Fix compilation error on ARM with gcc 4.4. Remove NULL check of pointer to...

Fix compilation error on ARM with gcc 4.4.  Remove NULL check of pointer to member, which was dead code (never failed).
Review URL: http://codereview.chromium.org/3793011

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5636 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/arm/codegen-arm.h

@@ -447,9 +447,6 @@ class CodeGenerator: public AstVisitor {
   void Branch(bool if_true, JumpTarget* target);
   void CheckStack();
 
-  static InlineFunctionGenerator FindInlineFunctionGenerator(
-      Runtime::FunctionId function_id);
-
   bool CheckForInlineRuntimeCall(CallRuntime* node);
 
   static Handle<Code> ComputeLazyCompile(int argc);

src/codegen.cc

@@ -361,24 +361,19 @@ const CodeGenerator::InlineFunctionGenerator
 #undef INLINE_FUNCTION_GENERATOR_ADDRESS
 
 
-CodeGenerator::InlineFunctionGenerator
-  CodeGenerator::FindInlineFunctionGenerator(Runtime::FunctionId id) {
-    return kInlineFunctionGenerators[
-      static_cast<int>(id) - static_cast<int>(Runtime::kFirstInlineFunction)];
-}
-
-
 bool CodeGenerator::CheckForInlineRuntimeCall(CallRuntime* node) {
   ZoneList<Expression*>* args = node->arguments();
   Handle<String> name = node->name();
   Runtime::Function* function = node->function();
   if (function != NULL && function->intrinsic_type == Runtime::INLINE) {
-    InlineFunctionGenerator generator =
-        FindInlineFunctionGenerator(function->function_id);
-    if (generator != NULL) {
-      ((*this).*(generator))(args);
-      return true;
-    }
+    int lookup_index = static_cast<int>(function->function_id) -
+        static_cast<int>(Runtime::kFirstInlineFunction);
+    ASSERT(lookup_index >= 0);
+    ASSERT(static_cast<size_t>(lookup_index) <
+           ARRAY_SIZE(kInlineFunctionGenerators));
+    InlineFunctionGenerator generator = kInlineFunctionGenerators[lookup_index];
+    (this->*generator)(args);
+    return true;
   }
   return false;
 }

src/codegen.h

@@ -62,7 +62,6 @@
 //   ComputeCallInitializeInLoop
 //   ProcessDeclarations
 //   DeclareGlobals
-//   FindInlineRuntimeLUT
 //   CheckForInlineRuntimeCall
 //   AnalyzeCondition
 //   CodeForFunctionPosition

src/ia32/codegen-ia32.h

@@ -624,9 +624,6 @@ class CodeGenerator: public AstVisitor {
 
   void CheckStack();
 
-  static InlineFunctionGenerator FindInlineFunctionGenerator(
-      Runtime::FunctionId function_id);
-
   bool CheckForInlineRuntimeCall(CallRuntime* node);
 
   void ProcessDeclarations(ZoneList<Declaration*>* declarations);

src/x64/codegen-x64.h

@@ -584,9 +584,6 @@ class CodeGenerator: public AstVisitor {
 
   void CheckStack();
 
-  static InlineFunctionGenerator FindInlineFunctionGenerator(
-      Runtime::FunctionId function_id);
-
   bool CheckForInlineRuntimeCall(CallRuntime* node);
 
   void ProcessDeclarations(ZoneList<Declaration*>* declarations);