8000 clarification: if any of (Zbkb, Zbkc, Zbkx) are enabled, is Bitmanip (Zba+Zbb+Zbc+Zbs) required? · Issue #376 · riscv/riscv-crypto · GitHub

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clarification: if any of (Zbkb, Zbkc, Zbkx) are enabled, is Bitmanip (Zba+Zbb+Zbc+Zbs) required? #376

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aamartin0000 opened this issue Dec 5, 2023 · 0 comments

aamartin0000 commented

title says it all...

Zbkb overlaps Zbb, but has some unique instructions
Zbkc is identical to Zbc
Zbkx includes instructions that are in the unratified Zbp

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