REMU: RISC-V instruction reference

remuRemainder unsigned 
Sets the first register to the remainder of the second divided by the third, as unsigned integers.
RISC-V manual: remu 
Used in Arithmetic, logic and bitsRISC-V assembly
Flappy ASMRISC-V assembly
 
Forms  remu , ,   
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, 18
li t1, 5
# t0=18, t1=5; remu writes 3 to t2.
remu t2, t0, t1