X-Git-Url: https://scm.lunaixsky.com/lunaix-os.git/blobdiff_plain/8c06c883e7b13c115d5ff207f79d4b68fccd5ad6..59ecf21e36b2332f6adf2a568ef555283d8c119a:/lunaix-os/includes/lunaix/compiler.h

diff --git a/lunaix-os/includes/lunaix/compiler.h b/lunaix-os/includes/lunaix/compiler.h
index 314afd9..137d288 100644
--- a/lunaix-os/includes/lunaix/compiler.h
+++ b/lunaix-os/includes/lunaix/compiler.h
@@ -7,8 +7,21 @@
 #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 */