On 8/19/06, <b class="gmail_sendername">Paul Brook</b> &lt;<a href="mailto:paul@codesourcery.com">paul@codesourcery.com</a>&gt; wrote:<div><span class="gmail_quote"></span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
On Saturday 19 August 2006 00:40, Igor Kovalenko wrote:<br>&gt; Hi!<br>&gt;<br>&gt; This patch adds handling of multi-byte NOPs, recent gcc/gas uses them for<br>&gt; x86 code padding.<br>&gt; Patch checked with current opensuse-factory x86 guest installation which is
<br>&gt; built with new gcc/gas tools.<br><br>According to my amd64 documentation all of the opcodes 0f 19 through 0f 1f<br>should be implemented as a NOP. Also, I suspect the &quot;invalid&quot; prefetch ops<br>(0f 18) should also be implemented as nops.
<br>The same implementation should be useable to all these opcodes.<br><br></blockquote></div><span class="sg"><br>Updated patch, extracted noop modrm processing into separate function and used it for 0f 18 case as well. I also removed reg sense from noop processing.
<br><br>--<br>
Kind Regards,<br>Igor V. Kovalenko</span>