Intel proposes x86S, a 64-bit CPU microarchitecture that does away with legacy 16-bit and 32-bit support

Intel proposes ditching 32-bit support with new x86-S architecture

Intel x86-S could bring a major 64-bit only revision to its chip architecture - News

Why does Intel explore transition to 64-bit-only x86S architecture? - Quora

Intel proposes dropping 16 and 32-bit support : r/hardware

Intel x86-S, the new Intel architecture with which it plans to end 16 and 32 bits and go directly to 64 bits

x86-64 - Wikipedia

If you are an x86 CPU expert, what are your thoughts on Intel Advanced Performance Extensions, as I have previously asked about Intel's proposed x86s? - Quora

x86-64 - Wikipedia

Intel proposes x86S, a 64-bit CPU microarchitecture that does away with legacy 16-bit and 32-bit support

Classic.Ars: An Introduction to 64-bit Computing and x86-64

x86 - Wikipedia

Intel Exploring x86S Architecture, Envisions an Unadulterated 64-bit Future

Intel® 64 and IA-32 Architectures Optimization Reference Manual