X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/b91be0033265b5b6bd716bd39cb0971da41906c4..64e5fa9a495e388c922157b9a616204c299f5e05:/lunaix-os/includes/lunaix/compiler.h

diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h
index da376c1..3ee6fa0 100644
--- a/lunaix-os/includes/lunaix/compiler.h
+++ b/lunaix-os/includes/lunaix/compiler.h
@@ -2,7 +2,35 @@
 #define __LUNAIX_COMPILER_H
 
 #define likely(x) __builtin_expect((x), 1)
+#define unlikely(x) __builtin_expect((x), 0)
 
 #define weak_alias(name) __attribute__((weak, alias(name)))
+#define weak __attribute__((weak))
+#define noret __attribute__((noreturn))
+#define optimize(opt) __attribute__((optimize(opt)))
+#define must_inline __attribute__((always_inline))
+
+#define clz(bits) __builtin_clz(bits)
+#define sadd_overflow(a, b, of) __builtin_sadd_overflow(a, b, of)
+#define umul_overflow(a, b, of) __builtin_umul_overflow(a, b, of)
+#define offsetof(f, m) __builtin_offsetof(f, m)
+
+#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)
+
+#define compact __attribute__((packed))
+#define align(v) __attribute__((aligned (v)))
+
+inline static void noret
+spin()
+{
+    volatile int __infloop = 1;
+    while (__infloop)
+        ;
+    __builtin_unreachable();
+}
 
 #endif /* __LUNAIX_COMPILER_H */