Version 3.3.8

src/x64/stub-cache-x64.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 1887 matching lines @@
   // This only happens for the most negative smi.
   Label slow;
   __ j(negative, &slow);
 
   // Smi case done.
   __ Integer32ToSmi(rax, rax);
   __ ret(2 * kPointerSize);
 
   // Check if the argument is a heap number and load its value.
   __ bind(&not_smi);
-  __ CheckMap(rax, factory()->heap_number_map(), &slow, true);
+  __ CheckMap(rax, factory()->heap_number_map(), &slow, DONT_DO_SMI_CHECK);
   __ movq(rbx, FieldOperand(rax, HeapNumber::kValueOffset));
 
   // Check the sign of the argument. If the argument is positive,
   // just return it.
   Label negative_sign;
   const int sign_mask_shift =
       (HeapNumber::kExponentOffset - HeapNumber::kValueOffset) * kBitsPerByte;
   __ movq(rdi, static_cast<int64_t>(HeapNumber::kSignMask) << sign_mask_shift,
           RelocInfo::NONE);
   __ testq(rbx, rdi);
@@ skipping 1211 matching lines @@
   // -----------------------------------
   Label slow;
 
   // Check that the object isn't a smi.
   __ JumpIfSmi(rdx, &slow);
 
   // Check that the key is a smi.
   __ JumpIfNotSmi(rax, &slow);
 
   // Check that the map matches.
-  __ CheckMap(rdx, Handle<Map>(receiver->map()), &slow, false);
+  __ CheckMap(rdx, Handle<Map>(receiver->map()), &slow, DO_SMI_CHECK);
   __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset));
 
   // Check that the index is in range.
   __ SmiToInteger32(rcx, rax);
   __ cmpl(rcx, FieldOperand(rbx, ExternalArray::kLengthOffset));
   // Unsigned comparison catches both negative and too-large values.
   __ j(above_equal, &slow);
 
   // rax: index (as a smi)
   // rdx: receiver (JSObject)
@@ skipping 109 matching lines @@
   //  -- rcx     : key
   //  -- rdx     : receiver
   //  -- rsp[0]  : return address
   // -----------------------------------
   Label slow;
 
   // Check that the object isn't a smi.
   __ JumpIfSmi(rdx, &slow);
 
   // Check that the map matches.
-  __ CheckMap(rdx, Handle<Map>(receiver->map()), &slow, false);
+  __ CheckMap(rdx, Handle<Map>(receiver->map()), &slow, DO_SMI_CHECK);
   __ movq(rbx, FieldOperand(rdx, JSObject::kElementsOffset));
 
   // Check that the key is a smi.
   __ JumpIfNotSmi(rcx, &slow);
 
   // Check that the index is in range.
   __ SmiToInteger32(rdi, rcx);  // Untag the index.
   __ cmpl(rdi, FieldOperand(rbx, ExternalArray::kLengthOffset));
   // Unsigned comparison catches both negative and too-large values.
   __ j(above_equal, &slow);
@@ skipping 143 matching lines @@
   __ TailCallRuntime(Runtime::kSetProperty, 5, 1);
 
   return GetCode(flags);
 }
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64