RE: [Linux-ia64] New rev 2.1 SDM for Itanium published

David Mosberger
2002-11-22T18:27:26Z

>>>>> On Fri, 22 Nov 2002 10:08:39 -0800, "Jim Hull" <jim_hull@hp.com> said:

>> If so, should this be noted somewhere so that naive
>> people who read the manuals don't assume that it's implemented?

Jim> There is a new "ao" bit in CPUID[4], which as described on p. 1:32, will
Jim> be 1 only if the new larger atomic ops are implemented. Do you think
Jim> this is insufficient?

The ao bit seems to have gotten lost in the final version of SDM2.1.
It's mentioned (indirectly) in the Document Revision history, but in
the CPUID[4] description, only "branchlong" and "spontaneous deferral"
show up.

--david