@veer66 @fribbledom @profoundlynerdy That as well. But the times where ax (eax, rax) are strictly the accumulator are over. We left that behind with the 8 bitters. Even in x86 this was just a name, while in 6502, registers were still restricted to certain purposes. Today RISC has won. Lots of general purpose registers. Even x86 is translated to RISC-like instructions internally by the CPU these days.
@veer66 @js @fribbledom Sort of: on the whole most Intel CPUs use CISC instructions as, well, basically macros for lower level RISC instructions for performance reasons. I'm not sure if all of this is defined at the microcode level or not, I'm sure some of it must be.
So, CISCS persists but RISC is the real winner here.
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