1/*
2 * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
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.
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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23 */
24
25#ifndef CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
26#define CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
27
28#include "utilities/globalDefinitions.hpp"
29#include "utilities/macros.hpp"
30
31// Sets the default values for platform dependent flags used by the server compiler.
32// (see c2_globals.hpp).  Alpha-sorted.
33
34define_pd_global(bool, BackgroundCompilation,        true);
35define_pd_global(bool, CICompileOSR,                 true);
36define_pd_global(bool, InlineIntrinsics,             false);
37define_pd_global(bool, PreferInterpreterNativeStubs, false);
38define_pd_global(bool, ProfileTraps,                 true);
39define_pd_global(bool, UseOnStackReplacement,        true);
40define_pd_global(bool, ProfileInterpreter,           true);
41define_pd_global(bool, TieredCompilation,            trueInTiered);
42define_pd_global(intx, CompileThreshold,             10000);
43
44define_pd_global(intx, OnStackReplacePercentage,     140);
45define_pd_global(intx, ConditionalMoveLimit,         4);
46define_pd_global(intx, FLOATPRESSURE,                52);  // C2 on V9 gets to use all the float/double registers
47define_pd_global(intx, FreqInlineSize,               175);
48define_pd_global(intx, INTPRESSURE,                  48);  // large register set
49define_pd_global(intx, InteriorEntryAlignment,       16);  // = CodeEntryAlignment
50define_pd_global(size_t, NewSizeThreadIncrease,      ScaleForWordSize(4*K));
51define_pd_global(intx, RegisterCostAreaRatio,        12000);
52define_pd_global(bool, UseTLAB,                      true);
53define_pd_global(bool, ResizeTLAB,                   true);
54define_pd_global(intx, LoopUnrollLimit,              60); // Design center runs on 1.3.1
55define_pd_global(intx, LoopPercentProfileLimit,      10);
56define_pd_global(intx, MinJumpTableSize,             5);
57
58// Peephole and CISC spilling both break the graph, and so makes the
59// scheduler sick.
60define_pd_global(bool, OptoPeephole,                 false);
61define_pd_global(bool, UseCISCSpill,                 false);
62define_pd_global(bool, OptoBundling,                 false);
63define_pd_global(bool, OptoScheduling,               true);
64define_pd_global(bool, OptoRegScheduling,            false);
65define_pd_global(bool, SuperWordLoopUnrollAnalysis,  false);
66define_pd_global(bool, IdealizeClearArrayNode,       true);
67
68#ifdef _LP64
69// We need to make sure that all generated code is within
70// 2 gigs of the libjvm.so runtime routines so we can use
71// the faster "call" instruction rather than the expensive
72// sequence of instructions to load a 64 bit pointer.
73//
74// InitialCodeCacheSize derived from specjbb2000 run.
75define_pd_global(intx, InitialCodeCacheSize,         2048*K); // Integral multiple of CodeCacheExpansionSize
76define_pd_global(intx, ReservedCodeCacheSize,        48*M);
77define_pd_global(intx, NonProfiledCodeHeapSize,      21*M);
78define_pd_global(intx, ProfiledCodeHeapSize,         22*M);
79define_pd_global(intx, NonNMethodCodeHeapSize,       5*M );
80define_pd_global(intx, CodeCacheExpansionSize,       64*K);
81
82// Ergonomics related flags
83define_pd_global(uint64_t,MaxRAM,                    128ULL*G);
84#else
85// InitialCodeCacheSize derived from specjbb2000 run.
86define_pd_global(intx, InitialCodeCacheSize,         1536*K); // Integral multiple of CodeCacheExpansionSize
87define_pd_global(intx, ReservedCodeCacheSize,        32*M);
88define_pd_global(intx, NonProfiledCodeHeapSize,      13*M);
89define_pd_global(intx, ProfiledCodeHeapSize,         14*M);
90define_pd_global(intx, NonNMethodCodeHeapSize,       5*M );
91define_pd_global(intx, CodeCacheExpansionSize,       32*K);
92// Ergonomics related flags
93define_pd_global(uint64_t, MaxRAM,                   4ULL*G);
94#endif
95define_pd_global(uintx, CodeCacheMinBlockLength,     4);
96define_pd_global(uintx, CodeCacheMinimumUseSpace,    400*K);
97
98define_pd_global(bool,  TrapBasedRangeChecks,        false); // Not needed on sparc.
99
100// Heap related flags
101define_pd_global(size_t, MetaspaceSize,              ScaleForWordSize(16*M));
102
103// Ergonomics related flags
104define_pd_global(bool, NeverActAsServerClassMachine, false);
105
106#endif // CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
107