Re: [PATCH 0/3] arm64: Open code .arch_extension

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On Wed, Mar 25, 2020 at 02:26:49PM +0100, Ard Biesheuvel wrote:

> I think using macros wrapping .inst directives is the most hassle free
> way to achieve this, assuming there is no need to encode registers or
> immediates (which makes it slightly messy - refer to
> arch/arm64/crypto/sm3-ce-core.S for an example)

There isn't - you just have to encode the four target classes, of which
we only use one.

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