hotspot/test/compiler/7048332/Test7048332.java
author kvn
Wed, 25 May 2011 21:17:07 -0700
changeset 9961 5d84243241ac
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) 2011, 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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/**
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 * @test
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 * @bug 7048332
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 * @summary Cadd_cmpLTMask doesn't handle 64-bit tmp register properly
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 *
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 * @run main/othervm -Xbatch Test7048332
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 */
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public class Test7048332 {
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  static int capacity = 2;
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  static int first = 1;
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  static int last = 2;
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  static int test(int i1, int i2, int i3, int i4, int i5, int i6) {
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    final int result;
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    if (last >= first) {
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      result = last - first;
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    } else {
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      result = last - first + capacity;
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    }
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    return result;
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  }
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  public static void main(String [] args) {
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    for (int i = 0; i < 11000; i++) {
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      last = (i & 1) << 1; // 0 or 2
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      int k = test(1, 2, 3, 4, 5, 6);
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      if (k != 1) {
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        System.out.println("FAILED: " + k + " != 1");
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        System.exit(97);
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      }
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    }
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  }
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}