> Hi > > I hope I email to correct mailing list... > > It seems that '/proc/cpuinfo' doesn't report 3dnow and > 3dnowext support correctly. > > Because I had been using it for recognizing processor > features I looked briefly into fhandler_proc.cc (taken > freshly from cvs) and I think I fixed the problem. The > changed file compiles and *should* correctly detect presence > of 3dnow instruction support (by using AMD's 0x8000..1 > extended function). I haven't have time to test it (= figure out how > build+install process actually works) because I decided to > write my own > cpuid detection routines from scratch instead.
Actually nearly all of the processor feature flags are wrong for AMD processors. This is a known bug. Your patch looks to be going about the right way to fix it. I'll try to add the rest of the AMD flags in. Chris -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/