Reviewers: Søren Gjesse,

Description:
Reverting 2909,2908.

Please review this at http://codereview.chromium.org/215007

SVN Base: http://v8.googlecode.com/svn/branches/bleeding_edge/

Affected files:
   M     src/ia32/builtins-ia32.cc


Index: src/ia32/builtins-ia32.cc
===================================================================
--- src/ia32/builtins-ia32.cc   (revision 2909)
+++ src/ia32/builtins-ia32.cc   (working copy)
@@ -740,10 +740,7 @@
    __ mov(FieldOperand(scratch1, Array::kLengthOffset), Immediate(holes));

    // Fill the FixedArray with the hole value. Inline the code if short.
-  // Reconsider loop unfolding if kPreallocatedArrayElements gets changed.
-  static const int kLoopUnfoldLimit = 4;
-  ASSERT(kPreallocatedArrayElements <= kLoopUnfoldLimit);
-  if (holes <= kLoopUnfoldLimit) {
+  if (holes <= 4) {
      // Use a scratch register here to have only one reloc info when  
unfolding
      // the loop.
      __ mov(scratch3, Factory::the_hole_value());
@@ -1071,7 +1068,7 @@
      __ Assert(equal, "Unexpected initial map for Array function");
    }

-  // Run the native code for the Array function called as a normal  
function.
+  // Run the native code for the Array function called as constructor.
    ArrayNativeCode(masm, false, &generic_array_code);

    // Jump to the generic array code in case the specialized code cannot  
handle
@@ -1113,6 +1110,7 @@
    // Jump to the generic construct code in case the specialized code cannot
    // handle the construction.
    __ bind(&generic_constructor);
+  GenerateLoadArrayFunction(masm, edi);
    Code* code = Builtins::builtin(Builtins::JSConstructStubGeneric);
    Handle<Code> generic_construct_stub(code);
    __ jmp(generic_construct_stub, RelocInfo::CODE_TARGET);



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