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Additional `FT_MSB` macro definitions.

* include/freetype/internal/ftcalc.h [__DECC,_CRAYC]: Use builtins
and intrinsics.

git/fs: mount .git/fs: mount/attach disallowed

--- a/include/freetype/internal/ftcalc.h

+++ b/include/freetype/internal/ftcalc.h

@@ -370,9 +370,8 @@

 #define FT_MSB( x )  ( 31 - __builtin_clzl( x ) )

-#endif /* __GNUC__ */

+#endif

-

 #elif defined( _MSC_VER ) && ( _MSC_VER >= 1400 )

 #if FT_SIZEOF_INT == 4

@@ -395,10 +394,22 @@

 #endif

-#endif /* _MSC_VER */

+#elif defined( __DECC ) || defined( __DECCXX )

+#include <builtins.h>

+#define FT_MSB( x )  (FT_Int)( 63 - _leadz( x ) )

+

+#elif defined( _CRAYC )

+

+#include <intrinsics.h>

+

+#define FT_MSB( x )  (FT_Int)( 31 - _leadz32( x ) )

+

+#endif /* FT_MSB macro definitions */

+

 #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */

+

 #ifndef FT_MSB