static int trivial_quick(rand_pool *r) { return (-1); }
+#if CPUFAM_X86 || CPUFAM_AMD64
+extern int rand_quick_x86ish_rdrand(rand_pool */*r*/);
+#endif
+
static quick__functype *pick_quick(void)
{
+#if CPUFAM_X86 || CPUFAM_AMD64
+ DISPATCH_PICK_COND(rand_quick, rand_quick_x86ish_rdrand,
+ cpu_feature_p(CPUFEAT_X86_RDRAND));
+#endif
DISPATCH_PICK_FALLBACK(rand_quick, trivial_quick);
}