1 /*
2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
3 * Copyright (c) 2020, 2022, Huawei Technologies Co., Ltd. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
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24 */
25
26 #ifndef CPU_RISCV_C2_GLOBALS_RISCV_HPP
27 #define CPU_RISCV_C2_GLOBALS_RISCV_HPP
28
29 #include "utilities/globalDefinitions.hpp"
30 #include "utilities/macros.hpp"
31
32 // Sets the default values for platform dependent flags used by the server compiler.
33 // (see c2_globals.hpp). Alpha-sorted.
34
35 define_pd_global(bool, BackgroundCompilation, true);
36 define_pd_global(bool, CICompileOSR, true);
37 define_pd_global(bool, InlineIntrinsics, true);
38 define_pd_global(bool, PreferInterpreterNativeStubs, false);
39 define_pd_global(bool, ProfileTraps, true);
40 define_pd_global(bool, UseOnStackReplacement, true);
41 define_pd_global(bool, ProfileInterpreter, true);
42 define_pd_global(bool, TieredCompilation, COMPILER1_PRESENT(true) NOT_COMPILER1(false));
43 define_pd_global(intx, CompileThreshold, 10000);
44
45 define_pd_global(intx, OnStackReplacePercentage, 140);
46 define_pd_global(intx, ConditionalMoveLimit, 0);
47 define_pd_global(intx, FLOATPRESSURE, 32);
48 define_pd_global(intx, FreqInlineSize, 325);
49 define_pd_global(intx, MinJumpTableSize, 10);
50 define_pd_global(intx, INTPRESSURE, 24);
51 define_pd_global(intx, InteriorEntryAlignment, 16);
52 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
53 define_pd_global(intx, LoopUnrollLimit, 60);
54 define_pd_global(intx, LoopPercentProfileLimit, 10);
55 // InitialCodeCacheSize derived from specjbb2000 run.
56 define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize
57 define_pd_global(intx, CodeCacheExpansionSize, 64*K);
58
59 // Ergonomics related flags
60 define_pd_global(uint64_t,MaxRAM, 128ULL*G);
61 define_pd_global(intx, RegisterCostAreaRatio, 16000);
62
63 // Peephole and CISC spilling both break the graph, and so makes the
64 // scheduler sick.
65 define_pd_global(bool, OptoPeephole, false);
66 define_pd_global(bool, UseCISCSpill, false);
67 define_pd_global(bool, OptoScheduling, true);
68 define_pd_global(bool, OptoBundling, false);
69 define_pd_global(bool, OptoRegScheduling, false);
70 define_pd_global(bool, SuperWordLoopUnrollAnalysis, true);
71 define_pd_global(bool, IdealizeClearArrayNode, true);
72
73 define_pd_global(intx, ReservedCodeCacheSize, 48*M);
74 define_pd_global(intx, NonProfiledCodeHeapSize, 21*M);
75 define_pd_global(intx, ProfiledCodeHeapSize, 22*M);
76 define_pd_global(intx, NonNMethodCodeHeapSize, 5*M );
77 define_pd_global(uintx, CodeCacheMinBlockLength, 6);
78 define_pd_global(uintx, CodeCacheMinimumUseSpace, 400*K);
79
80 // Ergonomics related flags
81 define_pd_global(bool, NeverActAsServerClassMachine, false);
82
83 define_pd_global(bool, TrapBasedRangeChecks, false); // Not needed.
84
85 #endif // CPU_RISCV_C2_GLOBALS_RISCV_HPP