Mercurial > hg > truffle
annotate src/cpu/sparc/vm/globals_sparc.hpp @ 12632:8bb706d2b365
added missing annotation processor dependency for com.oracle.graal.hotspot.sparc
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 30 Oct 2013 09:50:36 +0100 |
parents | 46c544b8fbfc |
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0 | 1 /* |
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2 * Copyright (c) 2000, 2012, 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_SPARC_VM_GLOBALS_SPARC_HPP |
26 #define CPU_SPARC_VM_GLOBALS_SPARC_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 | |
34 // For sparc we do not do call backs when a thread is in the interpreter, because the | |
35 // interpreter dispatch needs at least two instructions - first to load the dispatch address | |
36 // in a register, and second to jmp. The swapping of the dispatch table may occur _after_ | |
37 // the load of the dispatch address and hence the jmp would still go to the location | |
38 // according to the prior table. So, we let the thread continue and let it block by itself. | |
39 define_pd_global(bool, DontYieldALot, true); // yield no more than 100 times per second | |
40 define_pd_global(bool, ConvertSleepToYield, false); // do not convert sleep(0) to yield. Helps GUI | |
41 define_pd_global(bool, ShareVtableStubs, false); // improves performance markedly for mtrt and compress | |
42 define_pd_global(bool, CountInterpCalls, false); // not implemented in the interpreter | |
43 define_pd_global(bool, NeedsDeoptSuspend, true); // register window machines need this | |
44 | |
45 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks | |
46 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs past to check cast | |
47 | |
1064 | 48 define_pd_global(intx, CodeEntryAlignment, 32); |
1365 | 49 // The default setting 16/16 seems to work best. |
50 // (For _228_jack 16/16 is 2% better than 4/4, 16/4, 32/32, 32/16, or 16/32.) | |
51 define_pd_global(intx, OptoLoopAlignment, 16); // = 4*wordSize | |
1064 | 52 define_pd_global(intx, InlineFrequencyCount, 50); // we can use more inlining on the SPARC |
53 define_pd_global(intx, InlineSmallCode, 1500); | |
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54 |
0 | 55 #ifdef _LP64 |
56 // Stack slots are 2X larger in LP64 than in the 32 bit VM. | |
1064 | 57 define_pd_global(intx, ThreadStackSize, 1024); |
58 define_pd_global(intx, VMThreadStackSize, 1024); | |
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59 define_pd_global(intx, StackShadowPages, 10 DEBUG_ONLY(+1)); |
0 | 60 #else |
1064 | 61 define_pd_global(intx, ThreadStackSize, 512); |
62 define_pd_global(intx, VMThreadStackSize, 512); | |
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63 define_pd_global(intx, StackShadowPages, 3 DEBUG_ONLY(+1)); |
0 | 64 #endif |
65 | |
66 define_pd_global(intx, StackYellowPages, 2); | |
67 define_pd_global(intx, StackRedPages, 1); | |
68 | |
1064 | 69 define_pd_global(intx, PreInflateSpin, 40); // Determined by running design center |
0 | 70 |
71 define_pd_global(bool, RewriteBytecodes, true); | |
72 define_pd_global(bool, RewriteFrequentPairs, true); | |
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73 |
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74 define_pd_global(bool, UseMembar, false); |
1972 | 75 |
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76 // GC Ergo Flags |
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77 define_pd_global(uintx, CMSYoungGenPerWorker, 16*M); // default max size of CMS young gen, per GC worker thread |
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78 |
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79 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \ |
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80 \ |
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81 product(intx, UseVIS, 99, \ |
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82 "Highest supported VIS instructions set on Sparc") \ |
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83 \ |
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84 product(bool, UseCBCond, false, \ |
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85 "Use compare and branch instruction on SPARC") \ |
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86 \ |
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87 product(bool, UseBlockZeroing, false, \ |
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88 "Use special cpu instructions for block zeroing") \ |
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89 \ |
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90 product(intx, BlockZeroingLowLimit, 2048, \ |
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91 "Minimum size in bytes when block zeroing will be used") \ |
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92 \ |
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93 product(bool, UseBlockCopy, false, \ |
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94 "Use special cpu instructions for block copy") \ |
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95 \ |
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96 product(intx, BlockCopyLowLimit, 2048, \ |
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97 "Minimum size in bytes when block copy will be used") \ |
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98 \ |
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99 develop(bool, UseV8InstrsOnly, false, \ |
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100 "Use SPARC-V8 Compliant instruction subset") \ |
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101 \ |
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102 product(bool, UseNiagaraInstrs, false, \ |
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103 "Use Niagara-efficient instruction subset") \ |
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104 \ |
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105 develop(bool, UseCASForSwap, false, \ |
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106 "Do not use swap instructions, but only CAS (in a loop) on SPARC")\ |
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107 \ |
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108 product(uintx, ArraycopySrcPrefetchDistance, 0, \ |
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109 "Distance to prefetch source array in arracopy") \ |
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110 \ |
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111 product(uintx, ArraycopyDstPrefetchDistance, 0, \ |
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112 "Distance to prefetch destination array in arracopy") \ |
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113 |
1972 | 114 #endif // CPU_SPARC_VM_GLOBALS_SPARC_HPP |