This is a revision of the slides we used for a lightning talk at BSidesLjubljana 2017.
This describes a maybe-sometimes-useful obscure programming technique
for modern x86-64 CPUs focusing on those built on Intel's Haswell
microarchitecture (and probably applying to Broadwell and Skylake
equally well).
http://www.openwall.com/presentations/BSidesLjubljana2017-Haswell-Metaprogramming/