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64-bit registers can be very useful for bit twiddling code (for instance my home computer emulators depend on 64-bit integers for efficiently manipulating and p
by flohofwoe 3y ago
64-bit registers can be very useful for bit twiddling code (for instance my home computer emulators depend on 64-bit integers for efficiently manipulating and passing chip in/out pins around). 64-bit pointers on the other hand are overkill, but so are 32-bit pointers for most applications ;)
- jqpabc123 3y agobut so are 32-bit pointers for most applications The address space of 16 bit pointers is only 64KB so I can understand 32 bit for pointers as well as math use in some cases. But the need to exceed a 4 GB/32bit address space for "embedded" is extremely rare at this time..