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diff src/share/vm/interpreter/abstractInterpreter.hpp @ 900:9987d9d5eb0e

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6833129: specjvm98 fails with NullPointerException in the compiler with -XX:DeoptimizeALot Summary: developed a reexecute logic for the interpreter to reexecute the bytecode when deopt happens Reviewed-by: kvn, never, jrose, twisti
author cfang
date Fri, 31 Jul 2009 17:12:33 -0700
parents be93aad57795
children ddb7834449d0
line wrap: on
line diff
--- a/src/share/vm/interpreter/abstractInterpreter.hpp	Fri Jul 31 12:04:07 2009 -0700
+++ b/src/share/vm/interpreter/abstractInterpreter.hpp	Fri Jul 31 17:12:33 2009 -0700
@@ -122,11 +122,15 @@
   static int        size_top_interpreter_activation(methodOop method);
 
   // Deoptimization support
-  static address    continuation_for(methodOop method,
-                                     address bcp,
-                                     int callee_parameters,
-                                     bool is_top_frame,
-                                     bool& use_next_mdp);
+  // Compute the entry address for continuation after
+  static address deopt_continue_after_entry(methodOop method,
+                                            address bcp,
+                                            int callee_parameters,
+                                            bool is_top_frame);
+  // Compute the entry address for reexecution
+  static address deopt_reexecute_entry(methodOop method, address bcp);
+  // Deoptimization should reexecute this bytecode
+  static bool    bytecode_should_reexecute(Bytecodes::Code code);
 
   // share implementation of size_activation and layout_activation:
   static int        size_activation(methodOop method,