ARM has THREE instruction sets. (four?) aarch32, aarch64, and various incarnatio... | Hacker News

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		rerdavies 4 months ago \| parent \| context \| favorite \| on: Ask HN: Why hasn't x86 caught up with Apple M seri... ARM has THREE instruction sets. (four?) aarch32, aarch64, and various incarnations of Thumb. (A PI 5 supports all three).

fluoridation 4 months ago [–]

Okay? x86-64 has like twenty extensions. What's your point?

rerdavies 4 months ago | [–]

The point was that, with respect to the effects of implementing multiple decode stages for multiple instruction sets, ARM doesn't have an advantage over x86 in that respect.

(M1 does, because they don't implement aarch32, or thumb).

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