Mon, 04 Jan 2010 18:38:08 +0100
6893081: method handle & invokedynamic code needs additional cleanup (post 6815692, 6858164)
Summary: During the work for 6829187 we have fixed a number of basic bugs which are logically grouped with 6815692 and 6858164 but which must be reviewed and pushed separately.
Reviewed-by: kvn, never
1 /*
2 * Copyright 2000-2007 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 // Sets the default values for platform dependent flags used by the server compiler.
26 // (see c2_globals.hpp). Alpha-sorted.
28 define_pd_global(bool, BackgroundCompilation, true);
29 define_pd_global(bool, UseTLAB, true);
30 define_pd_global(bool, ResizeTLAB, true);
31 define_pd_global(bool, CICompileOSR, true);
32 define_pd_global(bool, InlineIntrinsics, true);
33 define_pd_global(bool, PreferInterpreterNativeStubs, false);
34 define_pd_global(bool, ProfileTraps, true);
35 define_pd_global(bool, UseOnStackReplacement, true);
36 #ifdef CC_INTERP
37 define_pd_global(bool, ProfileInterpreter, false);
38 #else
39 define_pd_global(bool, ProfileInterpreter, true);
40 #endif // CC_INTERP
41 define_pd_global(bool, TieredCompilation, false);
42 #ifdef TIERED
43 define_pd_global(intx, CompileThreshold, 1000);
44 #else
45 define_pd_global(intx, CompileThreshold, 10000);
46 #endif // TIERED
47 define_pd_global(intx, Tier2CompileThreshold, 10000);
48 define_pd_global(intx, Tier3CompileThreshold, 20000);
49 define_pd_global(intx, Tier4CompileThreshold, 40000);
51 define_pd_global(intx, BackEdgeThreshold, 100000);
52 define_pd_global(intx, Tier2BackEdgeThreshold, 100000);
53 define_pd_global(intx, Tier3BackEdgeThreshold, 100000);
54 define_pd_global(intx, Tier4BackEdgeThreshold, 100000);
56 define_pd_global(intx, OnStackReplacePercentage, 140);
57 define_pd_global(intx, ConditionalMoveLimit, 3);
58 define_pd_global(intx, FLOATPRESSURE, 6);
59 define_pd_global(intx, FreqInlineSize, 325);
60 #ifdef AMD64
61 define_pd_global(intx, INTPRESSURE, 13);
62 define_pd_global(intx, InteriorEntryAlignment, 16);
63 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
64 define_pd_global(intx, LoopUnrollLimit, 60);
65 // InitialCodeCacheSize derived from specjbb2000 run.
66 define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize
67 define_pd_global(intx, CodeCacheExpansionSize, 64*K);
69 // Ergonomics related flags
70 define_pd_global(uint64_t,MaxRAM, 128ULL*G);
71 #else
72 define_pd_global(intx, INTPRESSURE, 6);
73 define_pd_global(intx, InteriorEntryAlignment, 4);
74 define_pd_global(intx, NewSizeThreadIncrease, 4*K);
75 define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1
76 // InitialCodeCacheSize derived from specjbb2000 run.
77 define_pd_global(intx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize
78 define_pd_global(intx, CodeCacheExpansionSize, 32*K);
80 // Ergonomics related flags
81 define_pd_global(uint64_t,MaxRAM, 4ULL*G);
82 #endif // AMD64
83 define_pd_global(intx, OptoLoopAlignment, 16);
84 define_pd_global(intx, RegisterCostAreaRatio, 16000);
86 // Peephole and CISC spilling both break the graph, and so makes the
87 // scheduler sick.
88 define_pd_global(bool, OptoPeephole, true);
89 define_pd_global(bool, UseCISCSpill, true);
90 define_pd_global(bool, OptoScheduling, false);
91 define_pd_global(bool, OptoBundling, false);
93 define_pd_global(intx, ReservedCodeCacheSize, 48*M);
94 define_pd_global(uintx,CodeCacheMinBlockLength, 4);
96 // Heap related flags
97 define_pd_global(uintx,PermSize, ScaleForWordSize(16*M));
98 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
100 // Ergonomics related flags
101 define_pd_global(bool, NeverActAsServerClassMachine, false);