CHERI and Pointer Masking

[tariqkurd-repo]

This a placeholder to note that the pointer masking extensions (which are mandatory in RVA23) Smmjpm, Smnjpm and Ssnjpm, need to be analysed in the presence of CHERI.

https://github.com/riscv/riscv-j-extension/

[jrtc27]

Has it even been frozen? Last I heard it was still in draft status.

[tariqkurd-repo]

https://wiki.riscv.org/display/HOME/Specification+Status

it's currently listed as stable. I've listed at here as it's mandatory for RVA23 as mentioned here https://github.com/riscv/riscv-profiles/blob/main/rva23-profile.adoc

[jrtc27]

https://github.com/riscv/riscv-j-extension/blob/75e6aa4a971ac004996c6e2e5ea570111e63a1ab/pointer-masking-proposal.adoc?plain=1#L5 very much disagrees with that...

[jrtc27]

As does https://github.com/riscv/riscv-j-extension/blob/75e6aa4a971ac004996c6e2e5ea570111e63a1ab/zjpm/header.adoc?plain=1#L7