1 /* |
1 /* |
2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved. |
3 * Copyright (c) 2015, Red Hat Inc. All rights reserved. |
3 * Copyright (c) 2015, 2019, Red Hat Inc. All rights reserved. |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
5 * |
5 * |
6 * This code is free software; you can redistribute it and/or modify it |
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 |
7 * under the terms of the GNU General Public License version 2 only, as |
8 * published by the Free Software Foundation. |
8 * published by the Free Software Foundation. |
29 #include "utilities/globalDefinitions.hpp" |
29 #include "utilities/globalDefinitions.hpp" |
30 #include "utilities/macros.hpp" |
30 #include "utilities/macros.hpp" |
31 |
31 |
32 // Sets the default values for platform dependent flags used by the runtime system. |
32 // Sets the default values for platform dependent flags used by the runtime system. |
33 // (see globals.hpp) |
33 // (see globals.hpp) |
34 |
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35 define_pd_global(bool, ShareVtableStubs, true); |
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36 |
34 |
37 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks |
35 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks |
38 define_pd_global(bool, TrapBasedNullChecks, false); |
36 define_pd_global(bool, TrapBasedNullChecks, false); |
39 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast |
37 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast |
40 |
38 |
80 |
78 |
81 #if defined(COMPILER1) || defined(COMPILER2) |
79 #if defined(COMPILER1) || defined(COMPILER2) |
82 define_pd_global(intx, InlineSmallCode, 1000); |
80 define_pd_global(intx, InlineSmallCode, 1000); |
83 #endif |
81 #endif |
84 |
82 |
85 #ifdef BUILTIN_SIM |
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86 #define UseBuiltinSim true |
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87 #define ARCH_FLAGS(develop, \ |
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88 product, \ |
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89 diagnostic, \ |
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90 experimental, \ |
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91 notproduct, \ |
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92 range, \ |
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93 constraint, \ |
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94 writeable) \ |
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95 \ |
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96 product(bool, NotifySimulator, UseBuiltinSim, \ |
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97 "tell the AArch64 sim where we are in method code") \ |
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98 \ |
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99 product(bool, UseSimulatorCache, false, \ |
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100 "tell sim to cache memory updates until exclusive op occurs") \ |
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101 \ |
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102 product(bool, DisableBCCheck, true, \ |
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103 "tell sim not to invoke bccheck callback") \ |
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104 \ |
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105 product(bool, NearCpool, true, \ |
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106 "constant pool is close to instructions") \ |
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107 \ |
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108 product(bool, UseBarriersForVolatile, false, \ |
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109 "Use memory barriers to implement volatile accesses") \ |
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110 \ |
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111 product(bool, UseCRC32, false, \ |
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112 "Use CRC32 instructions for CRC32 computation") \ |
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113 \ |
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114 product(bool, UseLSE, false, \ |
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115 "Use LSE instructions") \ |
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116 |
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117 // Don't attempt to use Neon on builtin sim until builtin sim supports it |
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118 #define UseCRC32 false |
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119 #define UseSIMDForMemoryOps false |
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120 #define AvoidUnalignedAcesses false |
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121 |
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122 #else |
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123 #define UseBuiltinSim false |
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124 #define NotifySimulator false |
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125 #define UseSimulatorCache false |
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126 #define DisableBCCheck true |
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127 #define ARCH_FLAGS(develop, \ |
83 #define ARCH_FLAGS(develop, \ |
128 product, \ |
84 product, \ |
129 diagnostic, \ |
85 diagnostic, \ |
130 experimental, \ |
86 experimental, \ |
131 notproduct, \ |
87 notproduct, \ |
160 product(bool, TraceTraps, false, "Trace all traps the signal handler")\ |
116 product(bool, TraceTraps, false, "Trace all traps the signal handler")\ |
161 product(int, SoftwarePrefetchHintDistance, -1, \ |
117 product(int, SoftwarePrefetchHintDistance, -1, \ |
162 "Use prfm hint with specified distance in compiled code." \ |
118 "Use prfm hint with specified distance in compiled code." \ |
163 "Value -1 means off.") \ |
119 "Value -1 means off.") \ |
164 range(-1, 4096) |
120 range(-1, 4096) |
165 #endif |
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166 |
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167 |
121 |
168 #endif // CPU_AARCH64_GLOBALS_AARCH64_HPP |
122 #endif // CPU_AARCH64_GLOBALS_AARCH64_HPP |