Fri, 25 Mar 2011 09:35:39 +0100
7029017: Additional architecture support for c2 compiler
Summary: Enables cross building of a c2 VM. Support masking of shift counts when the processor architecture mandates it.
Reviewed-by: kvn, never
1 /*
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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7 * published by the Free Software Foundation.
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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13 * accompanied this code).
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15 * You should have received a copy of the GNU General Public License version
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25 #ifndef CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
26 #define CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP
28 #include "utilities/globalDefinitions.hpp"
29 #include "utilities/macros.hpp"
31 // Sets the default values for platform dependent flags used by the server compiler.
32 // (see c2_globals.hpp). Alpha-sorted.
34 define_pd_global(bool, BackgroundCompilation, true);
35 define_pd_global(bool, CICompileOSR, true);
36 define_pd_global(bool, InlineIntrinsics, false);
37 define_pd_global(bool, PreferInterpreterNativeStubs, false);
38 define_pd_global(bool, ProfileTraps, true);
39 define_pd_global(bool, UseOnStackReplacement, true);
40 #ifdef CC_INTERP
41 define_pd_global(bool, ProfileInterpreter, false);
42 #else
43 define_pd_global(bool, ProfileInterpreter, true);
44 #endif // CC_INTERP
45 define_pd_global(bool, TieredCompilation, false);
46 define_pd_global(intx, CompileThreshold, 10000);
47 define_pd_global(intx, BackEdgeThreshold, 140000);
49 define_pd_global(intx, OnStackReplacePercentage, 140);
50 define_pd_global(intx, ConditionalMoveLimit, 4);
51 define_pd_global(intx, FLOATPRESSURE, 52); // C2 on V9 gets to use all the float/double registers
52 define_pd_global(intx, FreqInlineSize, 175);
53 define_pd_global(intx, INTPRESSURE, 48); // large register set
54 define_pd_global(intx, InteriorEntryAlignment, 16); // = CodeEntryAlignment
55 define_pd_global(intx, NewSizeThreadIncrease, ScaleForWordSize(4*K));
56 define_pd_global(intx, RegisterCostAreaRatio, 12000);
57 define_pd_global(bool, UseTLAB, true);
58 define_pd_global(bool, ResizeTLAB, true);
59 define_pd_global(intx, LoopUnrollLimit, 60); // Design center runs on 1.3.1
61 // Peephole and CISC spilling both break the graph, and so makes the
62 // scheduler sick.
63 define_pd_global(bool, OptoPeephole, false);
64 define_pd_global(bool, UseCISCSpill, false);
65 define_pd_global(bool, OptoBundling, false);
66 define_pd_global(bool, OptoScheduling, true);
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.
75 define_pd_global(intx, InitialCodeCacheSize, 2048*K); // Integral multiple of CodeCacheExpansionSize
76 define_pd_global(intx, ReservedCodeCacheSize, 48*M);
77 define_pd_global(intx, CodeCacheExpansionSize, 64*K);
79 // Ergonomics related flags
80 define_pd_global(uint64_t,MaxRAM, 128ULL*G);
81 #else
82 // InitialCodeCacheSize derived from specjbb2000 run.
83 define_pd_global(intx, InitialCodeCacheSize, 1536*K); // Integral multiple of CodeCacheExpansionSize
84 define_pd_global(intx, ReservedCodeCacheSize, 32*M);
85 define_pd_global(intx, CodeCacheExpansionSize, 32*K);
86 // Ergonomics related flags
87 define_pd_global(uint64_t,MaxRAM, 4ULL*G);
88 #endif
89 define_pd_global(uintx,CodeCacheMinBlockLength, 4);
91 // Heap related flags
92 define_pd_global(uintx,PermSize, ScaleForWordSize(16*M));
93 define_pd_global(uintx,MaxPermSize, ScaleForWordSize(64*M));
95 // Ergonomics related flags
96 define_pd_global(bool, NeverActAsServerClassMachine, false);
98 #endif // CPU_SPARC_VM_C2_GLOBALS_SPARC_HPP