Refactor and improve inlined double-aligned allocations

src/ia32/builtins-ia32.cc

 // Copyright 2012 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 239 matching lines @@
       __ Assert(positive, "Property allocation count failed.");
 
       // Scale the number of elements by pointer size and add the header for
       // FixedArrays to the start of the next object calculation from above.
       // ebx: JSObject
       // edi: start of next object (will be start of FixedArray)
       // edx: number of elements in properties array
       __ AllocateInNewSpace(FixedArray::kHeaderSize,
                             times_pointer_size,
                             edx,
+                            REGISTER_VALUE_IS_INT32,
                             edi,
                             ecx,
                             no_reg,
                             &undo_allocation,
                             RESULT_CONTAINS_TOP);
 
       // Initialize the FixedArray.
       // ebx: JSObject
       // edi: FixedArray
       // edx: number of elements
@@ skipping 825 matching lines @@
   ASSERT(!fill_with_hole || array_size.is(ecx));  // rep stos count
   ASSERT(!fill_with_hole || !result.is(eax));  // result is never eax
 
   __ LoadInitialArrayMap(array_function, scratch,
                          elements_array, fill_with_hole);
 
   // Allocate the JSArray object together with space for a FixedArray with the
   // requested elements.
   STATIC_ASSERT(kSmiTagSize == 1 && kSmiTag == 0);
   __ AllocateInNewSpace(JSArray::kSize + FixedArray::kHeaderSize,
-                        times_half_pointer_size,  // array_size is a smi.
+                        times_pointer_size,
                         array_size,
+                        REGISTER_VALUE_IS_SMI,
                         result,
                         elements_array_end,
                         scratch,
                         gc_required,
                         TAG_OBJECT);
 
   // Allocated the JSArray. Now initialize the fields except for the elements
   // array.
   // result: JSObject
   // elements_array: initial map
@@ skipping 705 matching lines @@
   Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR);
   generator.Generate();
 }
 
 
 #undef __
 }
 }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32