any other opcodes similar to Lock-prefix?

Discussion created by OldBoy2k on Mar 26, 2009
Latest reply on Apr 3, 2009 by ibenia


some SSE2 opcodes work on non-SSE2 motherboards a.i.Athlon XP with effect that the prefix gets ignored and the instruction carried out as a MMX instruction.Since Lock-prefix doesn't work,are there any other similar opcodes like Lock-prefix?