Fix SmiCompare on 64 bit to distinguish between comparisons where...

src/arm/full-codegen-arm.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 3113 matching lines @@
   Register index1 = r1;
   Register index2 = r2;
   Register elements = r3;
   Register scratch1 = r4;
   Register scratch2 = r5;
 
   __ ldr(object, MemOperand(sp, 2 * kPointerSize));
   // Fetch the map and check if array is in fast case.
   // Check that object doesn't require security checks and
   // has no indexed interceptor.
-  __ CompareObjectType(object, scratch1, scratch2, FIRST_JS_OBJECT_TYPE);
-  __ b(lt, &slow_case);
+  __ CompareObjectType(object, scratch1, scratch2, JS_ARRAY_TYPE);
+  __ b(ne, &slow_case);
   // Map is now in scratch1.
 
   __ ldrb(scratch2, FieldMemOperand(scratch1, Map::kBitFieldOffset));
   __ tst(scratch2, Operand(KeyedLoadIC::kSlowCaseBitFieldMask));
   __ b(ne, &slow_case);
 
   // Check the object's elements are in fast case and writable.
   __ ldr(elements, FieldMemOperand(object, JSObject::kElementsOffset));
   __ ldr(scratch1, FieldMemOperand(elements, HeapObject::kMapOffset));
   __ LoadRoot(ip, Heap::kFixedArrayMapRootIndex);
@@ skipping 1136 matching lines @@
   __ mov(r1, Operand(r1, ASR, 1));  // Un-smi-tag value.
   __ add(pc, r1, Operand(masm_->CodeObject()));
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM