[pisa-src] r1680 - trunk/libpisa/global.h
- From: Mircea Gherzan <mircea.gherzan@xxxxxxxxxxxxxx>
- To: pisa-src@xxxxxxxxxxxxx
- Date: Thu, 12 Nov 2009 19:17:36 +0100
Author: gherzan
Date: Thu Nov 12 19:17:36 2009
New Revision: 1680
Log:
libpisa: add PISA_FORCE_INLINE and use it
It relies on the always_inline attribute, a GCC specific one.
Used it in _is_hit because the instruction footprint is small
and it might be performance-critical routine.
Modified:
trunk/libpisa/global.h
Modified: trunk/libpisa/global.h
==============================================================================
--- trunk/libpisa/global.h Thu Nov 12 19:07:35 2009 (r1679)
+++ trunk/libpisa/global.h Thu Nov 12 19:17:36 2009 (r1680)
@@ -130,6 +130,25 @@
#endif
/**
+ * Force the inlining of a function. There are 2 consequences:
+ * 1. inlining even at zero optimization level
+ * 2. make the compiler stop spitting warnings related to code size
+ * when you're sure that NOT inlining a function would bring some
+ * important performance penalty.
+ *
+ * Please USE WITH CAUTION and provide a good reason when doing so
+ * (in comments/commit logs). Whenever in doubt about using this, just
+ * go back to using "inline".
+ */
+#if defined(__GNUC__) && (__GNUC__ >= 4)
+# define PISA_FORCE_INLINE inline __attribute__((always_inline))
+#else
+# define PISA_FORCE_INLINE inline
+#endif
+
+
+
+/**
* Default port number of client daemon
*/
#define PISACD_DEFAULT_PORTNUM_CONTROL 5001
@@ -263,7 +282,7 @@
#define HIT_MASK_INV 0xfffffff0
#define HIT_PREFIX 0x20010010
-static inline int pisa_ipv6_addr_is_hit(const struct in6_addr *hit)
+static PISA_FORCE_INLINE int pisa_ipv6_addr_is_hit(const struct in6_addr *hit)
{
uint32_t begin;
Other related posts:
- » [pisa-src] r1680 - trunk/libpisa/global.h - Mircea Gherzan
