Add enumeration to specify if smi check needed

src/ia32/stub-cache-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 1906 matching lines @@
   __ mov(eax, Operand(esp, 1 * kPointerSize));
 
   // Check if the argument is a smi.
   Label smi;
   STATIC_ASSERT(kSmiTag == 0);
   __ test(eax, Immediate(kSmiTagMask));
   __ j(zero, &smi);
 
   // Check if the argument is a heap number and load its value into xmm0.
   Label slow;
-  __ CheckMap(eax, factory()->heap_number_map(), &slow, true);
+  __ CheckMap(eax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK);
   __ movdbl(xmm0, FieldOperand(eax, HeapNumber::kValueOffset));
 
   // Check if the argument is strictly positive. Note this also
   // discards NaN.
   __ xorpd(xmm1, xmm1);
   __ ucomisd(xmm0, xmm1);
   __ j(below_equal, &slow);
 
   // Do a truncating conversion.
   __ cvttsd2si(eax, Operand(xmm0));
@@ skipping 123 matching lines @@
   // This only happens for the most negative smi.
   Label slow;
   __ j(negative, &slow);
 
   // Smi case done.
   __ ret(2 * kPointerSize);
 
   // Check if the argument is a heap number and load its exponent and
   // sign into ebx.
   __ bind(&not_smi);
-  __ CheckMap(eax, factory()->heap_number_map(), &slow, true);
+  __ CheckMap(eax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK);
   __ mov(ebx, FieldOperand(eax, HeapNumber::kExponentOffset));
 
   // Check the sign of the argument. If the argument is positive,
   // just return it.
   Label negative_sign;
   __ test(ebx, Immediate(HeapNumber::kSignMask));
   __ j(not_zero, &negative_sign);
   __ ret(2 * kPointerSize);
 
   // If the argument is negative, clear the sign, and return a new
@@ skipping 1233 matching lines @@
 
   // Check that the object isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
   __ j(zero, &slow);
 
   // Check that the key is a smi.
   __ test(eax, Immediate(kSmiTagMask));
   __ j(not_zero, &slow);
 
   // Check that the map matches.
-  __ CheckMap(edx, Handle<Map>(receiver->map()), &slow, false);
+  __ CheckMap(edx, Handle<Map>(receiver->map()), &slow, DO_SMI_CHECK);
   __ mov(ebx, FieldOperand(edx, JSObject::kElementsOffset));
 
   // eax: key, known to be a smi.
   // edx: receiver, known to be a JSObject.
   // ebx: elements object, known to be an external array.
   // Check that the index is in range.
   __ mov(ecx, eax);
   __ SmiUntag(ecx);  // Untag the index.
   __ cmp(ecx, FieldOperand(ebx, ExternalArray::kLengthOffset));
   // Unsigned comparison catches both negative and too-large values.
@@ skipping 133 matching lines @@
   //  -- edx    : receiver
   //  -- esp[0] : return address
   // -----------------------------------
   Label slow, check_heap_number;
 
   // Check that the object isn't a smi.
   __ test(edx, Immediate(kSmiTagMask));
   __ j(zero, &slow);
 
   // Check that the map matches.
-  __ CheckMap(edx, Handle<Map>(receiver->map()), &slow, false);
+  __ CheckMap(edx, Handle<Map>(receiver->map()), &slow, DO_SMI_CHECK);
 
   // Check that the key is a smi.
   __ test(ecx, Immediate(kSmiTagMask));
   __ j(not_zero, &slow);
 
   // Check that the index is in range.
   __ mov(edi, FieldOperand(edx, JSObject::kElementsOffset));
   __ mov(ebx, ecx);
   __ SmiUntag(ebx);
   __ cmp(ebx, FieldOperand(edi, ExternalArray::kLengthOffset));
@@ skipping 185 matching lines @@
 
   return GetCode(flags);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32