#define weak_alias(name) __attribute__((weak, alias(name)))
#define weak __attribute__((weak))
#define noret __attribute__((noreturn))
+#define optimize(opt) __attribute__((optimize(opt)))
+
+#define prefetch_rd(ptr, ll) __builtin_prefetch((ptr), 0, ll)
+#define prefetch_wr(ptr, ll) __builtin_prefetch((ptr), 1, ll)
+
+#define stringify(v) #v
+#define stringify__(v) stringify(v)
+
+inline static void noret
+spin()
+{
+ volatile int __infloop = 1;
+ while (__infloop)
+ ;
+ __builtin_unreachable();
+}
+
#endif /* __LUNAIX_COMPILER_H */