CPUID test

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

int main()
{
    uint32_t edx;
    uint32_t ecx;
    int i;

    asm ("movl $1, %%eax\n"
         "cpuid\n"
         "movl %%edx, %0\n"
         "movl %%ecx, %1\n"
         : "=r"(edx), "=r"(ecx));

    printf ("EDX ");
    for (i=0; i<32; i++)
    {
        if (!(edx & (1<<i))) printf ("%i ", i);
    }

    printf ("\nECX ");

    for (i=0; i<32; i++)
    {
        if (!(ecx & (1<<i))) printf ("%i ", i);
    }

    printf ("\n");
    return 0;
}