Mercurial > jdk8-mips64-public > hotspot / annotate
src/cpu/x86/vm/c2_globals_x86.hpp@18a08a7e16b5 (annotated)
src/cpu/x86/vm/c2_globals_x86.hpp
Fri, 26 Jun 2009 07:26:10 -0700
- author
- twisti
- date
- Fri, 26 Jun 2009 07:26:10 -0700
- changeset 1259
- 18a08a7e16b5
- parent 435
- a61af66fc99e
- child 1499
- 473cce303f13
- permissions
- -rw-r--r--
5057225: Remove useless I2L conversions
Summary: The optimizer should be told to normalize (AndL (ConvI2L x) 0xFF) to (ConvI2L (AndI x 0xFF)), and then the existing matcher rule will work for free.
Reviewed-by: kvn
| duke@435 | 1 | /* |
| duke@435 | 2 | * Copyright 2000-2007 Sun Microsystems, Inc. All Rights Reserved. |
| duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| duke@435 | 4 | * |
| duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
| duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| duke@435 | 7 | * published by the Free Software Foundation. |
| duke@435 | 8 | * |
| duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| duke@435 | 13 | * accompanied this code). |
| duke@435 | 14 | * |
| duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
| duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| duke@435 | 18 | * |
| duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| duke@435 | 21 | * have any questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| duke@435 | 25 | // |
| duke@435 | 26 | // Sets the default values for platform dependent flags used by the server compiler. |
| duke@435 | 27 | // (see c2_globals.hpp). Alpha-sorted. |
| duke@435 | 28 | |
| duke@435 | 29 | define_pd_global(bool, BackgroundCompilation, true); |
| duke@435 | 30 | define_pd_global(bool, UseTLAB, true); |
| duke@435 | 31 | define_pd_global(bool, ResizeTLAB, true); |
| duke@435 | 32 | define_pd_global(bool, CICompileOSR, true); |
| duke@435 | 33 | define_pd_global(bool, InlineIntrinsics, true); |
| duke@435 | 34 | define_pd_global(bool, PreferInterpreterNativeStubs, false); |
| duke@435 | 35 | define_pd_global(bool, ProfileTraps, true); |
| duke@435 | 36 | define_pd_global(bool, UseOnStackReplacement, true); |
| duke@435 | 37 | #ifdef CC_INTERP |
| duke@435 | 38 | define_pd_global(bool, ProfileInterpreter, false); |
| duke@435 | 39 | #else |
| duke@435 | 40 | define_pd_global(bool, ProfileInterpreter, true); |
| duke@435 | 41 | #endif // CC_INTERP |
| duke@435 | 42 | define_pd_global(bool, TieredCompilation, false); |
| duke@435 | 43 | #ifdef TIERED |
| duke@435 | 44 | define_pd_global(intx, CompileThreshold, 1000); |
| duke@435 | 45 | #else |
| duke@435 | 46 | define_pd_global(intx, CompileThreshold, 10000); |
| duke@435 | 47 | #endif // TIERED |
| duke@435 | 48 | define_pd_global(intx, Tier2CompileThreshold, 10000); |
| duke@435 | 49 | define_pd_global(intx, Tier3CompileThreshold, 20000 ); |
| duke@435 | 50 | define_pd_global(intx, Tier4CompileThreshold, 40000 ); |
| duke@435 | 51 | |
| duke@435 | 52 | define_pd_global(intx, BackEdgeThreshold, 100000); |
| duke@435 | 53 | define_pd_global(intx, Tier2BackEdgeThreshold, 100000); |
| duke@435 | 54 | define_pd_global(intx, Tier3BackEdgeThreshold, 100000); |
| duke@435 | 55 | define_pd_global(intx, Tier4BackEdgeThreshold, 100000); |
| duke@435 | 56 | |
| duke@435 | 57 | define_pd_global(intx, OnStackReplacePercentage, 140); |
| duke@435 | 58 | define_pd_global(intx, ConditionalMoveLimit, 3); |
| duke@435 | 59 | define_pd_global(intx, FLOATPRESSURE, 6); |
| duke@435 | 60 | define_pd_global(intx, FreqInlineSize, 325); |
| duke@435 | 61 | #ifdef AMD64 |
| duke@435 | 62 | define_pd_global(intx, INTPRESSURE, 13); |
| duke@435 | 63 | define_pd_global(intx, InteriorEntryAlignment, 16); |
| duke@435 | 64 | define_pd_global(intx, NewRatio, 2); |
| duke@435 | 65 | define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K)); |
| duke@435 | 66 | define_pd_global(intx, LoopUnrollLimit, 60); |
| duke@435 | 67 | // InitialCodeCacheSize derived from specjbb2000 run. |
| duke@435 | 68 | define_pd_global(intx, InitialCodeCacheSize, 2496*K); // Integral multiple of CodeCacheExpansionSize |
| duke@435 | 69 | define_pd_global(intx, CodeCacheExpansionSize, 64*K); |
| duke@435 | 70 | |
| duke@435 | 71 | // Ergonomics related flags |
| duke@435 | 72 | define_pd_global(uintx, DefaultMaxRAM, 32*G); |
| duke@435 | 73 | #else |
| duke@435 | 74 | define_pd_global(intx, INTPRESSURE, 6); |
| duke@435 | 75 | define_pd_global(intx, InteriorEntryAlignment, 4); |
| duke@435 | 76 | define_pd_global(intx, NewRatio, 8); // Design center runs on 1.3.1 |
| duke@435 | 77 | define_pd_global(intx, NewSizeThreadIncrease, 4*K); |
| duke@435 | 78 | define_pd_global(intx, LoopUnrollLimit, 50); // Design center runs on 1.3.1 |
| duke@435 | 79 | // InitialCodeCacheSize derived from specjbb2000 run. |
| duke@435 | 80 | define_pd_global(intx, InitialCodeCacheSize, 2304*K); // Integral multiple of CodeCacheExpansionSize |
| duke@435 | 81 | define_pd_global(intx, CodeCacheExpansionSize, 32*K); |
| duke@435 | 82 | |
| duke@435 | 83 | // Ergonomics related flags |
| duke@435 | 84 | define_pd_global(uintx, DefaultMaxRAM, 1*G); |
| duke@435 | 85 | #endif // AMD64 |
| duke@435 | 86 | define_pd_global(intx, OptoLoopAlignment, 16); |
| duke@435 | 87 | define_pd_global(intx, RegisterCostAreaRatio, 16000); |
| duke@435 | 88 | |
| duke@435 | 89 | // Peephole and CISC spilling both break the graph, and so makes the |
| duke@435 | 90 | // scheduler sick. |
| duke@435 | 91 | define_pd_global(bool, OptoPeephole, true); |
| duke@435 | 92 | define_pd_global(bool, UseCISCSpill, true); |
| duke@435 | 93 | define_pd_global(bool, OptoScheduling, false); |
| duke@435 | 94 | define_pd_global(bool, OptoBundling, false); |
| duke@435 | 95 | |
| duke@435 | 96 | define_pd_global(intx, ReservedCodeCacheSize, 48*M); |
| duke@435 | 97 | define_pd_global(uintx,CodeCacheMinBlockLength, 4); |
| duke@435 | 98 | |
| duke@435 | 99 | // Heap related flags |
| duke@435 | 100 | define_pd_global(uintx, PermSize, ScaleForWordSize(16*M)); |
| duke@435 | 101 | define_pd_global(uintx, MaxPermSize, ScaleForWordSize(64*M)); |
| duke@435 | 102 | |
| duke@435 | 103 | // Ergonomics related flags |
| duke@435 | 104 | define_pd_global(bool, NeverActAsServerClassMachine, false); |
