Mercurial > hg > graal-compiler
view graal/com.oracle.graal.hotspot/src/com/oracle/graal/hotspot/nodes/IdentityHashCodeStubCall.java @ 9351:4bf3af9abdfb
generalized support for C runtime calls
author | Doug Simon <doug.simon@oracle.com> |
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date | Fri, 26 Apr 2013 22:57:22 +0200 |
parents | 2c0c708a0ad6 |
children | a14fef4fca7d |
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/* * Copyright (c) 2012, 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.nodes; import com.oracle.graal.api.code.*; import com.oracle.graal.api.code.RuntimeCallTarget.Descriptor; import com.oracle.graal.api.meta.*; import com.oracle.graal.compiler.gen.*; import com.oracle.graal.compiler.target.*; import com.oracle.graal.lir.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.type.*; /** * Node implementing a call to HotSpot's {@code graal_identityhashcode} stub. */ public class IdentityHashCodeStubCall extends DeoptimizingStubCall implements LIRGenLowerable { @Input private final ValueNode object; public static final Descriptor IDENTITY_HASHCODE = new Descriptor("identity_hashcode", false, int.class, Object.class); public IdentityHashCodeStubCall(ValueNode object) { super(StampFactory.forKind(Kind.Int)); this.object = object; } @Override public void generate(LIRGenerator gen) { RuntimeCallTarget stub = gen.getRuntime().lookupRuntimeCall(IdentityHashCodeStubCall.IDENTITY_HASHCODE); Variable result = gen.emitCall(stub, stub.getCallingConvention(), this, gen.operand(object)); gen.setResult(this, result); } @NodeIntrinsic public static int call(Object object) { return System.identityHashCode(object); } }