The original amd64 came out in 2003. Any patents on the original instruction set have long expired, and even more so for 32-bit x86.
Its not about patents. Believe what you want but there is a reason nobody else is doing x86 or ARM chips unless they are allowed by the owner.
Its not about patents. Believe what you want but there is a reason nobody else is doing x86 or ARM chips unless they are allowed by the owner.