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. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef CPU_X86_VM_GLOBALS_X86_HPP 26 #define CPU_X86_VM_GLOBALS_X86_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 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, CountInterpCalls, true); 37 define_pd_global(bool, NeedsDeoptSuspend, false); // only register window machines need this 38 39 define_pd_global(bool, ImplicitNullChecks, true); // Generate code for implicit null checks 40 define_pd_global(bool, TrapBasedNullChecks, false); // Not needed on x86. 41 define_pd_global(bool, UncommonNullCast, true); // Uncommon-trap NULLs passed to check cast 42 43 // See 4827828 for this change. There is no globals_core_i486.hpp. I can't 44 // assign a different value for C2 without touching a number of files. Use 45 // #ifdef to minimize the change as it's late in Mantis. -- FIXME. 46 // c1 doesn't have this problem because the fix to 4858033 assures us 47 // the the vep is aligned at CodeEntryAlignment whereas c2 only aligns 48 // the uep and the vep doesn't get real alignment but just slops on by 49 // only assured that the entry instruction meets the 5 byte size requirement. 50 #ifdef COMPILER2 51 define_pd_global(intx, CodeEntryAlignment, 32); 52 #else 53 define_pd_global(intx, CodeEntryAlignment, 16); 54 #endif // COMPILER2 55 define_pd_global(intx, OptoLoopAlignment, 16); 56 define_pd_global(intx, InlineFrequencyCount, 100); 57 define_pd_global(intx, InlineSmallCode, 1000); 58 59 define_pd_global(intx, StackYellowPages, NOT_WINDOWS(2) WINDOWS_ONLY(3)); 60 define_pd_global(intx, StackRedPages, 1); 61 #ifdef AMD64 62 // Very large C++ stack frames using solaris-amd64 optimized builds 63 // due to lack of optimization caused by C++ compiler bugs 64 define_pd_global(intx, StackShadowPages, NOT_WIN64(20) WIN64_ONLY(6) DEBUG_ONLY(+2)); 65 #else 66 define_pd_global(intx, StackShadowPages, 4 DEBUG_ONLY(+5)); 67 #endif // AMD64 68 69 define_pd_global(intx, PreInflateSpin, 10); 70 71 define_pd_global(bool, RewriteBytecodes, true); 72 define_pd_global(bool, RewriteFrequentPairs, true); 73 74 #ifdef _ALLBSD_SOURCE 75 define_pd_global(bool, UseMembar, true); 76 #else 77 define_pd_global(bool, UseMembar, false); 78 #endif 79 80 // GC Ergo Flags 81 define_pd_global(size_t, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread 82 83 define_pd_global(uintx, TypeProfileLevel, 111); 84 85 define_pd_global(bool, PreserveFramePointer, false); 86 87 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint) \ 88 \ 89 develop(bool, IEEEPrecision, true, \ | 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. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #ifndef CPU_X86_VM_GLOBALS_X86_HPP 26 #define CPU_X86_VM_GLOBALS_X86_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 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); 70 71 #ifdef _ALLBSD_SOURCE 72 define_pd_global(bool, UseMembar, true); 73 #else 74 define_pd_global(bool, UseMembar, false); 75 #endif 76 77 // GC Ergo Flags 78 define_pd_global(size_t, CMSYoungGenPerWorker, 64*M); // default max size of CMS young gen, per GC worker thread 79 80 define_pd_global(uintx, TypeProfileLevel, 111); 81 82 define_pd_global(bool, PreserveFramePointer, false); 83 84 #define ARCH_FLAGS(develop, product, diagnostic, experimental, notproduct, range, constraint) \ 85 \ 86 develop(bool, IEEEPrecision, true, \ |