David Kanter (dkanter.delete@this.realworldtech.com) on August 14, 2012 12:04 am wrote:
> The new ARMv8 architecture is classically British; a clean and elegant 64-bit
> instruction set, with compatibility for 32-bit software. The 64-bit mode
> eliminates many complicated and awkward features and will foster a larger and
> more diverse ARM ecosystem with new licensees and applications.
>
> This article
> is a deep dive into ARMv8 and the two instruction sets, AArch32 and
> AArch64.
>
> http://www.realworldtech.com/arm64/
>
> As always, comments and
> feedback are welcome.

Thank you for the article.

Do you know if implementations are going to execute 32 bit ARMv7 code at full speed? In that case, won't predication shifting and addressing etc still complicate execution? What's the plan there?