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rev 7082 : 8068881: SIGBUS in C2 compiled method weblogic.wsee.jaxws.framework.jaxrpc.EnvironmentFactory$SimulatedWsdlDefinitions.<init>
Summary: Use MachMerge to hook together defs of the same multidef value in a block
Reviewed-by: kvn, vlivanov
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--- old/hotspot/src/share/vm/opto/phase.cpp
+++ new/hotspot/src/share/vm/opto/phase.cpp
1 1 /*
2 2 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.
3 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 4 *
5 5 * This code is free software; you can redistribute it and/or modify it
6 6 * under the terms of the GNU General Public License version 2 only, as
7 7 * published by the Free Software Foundation.
8 8 *
9 9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 12 * version 2 for more details (a copy is included in the LICENSE file that
13 13 * accompanied this code).
14 14 *
15 15 * You should have received a copy of the GNU General Public License version
16 16 * 2 along with this work; if not, write to the Free Software Foundation,
17 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 18 *
19 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 20 * or visit www.oracle.com if you need additional information or have any
21 21 * questions.
22 22 *
23 23 */
24 24
25 25 #include "precompiled.hpp"
26 26 #include "code/nmethod.hpp"
27 27 #include "compiler/compileBroker.hpp"
28 28 #include "opto/compile.hpp"
29 29 #include "opto/matcher.hpp"
30 30 #include "opto/node.hpp"
31 31 #include "opto/phase.hpp"
32 32
33 33 #ifndef PRODUCT
34 34 int Phase::_total_bytes_compiled = 0;
35 35
36 36 elapsedTimer Phase::_t_totalCompilation;
37 37 elapsedTimer Phase::_t_methodCompilation;
38 38 elapsedTimer Phase::_t_stubCompilation;
39 39 #endif
40 40
41 41 // The next timers used for LogCompilation
42 42 elapsedTimer Phase::_t_parser;
43 43 elapsedTimer Phase::_t_optimizer;
44 44 elapsedTimer Phase::_t_escapeAnalysis;
45 45 elapsedTimer Phase::_t_connectionGraph;
46 46 elapsedTimer Phase::_t_idealLoop;
47 47 elapsedTimer Phase::_t_ccp;
48 48 elapsedTimer Phase::_t_matcher;
49 49 elapsedTimer Phase::_t_registerAllocation;
50 50 elapsedTimer Phase::_t_output;
51 51
52 52 #ifndef PRODUCT
53 53 elapsedTimer Phase::_t_graphReshaping;
54 54 elapsedTimer Phase::_t_scheduler;
55 55 elapsedTimer Phase::_t_blockOrdering;
56 56 elapsedTimer Phase::_t_macroEliminate;
57 57 elapsedTimer Phase::_t_macroExpand;
58 58 elapsedTimer Phase::_t_peephole;
59 59 elapsedTimer Phase::_t_postalloc_expand;
60 60 elapsedTimer Phase::_t_codeGeneration;
61 61 elapsedTimer Phase::_t_registerMethod;
62 62 elapsedTimer Phase::_t_temporaryTimer1;
63 63 elapsedTimer Phase::_t_temporaryTimer2;
64 64 elapsedTimer Phase::_t_idealLoopVerify;
65 65
66 66 // Subtimers for _t_optimizer
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67 67 elapsedTimer Phase::_t_iterGVN;
68 68 elapsedTimer Phase::_t_iterGVN2;
69 69 elapsedTimer Phase::_t_incrInline;
70 70
71 71 // Subtimers for _t_registerAllocation
72 72 elapsedTimer Phase::_t_ctorChaitin;
73 73 elapsedTimer Phase::_t_buildIFGphysical;
74 74 elapsedTimer Phase::_t_computeLive;
75 75 elapsedTimer Phase::_t_regAllocSplit;
76 76 elapsedTimer Phase::_t_postAllocCopyRemoval;
77 +elapsedTimer Phase::_t_mergeMultidefs;
77 78 elapsedTimer Phase::_t_fixupSpills;
78 79
79 80 // Subtimers for _t_output
80 81 elapsedTimer Phase::_t_instrSched;
81 82 elapsedTimer Phase::_t_buildOopMaps;
82 83 #endif
83 84
84 85 //------------------------------Phase------------------------------------------
85 86 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
86 87 // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
87 88 // This is an effective place to poll, since the compiler is full of phases.
88 89 // In particular, every inlining site uses a recursively created Parse phase.
89 90 CompileBroker::maybe_block();
90 91 }
91 92
92 93 #ifndef PRODUCT
93 94 static const double minimum_reported_time = 0.0001; // seconds
94 95 static const double expected_method_compile_coverage = 0.97; // %
95 96 static const double minimum_meaningful_method_compile = 2.00; // seconds
96 97
97 98 void Phase::print_timers() {
98 99 tty->print_cr ("Accumulated compiler times:");
99 100 tty->print_cr ("---------------------------");
100 101 tty->print_cr (" Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
101 102 tty->print (" method compilation : %3.3f sec", Phase::_t_methodCompilation.seconds());
102 103 tty->print ("/%d bytes",_total_bytes_compiled);
103 104 tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
104 105 tty->print_cr (" stub compilation : %3.3f sec.", Phase::_t_stubCompilation.seconds());
105 106 tty->print_cr (" Phases:");
106 107 tty->print_cr (" parse : %3.3f sec", Phase::_t_parser.seconds());
107 108 tty->print_cr (" optimizer : %3.3f sec", Phase::_t_optimizer.seconds());
108 109 if( Verbose || WizardMode ) {
109 110 if (DoEscapeAnalysis) {
110 111 // EA is part of Optimizer.
111 112 tty->print_cr (" escape analysis: %3.3f sec", Phase::_t_escapeAnalysis.seconds());
112 113 tty->print_cr (" connection graph: %3.3f sec", Phase::_t_connectionGraph.seconds());
113 114 tty->print_cr (" macroEliminate : %3.3f sec", Phase::_t_macroEliminate.seconds());
114 115 }
115 116 tty->print_cr (" iterGVN : %3.3f sec", Phase::_t_iterGVN.seconds());
116 117 tty->print_cr (" incrInline : %3.3f sec", Phase::_t_incrInline.seconds());
117 118 tty->print_cr (" idealLoop : %3.3f sec", Phase::_t_idealLoop.seconds());
118 119 tty->print_cr (" idealLoopVerify: %3.3f sec", Phase::_t_idealLoopVerify.seconds());
119 120 tty->print_cr (" ccp : %3.3f sec", Phase::_t_ccp.seconds());
120 121 tty->print_cr (" iterGVN2 : %3.3f sec", Phase::_t_iterGVN2.seconds());
121 122 tty->print_cr (" macroExpand : %3.3f sec", Phase::_t_macroExpand.seconds());
122 123 tty->print_cr (" graphReshape : %3.3f sec", Phase::_t_graphReshaping.seconds());
123 124 double optimizer_subtotal = Phase::_t_iterGVN.seconds() + Phase::_t_iterGVN2.seconds() +
124 125 Phase::_t_escapeAnalysis.seconds() + Phase::_t_macroEliminate.seconds() +
125 126 Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
126 127 Phase::_t_macroExpand.seconds() + Phase::_t_graphReshaping.seconds();
127 128 double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
128 129 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", optimizer_subtotal, percent_of_optimizer);
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129 130 }
130 131 tty->print_cr (" matcher : %3.3f sec", Phase::_t_matcher.seconds());
131 132 tty->print_cr (" scheduler : %3.3f sec", Phase::_t_scheduler.seconds());
132 133 tty->print_cr (" regalloc : %3.3f sec", Phase::_t_registerAllocation.seconds());
133 134 if( Verbose || WizardMode ) {
134 135 tty->print_cr (" ctorChaitin : %3.3f sec", Phase::_t_ctorChaitin.seconds());
135 136 tty->print_cr (" buildIFG : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
136 137 tty->print_cr (" computeLive : %3.3f sec", Phase::_t_computeLive.seconds());
137 138 tty->print_cr (" regAllocSplit : %3.3f sec", Phase::_t_regAllocSplit.seconds());
138 139 tty->print_cr (" postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
140 + tty->print_cr (" mergeMultidefs: %3.3f sec", Phase::_t_mergeMultidefs.seconds());
139 141 tty->print_cr (" fixupSpills : %3.3f sec", Phase::_t_fixupSpills.seconds());
140 142 double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
141 143 Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
142 144 Phase::_t_regAllocSplit.seconds() + Phase::_t_fixupSpills.seconds() +
143 - Phase::_t_postAllocCopyRemoval.seconds();
145 + Phase::_t_postAllocCopyRemoval.seconds() + Phase::_t_mergeMultidefs.seconds();
144 146 double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
145 147 tty->print_cr (" subtotal : %3.3f sec, %3.2f %%", regalloc_subtotal, percent_of_regalloc);
146 148 }
147 149 tty->print_cr (" blockOrdering : %3.3f sec", Phase::_t_blockOrdering.seconds());
148 150 tty->print_cr (" peephole : %3.3f sec", Phase::_t_peephole.seconds());
149 151 if (Matcher::require_postalloc_expand) {
150 152 tty->print_cr (" postalloc_expand: %3.3f sec", Phase::_t_postalloc_expand.seconds());
151 153 }
152 154 tty->print_cr (" codeGen : %3.3f sec", Phase::_t_codeGeneration.seconds());
153 155 tty->print_cr (" install_code : %3.3f sec", Phase::_t_registerMethod.seconds());
154 156 tty->print_cr (" -------------- : ----------");
155 157 double phase_subtotal = Phase::_t_parser.seconds() +
156 158 Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
157 159 Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
158 160 Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
159 161 Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
160 162 double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
161 163 // counters inside Compile::CodeGen include time for adapters and stubs
162 164 // so phase-total can be greater than 100%
163 165 tty->print_cr (" total : %3.3f sec, %3.2f %%", phase_subtotal, percent_of_method_compile);
164 166
165 167 assert( percent_of_method_compile > expected_method_compile_coverage ||
166 168 phase_subtotal < minimum_meaningful_method_compile,
167 169 "Must account for method compilation");
168 170
169 171 if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
170 172 tty->cr();
171 173 tty->print_cr (" temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
172 174 }
173 175 if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
174 176 tty->cr();
175 177 tty->print_cr (" temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());
176 178 }
177 179 tty->print_cr (" output : %3.3f sec", Phase::_t_output.seconds());
178 180 tty->print_cr (" isched : %3.3f sec", Phase::_t_instrSched.seconds());
179 181 tty->print_cr (" bldOopMaps : %3.3f sec", Phase::_t_buildOopMaps.seconds());
180 182 }
181 183 #endif
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