Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/globals_x86.hpp
src/cpu/x86/vm/globals_x86.hpp
- changeset 4020
- a5dd6e3ef9f3
- parent 3579
- 15085a6eb50c
- child 4410
- 00af3a3a8df4
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| 4019:a1c7f6472621 | 4020:a5dd6e3ef9f3 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 2000, 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 76 define_pd_global(bool, UseMembar, false); | 76 define_pd_global(bool, UseMembar, false); |
| 77 #endif | 77 #endif |
| 78 | 78 |
| 79 // GC Ergo Flags | 79 // GC Ergo Flags |
| 80 define_pd_global(intx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread | 80 define_pd_global(intx, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread |
| 81 | |
| 82 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct) \ | |
| 83 \ | |
| 84 develop(bool, IEEEPrecision, true, \ | |
| 85 "Enables IEEE precision (for INTEL only)") \ | |
| 86 \ | |
| 87 product(intx, FenceInstruction, 0, \ | |
| 88 "(Unsafe,Unstable) Experimental") \ | |
| 89 \ | |
| 90 product(intx, ReadPrefetchInstr, 0, \ | |
| 91 "Prefetch instruction to prefetch ahead") \ | |
| 92 \ | |
| 93 product(bool, UseStoreImmI16, true, \ | |
| 94 "Use store immediate 16-bits value instruction on x86") \ | |
| 95 \ | |
| 96 product(intx, UseAVX, 99, \ | |
| 97 "Highest supported AVX instructions set on x86/x64") \ | |
| 98 \ | |
| 99 diagnostic(bool, UseIncDec, true, \ | |
| 100 "Use INC, DEC instructions on x86") \ | |
| 101 \ | |
| 102 product(bool, UseNewLongLShift, false, \ | |
| 103 "Use optimized bitwise shift left") \ | |
| 104 \ | |
| 105 product(bool, UseAddressNop, false, \ | |
| 106 "Use '0F 1F [addr]' NOP instructions on x86 cpus") \ | |
| 107 \ | |
| 108 product(bool, UseXmmLoadAndClearUpper, true, \ | |
| 109 "Load low part of XMM register and clear upper part") \ | |
| 110 \ | |
| 111 product(bool, UseXmmRegToRegMoveAll, false, \ | |
| 112 "Copy all XMM register bits when moving value between registers") \ | |
| 113 \ | |
| 114 product(bool, UseXmmI2D, false, \ | |
| 115 "Use SSE2 CVTDQ2PD instruction to convert Integer to Double") \ | |
| 116 \ | |
| 117 product(bool, UseXmmI2F, false, \ | |
| 118 "Use SSE2 CVTDQ2PS instruction to convert Integer to Float") \ | |
| 119 \ | |
| 120 product(bool, UseUnalignedLoadStores, false, \ | |
| 121 "Use SSE2 MOVDQU instruction for Arraycopy") \ | |
| 122 \ | |
| 123 /* assembler */ \ | |
| 124 product(bool, Use486InstrsOnly, false, \ | |
| 125 "Use 80486 Compliant instruction subset") \ | |
| 126 \ | |
| 127 product(bool, UseCountLeadingZerosInstruction, false, \ | |
| 128 "Use count leading zeros instruction") \ | |
| 129 | |
| 81 #endif // CPU_X86_VM_GLOBALS_X86_HPP | 130 #endif // CPU_X86_VM_GLOBALS_X86_HPP |
