X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=include%2Fwimlib%2Fcompiler.h;h=c6e22e98d649d5cb42937eabdaf52472fb8af408;hb=b79d426cd90c506974f6c956a9af141b5d257d42;hp=d32d092b964dfda938aa82cd4343edb085e9e103;hpb=047d0a95f3968037834af5dff0d79c1192626025;p=wimlib

diff --git a/include/wimlib/compiler.h b/include/wimlib/compiler.h
index d32d092b..c6e22e98 100644
--- a/include/wimlib/compiler.h
+++ b/include/wimlib/compiler.h
@@ -1,3 +1,10 @@
+/*
+ * compiler.h
+ *
+ * The author dedicates this file to the public domain.
+ * You can do whatever you want with this file.
+ */
+
 #ifndef _WIMLIB_COMPILER_H
 #define _WIMLIB_COMPILER_H
 
@@ -22,6 +29,7 @@
 #	define likely(x) __builtin_expect(!!(x), 1)
 #	define unlikely(x) __builtin_expect(!!(x), 0)
 #	define inline inline __attribute__((always_inline))
+#	define prefetch(x) __builtin_prefetch(x)
 #else
 #	define WIMLIBAPI
 #	define _always_inline_attribute inline
@@ -33,6 +41,7 @@
 #	define _aligned_attribute(size)
 #	define likely(x) (x)
 #	define unlikely(x) (x)
+#	define prefetch(x)
 #endif /* __GNUC__ */
 
 #endif /* _WIMLIB_COMPILER_H */