Mercurial > hg > graal-compiler
annotate src/share/vm/c1/c1_Compiler.cpp @ 17936:968a17f18337
8042786: Proper fix for 8032566
Summary: Check for overflow cases in range checks and collapse it if we can.
Reviewed-by: jrose, iveresov
author | kvn |
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date | Fri, 16 May 2014 12:05:14 -0700 |
parents | 55fb97c4c58d |
children | 16e101c8691f 833b0f92429a |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2013, 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 | |
1972 | 25 #include "precompiled.hpp" |
26 #include "c1/c1_Compilation.hpp" | |
27 #include "c1/c1_Compiler.hpp" | |
28 #include "c1/c1_FrameMap.hpp" | |
29 #include "c1/c1_GraphBuilder.hpp" | |
30 #include "c1/c1_LinearScan.hpp" | |
31 #include "c1/c1_MacroAssembler.hpp" | |
32 #include "c1/c1_Runtime1.hpp" | |
33 #include "c1/c1_ValueType.hpp" | |
34 #include "compiler/compileBroker.hpp" | |
35 #include "compiler/compilerOracle.hpp" | |
36 #include "interpreter/linkResolver.hpp" | |
37 #include "memory/allocation.hpp" | |
38 #include "memory/allocation.inline.hpp" | |
39 #include "memory/resourceArea.hpp" | |
40 #include "prims/nativeLookup.hpp" | |
41 #include "runtime/arguments.hpp" | |
42 #include "runtime/interfaceSupport.hpp" | |
43 #include "runtime/sharedRuntime.hpp" | |
0 | 44 |
45 | |
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46 Compiler::Compiler () {} |
0 | 47 |
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48 void Compiler::init_c1_runtime() { |
1584 | 49 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); |
6197 | 50 Arena* arena = new (mtCompiler) Arena(); |
1584 | 51 Runtime1::initialize(buffer_blob); |
52 FrameMap::initialize(); | |
53 // initialize data structures | |
54 ValueType::initialize(arena); | |
55 GraphBuilder::initialize(); | |
56 // note: to use more than one instance of LinearScan at a time this function call has to | |
57 // be moved somewhere outside of this constructor: | |
58 Interval::initialize(arena); | |
59 } | |
60 | |
61 | |
0 | 62 void Compiler::initialize() { |
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63 // Buffer blob must be allocated per C1 compiler thread at startup |
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64 BufferBlob* buffer_blob = init_buffer_blob(); |
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65 |
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66 if (should_perform_init()) { |
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67 if (buffer_blob == NULL) { |
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68 // When we come here we are in state 'initializing'; entire C1 compilation |
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69 // can be shut down. |
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70 set_state(failed); |
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71 } else { |
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72 init_c1_runtime(); |
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73 set_state(initialized); |
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74 } |
0 | 75 } |
76 } | |
77 | |
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78 BufferBlob* Compiler::init_buffer_blob() { |
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79 // Allocate buffer blob once at startup since allocation for each |
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80 // compilation seems to be too expensive (at least on Intel win32). |
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81 assert (CompilerThread::current()->get_buffer_blob() == NULL, "Should initialize only once"); |
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82 |
1584 | 83 // setup CodeBuffer. Preallocate a BufferBlob of size |
84 // NMethodSizeLimit plus some extra space for constants. | |
85 int code_buffer_size = Compilation::desired_max_code_buffer_size() + | |
86 Compilation::desired_max_constant_size(); | |
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87 |
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88 BufferBlob* buffer_blob = BufferBlob::create("C1 temporary CodeBuffer", code_buffer_size); |
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89 if (buffer_blob != NULL) { |
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90 CompilerThread::current()->set_buffer_blob(buffer_blob); |
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91 } |
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92 |
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93 return buffer_blob; |
1584 | 94 } |
95 | |
96 | |
0 | 97 void Compiler::compile_method(ciEnv* env, ciMethod* method, int entry_bci) { |
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98 BufferBlob* buffer_blob = CompilerThread::current()->get_buffer_blob(); |
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99 assert(buffer_blob != NULL, "Must exist"); |
0 | 100 // invoke compilation |
101 { | |
102 // We are nested here because we need for the destructor | |
103 // of Compilation to occur before we release the any | |
104 // competing compiler thread | |
105 ResourceMark rm; | |
1584 | 106 Compilation c(this, env, method, entry_bci, buffer_blob); |
0 | 107 } |
108 } | |
109 | |
110 | |
111 void Compiler::print_timers() { | |
112 Compilation::print_timers(); | |
113 } |