enh · November 2, 2019 05:02
diff --git a/rdrand.c b/rdrand.c
 // cc -mrdrnd rdrand.c -o rdrand && ./rdrand | head

 #include <stdio.h>

 void main() {
  while (1) {
    unsigned long long v;
    int i = __builtin_ia32_rdrand64_step(&v);
    printf("%d %#8llx\n", i, v);
  }
 }
	// cc -mrdrnd rdrand.c -o rdrand && ./rdrand \| head

	#include <stdio.h>

	void main() {
	while (1) {
	unsigned long long v;
	int i = __builtin_ia32_rdrand64_step(&v);
	printf("%d %#8llx\n", i, v);
	}
	}