B - RISC-V instruction reference

bBranch Pseudo-instruction
Branches unconditionally to label.
RISC-V manual: jal 
Forms  b   
Operands label A named address in the program, such as the start of a loop or a variable in .data. 
 # b transfers to done; the skipped instruction would add 100 to t2.
.text
li t2, 0
b done
addi t2, t2, 100
done:
addi t2, t2, 1
# t2=1 confirms the named transfer reached done.