patch-2.4.5 linux/include/asm-alpha/compiler.h

• Lines: 14
• Date: Sun May 20 12:11:39 2001
• Orig file: v2.4.4/linux/include/asm-alpha/compiler.h
• Orig date: Sun Apr 22 19:10:53 2001

diff -u --recursive --new-file v2.4.4/linux/include/asm-alpha/compiler.h linux/include/asm-alpha/compiler.h
@@ -72,4 +72,13 @@
   __asm__("stw %1,%0" : "=m"(mem) : "r"(val))
 #endif
 
+/* Somewhere in the middle of the GCC 2.96 development cycle, we implemented
+   a mechanism by which the user can annotate likely branch directions and
+   expect the blocks to be reordered appropriately.  Define __builtin_expect
+   to nothing for earlier compilers.  */
+
+#if __GNUC__ == 2 && __GNUC_MINOR__ < 96
+#define __builtin_expect(x, expected_value) (x)
+#endif
+
 #endif /* __ALPHA_COMPILER_H */