jdk.graal.compiler.hotspot.aarch64.AArch64HotSpotDeoptimizeCallerOp Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of compiler Show documentation

The GraalVM compiler and the Graal-truffle optimizer.

There is a newer version: 24.1.1

/*
 * Copyright (c) 2013, 2020, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 jdk.graal.compiler.hotspot.aarch64;

import jdk.graal.compiler.asm.aarch64.AArch64MacroAssembler;
import jdk.graal.compiler.hotspot.GraalHotSpotVMConfig;
import jdk.graal.compiler.hotspot.HotSpotHostBackend;
import jdk.graal.compiler.lir.LIRInstructionClass;
import jdk.graal.compiler.lir.Opcode;
import jdk.graal.compiler.lir.aarch64.AArch64Call;
import jdk.graal.compiler.lir.asm.CompilationResultBuilder;

/**
 * Removes the current frame and tail calls the uncommon trap routine.
 */
@Opcode("DEOPT_CALLER")
public class AArch64HotSpotDeoptimizeCallerOp extends AArch64HotSpotEpilogueOp {
    public static final LIRInstructionClass TYPE = LIRInstructionClass.create(AArch64HotSpotDeoptimizeCallerOp.class);

    public AArch64HotSpotDeoptimizeCallerOp(GraalHotSpotVMConfig config) {
        super(TYPE, config);
    }

    @Override
    public void emitCode(CompilationResultBuilder crb, AArch64MacroAssembler masm) {
        leaveFrame(crb, masm, /* emitSafepoint */false, false);
        AArch64Call.directJmp(crb, masm, crb.getForeignCalls().lookupForeignCall(HotSpotHostBackend.DEOPT_BLOB_UNCOMMON_TRAP));
    }
}