Fix page fault in movsd when count is zero
Fix page fault in movsd when count is zero

modulexcite/v86,modulexcite/v86,copy/v86,bowlofstew/v86,Quirkbot/v86,durai145/v86,copy/v86,Quirkbot/v86,bowlofstew/v86,Quirkbot/v86,bowlofstew/v86,durai145/v86,Godning/v86,Quirkbot/v86,copy/v86,Quirkbot/v86,modulexcite/v86,copy/v86,Godning/v86,copy/v86,durai145/v86,copy/v86,bowlofstew/v86,Quirkbot/v86,Quirkbot/v86,durai145/v86,Godning/v86,copy/v86,Godning/v86,modulexcite/v86