1/*
2 * Copyright (c) 2012, 2015, 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 */
23package org.graalvm.compiler.hotspot.sparc;
24
25import static jdk.vm.ci.sparc.SPARC.g5;
26
27import org.graalvm.compiler.asm.sparc.SPARCMacroAssembler;
28import org.graalvm.compiler.hotspot.GraalHotSpotVMConfig;
29import org.graalvm.compiler.lir.LIRFrameState;
30import org.graalvm.compiler.lir.LIRInstructionClass;
31import org.graalvm.compiler.lir.Opcode;
32import org.graalvm.compiler.lir.asm.CompilationResultBuilder;
33import org.graalvm.compiler.lir.sparc.SPARCCall.DirectCallOp;
34import org.graalvm.compiler.nodes.CallTargetNode.InvokeKind;
35
36import jdk.vm.ci.code.Register;
37import jdk.vm.ci.meta.ResolvedJavaMethod;
38import jdk.vm.ci.meta.Value;
39
40/**
41 * A direct call that complies with the conventions for such calls in HotSpot. In particular, for
42 * calls using an inline cache, a MOVE instruction is emitted just prior to the aligned direct call.
43 */
44@Opcode("CALL_DIRECT")
45final class SPARCHotspotDirectVirtualCallOp extends DirectCallOp {
46    public static final LIRInstructionClass<SPARCHotspotDirectVirtualCallOp> TYPE = LIRInstructionClass.create(SPARCHotspotDirectVirtualCallOp.class);
47    public static final SizeEstimate SIZE = SizeEstimate.create(8);
48
49    private final InvokeKind invokeKind;
50    private final GraalHotSpotVMConfig config;
51
52    SPARCHotspotDirectVirtualCallOp(ResolvedJavaMethod target, Value result, Value[] parameters, Value[] temps, LIRFrameState state, InvokeKind invokeKind, GraalHotSpotVMConfig config) {
53        super(TYPE, SIZE, target, result, parameters, temps, state);
54        this.invokeKind = invokeKind;
55        this.config = config;
56        assert invokeKind.isIndirect();
57    }
58
59    @Override
60    public void emitCallPrefixCode(CompilationResultBuilder crb, SPARCMacroAssembler masm) {
61        // The mark for an invocation that uses an inline cache must be placed at the
62        // instruction that loads the Klass from the inline cache.
63        crb.recordMark(invokeKind == InvokeKind.Virtual ? config.MARKID_INVOKEVIRTUAL : config.MARKID_INVOKEINTERFACE);
64        Register scratchRegister = g5;
65        masm.setx(config.nonOopBits, scratchRegister, true);
66    }
67}
68