1 libdis_test: 66 f3 0f b8 d8 popcntw %ax,%bx 2 libdis_test+0x5: 66 f3 0f b8 18 popcntw (%rax),%bx 3 libdis_test+0xa: f3 0f b8 d8 popcntl %eax,%ebx 4 libdis_test+0xe: f3 0f b8 18 popcntl (%rax),%ebx 5 libdis_test+0x12: f3 48 0f b8 d8 popcntq %rax,%rbx 6 libdis_test+0x17: f3 48 0f b8 18 popcntq (%rax),%rbx 7