diff options
Diffstat (limited to 'include/freetype/config/ftconfig.h')
| -rw-r--r-- | include/freetype/config/ftconfig.h | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/include/freetype/config/ftconfig.h b/include/freetype/config/ftconfig.h index 3c0b8b1..43d587e 100644 --- a/include/freetype/config/ftconfig.h +++ b/include/freetype/config/ftconfig.h @@ -4,7 +4,7 @@ /* */ /* ANSI-specific configuration file (specification only). */ /* */ -/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008 by */ +/* Copyright 1996-2001, 2002, 2003, 2004, 2006, 2007, 2008, 2010 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -35,7 +35,6 @@ /* */ /*************************************************************************/ - #ifndef __FTCONFIG_H__ #define __FTCONFIG_H__ @@ -306,9 +305,38 @@ FT_BEGIN_HEADER /* Provide assembler fragments for performance-critical functions. */ /* These must be defined `static __inline__' with GCC. */ +#if defined( __CC_ARM ) || defined( __ARMCC__ ) /* RVCT */ +#define FT_MULFIX_ASSEMBLER FT_MulFix_arm + + /* documentation is in freetype.h */ + + static __inline FT_Int32 + FT_MulFix_arm( FT_Int32 a, + FT_Int32 b ) + { + register FT_Int32 t, t2; + + + __asm + { + smull t2, t, b, a /* (lo=t2,hi=t) = a*b */ + mov a, t, asr #31 /* a = (hi >> 31) */ + add a, a, #0x8000 /* a += 0x8000 */ + adds t2, t2, a /* t2 += a */ + adc t, t, #0 /* t += carry */ + mov a, t2, lsr #16 /* a = t2 >> 16 */ + orr a, a, t, lsl #16 /* a |= t << 16 */ + } + return a; + } + +#endif /* __CC_ARM || __ARMCC__ */ + + #ifdef __GNUC__ -#if defined( __arm__ ) && !defined( __thumb__ ) +#if defined( __arm__ ) && !defined( __thumb__ ) && \ + !( defined( __CC_ARM ) || defined( __ARMCC__ ) ) #define FT_MULFIX_ASSEMBLER FT_MulFix_arm /* documentation is in freetype.h */ @@ -333,7 +361,7 @@ FT_BEGIN_HEADER return a; } -#endif /* __arm__ && !__thumb__ */ +#endif /* __arm__ && !__thumb__ && !( __CC_ARM || __ARMCC__ ) */ #if defined( i386 ) #define FT_MULFIX_ASSEMBLER FT_MulFix_i386 |