Mercurial > hg > graal-compiler
annotate src/share/vm/opto/c2compiler.cpp @ 3443:293f68bda347
7050280: assert(u->as_Unlock()->is_eliminated()) failed: sanity
Summary: Mark all associated (same box and obj) lock and unlock nodes for elimination if some of them marked already.
Reviewed-by: iveresov, never
author | kvn |
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date | Sat, 04 Jun 2011 10:36:22 -0700 |
parents | 1d1603768966 |
children | 6f3fd5150b67 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 1999, 2011, 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 "opto/c2compiler.hpp" | |
27 #include "opto/runtime.hpp" | |
28 #ifdef TARGET_ARCH_MODEL_x86_32 | |
29 # include "adfiles/ad_x86_32.hpp" | |
30 #endif | |
31 #ifdef TARGET_ARCH_MODEL_x86_64 | |
32 # include "adfiles/ad_x86_64.hpp" | |
33 #endif | |
34 #ifdef TARGET_ARCH_MODEL_sparc | |
35 # include "adfiles/ad_sparc.hpp" | |
36 #endif | |
37 #ifdef TARGET_ARCH_MODEL_zero | |
38 # include "adfiles/ad_zero.hpp" | |
39 #endif | |
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40 #ifdef TARGET_ARCH_MODEL_arm |
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41 # include "adfiles/ad_arm.hpp" |
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42 #endif |
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43 #ifdef TARGET_ARCH_MODEL_ppc |
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44 # include "adfiles/ad_ppc.hpp" |
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45 #endif |
0 | 46 |
47 | |
48 volatile int C2Compiler::_runtimes = uninitialized; | |
49 | |
50 // register information defined by ADLC | |
51 extern const char register_save_policy[]; | |
52 extern const int register_save_type[]; | |
53 | |
54 const char* C2Compiler::retry_no_subsuming_loads() { | |
55 return "retry without subsuming loads"; | |
56 } | |
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57 const char* C2Compiler::retry_no_escape_analysis() { |
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58 return "retry without escape analysis"; |
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59 } |
0 | 60 void C2Compiler::initialize_runtime() { |
61 | |
62 // Check assumptions used while running ADLC | |
63 Compile::adlc_verification(); | |
64 assert(REG_COUNT <= ConcreteRegisterImpl::number_of_registers, "incompatible register counts"); | |
65 | |
66 for (int i = 0; i < ConcreteRegisterImpl::number_of_registers ; i++ ) { | |
67 OptoReg::vm2opto[i] = OptoReg::Bad; | |
68 } | |
69 | |
70 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(REG_COUNT); i = OptoReg::add(i,1) ) { | |
71 VMReg r = OptoReg::as_VMReg(i); | |
72 if (r->is_valid()) { | |
73 OptoReg::vm2opto[r->value()] = i; | |
74 } | |
75 } | |
76 | |
77 // Check that runtime and architecture description agree on callee-saved-floats | |
78 bool callee_saved_floats = false; | |
79 for( OptoReg::Name i=OptoReg::Name(0); i<OptoReg::Name(_last_Mach_Reg); i = OptoReg::add(i,1) ) { | |
80 // Is there a callee-saved float or double? | |
81 if( register_save_policy[i] == 'E' /* callee-saved */ && | |
82 (register_save_type[i] == Op_RegF || register_save_type[i] == Op_RegD) ) { | |
83 callee_saved_floats = true; | |
84 } | |
85 } | |
86 | |
87 DEBUG_ONLY( Node::init_NodeProperty(); ) | |
88 | |
89 Compile::pd_compiler2_init(); | |
90 | |
91 CompilerThread* thread = CompilerThread::current(); | |
92 | |
93 HandleMark handle_mark(thread); | |
94 | |
95 OptoRuntime::generate(thread->env()); | |
96 | |
97 } | |
98 | |
99 | |
100 void C2Compiler::initialize() { | |
101 | |
102 // This method can only be called once per C2Compiler object | |
103 // The first compiler thread that gets here will initialize the | |
104 // small amount of global state (and runtime stubs) that c2 needs. | |
105 | |
106 // There is a race possible once at startup and then we're fine | |
107 | |
108 // Note that this is being called from a compiler thread not the | |
109 // main startup thread. | |
110 | |
111 if (_runtimes != initialized) { | |
112 initialize_runtimes( initialize_runtime, &_runtimes); | |
113 } | |
114 | |
115 // Mark this compiler object as ready to roll | |
116 mark_initialized(); | |
117 } | |
118 | |
119 void C2Compiler::compile_method(ciEnv* env, | |
120 ciMethod* target, | |
121 int entry_bci) { | |
122 if (!is_initialized()) { | |
123 initialize(); | |
124 } | |
1685 | 125 bool subsume_loads = SubsumeLoads; |
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126 bool do_escape_analysis = DoEscapeAnalysis && |
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127 !env->jvmti_can_access_local_variables(); |
0 | 128 while (!env->failing()) { |
129 // Attempt to compile while subsuming loads into machine instructions. | |
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130 Compile C(env, this, target, entry_bci, subsume_loads, do_escape_analysis); |
0 | 131 |
1685 | 132 |
0 | 133 // Check result and retry if appropriate. |
134 if (C.failure_reason() != NULL) { | |
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135 if (C.failure_reason_is(retry_no_subsuming_loads())) { |
0 | 136 assert(subsume_loads, "must make progress"); |
137 subsume_loads = false; | |
138 continue; // retry | |
139 } | |
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140 if (C.failure_reason_is(retry_no_escape_analysis())) { |
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141 assert(do_escape_analysis, "must make progress"); |
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142 do_escape_analysis = false; |
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143 continue; // retry |
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144 } |
0 | 145 // Pass any other failure reason up to the ciEnv. |
146 // Note that serious, irreversible failures are already logged | |
147 // on the ciEnv via env->record_method_not_compilable(). | |
148 env->record_failure(C.failure_reason()); | |
149 } | |
1685 | 150 if (StressRecompilation) { |
151 if (subsume_loads) { | |
152 subsume_loads = false; | |
153 continue; // retry | |
154 } | |
155 if (do_escape_analysis) { | |
156 do_escape_analysis = false; | |
157 continue; // retry | |
158 } | |
159 } | |
0 | 160 |
161 // No retry; just break the loop. | |
162 break; | |
163 } | |
164 } | |
165 | |
166 | |
167 void C2Compiler::print_timers() { | |
168 // do nothing | |
169 } |