__builtin_expect usage

[Momchil Velikov]

Hi,

The `__builtin_expect' function in not present in gcc <= 2.95.3.

Regards,
-velco

2001-03-04  Momchil Velikov  <velco@fadata.bg>

	* sidconfig.h (LIKELY, UNLIKELY): Do not try to use
	`__builtin_expect' in versions of gcc less than 3.


--- sidconfig.h~	Thu Mar  1 22:48:37 2001
+++ sidconfig.h	Sun Mar  4 15:20:28 2001
@@ -13,7 +13,7 @@
 
 // Globally useful macros
 
-#ifdef __GNUC__
+#if defined (__GNUC__) && __GNUC__ > 2
 #define LIKELY(expression) (__builtin_expect(!!(expression), 1))
 #define UNLIKELY(expression) (__builtin_expect(!!(expression), 0))
 #else