Zvbb Extension

16 instructions and 0 pseudo-instructions in the Zvbb extension.

• vandn.vv - Vector AND-NOT
• vandn.vx - Vector AND-NOT with scalar
• vbrev.v - Vector bit reverse
• vbrev8.v - Vector byte reverse within elements
• vclz.v - Vector count leading zeros
• vcpop.v - Vector population count
• vctz.v - Vector count trailing zeros
• vrev8.v - Vector byte reverse
• vrol.vv - Vector rotate left by vector
• vrol.vx - Vector rotate left by scalar
• vror.vi - Vector rotate right by immediate
• vror.vv - Vector rotate right by vector
• vror.vx - Vector rotate right by scalar
• vwsll.vi - Vector widening shift left logical by immediate
• vwsll.vv - Vector widening shift left logical by vector
• vwsll.vx - Vector widening shift left logical by scalar