1/*
2 * Copyright (c) 2000, 2019, 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.
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23 */
24
25#ifndef CPU_X86_C2_GLOBALS_X86_HPP
26#define CPU_X86_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.
33define_pd_global(bool, BackgroundCompilation, true);
34define_pd_global(bool, UseTLAB, true);
35define_pd_global(bool, ResizeTLAB, true);
36define_pd_global(bool, CICompileOSR, true);
37define_pd_global(bool, InlineIntrinsics, true);
38define_pd_global(bool, PreferInterpreterNativeStubs, false);
39define_pd_global(bool, ProfileTraps, true);
40define_pd_global(bool, UseOnStackReplacement, true);
41define_pd_global(bool, ProfileInterpreter, true);
42define_pd_global(bool, TieredCompilation, trueInTiered);
43define_pd_global(intx, CompileThreshold, 10000);
44
45define_pd_global(intx, OnStackReplacePercentage, 140);
46define_pd_global(intx, ConditionalMoveLimit, 3);
47define_pd_global(intx, FreqInlineSize, 325);
48define_pd_global(intx, MinJumpTableSize, 10);
49define_pd_global(intx, LoopPercentProfileLimit, 30);
50#ifdef AMD64
51define_pd_global(intx, INTPRESSURE, 13);
52define_pd_global(intx, FLOATPRESSURE, 14);
53define_pd_global(intx, InteriorEntryAlignment, 16);
54define_pd_global(size_t, NewSizeThreadIncrease, ScaleForWordSize(4*K));
55define_pd_global(intx, LoopUnrollLimit, 60);
56// InitialCodeCacheSize derived from specjbb2000 run.
57define_pd_global(uintx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize
58define_pd_global(uintx, CodeCacheExpansionSize, 64*K);
59
60// Ergonomics related flags
61define_pd_global(uint64_t, MaxRAM, 128ULL*G);
62#else
63define_pd_global(intx, INTPRESSURE, 6);
64define_pd_global(intx, FLOATPRESSURE, 6);
65define_pd_global(intx, InteriorEntryAlignment, 4);
66define_pd_global(size_t, NewSizeThreadIncrease, 4*K);
67define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1
68// InitialCodeCacheSize derived from specjbb2000 run.
69define_pd_global(uintx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize
70define_pd_global(uintx, CodeCacheExpansionSize, 32*K);
71
72// Ergonomics related flags
73define_pd_global(uint64_t, MaxRAM, 4ULL*G);
74#endif // AMD64
75define_pd_global(intx, RegisterCostAreaRatio, 16000);
76
77// Peephole and CISC spilling both break the graph, and so makes the
78// scheduler sick.
79define_pd_global(bool, OptoPeephole, true);
80define_pd_global(bool, UseCISCSpill, true);
81define_pd_global(bool, OptoScheduling, false);
82define_pd_global(bool, OptoBundling, false);
83define_pd_global(bool, OptoRegScheduling, true);
84define_pd_global(bool, SuperWordLoopUnrollAnalysis, true);
85define_pd_global(bool, IdealizeClearArrayNode, true);
86
87define_pd_global(uintx, ReservedCodeCacheSize, 48*M);
88define_pd_global(uintx, NonProfiledCodeHeapSize, 21*M);
89define_pd_global(uintx, ProfiledCodeHeapSize, 22*M);
90define_pd_global(uintx, NonNMethodCodeHeapSize, 5*M );
91define_pd_global(uintx, CodeCacheMinBlockLength, 6);
92define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K);
93
94define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed on x86.
95
96// Heap related flags
97define_pd_global(size_t, MetaspaceSize, ScaleForWordSize(16*M));
98
99// Ergonomics related flags
100define_pd_global(bool, NeverActAsServerClassMachine, false);
101
102#endif // CPU_X86_C2_GLOBALS_X86_HPP
103