1 /*
 2  * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.
 3  * Copyright (c) 2014, Red Hat Inc. All rights reserved.
 4  * Copyright (c) 2020, 2021, Huawei Technologies Co., Ltd. All rights reserved.
 5  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 6  *
 7  * This code is free software; you can redistribute it and/or modify it
 8  * under the terms of the GNU General Public License version 2 only, as
 9  * published by the Free Software Foundation.
10  *
11  * This code is distributed in the hope that it will be useful, but WITHOUT
12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14  * version 2 for more details (a copy is included in the LICENSE file that
15  * accompanied this code).
16  *
17  * You should have received a copy of the GNU General Public License version
18  * 2 along with this work; if not, write to the Free Software Foundation,
19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20  *
21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22  * or visit www.oracle.com if you need additional information or have any
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26 
27 #ifndef CPU_RISCV_C2_GLOBALS_RISCV_HPP
28 #define CPU_RISCV_C2_GLOBALS_RISCV_HPP
29 
30 #include "utilities/globalDefinitions.hpp"
31 #include "utilities/macros.hpp"
32 
33 // Sets the default values for platform dependent flags used by the server compiler.
34 // (see c2_globals.hpp).  Alpha-sorted.
35 
36 define_pd_global(bool, BackgroundCompilation,        true);
37 define_pd_global(bool, CICompileOSR,                 true);
38 define_pd_global(bool, InlineIntrinsics,             true);
39 define_pd_global(bool, PreferInterpreterNativeStubs, false);
40 define_pd_global(bool, ProfileTraps,                 true);
41 define_pd_global(bool, UseOnStackReplacement,        true);
42 define_pd_global(bool, ProfileInterpreter,           true);
43 define_pd_global(bool, TieredCompilation,            COMPILER1_PRESENT(true) NOT_COMPILER1(false));
44 define_pd_global(intx, CompileThreshold,             10000);
45 
46 define_pd_global(intx, OnStackReplacePercentage,     140);
47 define_pd_global(intx, ConditionalMoveLimit,         0);
48 define_pd_global(intx, FreqInlineSize,               325);
49 define_pd_global(intx, MinJumpTableSize,             10);
50 define_pd_global(intx, InteriorEntryAlignment,       16);
51 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
52 define_pd_global(intx, LoopUnrollLimit,              60);
53 define_pd_global(intx, LoopPercentProfileLimit,      10);
54 // InitialCodeCacheSize derived from specjbb2000 run.
55 define_pd_global(intx, InitialCodeCacheSize,         2496*K); // Integral multiple of CodeCacheExpansionSize
56 define_pd_global(intx, CodeCacheExpansionSize,       64*K);
57 
58 // Ergonomics related flags
59 define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
60 define_pd_global(intx, RegisterCostAreaRatio,        16000);
61 
62 // Peephole and CISC spilling both break the graph, and so makes the
63 // scheduler sick.
64 define_pd_global(bool, OptoPeephole,                 false);
65 define_pd_global(bool, UseCISCSpill,                 false);
66 define_pd_global(bool, OptoScheduling,               true);
67 define_pd_global(bool, OptoBundling,                 false);
68 define_pd_global(bool, OptoRegScheduling,            false);
69 define_pd_global(bool, SuperWordLoopUnrollAnalysis,  true);
70 define_pd_global(bool, IdealizeClearArrayNode,       true);
71 
72 define_pd_global(intx, ReservedCodeCacheSize,        48*M);
73 define_pd_global(intx, NonProfiledCodeHeapSize,      21*M);
74 define_pd_global(intx, ProfiledCodeHeapSize,         22*M);
75 define_pd_global(intx, NonNMethodCodeHeapSize,       5*M );
76 define_pd_global(uintx, CodeCacheMinBlockLength,     6);
77 define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
78 
79 // Ergonomics related flags
80 define_pd_global(bool, NeverActAsServerClassMachine, false);
81 
82 define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed.
83 
84 #endif // CPU_RISCV_C2_GLOBALS_RISCV_HPP