AND - RISC-V instruction reference

andBitwise AND 
Sets t1 to the bitwise AND of t2 and t3.
RISC-V manual: and 
Used in Arithmetic, logic and bitsRISC-V assembly
 
Forms  and , ,   
Operands t1 Any integer register, x0 to x31, or its named alias, such as zero, t0 or t6. 
t2 An integer register. It may be the same register as t1. 
t3 An integer register. It may be the same register as t1. 
 .text
li t0, 13
li t1, 5
# t0=13, t1=5; and writes 5 to t2.
and t2, t0, t1