src/share/vm/opto/phase.cpp

Thu, 21 Jul 2011 11:25:07 -0700

author
kvn
date
Thu, 21 Jul 2011 11:25:07 -0700
changeset 3037
3d42f82cd811
parent 2556
3763ca6579b7
child 3651
ee138854b3a6
permissions
-rw-r--r--

7063628: Use cbcond on T4
Summary: Add new short branch instruction to Hotspot sparc assembler.
Reviewed-by: never, twisti, jrose

     1 /*
     2  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
     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  *
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    20  * or visit www.oracle.com if you need additional information or have any
    21  * questions.
    22  *
    23  */
    25 #include "precompiled.hpp"
    26 #include "code/nmethod.hpp"
    27 #include "compiler/compileBroker.hpp"
    28 #include "opto/compile.hpp"
    29 #include "opto/node.hpp"
    30 #include "opto/phase.hpp"
    32 #ifndef PRODUCT
    33 int Phase::_total_bytes_compiled = 0;
    35 elapsedTimer Phase::_t_totalCompilation;
    36 elapsedTimer Phase::_t_methodCompilation;
    37 elapsedTimer Phase::_t_stubCompilation;
    38 #endif
    40 // The next timers used for LogCompilation
    41 elapsedTimer Phase::_t_parser;
    42 elapsedTimer Phase::_t_escapeAnalysis;
    43 elapsedTimer Phase::_t_optimizer;
    44 elapsedTimer   Phase::_t_idealLoop;
    45 elapsedTimer   Phase::_t_ccp;
    46 elapsedTimer Phase::_t_matcher;
    47 elapsedTimer Phase::_t_registerAllocation;
    48 elapsedTimer Phase::_t_output;
    50 #ifndef PRODUCT
    51 elapsedTimer Phase::_t_graphReshaping;
    52 elapsedTimer Phase::_t_scheduler;
    53 elapsedTimer Phase::_t_blockOrdering;
    54 elapsedTimer Phase::_t_macroExpand;
    55 elapsedTimer Phase::_t_peephole;
    56 elapsedTimer Phase::_t_codeGeneration;
    57 elapsedTimer Phase::_t_registerMethod;
    58 elapsedTimer Phase::_t_temporaryTimer1;
    59 elapsedTimer Phase::_t_temporaryTimer2;
    60 elapsedTimer Phase::_t_idealLoopVerify;
    62 // Subtimers for _t_optimizer
    63 elapsedTimer   Phase::_t_iterGVN;
    64 elapsedTimer   Phase::_t_iterGVN2;
    66 // Subtimers for _t_registerAllocation
    67 elapsedTimer   Phase::_t_ctorChaitin;
    68 elapsedTimer   Phase::_t_buildIFGphysical;
    69 elapsedTimer   Phase::_t_computeLive;
    70 elapsedTimer   Phase::_t_regAllocSplit;
    71 elapsedTimer   Phase::_t_postAllocCopyRemoval;
    72 elapsedTimer   Phase::_t_fixupSpills;
    74 // Subtimers for _t_output
    75 elapsedTimer   Phase::_t_instrSched;
    76 elapsedTimer   Phase::_t_buildOopMaps;
    77 #endif
    79 //------------------------------Phase------------------------------------------
    80 Phase::Phase( PhaseNumber pnum ) : _pnum(pnum), C( pnum == Compiler ? NULL : Compile::current()) {
    81   // Poll for requests from shutdown mechanism to quiesce compiler (4448539, 4448544).
    82   // This is an effective place to poll, since the compiler is full of phases.
    83   // In particular, every inlining site uses a recursively created Parse phase.
    84   CompileBroker::maybe_block();
    85 }
    87 #ifndef PRODUCT
    88 static const double minimum_reported_time             = 0.0001; // seconds
    89 static const double expected_method_compile_coverage  = 0.97;   // %
    90 static const double minimum_meaningful_method_compile = 2.00;   // seconds
    92 void Phase::print_timers() {
    93   tty->print_cr ("Accumulated compiler times:");
    94   tty->print_cr ("---------------------------");
    95   tty->print_cr ("  Total compilation: %3.3f sec.", Phase::_t_totalCompilation.seconds());
    96   tty->print    ("    method compilation   : %3.3f sec", Phase::_t_methodCompilation.seconds());
    97   tty->print    ("/%d bytes",_total_bytes_compiled);
    98   tty->print_cr (" (%3.0f bytes per sec) ", Phase::_total_bytes_compiled / Phase::_t_methodCompilation.seconds());
    99   tty->print_cr ("    stub compilation     : %3.3f sec.", Phase::_t_stubCompilation.seconds());
   100   tty->print_cr ("  Phases:");
   101   tty->print_cr ("    parse          : %3.3f sec", Phase::_t_parser.seconds());
   102   tty->print_cr ("    optimizer      : %3.3f sec", Phase::_t_optimizer.seconds());
   103   if( Verbose || WizardMode ) {
   104     if (DoEscapeAnalysis) {
   105       // EA is part of Optimizer.
   106       tty->print_cr ("      escape analysis: %3.3f sec", Phase::_t_escapeAnalysis.seconds());
   107     }
   108     tty->print_cr ("      iterGVN        : %3.3f sec", Phase::_t_iterGVN.seconds());
   109     tty->print_cr ("      idealLoop      : %3.3f sec", Phase::_t_idealLoop.seconds());
   110     tty->print_cr ("      idealLoopVerify: %3.3f sec", Phase::_t_idealLoopVerify.seconds());
   111     tty->print_cr ("      ccp            : %3.3f sec", Phase::_t_ccp.seconds());
   112     tty->print_cr ("      iterGVN2       : %3.3f sec", Phase::_t_iterGVN2.seconds());
   113     tty->print_cr ("      macroExpand    : %3.3f sec", Phase::_t_macroExpand.seconds());
   114     tty->print_cr ("      graphReshape   : %3.3f sec", Phase::_t_graphReshaping.seconds());
   115     double optimizer_subtotal = Phase::_t_iterGVN.seconds() +
   116       Phase::_t_idealLoop.seconds() + Phase::_t_ccp.seconds() +
   117       Phase::_t_graphReshaping.seconds();
   118     double percent_of_optimizer = ((optimizer_subtotal == 0.0) ? 0.0 : (optimizer_subtotal / Phase::_t_optimizer.seconds() * 100.0));
   119     tty->print_cr ("      subtotal       : %3.3f sec,  %3.2f %%", optimizer_subtotal, percent_of_optimizer);
   120   }
   121   tty->print_cr ("    matcher        : %3.3f sec", Phase::_t_matcher.seconds());
   122   tty->print_cr ("    scheduler      : %3.3f sec", Phase::_t_scheduler.seconds());
   123   tty->print_cr ("    regalloc       : %3.3f sec", Phase::_t_registerAllocation.seconds());
   124   if( Verbose || WizardMode ) {
   125     tty->print_cr ("      ctorChaitin    : %3.3f sec", Phase::_t_ctorChaitin.seconds());
   126     tty->print_cr ("      buildIFG       : %3.3f sec", Phase::_t_buildIFGphysical.seconds());
   127     tty->print_cr ("      computeLive    : %3.3f sec", Phase::_t_computeLive.seconds());
   128     tty->print_cr ("      regAllocSplit  : %3.3f sec", Phase::_t_regAllocSplit.seconds());
   129     tty->print_cr ("      postAllocCopyRemoval: %3.3f sec", Phase::_t_postAllocCopyRemoval.seconds());
   130     tty->print_cr ("      fixupSpills    : %3.3f sec", Phase::_t_fixupSpills.seconds());
   131     double regalloc_subtotal = Phase::_t_ctorChaitin.seconds() +
   132       Phase::_t_buildIFGphysical.seconds() + Phase::_t_computeLive.seconds() +
   133       Phase::_t_regAllocSplit.seconds()    + Phase::_t_fixupSpills.seconds() +
   134       Phase::_t_postAllocCopyRemoval.seconds();
   135     double percent_of_regalloc = ((regalloc_subtotal == 0.0) ? 0.0 : (regalloc_subtotal / Phase::_t_registerAllocation.seconds() * 100.0));
   136     tty->print_cr ("      subtotal       : %3.3f sec,  %3.2f %%", regalloc_subtotal, percent_of_regalloc);
   137   }
   138   tty->print_cr ("    blockOrdering  : %3.3f sec", Phase::_t_blockOrdering.seconds());
   139   tty->print_cr ("    peephole       : %3.3f sec", Phase::_t_peephole.seconds());
   140   tty->print_cr ("    codeGen        : %3.3f sec", Phase::_t_codeGeneration.seconds());
   141   tty->print_cr ("    install_code   : %3.3f sec", Phase::_t_registerMethod.seconds());
   142   tty->print_cr ("    -------------- : ----------");
   143   double phase_subtotal = Phase::_t_parser.seconds() +
   144     Phase::_t_optimizer.seconds() + Phase::_t_graphReshaping.seconds() +
   145     Phase::_t_matcher.seconds() + Phase::_t_scheduler.seconds() +
   146     Phase::_t_registerAllocation.seconds() + Phase::_t_blockOrdering.seconds() +
   147     Phase::_t_codeGeneration.seconds() + Phase::_t_registerMethod.seconds();
   148   double percent_of_method_compile = ((phase_subtotal == 0.0) ? 0.0 : phase_subtotal / Phase::_t_methodCompilation.seconds()) * 100.0;
   149   // counters inside Compile::CodeGen include time for adapters and stubs
   150   // so phase-total can be greater than 100%
   151   tty->print_cr ("    total          : %3.3f sec,  %3.2f %%", phase_subtotal, percent_of_method_compile);
   153   assert( percent_of_method_compile > expected_method_compile_coverage ||
   154           phase_subtotal < minimum_meaningful_method_compile,
   155           "Must account for method compilation");
   157   if( Phase::_t_temporaryTimer1.seconds() > minimum_reported_time ) {
   158     tty->cr();
   159     tty->print_cr ("    temporaryTimer1: %3.3f sec", Phase::_t_temporaryTimer1.seconds());
   160   }
   161   if( Phase::_t_temporaryTimer2.seconds() > minimum_reported_time ) {
   162     tty->cr();
   163     tty->print_cr ("    temporaryTimer2: %3.3f sec", Phase::_t_temporaryTimer2.seconds());
   164   }
   165   tty->print_cr ("    output         : %3.3f sec", Phase::_t_output.seconds());
   166   tty->print_cr ("      isched         : %3.3f sec", Phase::_t_instrSched.seconds());
   167   tty->print_cr ("      bldOopMaps     : %3.3f sec", Phase::_t_buildOopMaps.seconds());
   168 }
   169 #endif

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