Date: Fri, 2 Dec 2011 07:23:27 +0400 From: Solar Designer <solar@...nwall.com> To: john-dev@...ts.openwall.com Subject: Re: testing -xop targets On Wed, Nov 30, 2011 at 04:44:10AM +0400, Solar Designer wrote: > On Fri, Nov 11, 2011 at 08:11:44PM +0400, Solar Designer wrote: > > I am unaware of an equivalent for XOP, unfortunately. AMD's SimNow > > appears to emulate an entire system only (so is more difficult to use) > > and it appears to lack XOP support at this time anyway. > > > > http://developer.amd.com/tools/simnow/Pages/default.aspx > > New version of Bochs claims to emulate XOP (as well as AVX): > > http://bochs.svn.sourceforge.net/viewvc/bochs/tags/REL_2_5_FINAL/bochs/CHANGES > > "- Implemented support for AMD SSE4A/XOP/FMA4/TBM instruction sets" > > We need to try this out. Here's a correction: SimNow _does_ support XOP, but is reported to be slower and less usable than Bochs here: http://www.linux.org.ru/news/opensource/7069120/page1?lastmod=1322795649512#comment-7076956 (in Russian). With either SimNow or Bochs, we have to use a full OS install (unlike with Intel SDE, which can run individual userspace programs), and this OS has to have XSAVE support (e.g., a recent enough Linux distro) if our goal is testing of XOP code. Alexander
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