Simplify compares in KeyedStoreIC::GenerateGeneric.

src/ia32/ic-ia32.cc

 // Copyright 2011 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 734 matching lines @@
   // Check that the receiver does not require access checks.  We need
   // to do this because this generic stub does not perform map checks.
   __ test_b(FieldOperand(edi, Map::kBitFieldOffset),
             1 << Map::kIsAccessCheckNeeded);
   __ j(not_zero, &slow);
   // Check that the key is a smi.
   __ JumpIfNotSmi(ecx, &slow);
   __ CmpInstanceType(edi, JS_ARRAY_TYPE);
   __ j(equal, &array);
   // Check that the object is some kind of JSObject.
-  __ CmpInstanceType(edi, FIRST_JS_RECEIVER_TYPE);
+  __ CmpInstanceType(edi, FIRST_JS_OBJECT_TYPE);
   __ j(below, &slow);
-  __ CmpInstanceType(edi, JS_PROXY_TYPE);
-  __ j(equal, &slow);
-  __ CmpInstanceType(edi, JS_FUNCTION_PROXY_TYPE);
-  __ j(equal, &slow);
 
   // Object case: Check key against length in the elements array.
   // eax: value
   // edx: JSObject
   // ecx: key (a smi)
   // edi: receiver map
   __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset));
   // Check that the object is in fast mode and writable.
   __ cmp(ecx, FieldOperand(ebx, FixedArray::kLengthOffset));
   __ j(below, &fast_object_with_map_check);
@@ skipping 912 matching lines @@
   Condition cc = *jmp_address == Assembler::kJncShortOpcode
       ? not_zero
       : zero;
   *jmp_address = static_cast<byte>(Assembler::kJccShortPrefix | cc);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32