On Tue, Aug 20, 2024, Keith Busch wrote: > From: Keith Busch <kbusch@xxxxxxxxxx> > > Because people would like to use this (see "Link"), interpret the VEX Please explicitly call define the use case in the changelog. Yeah, I can follow the link, but I shouldn't have to just to understand that this is the compiler generating vmovdqu for its built-in memcpy(). > prefix and emulate mov instrutions accordingly. The only avx > instructions emulated here are the aligned and unaligned mov. > Everything else will fail as before. > > This is new territory for me, so any feedback is appreciated. Heh, this is probably new territory for everyone except possibly Paolo. I don't recall the last time KVM was effectively forced to add emulation for something this gnarly.
