diff options
Diffstat (limited to 'include/freetype/config/ftconfig.h')
| -rw-r--r-- | include/freetype/config/ftconfig.h | 60 |
1 files changed, 51 insertions, 9 deletions
diff --git a/include/freetype/config/ftconfig.h b/include/freetype/config/ftconfig.h index cbe30f2..b304896 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, 2010 by */ +/* Copyright 1996-2004, 2006-2008, 2010-2011 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -127,7 +127,12 @@ FT_BEGIN_HEADER #if ( defined( __APPLE__ ) && !defined( DARWIN_NO_CARBON ) ) || \ ( defined( __MWERKS__ ) && defined( macintosh ) ) /* no Carbon frameworks for 64bit 10.4.x */ + /* AvailabilityMacros.h is available since Mac OS X 10.2, */ + /* so guess the system version by maximum errno before inclusion */ +#include <errno.h> +#ifdef ECANCELED /* defined since 10.2 */ #include "AvailabilityMacros.h" +#endif #if defined( __LP64__ ) && \ ( MAC_OS_X_VERSION_MIN_REQUIRED <= MAC_OS_X_VERSION_10_4 ) #define DARWIN_NO_CARBON 1 @@ -348,14 +353,14 @@ FT_BEGIN_HEADER register FT_Int32 t, t2; - asm __volatile__ ( - "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ - "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ - "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ - "adds %1, %1, %0\n\t" /* %1 += %0 */ - "adc %2, %2, #0\n\t" /* %2 += carry */ - "mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */ - "orr %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */ + __asm__ __volatile__ ( + "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ + "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ + "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ + "adds %1, %1, %0\n\t" /* %1 += %0 */ + "adc %2, %2, #0\n\t" /* %2 += carry */ + "mov %0, %1, lsr #16\n\t" /* %0 = %1 >> 16 */ + "orr %0, %0, %2, lsl #16\n\t" /* %0 |= %2 << 16 */ : "=r"(a), "=&r"(t2), "=&r"(t) : "r"(a), "r"(b) ); return a; @@ -395,6 +400,43 @@ FT_BEGIN_HEADER #endif /* __GNUC__ */ + +#ifdef _MSC_VER /* Visual C++ */ + +#ifdef _M_IX86 + +#define FT_MULFIX_ASSEMBLER FT_MulFix_i386 + + /* documentation is in freetype.h */ + + static __inline FT_Int32 + FT_MulFix_i386( FT_Int32 a, + FT_Int32 b ) + { + register FT_Int32 result; + + __asm + { + mov eax, a + mov edx, b + imul edx + mov ecx, edx + sar ecx, 31 + add ecx, 8000h + add eax, ecx + adc edx, 0 + shr eax, 16 + shl edx, 16 + add eax, edx + mov result, eax + } + return result; + } + +#endif /* _M_IX86 */ + +#endif /* _MSC_VER */ + #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ |