kc3-lang/freetype/include/config/ftconfig.h
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Hash : 94c66944
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Date : 2014-01-08T08:52:59
[arm] Fix Savannah bug #41138, part 2. * builds/unix/ftconfig.in (FT_MulFix_arm), include/config/ftconfig.h (FT_MulFix_arm), src/truetype/ttinterp.c (TT_MulFix14_arm): Fix preprocessor conditionals for `add.w'.
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include/config/ftconfig.h
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/***************************************************************************/ /* */ /* ftconfig.h */ /* */ /* ANSI-specific configuration file (specification only). */ /* */ /* Copyright 1996-2004, 2006-2008, 2010-2011, 2013, 2014 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ /* modified, and distributed under the terms of the FreeType project */ /* license, LICENSE.TXT. By continuing to use, modify, or distribute */ /* this file you indicate that you have read the license and */ /* understand and accept it fully. */ /* */ /***************************************************************************/ /*************************************************************************/ /* */ /* This header file contains a number of macro definitions that are used */ /* by the rest of the engine. Most of the macros here are automatically */ /* determined at compile time, and you should not need to change it to */ /* port FreeType, except to compile the library with a non-ANSI */ /* compiler. */ /* */ /* Note however that if some specific modifications are needed, we */ /* advise you to place a modified copy in your build directory. */ /* */ /* The build directory is usually `builds/<system>', and contains */ /* system-specific files that are always included first when building */ /* the library. */ /* */ /* This ANSI version should stay in `include/config/'. */ /* */ /*************************************************************************/ #ifndef __FTCONFIG_H__ #define __FTCONFIG_H__ #include <ft2build.h> #include FT_CONFIG_OPTIONS_H #include FT_CONFIG_STANDARD_LIBRARY_H FT_BEGIN_HEADER /*************************************************************************/ /* */ /* PLATFORM-SPECIFIC CONFIGURATION MACROS */ /* */ /* These macros can be toggled to suit a specific system. The current */ /* ones are defaults used to compile FreeType in an ANSI C environment */ /* (16bit compilers are also supported). Copy this file to your own */ /* `builds/<system>' directory, and edit it to port the engine. */ /* */ /*************************************************************************/ /* There are systems (like the Texas Instruments 'C54x) where a `char' */ /* has 16 bits. ANSI C says that sizeof(char) is always 1. Since an */ /* `int' has 16 bits also for this system, sizeof(int) gives 1 which */ /* is probably unexpected. */ /* */ /* `CHAR_BIT' (defined in limits.h) gives the number of bits in a */ /* `char' type. */ #ifndef FT_CHAR_BIT #define FT_CHAR_BIT CHAR_BIT #endif /* The size of an `int' type. */ #if FT_UINT_MAX == 0xFFFFUL #define FT_SIZEOF_INT (16 / FT_CHAR_BIT) #elif FT_UINT_MAX == 0xFFFFFFFFUL #define FT_SIZEOF_INT (32 / FT_CHAR_BIT) #elif FT_UINT_MAX > 0xFFFFFFFFUL && FT_UINT_MAX == 0xFFFFFFFFFFFFFFFFUL #define FT_SIZEOF_INT (64 / FT_CHAR_BIT) #else #error "Unsupported size of `int' type!" #endif /* The size of a `long' type. A five-byte `long' (as used e.g. on the */ /* DM642) is recognized but avoided. */ #if FT_ULONG_MAX == 0xFFFFFFFFUL #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFUL #define FT_SIZEOF_LONG (32 / FT_CHAR_BIT) #elif FT_ULONG_MAX > 0xFFFFFFFFUL && FT_ULONG_MAX == 0xFFFFFFFFFFFFFFFFUL #define FT_SIZEOF_LONG (64 / FT_CHAR_BIT) #else #error "Unsupported size of `long' type!" #endif /* FT_UNUSED is a macro used to indicate that a given parameter is not */ /* used -- this is only used to get rid of unpleasant compiler warnings */ #ifndef FT_UNUSED #define FT_UNUSED( arg ) ( (arg) = (arg) ) #endif /*************************************************************************/ /* */ /* AUTOMATIC CONFIGURATION MACROS */ /* */ /* These macros are computed from the ones defined above. Don't touch */ /* their definition, unless you know precisely what you are doing. No */ /* porter should need to mess with them. */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* Mac support */ /* */ /* This is the only necessary change, so it is defined here instead */ /* providing a new configuration file. */ /* */ #if defined( __APPLE__ ) || ( 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 ) #undef FT_MACINTOSH #endif #elif defined( __SC__ ) || defined( __MRC__ ) /* Classic MacOS compilers */ #include "ConditionalMacros.h" #if TARGET_OS_MAC #define FT_MACINTOSH 1 #endif #endif /*************************************************************************/ /* */ /* <Section> */ /* basic_types */ /* */ /*************************************************************************/ /*************************************************************************/ /* */ /* <Type> */ /* FT_Int16 */ /* */ /* <Description> */ /* A typedef for a 16bit signed integer type. */ /* */ typedef signed short FT_Int16; /*************************************************************************/ /* */ /* <Type> */ /* FT_UInt16 */ /* */ /* <Description> */ /* A typedef for a 16bit unsigned integer type. */ /* */ typedef unsigned short FT_UInt16; /* */ /* this #if 0 ... #endif clause is for documentation purposes */ #if 0 /*************************************************************************/ /* */ /* <Type> */ /* FT_Int32 */ /* */ /* <Description> */ /* A typedef for a 32bit signed integer type. The size depends on */ /* the configuration. */ /* */ typedef signed XXX FT_Int32; /*************************************************************************/ /* */ /* <Type> */ /* FT_UInt32 */ /* */ /* A typedef for a 32bit unsigned integer type. The size depends on */ /* the configuration. */ /* */ typedef unsigned XXX FT_UInt32; /*************************************************************************/ /* */ /* <Type> */ /* FT_Int64 */ /* */ /* A typedef for a 64bit signed integer type. The size depends on */ /* the configuration. Only defined if there is real 64bit support; */ /* otherwise, it gets emulated with a structure (if necessary). */ /* */ typedef signed XXX FT_Int64; /*************************************************************************/ /* */ /* <Type> */ /* FT_UInt64 */ /* */ /* A typedef for a 64bit unsigned integer type. The size depends on */ /* the configuration. Only defined if there is real 64bit support; */ /* otherwise, it gets emulated with a structure (if necessary). */ /* */ typedef unsigned XXX FT_UInt64; /* */ #endif #if FT_SIZEOF_INT == (32 / FT_CHAR_BIT) typedef signed int FT_Int32; typedef unsigned int FT_UInt32; #elif FT_SIZEOF_LONG == (32 / FT_CHAR_BIT) typedef signed long FT_Int32; typedef unsigned long FT_UInt32; #else #error "no 32bit type found -- please check your configuration files" #endif /* look up an integer type that is at least 32 bits */ #if FT_SIZEOF_INT >= (32 / FT_CHAR_BIT) typedef int FT_Fast; typedef unsigned int FT_UFast; #elif FT_SIZEOF_LONG >= (32 / FT_CHAR_BIT) typedef long FT_Fast; typedef unsigned long FT_UFast; #endif /* determine whether we have a 64-bit int type for platforms without */ /* Autoconf */ #if FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) /* FT_LONG64 must be defined if a 64-bit type is available */ #define FT_LONG64 #define FT_INT64 long #define FT_UINT64 unsigned long #elif defined( _MSC_VER ) && _MSC_VER >= 900 /* Visual C++ (and Intel C++) */ /* this compiler provides the __int64 type */ #define FT_LONG64 #define FT_INT64 __int64 #define FT_UINT64 unsigned __int64 #elif defined( __BORLANDC__ ) /* Borland C++ */ /* XXXX: We should probably check the value of __BORLANDC__ in order */ /* to test the compiler version. */ /* this compiler provides the __int64 type */ #define FT_LONG64 #define FT_INT64 __int64 #define FT_UINT64 unsigned __int64 #elif defined( __WATCOMC__ ) /* Watcom C++ */ /* Watcom doesn't provide 64-bit data types */ #elif defined( __MWERKS__ ) /* Metrowerks CodeWarrior */ #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #elif defined( __GNUC__ ) /* GCC provides the `long long' type */ #define FT_LONG64 #define FT_INT64 long long int #define FT_UINT64 unsigned long long int #endif /* FT_SIZEOF_LONG == (64 / FT_CHAR_BIT) */ /*************************************************************************/ /* */ /* A 64-bit data type will create compilation problems if you compile */ /* in strict ANSI mode. To avoid them, we disable its use if __STDC__ */ /* is defined. You can however ignore this rule by defining the */ /* FT_CONFIG_OPTION_FORCE_INT64 configuration macro. */ /* */ #if defined( FT_LONG64 ) && !defined( FT_CONFIG_OPTION_FORCE_INT64 ) #ifdef __STDC__ /* undefine the 64-bit macros in strict ANSI compilation mode */ #undef FT_LONG64 #undef FT_INT64 #endif /* __STDC__ */ #endif /* FT_LONG64 && !FT_CONFIG_OPTION_FORCE_INT64 */ #ifdef FT_LONG64 typedef FT_INT64 FT_Int64; typedef FT_UINT64 FT_UInt64; #endif #define FT_BEGIN_STMNT do { #define FT_END_STMNT } while ( 0 ) #define FT_DUMMY_STMNT FT_BEGIN_STMNT FT_END_STMNT #ifndef FT_CONFIG_OPTION_NO_ASSEMBLER /* 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__ ) || defined( __thumb2__ ) ) && \ !( defined( __CC_ARM ) || defined( __ARMCC__ ) ) #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__ __volatile__ ( "smull %1, %2, %4, %3\n\t" /* (lo=%1,hi=%2) = a*b */ "mov %0, %2, asr #31\n\t" /* %0 = (hi >> 31) */ #if defined( __clang__ ) && defined( __thumb2__ ) "add.w %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ #else "add %0, %0, #0x8000\n\t" /* %0 += 0x8000 */ #endif "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) : "cc" ); return a; } #endif /* __arm__ && */ /* ( __thumb2__ || !__thumb__ ) && */ /* !( __CC_ARM || __ARMCC__ ) */ #if defined( __i386__ ) #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__ __volatile__ ( "imul %%edx\n" "movl %%edx, %%ecx\n" "sarl $31, %%ecx\n" "addl $0x8000, %%ecx\n" "addl %%ecx, %%eax\n" "adcl $0, %%edx\n" "shrl $16, %%eax\n" "shll $16, %%edx\n" "addl %%edx, %%eax\n" : "=a"(result), "=d"(b) : "a"(a), "d"(b) : "%ecx", "cc" ); return result; } #endif /* i386 */ #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 */ #if defined( __GNUC__ ) && defined( __x86_64__ ) #define FT_MULFIX_ASSEMBLER FT_MulFix_x86_64 static __inline__ FT_Int32 FT_MulFix_x86_64( FT_Int32 a, FT_Int32 b ) { /* Temporarily disable the warning that C90 doesn't support */ /* `long long'. */ #if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) ) #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wlong-long" #endif #if 1 /* Technically not an assembly fragment, but GCC does a really good */ /* job at inlining it and generating good machine code for it. */ long long ret, tmp; ret = (long long)a * b; tmp = ret >> 63; ret += 0x8000 + tmp; return (FT_Int32)( ret >> 16 ); #else /* For some reason, GCC 4.6 on Ubuntu 12.04 generates invalid machine */ /* code from the lines below. The main issue is that `wide_a' is not */ /* properly initialized by sign-extending `a'. Instead, the generated */ /* machine code assumes that the register that contains `a' on input */ /* can be used directly as a 64-bit value, which is wrong most of the */ /* time. */ long long wide_a = (long long)a; long long wide_b = (long long)b; long long result; __asm__ __volatile__ ( "imul %2, %1\n" "mov %1, %0\n" "sar $63, %0\n" "lea 0x8000(%1, %0), %0\n" "sar $16, %0\n" : "=&r"(result), "=&r"(wide_a) : "r"(wide_b) : "cc" ); return (FT_Int32)result; #endif #if ( __GNUC__ > 4 ) || ( ( __GNUC__ == 4 ) && ( __GNUC_MINOR__ >= 6 ) ) #pragma GCC diagnostic pop #endif } #endif /* __GNUC__ && __x86_64__ */ #endif /* !FT_CONFIG_OPTION_NO_ASSEMBLER */ #ifdef FT_CONFIG_OPTION_INLINE_MULFIX #ifdef FT_MULFIX_ASSEMBLER #define FT_MULFIX_INLINED FT_MULFIX_ASSEMBLER #endif #endif #ifdef FT_MAKE_OPTION_SINGLE_OBJECT #define FT_LOCAL( x ) static x #define FT_LOCAL_DEF( x ) static x #else #ifdef __cplusplus #define FT_LOCAL( x ) extern "C" x #define FT_LOCAL_DEF( x ) extern "C" x #else #define FT_LOCAL( x ) extern x #define FT_LOCAL_DEF( x ) x #endif #endif /* FT_MAKE_OPTION_SINGLE_OBJECT */ #define FT_LOCAL_ARRAY( x ) extern const x #define FT_LOCAL_ARRAY_DEF( x ) const x #ifndef FT_BASE #ifdef __cplusplus #define FT_BASE( x ) extern "C" x #else #define FT_BASE( x ) extern x #endif #endif /* !FT_BASE */ #ifndef FT_BASE_DEF #ifdef __cplusplus #define FT_BASE_DEF( x ) x #else #define FT_BASE_DEF( x ) x #endif #endif /* !FT_BASE_DEF */ #ifndef FT_EXPORT #ifdef __cplusplus #define FT_EXPORT( x ) extern "C" x #else #define FT_EXPORT( x ) extern x #endif #endif /* !FT_EXPORT */ #ifndef FT_EXPORT_DEF #ifdef __cplusplus #define FT_EXPORT_DEF( x ) extern "C" x #else #define FT_EXPORT_DEF( x ) extern x #endif #endif /* !FT_EXPORT_DEF */ #ifndef FT_EXPORT_VAR #ifdef __cplusplus #define FT_EXPORT_VAR( x ) extern "C" x #else #define FT_EXPORT_VAR( x ) extern x #endif #endif /* !FT_EXPORT_VAR */ /* The following macros are needed to compile the library with a */ /* C++ compiler and with 16bit compilers. */ /* */ /* This is special. Within C++, you must specify `extern "C"' for */ /* functions which are used via function pointers, and you also */ /* must do that for structures which contain function pointers to */ /* assure C linkage -- it's not possible to have (local) anonymous */ /* functions which are accessed by (global) function pointers. */ /* */ /* */ /* FT_CALLBACK_DEF is used to _define_ a callback function. */ /* */ /* FT_CALLBACK_TABLE is used to _declare_ a constant variable that */ /* contains pointers to callback functions. */ /* */ /* FT_CALLBACK_TABLE_DEF is used to _define_ a constant variable */ /* that contains pointers to callback functions. */ /* */ /* */ /* Some 16bit compilers have to redefine these macros to insert */ /* the infamous `_cdecl' or `__fastcall' declarations. */ /* */ #ifndef FT_CALLBACK_DEF #ifdef __cplusplus #define FT_CALLBACK_DEF( x ) extern "C" x #else #define FT_CALLBACK_DEF( x ) static x #endif #endif /* FT_CALLBACK_DEF */ #ifndef FT_CALLBACK_TABLE #ifdef __cplusplus #define FT_CALLBACK_TABLE extern "C" #define FT_CALLBACK_TABLE_DEF extern "C" #else #define FT_CALLBACK_TABLE extern #define FT_CALLBACK_TABLE_DEF /* nothing */ #endif #endif /* FT_CALLBACK_TABLE */ FT_END_HEADER #endif /* __FTCONFIG_H__ */ /* END */