> I am not running 64-bit. Likewise with my 13.37 virtual machine. :(
Actually you have at least one x86_64 compatible machine: the HTPC you
describe in http://humanreadable.nfshost.com/journal/2009/2009-014.htm
You don't even have to install a new system to make tests on
Slackware64, you can just
-boot with a 64-bit kernel (you can install directly the Slackware64
kernel packages with installpkg; some Phoronix benchmarks interestingly
report much improved performance using the 64-bit kernel rather than the
32-bit one, with Ubuntu kernels and the same 32-bit Ubuntu userland)
-install a Slackware64 chroot:
http://slackworld.berlios.de/2007/chroot_howto.html explains how to set
up a Slackware chroot without doing a regular install.
The combination of 64-bit kernel/32-bit main system/64-bit chroot
system is the one I am currently using, so I can confirm it works :)