4 ms·
Just like the 48-bit addressing mode of the x86-64 chips most people reading this are using along with the storage of useful information in bits 48-64 (JS engin
by apaprocki 10y ago
Just like the 48-bit addressing mode of the x86-64 chips most people reading this are using along with the storage of useful information in bits 48-64 (JS engines!).
- qb45 10y agoIf they store something there they have to mask it out before dereferencing the pointer. x86-64 doesn't ignore the topmost bits, if you set them wrong the CPU will throw an exception.