Such chips exist. The Itanium is one example.On 9/6/07, Tom <tom.primozic@gmail.com> wrote:However, would it be possible to "emulate" cpu registers using software? By keeping registers in the main memory, but accessing them often enough to keep them in primary cache? That would be quite fast I believe...This makes me wonder... why have registers to begin with? I wonder how feasible a chip with a, say, 256-byte "register-level" cache would be.