li>
<li>The “MOV mem, reg” (Opcode 88H/89H) and “MOV mem, imm” (Opcode C6H/C7H) instructions. In these cases, the XRELEASE is recognized without the presence of the LOCK prefix.</li></ul>
<p>The lock variables must satisfy the guidelines described in <em>Intel® 64 and IA-32 Architectures Software Developer’s Manual, Volume 1</em>, Section 16.3.3, for elision to be successful, otherwise an HLE abort may be signaled.</p>
<p>If an encoded byte sequence that meets XACQUIRE/XRELEASE requirements inclu