Int, compressedValue, HotSpotMetaspaceConstant.getMetaspaceObject(c)); } else { return Constant.forIntegerKind(Kind.Int, compressedValue); } } else { throw GraalInternalError.shouldNotReachHere(); } } }