Tue, 09 Mar 2010 20:16:19 +0100
6919934: JSR 292 needs to support x86 C1
Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1999-2007 Sun Microsystems, Inc. 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 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | #include "incls/_precompiled.incl" |
duke@435 | 26 | #include "incls/_c1_Compiler.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | volatile int Compiler::_runtimes = uninitialized; |
duke@435 | 29 | |
duke@435 | 30 | volatile bool Compiler::_compiling = false; |
duke@435 | 31 | |
duke@435 | 32 | |
duke@435 | 33 | Compiler::Compiler() { |
duke@435 | 34 | } |
duke@435 | 35 | |
duke@435 | 36 | |
duke@435 | 37 | Compiler::~Compiler() { |
duke@435 | 38 | Unimplemented(); |
duke@435 | 39 | } |
duke@435 | 40 | |
duke@435 | 41 | |
duke@435 | 42 | void Compiler::initialize() { |
duke@435 | 43 | if (_runtimes != initialized) { |
duke@435 | 44 | initialize_runtimes( Runtime1::initialize, &_runtimes); |
duke@435 | 45 | } |
duke@435 | 46 | mark_initialized(); |
duke@435 | 47 | } |
duke@435 | 48 | |
duke@435 | 49 | |
duke@435 | 50 | void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) { |
duke@435 | 51 | |
duke@435 | 52 | if (!is_initialized()) { |
duke@435 | 53 | initialize(); |
duke@435 | 54 | } |
duke@435 | 55 | // invoke compilation |
duke@435 | 56 | #ifdef TIERED |
duke@435 | 57 | // We are thread in native here... |
duke@435 | 58 | CompilerThread* thread = CompilerThread::current(); |
duke@435 | 59 | { |
duke@435 | 60 | ThreadInVMfromNative tv(thread); |
duke@435 | 61 | MutexLocker only_one (C1_lock, thread); |
duke@435 | 62 | while ( _compiling) { |
duke@435 | 63 | C1_lock->wait(); |
duke@435 | 64 | } |
duke@435 | 65 | _compiling = true; |
duke@435 | 66 | } |
duke@435 | 67 | #endif // TIERED |
duke@435 | 68 | { |
duke@435 | 69 | // We are nested here because we need for the destructor |
duke@435 | 70 | // of Compilation to occur before we release the any |
duke@435 | 71 | // competing compiler thread |
duke@435 | 72 | ResourceMark rm; |
duke@435 | 73 | Compilation c(this, env, method, entry_bci); |
duke@435 | 74 | } |
duke@435 | 75 | #ifdef TIERED |
duke@435 | 76 | { |
duke@435 | 77 | ThreadInVMfromNative tv(thread); |
duke@435 | 78 | MutexLocker only_one (C1_lock, thread); |
duke@435 | 79 | _compiling = false; |
duke@435 | 80 | C1_lock->notify(); |
duke@435 | 81 | } |
duke@435 | 82 | #endif // TIERED |
duke@435 | 83 | } |
duke@435 | 84 | |
duke@435 | 85 | |
duke@435 | 86 | void Compiler::print_timers() { |
duke@435 | 87 | Compilation::print_timers(); |
duke@435 | 88 | } |