Partial ia32 implementation of optimized try/catch (by Kevin Millikin)

src/compiler.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 692 matching lines @@
   // these are not set when the function is set up as a lazily
   // compiled function.
   shared->SetThisPropertyAssignmentsInfo(
       lit->has_only_simple_this_property_assignments(),
       *lit->this_property_assignments());
 
   // Check the function has compiled code.
   ASSERT(shared->is_compiled());
   shared->set_code_age(0);
   shared->set_dont_optimize(lit->flags()->Contains(kDontOptimize));
+  shared->set_dont_osr(lit->flags()->Contains(kDontOsr));
   shared->set_dont_inline(lit->flags()->Contains(kDontInline));
   shared->set_ast_node_count(lit->ast_node_count());
 
   if (V8::UseCrankshaft() &&
       !function.is_null() &&
       !shared->optimization_disabled()) {
     // If we're asked to always optimize, we compile the optimized
     // version of the function right away - unless the debugger is
     // active as it makes no sense to compile optimized code then.
     if (FLAG_always_opt &&
@@ skipping 275 matching lines @@
       *lit->this_property_assignments());
   function_info->set_allows_lazy_compilation(lit->AllowsLazyCompilation());
   function_info->set_allows_lazy_compilation_without_context(
       lit->AllowsLazyCompilationWithoutContext());
   function_info->set_language_mode(lit->language_mode());
   function_info->set_uses_arguments(lit->scope()->arguments() != NULL);
   function_info->set_has_duplicate_parameters(lit->has_duplicate_parameters());
   function_info->set_ast_node_count(lit->ast_node_count());
   function_info->set_is_function(lit->is_function());
   function_info->set_dont_optimize(lit->flags()->Contains(kDontOptimize));
+  function_info->set_dont_osr(lit->flags()->Contains(kDontOsr));
   function_info->set_dont_inline(lit->flags()->Contains(kDontInline));
   function_info->set_dont_cache(lit->flags()->Contains(kDontCache));
 }
 
 
 void Compiler::RecordFunctionCompilation(Logger::LogEventsAndTags tag,
                                          CompilationInfo* info,
                                          Handle<SharedFunctionInfo> shared) {
   // SharedFunctionInfo is passed separately, because if CompilationInfo
   // was created using Script object, it will not have it.
@@ skipping 25 matching lines @@
     }
   }
 
   GDBJIT(AddCode(Handle<String>(shared->DebugName()),
                  Handle<Script>(info->script()),
                  Handle<Code>(info->code()),
                  info));
 }
 
 } }  // namespace v8::internal