Tue, 09 Mar 2010 20:16:19 +0100
6919934: JSR 292 needs to support x86 C1
Summary: This implements JSR 292 support for C1 x86.
Reviewed-by: never, jrose, kvn
1 /*
2 * Copyright 1997-2009 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
25 class Compile;
27 //------------------------------Phase------------------------------------------
28 // Most optimizations are done in Phases. Creating a phase does any long
29 // running analysis required, and caches the analysis in internal data
30 // structures. Later the analysis is queried using transform() calls to
31 // guide transforming the program. When the Phase is deleted, so is any
32 // cached analysis info. This basic Phase class mostly contains timing and
33 // memory management code.
34 class Phase : public StackObj {
35 public:
36 enum PhaseNumber {
37 Compiler, // Top-level compiler phase
38 Parser, // Parse bytecodes
39 Remove_Useless, // Remove useless nodes
40 Optimistic, // Optimistic analysis phase
41 GVN, // Pessimistic global value numbering phase
42 Ins_Select, // Instruction selection phase
43 CFG, // Build a CFG
44 BlockLayout, // Linear ordering of blocks
45 Register_Allocation, // Register allocation, duh
46 LIVE, // Dragon-book LIVE range problem
47 StringOpts, // StringBuilder related optimizations
48 Interference_Graph, // Building the IFG
49 Coalesce, // Coalescing copies
50 Ideal_Loop, // Find idealized trip-counted loops
51 Macro_Expand, // Expand macro nodes
52 Peephole, // Apply peephole optimizations
53 last_phase
54 };
55 protected:
56 enum PhaseNumber _pnum; // Phase number (for stat gathering)
58 #ifndef PRODUCT
59 static int _total_bytes_compiled;
61 // accumulated timers
62 static elapsedTimer _t_totalCompilation;
63 static elapsedTimer _t_methodCompilation;
64 static elapsedTimer _t_stubCompilation;
65 #endif
67 // The next timers used for LogCompilation
68 static elapsedTimer _t_parser;
69 static elapsedTimer _t_escapeAnalysis;
70 static elapsedTimer _t_optimizer;
71 static elapsedTimer _t_idealLoop;
72 static elapsedTimer _t_ccp;
73 static elapsedTimer _t_matcher;
74 static elapsedTimer _t_registerAllocation;
75 static elapsedTimer _t_output;
77 #ifndef PRODUCT
78 static elapsedTimer _t_graphReshaping;
79 static elapsedTimer _t_scheduler;
80 static elapsedTimer _t_blockOrdering;
81 static elapsedTimer _t_macroExpand;
82 static elapsedTimer _t_peephole;
83 static elapsedTimer _t_codeGeneration;
84 static elapsedTimer _t_registerMethod;
85 static elapsedTimer _t_temporaryTimer1;
86 static elapsedTimer _t_temporaryTimer2;
87 static elapsedTimer _t_idealLoopVerify;
89 // Subtimers for _t_optimizer
90 static elapsedTimer _t_iterGVN;
91 static elapsedTimer _t_iterGVN2;
93 // Subtimers for _t_registerAllocation
94 static elapsedTimer _t_ctorChaitin;
95 static elapsedTimer _t_buildIFGphysical;
96 static elapsedTimer _t_computeLive;
97 static elapsedTimer _t_regAllocSplit;
98 static elapsedTimer _t_postAllocCopyRemoval;
99 static elapsedTimer _t_fixupSpills;
101 // Subtimers for _t_output
102 static elapsedTimer _t_instrSched;
103 static elapsedTimer _t_buildOopMaps;
104 #endif
105 public:
106 Compile * C;
107 Phase( PhaseNumber pnum );
108 #ifndef PRODUCT
109 static void print_timers();
110 #endif
111 };