static int trivial_quick(rand_pool *r) { return (-1); }
-#if __GNUC__ && (CPUFAM_X86 || CPUFAM_AMD64)
-static int rdrand_quick(rand_pool *r)
-{
- unsigned long rr;
- int i = 16;
-
- __asm__ ("0: rdrand %0; jc 9f; dec %1; jnz 0b; 9:"
- : "=r" (rr), "=r" (i) : "1" (i) : "cc");
- if (!i) return (-1);
- rand_add(r, &rr, sizeof(rr), 8*sizeof(rr));
- return (0);
-}
+#if CPUFAM_X86 || CPUFAM_AMD64
+extern int rand_quick_x86ish_rdrand(rand_pool */*r*/);
#endif
static quick__functype *pick_quick(void)
{
-#if __GNUC__ && (CPUFAM_X86 || CPUFAM_AMD64)
- DISPATCH_PICK_COND(rand_quick, rdrand_quick,
+#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);
const octet *c = p;
int i, rot;
-#if RAND_POOLSZ != 128
-# error Polynomial in rand_add is out of date. Fix it.
-#endif
+ STATIC_ASSERT(RAND_POOLSZ == 128, "Polynomial doesn't match pool size");
RAND_RESOLVE(r);