Mercurial > hg > graal-compiler
annotate src/share/vm/c1/c1_Compiler.cpp @ 1584:b812ff5abc73
6958292: C1: Enable parallel compilation
Summary: Enable parallel compilation in C1
Reviewed-by: never, kvn
| author | iveresov |
|---|---|
| date | Fri, 04 Jun 2010 11:18:04 -0700 |
| parents | c18cbe5936b8 |
| children | 2d26b0046e0d f95d63e2154a |
| rev | line source |
|---|---|
| 0 | 1 /* |
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2 * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 25 #include "incls/_precompiled.incl" | |
| 26 #include "incls/_c1_Compiler.cpp.incl" | |
| 27 | |
| 28 volatile int Compiler::_runtimes = uninitialized; | |
| 29 | |
| 30 Compiler::Compiler() { | |
| 31 } | |
| 32 | |
| 33 | |
| 34 Compiler::~Compiler() { | |
| 35 Unimplemented(); | |
| 36 } | |
| 37 | |
| 38 | |
| 1584 | 39 void Compiler::initialize_all() { |
| 40 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); | |
| 41 Arena* arena = new Arena(); | |
| 42 Runtime1::initialize(buffer_blob); | |
| 43 FrameMap::initialize(); | |
| 44 // initialize data structures | |
| 45 ValueType::initialize(arena); | |
| 46 // Instruction::initialize(); | |
| 47 // BlockBegin::initialize(); | |
| 48 GraphBuilder::initialize(); | |
| 49 // note: to use more than one instance of LinearScan at a time this function call has to | |
| 50 // be moved somewhere outside of this constructor: | |
| 51 Interval::initialize(arena); | |
| 52 } | |
| 53 | |
| 54 | |
| 0 | 55 void Compiler::initialize() { |
| 56 if (_runtimes != initialized) { | |
| 1584 | 57 initialize_runtimes( initialize_all, &_runtimes); |
| 0 | 58 } |
| 59 mark_initialized(); | |
| 60 } | |
| 61 | |
| 62 | |
| 1584 | 63 BufferBlob* Compiler::build_buffer_blob() { |
| 64 // setup CodeBuffer. Preallocate a BufferBlob of size | |
| 65 // NMethodSizeLimit plus some extra space for constants. | |
| 66 int code_buffer_size = Compilation::desired_max_code_buffer_size() + | |
| 67 Compilation::desired_max_constant_size(); | |
| 68 BufferBlob* blob = BufferBlob::create("Compiler1 temporary CodeBuffer", | |
| 69 code_buffer_size); | |
| 70 guarantee(blob != NULL, "must create initial code buffer"); | |
| 71 return blob; | |
| 72 } | |
| 73 | |
| 74 | |
| 0 | 75 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) { |
| 1584 | 76 // Allocate buffer blob once at startup since allocation for each |
| 77 // compilation seems to be too expensive (at least on Intel win32). | |
| 78 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); | |
| 79 if (buffer_blob == NULL) { | |
| 80 buffer_blob = build_buffer_blob(); | |
| 81 CompilerThread::current()->set_buffer_blob(buffer_blob); | |
| 82 } | |
| 0 | 83 |
| 84 if (!is_initialized()) { | |
| 85 initialize(); | |
| 86 } | |
| 87 // invoke compilation | |
| 88 { | |
| 89 // We are nested here because we need for the destructor | |
| 90 // of Compilation to occur before we release the any | |
| 91 // competing compiler thread | |
| 92 ResourceMark rm; | |
| 1584 | 93 Compilation c(this, env, method, entry_bci, buffer_blob); |
| 0 | 94 } |
| 95 } | |
| 96 | |
| 97 | |
| 98 void Compiler::print_timers() { | |
| 99 Compilation::print_timers(); | |
| 100 } |