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It’s more likely they’re confusing it with 3DNow! (AMD’s own media extension focused on floating point math). That was strictly aliased and therefore an either/
by deaddodo 2mo ago
It’s more likely they’re confusing it with 3DNow! (AMD’s own media extension focused on floating point math). That was strictly aliased and therefore an either/or situation on chips that had both.
- 45t345tg35 2mo agoSure, 3DNow! operated on MMX registers. But the OP was talking about Intel's P3... so 3DNow! wasn't a factor...
- deaddodo 2mo agoI think we’re agreeing. I think they’re mixing up the 3DNow introduction with the SSE one and conflating them into one. SSE never had aliasing, so OP’s comment is strictly incorrect either way.