29 #include "utilities/macros.hpp"
30
31 // Sets the default values for platform dependent flags used by the runtime system.
32 // (see globals.hpp)
33
34 define_pd_global(bool, ConvertSleepToYield, true);
35 define_pd_global(bool, ShareVtableStubs, true);
36 define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
37
38 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
39 define_pd_global(bool, TrapBasedNullChecks, false); // Not needed on x86.
40 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast
41
42 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't
43 // assign a different value for C2 without touching a number of files. Use
44 // #ifdef to minimize the change as it's late in Mantis. -- FIXME.
45 // c1 doesn't have this problem because the fix to 4858033 assures us
46 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
47 // the uep and the vep doesn't get real alignment but just slops on by
48 // only assured that the entry instruction meets the 5 byte size requirement.
49 #ifdef COMPILER2
50 define_pd_global(intx, CodeEntryAlignment, 32);
51 #else
52 define_pd_global(intx, CodeEntryAlignment, 16);
53 #endif // COMPILER2
54 define_pd_global(intx, OptoLoopAlignment, 16);
55 define_pd_global(intx, InlineFrequencyCount, 100);
56 define_pd_global(intx, InlineSmallCode, 1000);
57
58 define_pd_global(intx, StackYellowPages, NOT_WINDOWS(2) WINDOWS_ONLY(3));
59 define_pd_global(intx, StackRedPages, 1);
60 #ifdef AMD64
61 // Very large C++ stack frames using solaris-amd64 optimized builds
62 // due to lack of optimization caused by C++ compiler bugs
63 define_pd_global(intx, StackShadowPages, NOT_WIN64(20) WIN64_ONLY(6) DEBUG_ONLY(+2));
64 #else
65 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
66 #endif // AMD64
67
68 define_pd_global(bool, RewriteBytecodes, true);
69 define_pd_global(bool, RewriteFrequentPairs, true);
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29 #include "utilities/macros.hpp"
30
31 // Sets the default values for platform dependent flags used by the runtime system.
32 // (see globals.hpp)
33
34 define_pd_global(bool, ConvertSleepToYield, true);
35 define_pd_global(bool, ShareVtableStubs, true);
36 define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this
37
38 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks
39 define_pd_global(bool, TrapBasedNullChecks, false); // Not needed on x86.
40 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast
41
42 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't
43 // assign a different value for C2 without touching a number of files. Use
44 // #ifdef to minimize the change as it's late in Mantis. -- FIXME.
45 // c1 doesn't have this problem because the fix to 4858033 assures us
46 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns
47 // the uep and the vep doesn't get real alignment but just slops on by
48 // only assured that the entry instruction meets the 5 byte size requirement.
49 #if defined(COMPILER2) || INCLUDE_JVMCI
50 define_pd_global(intx, CodeEntryAlignment, 32);
51 #else
52 define_pd_global(intx, CodeEntryAlignment, 16);
53 #endif // COMPILER2
54 define_pd_global(intx, OptoLoopAlignment, 16);
55 define_pd_global(intx, InlineFrequencyCount, 100);
56 define_pd_global(intx, InlineSmallCode, 1000);
57
58 define_pd_global(intx, StackYellowPages, NOT_WINDOWS(2) WINDOWS_ONLY(3));
59 define_pd_global(intx, StackRedPages, 1);
60 #ifdef AMD64
61 // Very large C++ stack frames using solaris-amd64 optimized builds
62 // due to lack of optimization caused by C++ compiler bugs
63 define_pd_global(intx, StackShadowPages, NOT_WIN64(20) WIN64_ONLY(6) DEBUG_ONLY(+2));
64 #else
65 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5));
66 #endif // AMD64
67
68 define_pd_global(bool, RewriteBytecodes, true);
69 define_pd_global(bool, RewriteFrequentPairs, true);
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