Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/opto/phase.hpp
src/share/vm/opto/phase.hpp
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| 1 /* | |
| 2 * Copyright (c) 1997, 2013, 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 */ | |
| 24 | |
| 25 #ifndef SHARE_VM_OPTO_PHASE_HPP | |
| 26 #define SHARE_VM_OPTO_PHASE_HPP | |
| 27 | |
| 28 #include "libadt/port.hpp" | |
| 29 #include "runtime/timer.hpp" | |
| 30 | |
| 31 class Compile; | |
| 32 | |
| 33 //------------------------------Phase------------------------------------------ | |
| 34 // Most optimizations are done in Phases. Creating a phase does any long | |
| 35 // running analysis required, and caches the analysis in internal data | |
| 36 // structures. Later the analysis is queried using transform() calls to | |
| 37 // guide transforming the program. When the Phase is deleted, so is any | |
| 38 // cached analysis info. This basic Phase class mostly contains timing and | |
| 39 // memory management code. | |
| 40 class Phase : public StackObj { | |
| 41 public: | |
| 42 enum PhaseNumber { | |
| 43 Compiler, // Top-level compiler phase | |
| 44 Parser, // Parse bytecodes | |
| 45 Remove_Useless, // Remove useless nodes | |
| 46 Optimistic, // Optimistic analysis phase | |
| 47 GVN, // Pessimistic global value numbering phase | |
| 48 Ins_Select, // Instruction selection phase | |
| 49 CFG, // Build a CFG | |
| 50 BlockLayout, // Linear ordering of blocks | |
| 51 Register_Allocation, // Register allocation, duh | |
| 52 LIVE, // Dragon-book LIVE range problem | |
| 53 StringOpts, // StringBuilder related optimizations | |
| 54 Interference_Graph, // Building the IFG | |
| 55 Coalesce, // Coalescing copies | |
| 56 Ideal_Loop, // Find idealized trip-counted loops | |
| 57 Macro_Expand, // Expand macro nodes | |
| 58 Peephole, // Apply peephole optimizations | |
| 59 last_phase | |
| 60 }; | |
| 61 protected: | |
| 62 enum PhaseNumber _pnum; // Phase number (for stat gathering) | |
| 63 | |
| 64 #ifndef PRODUCT | |
| 65 static int _total_bytes_compiled; | |
| 66 | |
| 67 // accumulated timers | |
| 68 static elapsedTimer _t_totalCompilation; | |
| 69 static elapsedTimer _t_methodCompilation; | |
| 70 static elapsedTimer _t_stubCompilation; | |
| 71 #endif | |
| 72 | |
| 73 // The next timers used for LogCompilation | |
| 74 static elapsedTimer _t_parser; | |
| 75 static elapsedTimer _t_optimizer; | |
| 76 public: | |
| 77 // ConnectionGraph can't be Phase since it is used after EA done. | |
| 78 static elapsedTimer _t_escapeAnalysis; | |
| 79 static elapsedTimer _t_connectionGraph; | |
| 80 protected: | |
| 81 static elapsedTimer _t_idealLoop; | |
| 82 static elapsedTimer _t_ccp; | |
| 83 static elapsedTimer _t_matcher; | |
| 84 static elapsedTimer _t_registerAllocation; | |
| 85 static elapsedTimer _t_output; | |
| 86 | |
| 87 #ifndef PRODUCT | |
| 88 static elapsedTimer _t_graphReshaping; | |
| 89 static elapsedTimer _t_scheduler; | |
| 90 static elapsedTimer _t_blockOrdering; | |
| 91 static elapsedTimer _t_macroEliminate; | |
| 92 static elapsedTimer _t_macroExpand; | |
| 93 static elapsedTimer _t_peephole; | |
| 94 static elapsedTimer _t_postalloc_expand; | |
| 95 static elapsedTimer _t_codeGeneration; | |
| 96 static elapsedTimer _t_registerMethod; | |
| 97 static elapsedTimer _t_temporaryTimer1; | |
| 98 static elapsedTimer _t_temporaryTimer2; | |
| 99 static elapsedTimer _t_idealLoopVerify; | |
| 100 | |
| 101 // Subtimers for _t_optimizer | |
| 102 static elapsedTimer _t_iterGVN; | |
| 103 static elapsedTimer _t_iterGVN2; | |
| 104 static elapsedTimer _t_incrInline; | |
| 105 | |
| 106 // Subtimers for _t_registerAllocation | |
| 107 static elapsedTimer _t_ctorChaitin; | |
| 108 static elapsedTimer _t_buildIFGphysical; | |
| 109 static elapsedTimer _t_computeLive; | |
| 110 static elapsedTimer _t_regAllocSplit; | |
| 111 static elapsedTimer _t_postAllocCopyRemoval; | |
| 112 static elapsedTimer _t_fixupSpills; | |
| 113 | |
| 114 // Subtimers for _t_output | |
| 115 static elapsedTimer _t_instrSched; | |
| 116 static elapsedTimer _t_buildOopMaps; | |
| 117 #endif | |
| 118 public: | |
| 119 Compile * C; | |
| 120 Phase( PhaseNumber pnum ); | |
| 121 #ifndef PRODUCT | |
| 122 static void print_timers(); | |
| 123 #endif | |
| 124 }; | |
| 125 | |
| 126 #endif // SHARE_VM_OPTO_PHASE_HPP |
