[Info-vax] 64-bit (was Re: New CEO of VMS Software)

[Lawrence D'Oliveiro]

On Tue, 9 Jan 2024 18:33:13 -0500, Dave Froble wrote:

> I seriously doubt that any [noddy] users would take advantage of a
> conversion to 64 bit addresses.  So why bother?

In the x86-32/x86-64 situation in particular, the 32-bit architecture is 
known for being register-poor. This is alleviated somewhat in the 64-bit 
extensions. This means a compiler can generate more efficient code using 
the 64-bit instructions.