Tue, 11 Nov 2014 11:05:41 +0100
8056071: compiler/whitebox/IsMethodCompilableTest.java fails with 'method() is not compilable after 3 iterations'
Summary: Always use MDO if valid and always compile trivial methods with C1 if available.
Reviewed-by: kvn, iveresov
duke@435 | 1 | /* |
never@3500 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
trims@1907 | 21 | * questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
stefank@2314 | 25 | #include "precompiled.hpp" |
brutisso@3266 | 26 | |
brutisso@3266 | 27 | /////////////// Unit tests /////////////// |
brutisso@3266 | 28 | |
brutisso@3266 | 29 | #ifndef PRODUCT |
brutisso@3266 | 30 | |
stefank@2314 | 31 | #include "oops/arrayOop.hpp" |
never@3500 | 32 | #include "oops/oop.inline.hpp" |
brutisso@3266 | 33 | #include "utilities/globalDefinitions.hpp" |
duke@435 | 34 | |
brutisso@3266 | 35 | bool arrayOopDesc::check_max_length_overflow(BasicType type) { |
brutisso@3266 | 36 | julong length = max_array_length(type); |
brutisso@3266 | 37 | julong bytes_per_element = type2aelembytes(type); |
brutisso@3266 | 38 | julong bytes = length * bytes_per_element + header_size_in_bytes(); |
brutisso@3266 | 39 | return (julong)(size_t)bytes == bytes; |
brutisso@3266 | 40 | } |
brutisso@3266 | 41 | |
stefank@3335 | 42 | void arrayOopDesc::test_max_array_length() { |
brutisso@3266 | 43 | assert(check_max_length_overflow(T_BOOLEAN), "size_t overflow for boolean array"); |
brutisso@3266 | 44 | assert(check_max_length_overflow(T_CHAR), "size_t overflow for char array"); |
brutisso@3266 | 45 | assert(check_max_length_overflow(T_FLOAT), "size_t overflow for float array"); |
brutisso@3266 | 46 | assert(check_max_length_overflow(T_DOUBLE), "size_t overflow for double array"); |
brutisso@3266 | 47 | assert(check_max_length_overflow(T_BYTE), "size_t overflow for byte array"); |
brutisso@3266 | 48 | assert(check_max_length_overflow(T_SHORT), "size_t overflow for short array"); |
brutisso@3266 | 49 | assert(check_max_length_overflow(T_INT), "size_t overflow for int array"); |
brutisso@3266 | 50 | assert(check_max_length_overflow(T_LONG), "size_t overflow for long array"); |
brutisso@3266 | 51 | assert(check_max_length_overflow(T_OBJECT), "size_t overflow for object array"); |
brutisso@3266 | 52 | assert(check_max_length_overflow(T_ARRAY), "size_t overflow for array array"); |
brutisso@3266 | 53 | assert(check_max_length_overflow(T_NARROWOOP), "size_t overflow for narrowOop array"); |
brutisso@3266 | 54 | |
brutisso@3266 | 55 | // T_VOID and T_ADDRESS are not supported by max_array_length() |
brutisso@3266 | 56 | } |
brutisso@3266 | 57 | |
brutisso@3266 | 58 | |
brutisso@3266 | 59 | #endif //PRODUCT |