Count set bits (32 bit) : Set t1 to the number of 1 bits in the low 32 bits of t2 (64bit)
cpopw
Operands
reg, regVariants
- Count set bits (32 bit) : Set t1 to the number of 1 bits in the low 32 bits of t2 (64bit) cpopw t1,t2
This example runs on RV64.
.text
li t0, 13
# t0=13; cpopw writes 3 to t2.
cpopw t2, t0