li $4, 0x0 li $5, 0x8 daddu $src0, $4 daddu $src1, $4 daddu $result, $4 lb $6, 0x0($src0) lb $7, 0x0($src1) daddu $6, $6, $7 sb $6, 0x0($result) daddiu $4, 0x1 blt $4, $5, 1b nop