ory if RFBM[1] = 1 or RFBM[2] = 1, regardless of the value of XINUSE.</p></blockquote>
<p>Use of a destination operand not aligned to 64-byte boundary (in either 64-bit or 32-bit modes) will result in a general-protection (#GP) exception. In 64-bit mode, the upper 32 bits of RDX and RAX are ignored.</p>
<p>See Section 13.6, “Processor Tracking of XSAVE-Managed State,” of <em>Intel® 64 and IA-32 Architectures Software Developer’s Manual, Volume 1</em> for discussion of the bitmap XMODIFIED and of the 