Zbb Extension
- Implemented Version
-
1.0.0
Instructions
The following instructions are added by this extension in the example_rv64_with_overlay configuration:
AND with inverted operand |
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OR with inverted operand |
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Byte-reverse register (RV64 encoding) |
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Rotate left (Register) |
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Rotate left word (Register) |
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Rotate right (Register) |
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Rotate right (Immediate) |
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Rotate right word (Immediate) |
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Rotate right word (Register) |
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Exclusive NOR |
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Count leading zero bits |
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Count leading zero bits in word |
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Count set bits |
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Count set bits in word |
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Count trailing zero bits |
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Count trailing zero bits in word |
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Maximum |
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Unsigned maximum |
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Minimum |
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Unsigned minimum |
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Bitware OR-combine, byte granule |
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Sign-extend byte |
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Sign-extend halfword |