hotspot/test/compiler/6700047/Test6700047.java
author kvn
Wed, 25 May 2011 21:17:07 -0700
changeset 9961 5d84243241ac
parent 5547 f4b087cbb361
permissions -rw-r--r--
7048332: Cadd_cmpLTMask doesn't handle 64-bit tmp register properly Summary: Use ins_encode %{ %} form to encode cadd_cmpLTMask() instruction and remove unused code. Reviewed-by: never
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/*
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 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/**
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 * @test
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 * @bug 6700047
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 * @summary C2 failed in idom_no_update
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 * @run main Test6700047
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 */
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public class Test6700047 {
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    static byte[] dummy = new byte[256];
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    public static void main(String[] args) {
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        for (int i = 0; i < 100000; i++) {
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            intToLeftPaddedAsciiBytes();
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        }
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    }
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    public static int intToLeftPaddedAsciiBytes() {
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        int offset = 40;
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        int q;
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        int r;
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        int         i   = 100;
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        int result = 1;
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        while (offset > 0) {
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            q = (i * 52429);
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            r = i;
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            offset--;
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            i = q;
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            if (i == 0) {
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                break;
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            }
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        }
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        if (offset > 0) {
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            for(int j = 0; j < offset; j++) {
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                result++;
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                dummy[i] = 0;
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            }
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        }
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        return result;
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    }
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}