qemu andn test

#include <stdio.h>
#include <stdint.h>

int main(void) {
    uint32_t ret = 0;
    uint32_t arg1 = 0xFF00;
    uint32_t arg2 = 0x0F0F;
    __asm ("andn %1,%2,%0"
      : "=r" (ret)
      : "r" (arg1)
      , "r" (arg2)
      : "cc");
    printf("%08X\n", ret);
    return 0;
}