On Fri, Feb 09, 2018 at 05:43:55PM +0000, Andy Lutomirski wrote: > The 64-bit code mostly uses a bunch of push instructions for this.
I had it implemented with tons of push instructions first, but that doesn't work in cases where the stack switch needs to happen only after everything is copied over. So I switched to 'rep movsb', which in my eyes also makes the code easier to understand. Joerg