This is a followup of :
commit e748b096
Author: Kristian Rietveld <kris@lanedo.com>
Date:   Sat Oct 15 01:15:21 2011 +0200

    Mark ecx register as clobbered

    The inline assembly code executes a function call and functions are
    free to use eax, ecx and edx without preservation. We must thus mark
    ecx as a clobber register.

Change-Id: I4e9ed38189b23c2bb6d4fbdedc34c318026acfe7