On Fri, 27 Jul 2012, Matthew Ogilvie wrote: > Microport UNIX System V/386 v 2.1 (ca 1987) uses mod R/M bytes for > the control register mov instructions where the mod bits are 0, > even though the 80386 spec claims they are "always" 1's. The fact > that it ran at all clearly indicates the real chips (at least 386 > and 486) just ignores the bits and assumes they are 1's, rather > than trigger an illegal instruction if they aren't. >
AMD's document is explicit about it: This instruction is always treated as a register-to-register (MOD = 11) instruction, regardless of the encoding of the MOD field in the MODR/M byte. 24594.pdf page 316 So i belive this patch should just be applied, thanks. [..snip..] -- mailto:av1...@comtv.ru
