Shark rules!

 * Loop optimization for Mac OS X - should this generally be applied?

--HG--
extra : convert_revision : svn%3Ac70aab31-4412-0410-b14c-859654838e24/trunk%402600

configure.in

@@ -2361,6 +2361,9 @@ AC_HELP_STRING([--enable-render-d3d], [enable the Direct3D render driver [[defau
         CheckPTHREAD
         CheckAltivec
 
+        # Good optimization on Mac OS X, yes...
+        EXTRA_CFLAGS="$EXTRA_CFLAGS -falign-loops=16"
+
         # Need this or things might misbuild on a G3.
         EXTRA_CFLAGS="$EXTRA_CFLAGS -force_cpusubtype_ALL"