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src/share/vm/runtime/sharedRuntime.hpp

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rev 8802 : G1 performance improvements: card batching, joining, sorting, prefetching and write barrier fence elision and simplification based on a global syncrhonization using handshakes piggybacking on thread-local safepoints.


 158   static int  fcmpg(float x, float y);
 159   static int  dcmpl(double x, double y);
 160   static int  dcmpg(double x, double y);
 161 
 162   static int unordered_fcmplt(float x, float y);
 163   static int unordered_dcmplt(double x, double y);
 164   static int unordered_fcmple(float x, float y);
 165   static int unordered_dcmple(double x, double y);
 166   static int unordered_fcmpge(float x, float y);
 167   static int unordered_dcmpge(double x, double y);
 168   static int unordered_fcmpgt(float x, float y);
 169   static int unordered_dcmpgt(double x, double y);
 170 
 171   static float  fneg(float f);
 172   static double dneg(double f);
 173 #endif
 174 
 175   // exception handling across interpreter/compiler boundaries
 176   static address raw_exception_handler_for_return_address(JavaThread* thread, address return_address);
 177   static address exception_handler_for_return_address(JavaThread* thread, address return_address);

 178 
 179 #if INCLUDE_ALL_GCS
 180   // G1 write barriers
 181   static void g1_wb_pre(oopDesc* orig, JavaThread *thread);
 182   static void g1_wb_post(void* card_addr, JavaThread* thread);
 183 #endif // INCLUDE_ALL_GCS
 184 
 185   // exception handling and implicit exceptions
 186   static address compute_compiled_exc_handler(nmethod* nm, address ret_pc, Handle& exception,
 187                                               bool force_unwind, bool top_frame_only);
 188   enum ImplicitExceptionKind {
 189     IMPLICIT_NULL,
 190     IMPLICIT_DIVIDE_BY_ZERO,
 191     STACK_OVERFLOW
 192   };
 193   static void    throw_AbstractMethodError(JavaThread* thread);
 194   static void    throw_IncompatibleClassChangeError(JavaThread* thread);
 195   static void    throw_ArithmeticException(JavaThread* thread);
 196   static void    throw_NullPointerException(JavaThread* thread);
 197   static void    throw_NullPointerException_at_call(JavaThread* thread);




 158   static int  fcmpg(float x, float y);
 159   static int  dcmpl(double x, double y);
 160   static int  dcmpg(double x, double y);
 161 
 162   static int unordered_fcmplt(float x, float y);
 163   static int unordered_dcmplt(double x, double y);
 164   static int unordered_fcmple(float x, float y);
 165   static int unordered_dcmple(double x, double y);
 166   static int unordered_fcmpge(float x, float y);
 167   static int unordered_dcmpge(double x, double y);
 168   static int unordered_fcmpgt(float x, float y);
 169   static int unordered_dcmpgt(double x, double y);
 170 
 171   static float  fneg(float f);
 172   static double dneg(double f);
 173 #endif
 174 
 175   // exception handling across interpreter/compiler boundaries
 176   static address raw_exception_handler_for_return_address(JavaThread* thread, address return_address);
 177   static address exception_handler_for_return_address(JavaThread* thread, address return_address);
 178   static void thread_local_safepoint(JavaThread *thread);
 179 
 180 #if INCLUDE_ALL_GCS
 181   // G1 write barriers
 182   static void g1_wb_pre(oopDesc* orig, JavaThread *thread);
 183   static void g1_wb_post(void* card_addr, JavaThread* thread);
 184 #endif // INCLUDE_ALL_GCS
 185 
 186   // exception handling and implicit exceptions
 187   static address compute_compiled_exc_handler(nmethod* nm, address ret_pc, Handle& exception,
 188                                               bool force_unwind, bool top_frame_only);
 189   enum ImplicitExceptionKind {
 190     IMPLICIT_NULL,
 191     IMPLICIT_DIVIDE_BY_ZERO,
 192     STACK_OVERFLOW
 193   };
 194   static void    throw_AbstractMethodError(JavaThread* thread);
 195   static void    throw_IncompatibleClassChangeError(JavaThread* thread);
 196   static void    throw_ArithmeticException(JavaThread* thread);
 197   static void    throw_NullPointerException(JavaThread* thread);
 198   static void    throw_NullPointerException_at_call(JavaThread* thread);


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