Revert "Add Smi::Zero and replace all Smi::FromInt(0) calls"

src/x87/macro-assembler-x87.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_X87
 
 #include "src/base/bits.h"
 #include "src/base/division-by-constant.h"
 #include "src/bootstrapper.h"
 #include "src/codegen.h"
@@ skipping 2919 matching lines @@
 
   // The index is assumed to be untagged coming in, tag it to compare with the
   // string length without using a temp register, it is restored at the end of
   // this function.
   SmiTag(index);
   Check(no_overflow, kIndexIsTooLarge);
 
   cmp(index, FieldOperand(string, String::kLengthOffset));
   Check(less, kIndexIsTooLarge);
 
-  cmp(index, Immediate(Smi::kZero));
+  cmp(index, Immediate(Smi::FromInt(0)));
   Check(greater_equal, kIndexIsNegative);
 
   // Restore the index
   SmiUntag(index);
 }
 
 
 void MacroAssembler::PrepareCallCFunction(int num_arguments, Register scratch) {
   int frame_alignment = base::OS::ActivationFrameAlignment();
   if (frame_alignment != 0) {
@@ skipping 232 matching lines @@
   cmp(edx, Immediate(Smi::FromInt(kInvalidEnumCacheSentinel)));
   j(equal, call_runtime);
 
   jmp(&start);
 
   bind(&next);
   mov(ebx, FieldOperand(ecx, HeapObject::kMapOffset));
 
   // For all objects but the receiver, check that the cache is empty.
   EnumLength(edx, ebx);
-  cmp(edx, Immediate(Smi::kZero));
+  cmp(edx, Immediate(Smi::FromInt(0)));
   j(not_equal, call_runtime);
 
   bind(&start);
 
   // Check that there are no elements. Register rcx contains the current JS
   // object we've reached through the prototype chain.
   Label no_elements;
   mov(ecx, FieldOperand(ecx, JSObject::kElementsOffset));
   cmp(ecx, isolate()->factory()->empty_fixed_array());
   j(equal, &no_elements);
@@ skipping 100 matching lines @@
   mov(eax, dividend);
   shr(eax, 31);
   add(edx, eax);
 }
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_X87