4 ms·
Tagged pointers are an officially accepted thing in ARM -- the relevant feature is called top-byte ignore (TBI). It only applies to the upper 8 bits of a pointe
by duskwuff 6y ago
Tagged pointers are an officially accepted thing in ARM -- the relevant feature is called top-byte ignore (TBI). It only applies to the upper 8 bits of a pointer, leaving 56 bits for addressing.
- CountSessine 6y agoToday I Learned - thanks!
- saagarjha 6y agoI believe Apple leaves this off.
- lazyjones 6y ago72PB ought to be enough for anyone...