c2_globals_x86.hpp revision 1879:f95d63e2154a 
1/*
2 * Copyright (c) 2000, 2010, 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.
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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
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23 */
24
25#ifndef CPU_X86_VM_C2_GLOBALS_X86_HPP
26#define CPU_X86_VM_C2_GLOBALS_X86_HPP
27
28#include "utilities/globalDefinitions.hpp"
29#include "utilities/macros.hpp"
30
31// Sets the default values for platform dependent flags used by the server compiler.
32// (see c2_globals.hpp).  Alpha-sorted.
33
34define_pd_global(bool, BackgroundCompilation,        true);
35define_pd_global(bool, UseTLAB,                      true);
36define_pd_global(bool, ResizeTLAB,                   true);
37define_pd_global(bool, CICompileOSR,                 true);
38define_pd_global(bool, InlineIntrinsics,             true);
39define_pd_global(bool, PreferInterpreterNativeStubs, false);
40define_pd_global(bool, ProfileTraps,                 true);
41define_pd_global(bool, UseOnStackReplacement,        true);
42#ifdef CC_INTERP
43define_pd_global(bool, ProfileInterpreter,           false);
44#else
45define_pd_global(bool, ProfileInterpreter,           true);
46#endif // CC_INTERP
47define_pd_global(bool, TieredCompilation,            false);
48define_pd_global(intx, CompileThreshold,             10000);
49define_pd_global(intx, BackEdgeThreshold,            100000);
50
51define_pd_global(intx, OnStackReplacePercentage,     140);
52define_pd_global(intx, ConditionalMoveLimit,         3);
53define_pd_global(intx, FLOATPRESSURE,                6);
54define_pd_global(intx, FreqInlineSize,               325);
55#ifdef AMD64
56define_pd_global(intx, INTPRESSURE,                  13);
57define_pd_global(intx, InteriorEntryAlignment,       16);
58define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
59define_pd_global(intx, LoopUnrollLimit,              60);
60// InitialCodeCacheSize derived from specjbb2000 run.
61define_pd_global(intx, InitialCodeCacheSize,         2496*K); // Integral multiple of CodeCacheExpansionSize
62define_pd_global(intx, CodeCacheExpansionSize,       64*K);
63
64// Ergonomics related flags
65define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
66#else
67define_pd_global(intx, INTPRESSURE,                  6);
68define_pd_global(intx, InteriorEntryAlignment,       4);
69define_pd_global(intx, NewSizeThreadIncrease,        4*K);
70define_pd_global(intx, LoopUnrollLimit,              50);     // Design center runs on 1.3.1
71// InitialCodeCacheSize derived from specjbb2000 run.
72define_pd_global(intx, InitialCodeCacheSize,         2304*K); // Integral multiple of CodeCacheExpansionSize
73define_pd_global(intx, CodeCacheExpansionSize,       32*K);
74
75// Ergonomics related flags
76define_pd_global(uint64_t,MaxRAM,                    4ULL*G);
77#endif // AMD64
78define_pd_global(intx, RegisterCostAreaRatio,        16000);
79
80// Peephole and CISC spilling both break the graph, and so makes the
81// scheduler sick.
82define_pd_global(bool, OptoPeephole,                 true);
83define_pd_global(bool, UseCISCSpill,                 true);
84define_pd_global(bool, OptoScheduling,               false);
85define_pd_global(bool, OptoBundling,                 false);
86
87define_pd_global(intx, ReservedCodeCacheSize,        48*M);
88define_pd_global(uintx,CodeCacheMinBlockLength,      4);
89
90// Heap related flags
91define_pd_global(uintx,PermSize,    ScaleForWordSize(16*M));
92define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
93
94// Ergonomics related flags
95define_pd_global(bool, NeverActAsServerClassMachine, false);
96
97#endif // CPU_X86_VM_C2_GLOBALS_X86_HPP
98