Revision: 44245
http://brlcad.svn.sourceforge.net/brlcad/?rev=44245&view=rev
Author: brlcad
Date: 2011-04-07 01:17:00 +0000 (Thu, 07 Apr 2011)
Log Message:
-----------
add __BU_ATTR_ALWAYS_INLINE with a protection for gcc 3.4 and earlier where the
always_inline attribute wasn't yet fully implemented (reportedly still works
for some optimization options)
Modified Paths:
--------------
brlcad/trunk/include/bu.h
brlcad/trunk/include/common.h
Modified: brlcad/trunk/include/bu.h
===================================================================
--- brlcad/trunk/include/bu.h 2011-04-06 21:48:56 UTC (rev 44244)
+++ brlcad/trunk/include/bu.h 2011-04-07 01:17:00 UTC (rev 44245)
@@ -152,6 +152,11 @@
#define __BU_ATTR_NORETURN __attribute__ ((__noreturn__))
/**
+ * shorthand declaration of a function that should always be inline
+ */
+#define __BU_ATTR_ALWAYS_INLINE __attribute__ ((always_inline))
+
+/**
* If we're compiling strict, turn off "format string vs arguments"
* checks - BRL-CAD customizes the arguments to some of these
* function types (adding bu_vls support) and that is a problem with
Modified: brlcad/trunk/include/common.h
===================================================================
--- brlcad/trunk/include/common.h 2011-04-06 21:48:56 UTC (rev 44244)
+++ brlcad/trunk/include/common.h 2011-04-07 01:17:00 UTC (rev 44245)
@@ -187,6 +187,13 @@
# endif
#endif
+/* gcc 3.4 doesn't seem to support always_inline with -O0 (yet -Os
+ * reportedly works), so turn it off.
+ */
+#if !GCC_PREREQ(3, 5)
+# define always_inline noinline
+#endif
+
/**
* UNUSED provides a common mechanism for declaring unused parameters.
* Use it like this:
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