Zba Extension

8 instructions in the Zba extension.

• add.uw — Add unsigned word 64
• sh1add — Shift left by 1 and add
• sh1add.uw — Shift unsigned word left by 1 and add 64
• sh2add — Shift left by 2 and add
• sh2add.uw — Shift unsigned word left by 2 and add 64
• sh3add — Shift left by 3 and add
• sh3add.uw — Shift unsigned word left by 3 and add 64
• slli.uw — Shift left unsigned word (Immediate) 64