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

[Alexei Podtelezhnikov (@apodtele)]

Alexei Podtelezhnikov pushed to branch master at FreeType / FreeType

Commits:

• 188c7d66
  by Alexei Podtelezhnikov at 2021-11-09T22:47:26-05:00

  Additional `FT_MSB` macro definitions.
  
  Better macros for Windoes CE and ARM in general, based on !109
  from metarutaiga.
  
  * include/freetype/internal/ftcalc.h [_MSC_VER] (FT_MSB): Updated.
  

1 changed file:

• include/freetype/internal/ftcalc.h

Changes:

include/freetype/internal/ftcalc.h

---

...	...	@@ -372,9 +372,23 @@ FT_BEGIN_HEADER
372	372
373	373	#endif
374	374
375		-#elif defined( _MSC_VER ) && ( _MSC_VER >= 1400 )
	375	+#elif defined( _MSC_VER ) && _MSC_VER >= 1400
376	376
377		-#if FT_SIZEOF_INT == 4
	377	+#if defined( _WIN32_WCE )
	378	+
	379	+#include <cmnintrin.h>
	380	+#pragma intrinsic( _CountLeadingZeros )
	381	+
	382	+#define FT_MSB( x ) ( 31 - _CountLeadingZeros( x ) )
	383	+
	384	+#elif defined( _M_ARM64 ) || defined( _M_ARM )
	385	+
	386	+#include <intrin.h>
	387	+#pragma intrinsic( _CountLeadingZeros )
	388	+
	389	+#define FT_MSB( x ) ( 31 - _CountLeadingZeros( x ) )
	390	+
	391	+#elif defined( _M_IX86 ) || defined( _M_AMD64 ) || defined( _M_IA64 )
378	392
379	393	#include <intrin.h>
380	394	#pragma intrinsic( _BitScanReverse )
...	...	@@ -390,7 +404,7 @@ FT_BEGIN_HEADER
390	404	return (FT_Int32)where;
391	405	}
392	406
393		-#define FT_MSB( x ) ( FT_MSB_i386( x ) )
	407	+#define FT_MSB( x ) FT_MSB_i386( x )
394	408
395	409	#endif
396	410

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