Richard Henderson <r...@redhat.com> writes:
> But why don't we just change the default 64-bit target to have this enabled?
> I somehow doubt that there are many people that have those very first
> machines that didn't have this feature...
I just saw that we still have them in large numbers:
$ > isainfo -v
64-bit amd64 applications
sse2 sse fxsr amd_3dnowx amd_3dnow amd_mmx mmx cmov amd_sysc cx8 tsc
fpu
32-bit i386 applications
ahf sse2 sse fxsr amd_3dnowx amd_3dnow amd_mmx mmx cmov amd_sysc cx8
tsc fpu
$ psrinfo -pv
The physical processor has 1 virtual processor (0)
x86 (AuthenticAMD F5A family 15 model 5 step 10 clock 2391 MHz)
AMD Opteron(tm) Processor 250 [ Socket: 940 ]
The physical processor has 1 virtual processor (1)
x86 (AuthenticAMD F5A family 15 model 5 step 10 clock 2391 MHz)
AMD Opteron(tm) Processor 250 [ Socket: 940 ]
These are Sun Fire V60z machines, admittedly not current, but probably
still in widespread use.
Rainer
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Rainer Orth, Center for Biotechnology, Bielefeld University
