Honest question since I'm confused about terminology: Why is ARMv8 described in ... | Hacker News

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		lunarscape on Aug 15, 2012 \| parent \| context \| favorite \| on: ARM Goes 64-bit Honest question since I'm confused about terminology: Why is ARMv8 described in places as "backwards compatibility for existing 32-bit software" when some existing instructions will be removed in AArch64?

Symmetry on Aug 15, 2012 [–]

Because the ARM front end is so simple, it isn't hard to have multiple ones. One of these will be able to run existing 32-bit software.

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