Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/globals_x86.hpp @ 15137:4a162f0b59d7
Simplify NodePredicates (use overrides instead of if cascades)
author | Gilles Duboscq <duboscq@ssw.jku.at> |
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date | Fri, 11 Apr 2014 18:16:32 +0200 |
parents | 4ca6dc0799b6 |
children | 52b4284cb496 |
rev | line source |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef CPU_X86_VM_GLOBALS_X86_HPP |
26 #define CPU_X86_VM_GLOBALS_X86_HPP | |
27 | |
28 #include "utilities/globalDefinitions.hpp" | |
29 #include "utilities/macros.hpp" | |
30 | |
0 | 31 // Sets the default values for platform dependent flags used by the runtime system. |
32 // (see globals.hpp) | |
33 | |
1064 | 34 define_pd_global(bool, ConvertSleepToYield, true); |
35 define_pd_global(bool, ShareVtableStubs, true); | |
36 define_pd_global(bool, CountInterpCalls, true); | |
37 define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this | |
0 | 38 |
1064 | 39 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks |
14909 | 40 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast |
0 | 41 |
42 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't | |
43 // assign a different value for C2 without touching a number of files. Use | |
44 // #ifdef to minimize the change as it's late in Mantis. -- FIXME. | |
45 // c1 doesn't have this problem because the fix to 4858033 assures us | |
46 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns | |
47 // the uep and the vep doesn't get real alignment but just slops on by | |
48 // only assured that the entry instruction meets the 5 byte size requirement. | |
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49 #if defined(COMPILER2) || defined(GRAAL) |
1064 | 50 define_pd_global(intx, CodeEntryAlignment, 32); |
0 | 51 #else |
1064 | 52 define_pd_global(intx, CodeEntryAlignment, 16); |
0 | 53 #endif // COMPILER2 |
1365 | 54 define_pd_global(intx, OptoLoopAlignment, 16); |
1064 | 55 define_pd_global(intx, InlineFrequencyCount, 100); |
56 define_pd_global(intx, InlineSmallCode, 1000); | |
0 | 57 |
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58 define_pd_global(intx, StackYellowPages, NOT_WINDOWS(2) WINDOWS_ONLY(3)); |
1064 | 59 define_pd_global(intx, StackRedPages, 1); |
0 | 60 #ifdef AMD64 |
61 // Very large C++ stack frames using solaris-amd64 optimized builds | |
62 // due to lack of optimization caused by C++ compiler bugs | |
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63 define_pd_global(intx, StackShadowPages, NOT_WIN64(20) WIN64_ONLY(6) DEBUG_ONLY(+2)); |
0 | 64 #else |
4942 | 65 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5)); |
0 | 66 #endif // AMD64 |
67 | |
1064 | 68 define_pd_global(intx, PreInflateSpin, 10); |
0 | 69 |
70 define_pd_global(bool, RewriteBytecodes, true); | |
71 define_pd_global(bool, RewriteFrequentPairs, true); | |
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72 |
3960 | 73 #ifdef _ALLBSD_SOURCE |
74 define_pd_global(bool, UseMembar, true); | |
75 #else | |
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76 define_pd_global(bool, UseMembar, false); |
3960 | 77 #endif |
1972 | 78 |
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79 // GC Ergo Flags |
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80 define_pd_global(uintx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread |
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81 |
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82 // Disabled in GRAAL until HotSpotMethodData is updated to be aware of the new profiling tags |
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83 define_pd_global(uintx, TypeProfileLevel, GRAAL_ONLY(0) NOT_GRAAL(111)); |
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84 |
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85 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \ |
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86 \ |
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87 develop(bool, IEEEPrecision, true, \ |
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88 "Enables IEEE precision (for INTEL only)") \ |
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89 \ |
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90 product(intx, FenceInstruction, 0, \ |
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91 "(Unsafe,Unstable) Experimental") \ |
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92 \ |
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93 product(intx, ReadPrefetchInstr, 0, \ |
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94 "Prefetch instruction to prefetch ahead") \ |
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95 \ |
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96 product(bool, UseStoreImmI16, true, \ |
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97 "Use store immediate 16-bits value instruction on x86") \ |
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98 \ |
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99 product(intx, UseAVX, 99, \ |
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100 "Highest supported AVX instructions set on x86/x64") \ |
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101 \ |
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102 product(bool, UseCLMUL, false, \ |
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103 "Control whether CLMUL instructions can be used on x86/x64") \ |
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104 \ |
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105 diagnostic(bool, UseIncDec, true, \ |
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106 "Use INC, DEC instructions on x86") \ |
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107 \ |
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108 product(bool, UseNewLongLShift, false, \ |
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109 "Use optimized bitwise shift left") \ |
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110 \ |
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111 product(bool, UseAddressNop, false, \ |
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112 "Use '0F 1F [addr]' NOP instructions on x86 cpus") \ |
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113 \ |
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114 product(bool, UseXmmLoadAndClearUpper, true, \ |
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115 "Load low part of XMM register and clear upper part") \ |
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116 \ |
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117 product(bool, UseXmmRegToRegMoveAll, false, \ |
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118 "Copy all XMM register bits when moving value between registers") \ |
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119 \ |
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120 product(bool, UseXmmI2D, false, \ |
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121 "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \ |
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122 \ |
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123 product(bool, UseXmmI2F, false, \ |
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124 "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \ |
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125 \ |
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126 product(bool, UseUnalignedLoadStores, false, \ |
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127 "Use SSE2 MOVDQU instruction for Arraycopy") \ |
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128 \ |
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129 product(bool, UseFastStosb, false, \ |
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130 "Use fast-string operation for zeroing: rep stosb") \ |
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131 \ |
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132 /* assembler */ \ |
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133 product(bool, Use486InstrsOnly, false, \ |
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134 "Use 80486 Compliant instruction subset") \ |
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135 \ |
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136 product(bool, UseCountLeadingZerosInstruction, false, \ |
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137 "Use count leading zeros instruction") \ |
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138 |
1972 | 139 #endif // CPU_X86_VM_GLOBALS_X86_HPP |