Comment Comment by userbinator ...so it only took them over three decades to realise the power of REP MOVS/STOS? ;-)On x86, it's been there since the 8086, and can do cacheline-sized pieces at a time on the newer CPUs. This behaviour is detectable in certain edge-cases:https://repzret.org/p/rep-prefix-and-detecting-valgrind/ parent userbinator 5 years ago
On x86, it's been there since the 8086, and can do cacheline-sized pieces at a time on the newer CPUs. This behaviour is detectable in certain edge-cases:
https://repzret.org/p/rep-prefix-and-detecting-valgrind/