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Added comment about dropping scalar crypto in RVA23.
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Closes #89.
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@kasanovic
kasanovic committed Apr 2, 2023
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5 changes: 4 additions & 1 deletion rva23-profile.adoc
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Expand Up @@ -152,7 +152,10 @@ Zvfbfwma, Zvkn, Zvks):
- *Zvks* Vector Crypto ShangMi Algorithms.

NOTE: The scalar crypto extensions Zkn and Zks that were options in
RVA22 are not options in RVA23.
RVA22 are not options in RVA23. The goal is for both hardware and
software vendors to move to use vector crypto, as vectors are now
mandatory and vector crypto is substantially faster than scalar
crypto.

==== RVA23U64 Recommendations

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3 comments on commit 64f08aa

@mark-riscv
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I thought that Scalar Crypto will continue to be used in embedded because they require way less logic. Did I misunderstand?

@kasanovic
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This is text in the RVA23 profile document. It does not read on any other use of the extension. Scalar crypto remains a valid extension, just not one that is an option in RVA23, or subsequent RVA profiles.

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@mark-riscv mark-riscv commented on 64f08aa Apr 4, 2023 via email

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