I have never seen anyone refer to x86 as a synonym for the 64-bit ISA. In the Linux world, it's amd64, in the Windows world it's x64/64-bit, and sometimes in bo

I have never seen anyone refer to x86 as a synonym for the 64-bit ISA. In the Linux world, it's amd64, in the Windows world it's x64/64-bit, and sometimes in both of those worlds, x86_86. I don't think this loss of distinction is occurring at all.