[Git][freetype/freetype][master] Additional `FT_MSB` macro definitions.

[Alexei Podtelezhnikov (@apodtele)]

Alexei Podtelezhnikov pushed to branch master at FreeType / FreeType

Commits:

• 311764fa
  by Alexei Podtelezhnikov at 2021-10-01T11:50:12-04:00

  Additional `FT_MSB` macro definitions.
  
  * include/freetype/internal/ftcalc.h [__DECC,_CRAYC]: Use builtins
  and intrinsics.
  

1 changed file:

• include/freetype/internal/ftcalc.h

Changes:

include/freetype/internal/ftcalc.h

---

...	...	@@ -370,8 +370,7 @@ FT_BEGIN_HEADER
370	370
371	371	#define FT_MSB( x ) ( 31 - __builtin_clzl( x ) )
372	372
373		-#endif /* __GNUC__ */
374		-
	373	+#endif
375	374
376	375	#elif defined( _MSC_VER ) && ( _MSC_VER >= 1400 )
377	376
...	...	@@ -395,11 +394,23 @@ FT_BEGIN_HEADER
395	394
396	395	#endif
397	396
398		-#endif /* _MSC_VER */
	397	+#elif defined( __DECC ) || defined( __DECCXX )
	398	+
	399	+#include <builtins.h>
399	400
	401	+#define FT_MSB( x ) (FT_Int)( 63 - _leadz( x ) )
	402	+
	403	+#elif defined( _CRAYC )
	404	+
	405	+#include <intrinsics.h>
	406	+
	407	+#define FT_MSB( x ) (FT_Int)( 31 - _leadz32( x ) )
	408	+
	409	+#endif /* FT_MSB macro definitions */
400	410
401	411	#endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */
402	412
	413	+
403	414	#ifndef FT_MSB
404	415
405	416	FT_BASE( FT_Int )

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