Tony, I'm sure I missed that point about brl. I probably just assumed it would have the same behavior as regular branches. Thanks for catching that. --david On 4/27/07, Luck, Tony <tony.luck@intel.com> wrote: > > As I remember it, a taken branch acts as a stop whereas a non-taken > > branch doesn't (so if no explicit stop bit is following a branch, then > > it must be OK for the entire group to be executed in parallel). I > > suppose it's possible the definition changed or that my (admittedly > > bad) memory is playing tricks on me. ;-) > > The SDM page for "brl" doesn't look to have any get-out-of stop-bits-free > option. It says: > > "This instruction must be immediately followed by a stop; otherwise > its behaviour is undefined." > > -Tony > -- Mosberger Consulting LLC, http://www.mosberger-consulting.com/ - To unsubscribe from this list: send the line "unsubscribe linux-ia64" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.htmlReceived on Sat Apr 28 11:23:43 2007
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