jdk8-mips64-public/hotspot: src/share/vm/utilities/chunkedList.cpp@aefa2e84b424

8074869: C2 code generator can replace -0.0f with +0.0f on Linux
Summary: Instead of 'fpclass', use cast float->int and double->long to check if value is +0.0f and +0.0d, respectively.
Reviewed-by: kvn, simonis, dlong

     1 /*

     2  * Copyright (c) 2014, 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  */

    25 #include "precompiled.hpp"

    26 #include "utilities/chunkedList.hpp"

    27 #include "utilities/debug.hpp"

    29 /////////////// Unit tests ///////////////

    31 #ifndef PRODUCT

    33 template <typename T>

    34 class TestChunkedList {

    35   typedef ChunkedList<T, mtOther> ChunkedListT;

    37  public:

    38   static void testEmpty() {

    39     ChunkedListT buffer;

    40     assert(buffer.size() == 0, "assert");

    41   }

    43   static void testFull() {

    44     ChunkedListT buffer;

    45     for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {

    46       buffer.push((T)i);

    47     }

    48     assert(buffer.size() == ChunkedListT::BufferSize, "assert");

    49     assert(buffer.is_full(), "assert");

    50   }

    52   static void testSize() {

    53     ChunkedListT buffer;

    54     for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {

    55       assert(buffer.size() == i, "assert");

    56       buffer.push((T)i);

    57       assert(buffer.size() == i + 1, "assert");

    58     }

    59   }

    61   static void testClear() {

    62     ChunkedListT buffer;

    64     buffer.clear();

    65     assert(buffer.size() == 0, "assert");

    67     for (uintptr_t i = 0; i < ChunkedListT::BufferSize / 2; i++) {

    68       buffer.push((T)i);

    69     }

    70     buffer.clear();

    71     assert(buffer.size() == 0, "assert");

    73     for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {

    74       buffer.push((T)i);

    75     }

    76     buffer.clear();

    77     assert(buffer.size() == 0, "assert");

    78   }

    80   static void testAt() {

    81     ChunkedListT buffer;

    83     for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {

    84       buffer.push((T)i);

    85       assert(buffer.at(i) == (T)i, "assert");

    86     }

    88     for (uintptr_t i = 0; i < ChunkedListT::BufferSize; i++) {

    89       assert(buffer.at(i) == (T)i, "assert");

    90     }

    91   }

    93   static void test() {

    94     testEmpty();

    95     testFull();

    96     testSize();

    97     testClear();

    98     testAt();

    99   }

   100 };

   102 class Metadata;

   104 void TestChunkedList_test() {

   105   TestChunkedList<Metadata*>::test();

   106   TestChunkedList<size_t>::test();

   107 }

   109 #endif

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/utilities/chunkedList.cpp@aefa2e84b424

src/share/vm/utilities/chunkedList.cpp