X-Git-Url: https://wimlib.net/git/?a=blobdiff_plain;f=include%2Fwimlib%2Fcompiler.h;h=222f889bb7c308a7c37fe93e0bdc6e9b92ecaec3;hb=5ba1093ddc24f41f2f4179aeb8e2c8e86401af8c;hp=a1f513f5da76cb7632a59e10a749bb665fc2b72d;hpb=0ecb0529b5fcacc1abafa1f3f02a40c44783ada8;p=wimlib

diff --git a/include/wimlib/compiler.h b/include/wimlib/compiler.h
index a1f513f5..222f889b 100644
--- a/include/wimlib/compiler.h
+++ b/include/wimlib/compiler.h
@@ -38,8 +38,14 @@
 #  define unlikely(expr)	(expr)
 #endif
 
-#ifndef prefetch
-#  define prefetch(addr)
+/* prefetchr() - prefetch into L1 cache for read  */
+#ifndef prefetchr
+#  define prefetchr(addr)
+#endif
+
+/* prefetchw() - prefetch into L1 cache for write  */
+#ifndef prefetchw
+#  define prefetchw(addr)
 #endif
 
 #ifndef _cold_attribute
@@ -54,8 +60,17 @@
 #  define _format_attribute(type, format_str, format_start)
 #endif
 
+#ifndef noinline
+#  define noinline
+#endif
+
+/* Same as 'noinline', but 'noinline_for_stack' documents that 'noinline' is
+ * being used to prevent the annotated function from being inlined into a
+ * recursive function and increasing its stack usage.  */
+#define noinline_for_stack	noinline
+
 #ifndef CPU_IS_BIG_ENDIAN
-#  error "missing required definition of CPU_IS_BIG_ENDIAN"
+#  error "missing required endianness definition"
 #endif
 
 #define CPU_IS_LITTLE_ENDIAN (!CPU_IS_BIG_ENDIAN)
@@ -84,8 +99,16 @@
 #  define _force_attr
 #endif
 
-#ifndef BUILD_BUG_ON
-#  define BUILD_BUG_ON(expr)	((void)sizeof(char[1 - 2*!!(expr)]))
+/* STATIC_ASSERT() - verify the truth of an expression at compilation time.  */
+#if __STDC_VERSION__ >= 201112L
+#  define STATIC_ASSERT(expr)	_Static_assert((expr), "")
+#else
+#  define STATIC_ASSERT(expr)	((void)sizeof(char[1 - 2 * !(expr)]))
 #endif
 
+#define CONCAT_IMPL(s1, s2)	s1##s2
+
+/* CONCAT() - concatenate two tokens at preprocessing time.  */
+#define CONCAT(s1, s2)		CONCAT_IMPL(s1, s2)
+
 #endif /* _WIMLIB_COMPILER_H */