Second attempt: Improve our type feedback by recogizining never-executed IC c...

src/ia32/code-stubs-ia32.h

 // Copyright 2010 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 232 matching lines @@
   TypeRecordingBinaryOpStub(Token::Value op, OverwriteMode mode)
       : op_(op),
         mode_(mode),
         operands_type_(TRBinaryOpIC::UNINITIALIZED),
         result_type_(TRBinaryOpIC::UNINITIALIZED),
         name_(NULL) {
     use_sse3_ = CpuFeatures::IsSupported(SSE3);
     ASSERT(OpBits::is_valid(Token::NUM_TOKENS));
   }
 
-  TypeRecordingBinaryOpStub(int key,
+  TypeRecordingBinaryOpStub(
+      int key,
       TRBinaryOpIC::TypeInfo operands_type,
       TRBinaryOpIC::TypeInfo result_type = TRBinaryOpIC::UNINITIALIZED)
       : op_(OpBits::decode(key)),
         mode_(ModeBits::decode(key)),
         use_sse3_(SSE3Bits::decode(key)),
         operands_type_(operands_type),
         result_type_(result_type),
-        name_(NULL) {
-  }
+        name_(NULL) { }
 
   // Generate code to call the stub with the supplied arguments. This will add
   // code at the call site to prepare arguments either in registers or on the
   // stack together with the actual call.
   void GenerateCall(MacroAssembler* masm, Register left, Register right);
   void GenerateCall(MacroAssembler* masm, Register left, Smi* right);
   void GenerateCall(MacroAssembler* masm, Smi* left, Register right);
 
  private:
   enum SmiCodeGenerateHeapNumberResults {
@@ skipping 234 matching lines @@
   void Print() {
     PrintF("NumberToStringStub\n");
   }
 #endif
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_CODE_STUBS_IA32_H_