1/* 2 * Copyright (c) 2008, 2018, 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 */ 23/* 24variation of: 25 class VerifyInitLocal2N extends VerifyInitLocal { 26 private boolean isfalse; 27 private boolean verified; 28 public VerifyInitLocal2N() { verified = !isfalse; } 29 public boolean verify() { return verified; } 30 } 31*/ 32 33super class jit/verifier/VerifyInitLocal/VerifyInitLocal2N 34 extends jit/verifier/VerifyInitLocal/VerifyInitLocal 35{ 36 37private Field isfalse:Z; 38private Field verified:Z; 39 40public Method "<init>":"()V" 41 stack 3 locals 1 42{ 43 // Early initialization of local field must not include a read: 44 aload_0; 45 aload_0; 46 getfield Field isfalse:"Z"; //BAD 47 iconst_1; 48 ixor; 49 putfield Field verified:"Z"; 50 51 aload_0; 52 invokespecial Method jit/verifier/VerifyInitLocal/VerifyInitLocal."<init>":"()V"; 53 return; 54} 55 56public Method verify:"()Z" 57 stack 1 locals 1 58{ 59 aload_0; 60 getfield Field verified:"Z"; 61 ireturn; 62} 63 64} // end Class VerifyInitLocal2N 65