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The original ARM is pretty wacky too. Not as wacky as x86, but not what I would call clean. Thankfully, unlike x86, ARM’s 64-bit ISA ditched the dumb parts and
by mikeash 7y ago
The original ARM is pretty wacky too. Not as wacky as x86, but not what I would call clean.
Thankfully, unlike x86, ARM’s 64-bit ISA ditched the dumb parts and is very clean.
- yjftsjthsd-h 7y agoIntel did try with Itanium, but... Well, decades of backwards compatibility, plus unfortunate design choices.
- mikeash 7y agoIt makes me sad to think of what we could have had if Intel had built a 64-bit CPU with a clean, straightforward ISA and a compatibility mode for x86-64, instead of the monstrosity that was Iranian.