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[freetype2] master 311764f: Additional `FT_MSB` macro definitions.
From: |
Werner Lemberg |
Subject: |
[freetype2] master 311764f: Additional `FT_MSB` macro definitions. |
Date: |
Fri, 1 Oct 2021 11:53:25 -0400 (EDT) |
branch: master
commit 311764fabbd9a1e2bcd2cf6a2f557cb3ff4e832b
Author: Alexei Podtelezhnikov <apodtele@gmail.com>
Commit: Alexei Podtelezhnikov <apodtele@gmail.com>
Additional `FT_MSB` macro definitions.
* include/freetype/internal/ftcalc.h [__DECC,_CRAYC]: Use builtins
and intrinsics.
---
include/freetype/internal/ftcalc.h | 17 ++++++++++++++---
1 file changed, 14 insertions(+), 3 deletions(-)
diff --git a/include/freetype/internal/ftcalc.h
b/include/freetype/internal/ftcalc.h
index f249307..a0f6890 100644
--- a/include/freetype/internal/ftcalc.h
+++ b/include/freetype/internal/ftcalc.h
@@ -370,8 +370,7 @@ FT_BEGIN_HEADER
#define FT_MSB( x ) ( 31 - __builtin_clzl( x ) )
-#endif /* __GNUC__ */
-
+#endif
#elif defined( _MSC_VER ) && ( _MSC_VER >= 1400 )
@@ -395,11 +394,23 @@ FT_BEGIN_HEADER
#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
FT_BASE( FT_Int )
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