Zbkb Extension

Versions

Version 1.0.0

State

ratified

Ratification date

2021-12

Version 1.0.1

State

ratified

Ratification date

2022-02

Synopsis

This extension contains instructions essential for implementing common operations in cryptographic workloads.

Instructions

The following instructions are affected by this extension:

andn

AND with inverted operand

orn

OR with inverted operand

rev8

Byte-reverse register (RV64 encoding)

rol

Rotate left (Register)

ror

Rotate right (Register)

rori

Rotate right (Immediate)

xnor

Exclusive NOR

brev8

Reverse bits in bytes

pack

No synopsis available

packh

No synopsis available