 <p>So modify the two lines to:</p> <p>movlps QWORD PTR[rdx], xmm7</p> <p>movss dword ptr [rdx+8], xmm6</p> <p>like here: <a href="http://social.msdn.microsoft.com/Forums/en-US/vcgeneral/thread/4f473acb-7b14-4bf4-bed3-e5e87e1f81e7" rel="nofollow noreferrer">http://social.msdn.microsoft.com/Forums/en-US/vcgeneral/thread/4f473acb-7b14-4bf4-bed3-e5e87e1f81e7</a></p>