1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/opto/phase.hpp Sat Dec 01 00:00:00 2007 +0000
1.3 @@ -0,0 +1,113 @@
1.4 +/*
1.5 + * Copyright 1997-2005 Sun Microsystems, Inc. All Rights Reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
1.24 + * have any questions.
1.25 + *
1.26 + */
1.27 +
1.28 +class Compile;
1.29 +
1.30 +//------------------------------Phase------------------------------------------
1.31 +// Most optimizations are done in Phases. Creating a phase does any long
1.32 +// running analysis required, and caches the analysis in internal data
1.33 +// structures. Later the analysis is queried using transform() calls to
1.34 +// guide transforming the program. When the Phase is deleted, so is any
1.35 +// cached analysis info. This basic Phase class mostly contains timing and
1.36 +// memory management code.
1.37 +class Phase : public StackObj {
1.38 +public:
1.39 + enum PhaseNumber {
1.40 + Compiler, // Top-level compiler phase
1.41 + Parser, // Parse bytecodes
1.42 + Remove_Useless, // Remove useless nodes
1.43 + Optimistic, // Optimistic analysis phase
1.44 + GVN, // Pessimistic global value numbering phase
1.45 + Ins_Select, // Instruction selection phase
1.46 + Copy_Elimination, // Copy Elimination
1.47 + Dead_Code_Elimination, // DCE and compress Nodes
1.48 + Conditional_Constant, // Conditional Constant Propagation
1.49 + CFG, // Build a CFG
1.50 + DefUse, // Build Def->Use chains
1.51 + Register_Allocation, // Register allocation, duh
1.52 + LIVE, // Dragon-book LIVE range problem
1.53 + Interference_Graph, // Building the IFG
1.54 + Coalesce, // Coalescing copies
1.55 + Conditional_CProp, // Conditional Constant Propagation
1.56 + Ideal_Loop, // Find idealized trip-counted loops
1.57 + Macro_Expand, // Expand macro nodes
1.58 + Peephole, // Apply peephole optimizations
1.59 + last_phase
1.60 + };
1.61 +protected:
1.62 + enum PhaseNumber _pnum; // Phase number (for stat gathering)
1.63 +
1.64 +#ifndef PRODUCT
1.65 + static int _total_bytes_compiled;
1.66 +
1.67 + // accumulated timers
1.68 + static elapsedTimer _t_totalCompilation;
1.69 + static elapsedTimer _t_methodCompilation;
1.70 + static elapsedTimer _t_stubCompilation;
1.71 +#endif
1.72 +
1.73 +// The next timers used for LogCompilation
1.74 + static elapsedTimer _t_parser;
1.75 + static elapsedTimer _t_escapeAnalysis;
1.76 + static elapsedTimer _t_optimizer;
1.77 + static elapsedTimer _t_idealLoop;
1.78 + static elapsedTimer _t_ccp;
1.79 + static elapsedTimer _t_matcher;
1.80 + static elapsedTimer _t_registerAllocation;
1.81 + static elapsedTimer _t_output;
1.82 +
1.83 +#ifndef PRODUCT
1.84 + static elapsedTimer _t_graphReshaping;
1.85 + static elapsedTimer _t_scheduler;
1.86 + static elapsedTimer _t_removeEmptyBlocks;
1.87 + static elapsedTimer _t_macroExpand;
1.88 + static elapsedTimer _t_peephole;
1.89 + static elapsedTimer _t_codeGeneration;
1.90 + static elapsedTimer _t_registerMethod;
1.91 + static elapsedTimer _t_temporaryTimer1;
1.92 + static elapsedTimer _t_temporaryTimer2;
1.93 +
1.94 +// Subtimers for _t_optimizer
1.95 + static elapsedTimer _t_iterGVN;
1.96 + static elapsedTimer _t_iterGVN2;
1.97 +
1.98 +// Subtimers for _t_registerAllocation
1.99 + static elapsedTimer _t_ctorChaitin;
1.100 + static elapsedTimer _t_buildIFGphysical;
1.101 + static elapsedTimer _t_computeLive;
1.102 + static elapsedTimer _t_regAllocSplit;
1.103 + static elapsedTimer _t_postAllocCopyRemoval;
1.104 + static elapsedTimer _t_fixupSpills;
1.105 +
1.106 +// Subtimers for _t_output
1.107 + static elapsedTimer _t_instrSched;
1.108 + static elapsedTimer _t_buildOopMaps;
1.109 +#endif
1.110 +public:
1.111 + Compile * C;
1.112 + Phase( PhaseNumber pnum );
1.113 +#ifndef PRODUCT
1.114 + static void print_timers();
1.115 +#endif
1.116 +};
