test/hotspot/jtreg/runtime/invokedynamic/DynamicConstantHelper.jasm

/*
 * Copyright (c) 2020, Huawei Technologies Co. Ltd. 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.
 *
 */

super public class DynamicConstantHelper
    version 55:0
{

static Method getDoubleConstant:"(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Object;I)D"
    stack 2 locals 4
{
    dconst_0;
    dreturn;
}

static varargs Method getIntConstant:"(Ljava/lang/invoke/MethodHandles$Lookup;[Ljava/lang/Object;)I"
    stack 1 locals 2
{
    ldc int 6;
    ireturn;
}

public static Method "testDoubleConstantDynamic":"()V"
    stack 4 locals 1
{
    ldc2_w Dynamic REF_invokeStatic:
            DynamicConstantHelper.getDoubleConstant:
            "(Ljava/lang/invoke/MethodHandles$Lookup;Ljava/lang/String;Ljava/lang/Object;I)D":constDynDouble:"D" int 0;
    getstatic Field java/lang/System.out:"Ljava/io/PrintStream;";
    ldc String "testDoubleConstantDynamic: PASSED";
    invokevirtual Method java/io/PrintStream.println:"(Ljava/lang/String;)V";
    return;
}

public static Method "testIntConstantDynamic":"()V"
    stack 4 locals 1
{
    ldc_w Dynamic REF_invokeStatic:
            DynamicConstantHelper.getIntConstant:
            "(Ljava/lang/invoke/MethodHandles$Lookup;[Ljava/lang/Object;)I":constantdynamic:"I";
    getstatic Field java/lang/System.out:"Ljava/io/PrintStream;";
    ldc String "testIntConstantDynamic: PASSED";
    invokevirtual Method java/io/PrintStream.println:"(Ljava/lang/String;)V";
    return;
}
}