> Rather than just a sequence of NOP's, should the first NOP be a > unconditional branch to the beginning of the real function? I don't > know if this applies to AArch64 cpus, but I believe some cpus can handle > such branches already in the decode unit, thus avoiding any extra cycles > for skipping the NOPs.
nops are very cheap. Typically they are already discard in the frontend. It's unlikely all of this is worth it. -Andi -- a...@linux.intel.com -- Speaking for myself only
