Fixed regression introduced in r9023.

src/ia32/code-stubs-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 2436 matching lines @@
                                                  Label* conversion_failure) {
   // Check float operands.
   Label arg1_is_object, check_undefined_arg1;
   Label arg2_is_object, check_undefined_arg2;
   Label load_arg2, done;
 
   // Test if arg1 is a Smi.
   __ JumpIfNotSmi(edx, &arg1_is_object, Label::kNear);
 
   __ SmiUntag(edx);
-  __ jmp(&load_arg2, Label::kNear);
+  __ jmp(&load_arg2);
 
   // If the argument is undefined it converts to zero (ECMA-262, section 9.5).
   __ bind(&check_undefined_arg1);
   Factory* factory = masm->isolate()->factory();
   __ cmp(edx, factory->undefined_value());
   __ j(not_equal, conversion_failure);
   __ mov(edx, Immediate(0));
-  __ jmp(&load_arg2, Label::kNear);
+  __ jmp(&load_arg2);
 
   __ bind(&arg1_is_object);
   __ mov(ebx, FieldOperand(edx, HeapObject::kMapOffset));
   __ cmp(ebx, factory->heap_number_map());
   __ j(not_equal, &check_undefined_arg1);
 
   // Get the untagged integer version of the edx heap number in ecx.
   IntegerConvert(masm, edx, use_sse3, conversion_failure);

[Yang, 2011/08/26 11:53:30]

Turned out that IntegerConvert generates a lot of code if use_sse3 == false

   __ mov(edx, ecx);
 
   // Here edx has the untagged integer, eax has a Smi or a heap number.
   __ bind(&load_arg2);
 
   // Test if arg2 is a Smi.
   __ JumpIfNotSmi(eax, &arg2_is_object, Label::kNear);
 
   __ SmiUntag(eax);
   __ mov(ecx, eax);
-  __ jmp(&done, Label::kNear);
+  __ jmp(&done);
 
   // If the argument is undefined it converts to zero (ECMA-262, section 9.5).
   __ bind(&check_undefined_arg2);
   __ cmp(eax, factory->undefined_value());
   __ j(not_equal, conversion_failure);
   __ mov(ecx, Immediate(0));
-  __ jmp(&done, Label::kNear);
+  __ jmp(&done);
 
   __ bind(&arg2_is_object);
   __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset));
   __ cmp(ebx, factory->heap_number_map());
   __ j(not_equal, &check_undefined_arg2);
 
   // Get the untagged integer version of the eax heap number in ecx.
   IntegerConvert(masm, eax, use_sse3, conversion_failure);
   __ bind(&done);
   __ mov(eax, edx);
@@ skipping 3863 matching lines @@
   __ Drop(1);
   __ ret(2 * kPointerSize);
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32