001/*
002 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.hotspot.sparc;
024
025import jdk.internal.jvmci.code.*;
026import jdk.internal.jvmci.hotspot.*;
027import jdk.internal.jvmci.meta.*;
028import static jdk.internal.jvmci.sparc.SPARC.*;
029
030import com.oracle.graal.asm.sparc.*;
031import com.oracle.graal.asm.sparc.SPARCMacroAssembler.*;
032import com.oracle.graal.lir.*;
033import com.oracle.graal.lir.asm.*;
034import com.oracle.graal.lir.sparc.SPARCCall.DirectCallOp;
035import com.oracle.graal.nodes.CallTargetNode.InvokeKind;
036
037/**
038 * A direct call that complies with the conventions for such calls in HotSpot. In particular, for
039 * calls using an inline cache, a MOVE instruction is emitted just prior to the aligned direct call.
040 */
041@Opcode("CALL_DIRECT")
042final class SPARCHotspotDirectVirtualCallOp extends DirectCallOp {
043    public static final LIRInstructionClass<SPARCHotspotDirectVirtualCallOp> TYPE = LIRInstructionClass.create(SPARCHotspotDirectVirtualCallOp.class);
044    public static final SizeEstimate SIZE = SizeEstimate.create(8);
045
046    private final InvokeKind invokeKind;
047    private final HotSpotVMConfig config;
048
049    SPARCHotspotDirectVirtualCallOp(ResolvedJavaMethod target, Value result, Value[] parameters, Value[] temps, LIRFrameState state, InvokeKind invokeKind, HotSpotVMConfig config) {
050        super(TYPE, SIZE, target, result, parameters, temps, state);
051        this.invokeKind = invokeKind;
052        this.config = config;
053        assert invokeKind.isIndirect();
054    }
055
056    @Override
057    public void emitCallPrefixCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
058        // The mark for an invocation that uses an inline cache must be placed at the
059        // instruction that loads the Klass from the inline cache.
060        crb.recordMark(invokeKind == InvokeKind.Virtual ? config.MARKID_INVOKEVIRTUAL : config.MARKID_INVOKEINTERFACE);
061        Register scratchRegister = g5;
062        new Setx(config.nonOopBits, scratchRegister, true).emit(masm);
063    }
064}