Mercurial > hg > graal-compiler
view src/share/vm/compiler/abstractCompiler.cpp @ 20578:f31986da9319
8054530: C2: assert(res == old_res) failed: Inconsistency between old and new
Summary: Fixed signedness problem with assertion.
Reviewed-by: kvn
author | morris |
---|---|
date | Wed, 13 Aug 2014 13:00:53 -0700 |
parents | 55fb97c4c58d |
children | 4ca6dc0799b6 |
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// // Copyright (c) 2007, 2013, Oracle and/or its affiliates. All rights reserved. // DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. // // This code is free software; you can redistribute it and/or modify it // under the terms of the GNU General Public License version 2 only, as // published by the Free Software Foundation. // // This code is distributed in the hope that it will be useful, but WITHOUT // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License // version 2 for more details (a copy is included in the LICENSE file that // accompanied this code). // // You should have received a copy of the GNU General Public License version // 2 along with this work; if not, write to the Free Software Foundation, // Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. // // Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA // or visit www.oracle.com if you need additional information or have any // questions. // #include "precompiled.hpp" #include "compiler/abstractCompiler.hpp" #include "compiler/compileBroker.hpp" #include "runtime/mutexLocker.hpp" bool AbstractCompiler::should_perform_init() { if (_compiler_state != initialized) { MutexLocker only_one(CompileThread_lock); if (_compiler_state == uninitialized) { _compiler_state = initializing; return true; } else { while (_compiler_state == initializing) { CompileThread_lock->wait(); } } } return false; } bool AbstractCompiler::should_perform_shutdown() { // Since this method can be called by multiple threads, the lock ensures atomicity of // decrementing '_num_compiler_threads' and the following operations. MutexLocker only_one(CompileThread_lock); _num_compiler_threads--; assert (CompileBroker::is_compilation_disabled_forever(), "Must be set, otherwise thread waits forever"); // Only the last thread will perform shutdown operations if (_num_compiler_threads == 0) { return true; } return false; } void AbstractCompiler::set_state(int state) { // Ensure that ste is only set by one thread at a time MutexLocker only_one(CompileThread_lock); _compiler_state = state; CompileThread_lock->notify_all(); }