Version 3.7.2

src/x64/builtins-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 1057 matching lines @@
   if (initial_capacity <= kLoopUnfoldLimit) {
     // Use a scratch register here to have only one reloc info when unfolding
     // the loop.
     for (int i = 0; i < initial_capacity; i++) {
       __ movq(FieldOperand(scratch1,
                            FixedArray::kHeaderSize + i * kPointerSize),
               scratch3);
     }
   } else {
     Label loop, entry;
+    __ movq(scratch2, Immediate(initial_capacity));
     __ jmp(&entry);
     __ bind(&loop);
-    __ movq(Operand(scratch1, 0), scratch3);
-    __ addq(scratch1, Immediate(kPointerSize));
+    __ movq(FieldOperand(scratch1,
+                         scratch2,
+                         times_pointer_size,
+                         FixedArray::kHeaderSize),
+            scratch3);
     __ bind(&entry);
-    __ cmpq(scratch1, scratch2);
-    __ j(below, &loop);
+    __ decq(scratch2);
+    __ j(not_sign, &loop);
   }
 }
 
 
 // Allocate a JSArray with the number of elements stored in a register. The
 // register array_function holds the built-in Array function and the register
 // array_size holds the size of the array as a smi. The allocated array is put
 // into the result register and beginning and end of the FixedArray elements
 // storage is put into registers elements_array and elements_array_end  (see
 // below for when that is not the case). If the parameter fill_with_holes is
@@ skipping 474 matching lines @@
   Deoptimizer::EntryGenerator generator(masm, Deoptimizer::OSR);
   generator.Generate();
 }
 
 
 #undef __
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64