hotspot/test/compiler/codegen/LoadWithMask.java
author iveresov
Fri, 17 Jan 2014 18:09:08 -0800
changeset 22512 ac73b3e6d336
child 26916 8a1deee4f9b4
permissions -rw-r--r--
8032207: C2: assert(VerifyOops || MachNode::size(ra_) <= (3+1)*4) failed: bad fixed size Summary: Fix the sizing of loadUS2L_immI16 and loadI2L_immI Reviewed-by: kvn, azeemj
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/*
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 * Copyright (c) 2014, 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 8032207
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 * @summary Invalid node sizing for loadUS2L_immI16 and loadI2L_immI
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 * @run main/othervm -server -Xbatch -XX:-TieredCompilation -XX:CompileCommand=compileonly,LoadWithMask.foo LoadWithMask
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 *
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 */
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public class LoadWithMask {
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  static int x[] = new int[1];
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  static long foo() {
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    return x[0] & 0xfff0ffff;
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  }
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  public static void main(String[] args) {
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    x[0] = -1;
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    long l = 0;
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    for (int i = 0; i < 100000; ++i) {
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      l = foo();
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    }
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  }
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}