By: j (invalid.delete@this.example.com), April 13, 2021 5:07 am
Room: Moderated Discussions
v9 (v9.delete@this.anon.com) on April 12, 2021 3:57 pm wrote:
> Jon Masters (jcm.delete@this.jonmasters.org) on March 30, 2021 11:41 am wrote:
> > https://www.arm.com/why-arm/architecture/cpu
> >
>
> Instruction Set Architecture for Armv9-A
>
> Release notes
Release notes say that
> This is the first release of the V9 architecture, including the following optional features:
> TRBE (Transaction Record Buffer Extension)
> ETE (Embedded Trace Extension)
> SVE2 (Scalable Vector Extension 2)
> TME (Transaction Memory Extension)
> BRBE (Brach Record Buffer Extension)
> RME (Realm Management Extension)
So if one makes a v9 cpu without any of those features, in what way does it differ from a v8 cpu?
> Jon Masters (jcm.delete@this.jonmasters.org) on March 30, 2021 11:41 am wrote:
> > https://www.arm.com/why-arm/architecture/cpu
> >
>
> Instruction Set Architecture for Armv9-A
>
> Release notes
Release notes say that
> This is the first release of the V9 architecture, including the following optional features:
> TRBE (Transaction Record Buffer Extension)
> ETE (Embedded Trace Extension)
> SVE2 (Scalable Vector Extension 2)
> TME (Transaction Memory Extension)
> BRBE (Brach Record Buffer Extension)
> RME (Realm Management Extension)
So if one makes a v9 cpu without any of those features, in what way does it differ from a v8 cpu?