From 0b9b391c5a7acb31e5d8061169649043a38d6d0e Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 28 Mar 2011 10:22:02 +0000 Subject: xserver xkeyboard-config mesa git update 28 Mar 2011 --- mesalib/src/mesa/main/compiler.h | 1036 +++++++++++++++++++------------------- 1 file changed, 520 insertions(+), 516 deletions(-) (limited to 'mesalib/src/mesa/main/compiler.h') diff --git a/mesalib/src/mesa/main/compiler.h b/mesalib/src/mesa/main/compiler.h index 41cd48bc6..e17fd0ff6 100644 --- a/mesalib/src/mesa/main/compiler.h +++ b/mesalib/src/mesa/main/compiler.h @@ -1,516 +1,520 @@ -/* - * Mesa 3-D graphics library - * Version: 7.5 - * - * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. - * Copyright (C) 2009 VMware, Inc. All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ - - -/** - * \file compiler.h - * Compiler-related stuff. - */ - - -#ifndef COMPILER_H -#define COMPILER_H - - -#include -#include -#if defined(__alpha__) && defined(CCPML) -#include /* use Compaq's Fast Math Library on Alpha */ -#else -#include -#endif -#include -#include -#include -#include -#if defined(__linux__) && defined(__i386__) -#include -#endif -#include -#include - - -#ifdef __cplusplus -extern "C" { -#endif - - -/** - * Get standard integer types - */ -#if defined(_MSC_VER) - typedef __int8 int8_t; - typedef unsigned __int8 uint8_t; - typedef __int16 int16_t; - typedef unsigned __int16 uint16_t; - typedef __int32 int32_t; - typedef unsigned __int32 uint32_t; - typedef __int64 int64_t; - typedef unsigned __int64 uint64_t; - -# if defined(_WIN64) - typedef __int64 intptr_t; - typedef unsigned __int64 uintptr_t; -# else - typedef __int32 intptr_t; - typedef unsigned __int32 uintptr_t; -# endif - -# define INT64_C(__val) __val##i64 -# define UINT64_C(__val) __val##ui64 -#else -# include -#endif - - -/** - * Sun compilers define __i386 instead of the gcc-style __i386__ - */ -#ifdef __SUNPRO_C -# if !defined(__i386__) && defined(__i386) -# define __i386__ -# elif !defined(__amd64__) && defined(__amd64) -# define __amd64__ -# elif !defined(__sparc__) && defined(__sparc) -# define __sparc__ -# endif -# if !defined(__volatile) -# define __volatile volatile -# endif -#endif - - -/** - * finite macro. - */ -#if defined(_MSC_VER) -# define finite _finite -#elif defined(__WATCOMC__) -# define finite _finite -#endif - - -/** - * Disable assorted warnings - */ -#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP) -# if !defined(__GNUC__) /* mingw environment */ -# pragma warning( disable : 4068 ) /* unknown pragma */ -# pragma warning( disable : 4710 ) /* function 'foo' not inlined */ -# pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */ -# pragma warning( disable : 4127 ) /* conditional expression is constant */ -# if defined(MESA_MINWARN) -# pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */ -# pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */ -# pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */ -# pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */ -# pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */ -# endif -# endif -#endif -#if defined(__WATCOMC__) -# pragma disable_message(201) /* Disable unreachable code warnings */ -#endif - - - -/** - * Function inlining - */ -#if defined(__GNUC__) -# define INLINE __inline__ -#elif defined(__MSC__) -# define INLINE __inline -#elif defined(_MSC_VER) -# define INLINE __inline -#elif defined(__ICL) -# define INLINE __inline -#elif defined(__INTEL_COMPILER) -# define INLINE inline -#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100) -# define INLINE __inline -#elif defined(__SUNPRO_C) && defined(__C99FEATURES__) -# define INLINE inline -# define __inline inline -# define __inline__ inline -#elif (__STDC_VERSION__ >= 199901L) /* C99 */ -# define INLINE inline -#else -# define INLINE -#endif - - -/** - * PUBLIC/USED macros - * - * If we build the library with gcc's -fvisibility=hidden flag, we'll - * use the PUBLIC macro to mark functions that are to be exported. - * - * We also need to define a USED attribute, so the optimizer doesn't - * inline a static function that we later use in an alias. - ajax - */ -#if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) -# define PUBLIC __attribute__((visibility("default"))) -# define USED __attribute__((used)) -#else -# define PUBLIC -# define USED -#endif - - -/** - * Some compilers don't like some of Mesa's const usage. In those places use - * CONST instead of const. Pass -DNO_CONST to compilers where this matters. - */ -#ifdef NO_CONST -# define CONST -#else -# define CONST const -#endif - - -/** - * __builtin_expect macros - */ -#if !defined(__GNUC__) -# define __builtin_expect(x, y) x -#endif - -#ifdef __GNUC__ -#define likely(x) __builtin_expect(!!(x), 1) -#define unlikely(x) __builtin_expect(!!(x), 0) -#else -#define likely(x) !!(x) -#define unlikely(x) !!(x) -#endif - -/** - * The __FUNCTION__ gcc variable is generally only used for debugging. - * If we're not using gcc, define __FUNCTION__ as a cpp symbol here. - * Don't define it if using a newer Windows compiler. - */ -#ifndef __FUNCTION__ -# if defined(__VMS) -# define __FUNCTION__ "VMS$NL:" -# elif !defined(__GNUC__) && !defined(__xlC__) && \ - (!defined(_MSC_VER) || _MSC_VER < 1300) -# if (__STDC_VERSION__ >= 199901L) /* C99 */ || \ - (defined(__SUNPRO_C) && defined(__C99FEATURES__)) -# define __FUNCTION__ __func__ -# else -# define __FUNCTION__ "" -# endif -# endif -#endif -#ifndef __func__ -# if (__STDC_VERSION__ >= 199901L) || \ - (defined(__SUNPRO_C) && defined(__C99FEATURES__)) - /* __func__ is part of C99 */ -# elif defined(_MSC_VER) -# if _MSC_VER >= 1300 -# define __func__ __FUNCTION__ -# else -# define __func__ "" -# endif -# endif -#endif - - -/** - * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN, and CPU_TO_LE32. - * Do not use these unless absolutely necessary! - * Try to use a runtime test instead. - * For now, only used by some DRI hardware drivers for color/texel packing. - */ -#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN -#if defined(__linux__) -#include -#define CPU_TO_LE32( x ) bswap_32( x ) -#elif defined(__APPLE__) -#include -#define CPU_TO_LE32( x ) CFSwapInt32HostToLittle( x ) -#elif (defined(_AIX) || defined(__blrts)) -static INLINE GLuint CPU_TO_LE32(GLuint x) -{ - return (((x & 0x000000ff) << 24) | - ((x & 0x0000ff00) << 8) | - ((x & 0x00ff0000) >> 8) | - ((x & 0xff000000) >> 24)); -} -#else /*__linux__ */ -#include -#define CPU_TO_LE32( x ) bswap32( x ) -#endif /*__linux__*/ -#define MESA_BIG_ENDIAN 1 -#else -#define CPU_TO_LE32( x ) ( x ) -#define MESA_LITTLE_ENDIAN 1 -#endif -#define LE32_TO_CPU( x ) CPU_TO_LE32( x ) - - - -#if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP) -#define CAPI _cdecl -#endif - - -/** - * Create a macro so that asm functions can be linked into compilers other - * than GNU C - */ -#ifndef _ASMAPI -#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/ -#define _ASMAPI __cdecl -#else -#define _ASMAPI -#endif -#ifdef PTR_DECL_IN_FRONT -#define _ASMAPIP * _ASMAPI -#else -#define _ASMAPIP _ASMAPI * -#endif -#endif - -#ifdef USE_X86_ASM -#define _NORMAPI _ASMAPI -#define _NORMAPIP _ASMAPIP -#else -#define _NORMAPI -#define _NORMAPIP * -#endif - - -/* This is a macro on IRIX */ -#ifdef _P -#undef _P -#endif - - -/* Turn off macro checking systems used by other libraries */ -#ifdef CHECK -#undef CHECK -#endif - - -/** - * ASSERT macro - */ -#if !defined(_WIN32_WCE) -#if defined(BUILD_FOR_SNAP) && defined(CHECKED) -# define ASSERT(X) _CHECK(X) -#elif defined(DEBUG) -# define ASSERT(X) assert(X) -#else -# define ASSERT(X) -#endif -#endif - -#if (__GNUC__ >= 3) -#define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a))) -#else -#define PRINTFLIKE(f, a) -#endif - -#ifndef NULL -#define NULL 0 -#endif - - -/** - * LONGSTRING macro - * gcc -pedantic warns about long string literals, LONGSTRING silences that. - */ -#if !defined(__GNUC__) -# define LONGSTRING -#else -# define LONGSTRING __extension__ -#endif - - -#ifndef M_PI -#define M_PI (3.1415926536) -#endif - -#ifndef M_E -#define M_E (2.7182818284590452354) -#endif - -#ifndef M_LOG2E -#define M_LOG2E (1.4426950408889634074) -#endif - -#ifndef ONE_DIV_LN2 -#define ONE_DIV_LN2 (1.442695040888963456) -#endif - -#ifndef ONE_DIV_SQRT_LN2 -#define ONE_DIV_SQRT_LN2 (1.201122408786449815) -#endif - -#ifndef FLT_MAX_EXP -#define FLT_MAX_EXP 128 -#endif - - -/** - * USE_IEEE: Determine if we're using IEEE floating point - */ -#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \ - defined(__s390x__) || defined(__powerpc__) || \ - defined(__x86_64__) || \ - defined(ia64) || defined(__ia64__) || \ - defined(__hppa__) || defined(hpux) || \ - defined(__mips) || defined(_MIPS_ARCH) || \ - defined(__arm__) || \ - defined(__sh__) || defined(__m32r__) || \ - (defined(__sun) && defined(_IEEE_754)) || \ - (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS))) -#define USE_IEEE -#define IEEE_ONE 0x3f800000 -#endif - - -/** - * START/END_FAST_MATH macros: - * - * START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save - * original mode to a temporary). - * END_FAST_MATH: Restore x86 FPU to original mode. - */ -#if defined(__GNUC__) && defined(__i386__) -/* - * Set the x86 FPU control word to guarentee only 32 bits of precision - * are stored in registers. Allowing the FPU to store more introduces - * differences between situations where numbers are pulled out of memory - * vs. situations where the compiler is able to optimize register usage. - * - * In the worst case, we force the compiler to use a memory access to - * truncate the float, by specifying the 'volatile' keyword. - */ -/* Hardware default: All exceptions masked, extended double precision, - * round to nearest (IEEE compliant): - */ -#define DEFAULT_X86_FPU 0x037f -/* All exceptions masked, single precision, round to nearest: - */ -#define FAST_X86_FPU 0x003f -/* The fldcw instruction will cause any pending FP exceptions to be - * raised prior to entering the block, and we clear any pending - * exceptions before exiting the block. Hence, asm code has free - * reign over the FPU while in the fast math block. - */ -#if defined(NO_FAST_MATH) -#define START_FAST_MATH(x) \ -do { \ - static GLuint mask = DEFAULT_X86_FPU; \ - __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ - __asm__ ( "fldcw %0" : : "m" (mask) ); \ -} while (0) -#else -#define START_FAST_MATH(x) \ -do { \ - static GLuint mask = FAST_X86_FPU; \ - __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ - __asm__ ( "fldcw %0" : : "m" (mask) ); \ -} while (0) -#endif -/* Restore original FPU mode, and clear any exceptions that may have - * occurred in the FAST_MATH block. - */ -#define END_FAST_MATH(x) \ -do { \ - __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) ); \ -} while (0) - -#elif defined(__WATCOMC__) && defined(__386__) -#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ -#define FAST_X86_FPU 0x003f /* See GCC comments above */ -void _watcom_start_fast_math(unsigned short *x,unsigned short *mask); -#pragma aux _watcom_start_fast_math = \ - "fnstcw word ptr [eax]" \ - "fldcw word ptr [ecx]" \ - parm [eax] [ecx] \ - modify exact []; -void _watcom_end_fast_math(unsigned short *x); -#pragma aux _watcom_end_fast_math = \ - "fnclex" \ - "fldcw word ptr [eax]" \ - parm [eax] \ - modify exact []; -#if defined(NO_FAST_MATH) -#define START_FAST_MATH(x) \ -do { \ - static GLushort mask = DEFAULT_X86_FPU; \ - _watcom_start_fast_math(&x,&mask); \ -} while (0) -#else -#define START_FAST_MATH(x) \ -do { \ - static GLushort mask = FAST_X86_FPU; \ - _watcom_start_fast_math(&x,&mask); \ -} while (0) -#endif -#define END_FAST_MATH(x) _watcom_end_fast_math(&x) - -#elif defined(_MSC_VER) && defined(_M_IX86) -#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ -#define FAST_X86_FPU 0x003f /* See GCC comments above */ -#if defined(NO_FAST_MATH) -#define START_FAST_MATH(x) do {\ - static GLuint mask = DEFAULT_X86_FPU;\ - __asm fnstcw word ptr [x]\ - __asm fldcw word ptr [mask]\ -} while(0) -#else -#define START_FAST_MATH(x) do {\ - static GLuint mask = FAST_X86_FPU;\ - __asm fnstcw word ptr [x]\ - __asm fldcw word ptr [mask]\ -} while(0) -#endif -#define END_FAST_MATH(x) do {\ - __asm fnclex\ - __asm fldcw word ptr [x]\ -} while(0) - -#else -#define START_FAST_MATH(x) x = 0 -#define END_FAST_MATH(x) (void)(x) -#endif - - -#ifndef Elements -#define Elements(x) (sizeof(x)/sizeof(*(x))) -#endif - - - -#ifdef __cplusplus -} -#endif - - -#endif /* COMPILER_H */ +/* + * Mesa 3-D graphics library + * Version: 7.5 + * + * Copyright (C) 1999-2008 Brian Paul All Rights Reserved. + * Copyright (C) 2009 VMware, Inc. All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +/** + * \file compiler.h + * Compiler-related stuff. + */ + + +#ifndef COMPILER_H +#define COMPILER_H + + +#include +#include +#if defined(__alpha__) && defined(CCPML) +#include /* use Compaq's Fast Math Library on Alpha */ +#else +#include +#endif +#include +#include +#include +#include +#if defined(__linux__) && defined(__i386__) +#include +#endif +#include +#include + + +#ifdef __cplusplus +extern "C" { +#endif + + +/** + * Get standard integer types + */ +#if defined(_MSC_VER) + typedef __int8 int8_t; + typedef unsigned __int8 uint8_t; + typedef __int16 int16_t; + typedef unsigned __int16 uint16_t; + typedef __int32 int32_t; + typedef unsigned __int32 uint32_t; + typedef __int64 int64_t; + typedef unsigned __int64 uint64_t; + +# if defined(_WIN64) + typedef __int64 intptr_t; + typedef unsigned __int64 uintptr_t; +# else + typedef __int32 intptr_t; + typedef unsigned __int32 uintptr_t; +# endif + +# define INT64_C(__val) __val##i64 +# define UINT64_C(__val) __val##ui64 +#else +# include +#endif + + +/** + * Sun compilers define __i386 instead of the gcc-style __i386__ + */ +#ifdef __SUNPRO_C +# if !defined(__i386__) && defined(__i386) +# define __i386__ +# elif !defined(__amd64__) && defined(__amd64) +# define __amd64__ +# elif !defined(__sparc__) && defined(__sparc) +# define __sparc__ +# endif +# if !defined(__volatile) +# define __volatile volatile +# endif +#endif + + +/** + * finite macro. + */ +#if defined(_MSC_VER) +# define finite _finite +#elif defined(__WATCOMC__) +# define finite _finite +#endif + + +/** + * Disable assorted warnings + */ +#if !defined(OPENSTEP) && (defined(__WIN32__) && !defined(__CYGWIN__)) && !defined(BUILD_FOR_SNAP) +# if !defined(__GNUC__) /* mingw environment */ +# pragma warning( disable : 4068 ) /* unknown pragma */ +# pragma warning( disable : 4710 ) /* function 'foo' not inlined */ +# pragma warning( disable : 4711 ) /* function 'foo' selected for automatic inline expansion */ +# pragma warning( disable : 4127 ) /* conditional expression is constant */ +# if defined(MESA_MINWARN) +# pragma warning( disable : 4244 ) /* '=' : conversion from 'const double ' to 'float ', possible loss of data */ +# pragma warning( disable : 4018 ) /* '<' : signed/unsigned mismatch */ +# pragma warning( disable : 4305 ) /* '=' : truncation from 'const double ' to 'float ' */ +# pragma warning( disable : 4550 ) /* 'function' undefined; assuming extern returning int */ +# pragma warning( disable : 4761 ) /* integral size mismatch in argument; conversion supplied */ +# endif +# endif +#endif +#if defined(__WATCOMC__) +# pragma disable_message(201) /* Disable unreachable code warnings */ +#endif + + + +/** + * Function inlining + */ +#if defined(__GNUC__) +# define INLINE __inline__ +#elif defined(__MSC__) +# define INLINE __inline +#elif defined(_MSC_VER) +# define INLINE __inline +#elif defined(__ICL) +# define INLINE __inline +#elif defined(__INTEL_COMPILER) +# define INLINE inline +#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100) +# define INLINE __inline +#elif defined(__SUNPRO_C) && defined(__C99FEATURES__) +# define INLINE inline +# define __inline inline +# define __inline__ inline +#elif (__STDC_VERSION__ >= 199901L) /* C99 */ +# define INLINE inline +#else +# define INLINE +#endif + + +/** + * PUBLIC/USED macros + * + * If we build the library with gcc's -fvisibility=hidden flag, we'll + * use the PUBLIC macro to mark functions that are to be exported. + * + * We also need to define a USED attribute, so the optimizer doesn't + * inline a static function that we later use in an alias. - ajax + */ +#ifndef PUBLIC +# if defined(__GNUC__) || (defined(__SUNPRO_C) && (__SUNPRO_C >= 0x590)) +# define PUBLIC __attribute__((visibility("default"))) +# define USED __attribute__((used)) +# else +# define PUBLIC +# define USED +# endif +#endif + + +/** + * Some compilers don't like some of Mesa's const usage. In those places use + * CONST instead of const. Pass -DNO_CONST to compilers where this matters. + */ +#ifdef NO_CONST +# define CONST +#else +# define CONST const +#endif + + +/** + * __builtin_expect macros + */ +#if !defined(__GNUC__) +# define __builtin_expect(x, y) (x) +#endif + +#ifndef likely +# ifdef __GNUC__ +# define likely(x) __builtin_expect(!!(x), 1) +# define unlikely(x) __builtin_expect(!!(x), 0) +# else +# define likely(x) (x) +# define unlikely(x) (x) +# endif +#endif + +/** + * The __FUNCTION__ gcc variable is generally only used for debugging. + * If we're not using gcc, define __FUNCTION__ as a cpp symbol here. + * Don't define it if using a newer Windows compiler. + */ +#ifndef __FUNCTION__ +# if defined(__VMS) +# define __FUNCTION__ "VMS$NL:" +# elif !defined(__GNUC__) && !defined(__xlC__) && \ + (!defined(_MSC_VER) || _MSC_VER < 1300) +# if (__STDC_VERSION__ >= 199901L) /* C99 */ || \ + (defined(__SUNPRO_C) && defined(__C99FEATURES__)) +# define __FUNCTION__ __func__ +# else +# define __FUNCTION__ "" +# endif +# endif +#endif +#ifndef __func__ +# if (__STDC_VERSION__ >= 199901L) || \ + (defined(__SUNPRO_C) && defined(__C99FEATURES__)) + /* __func__ is part of C99 */ +# elif defined(_MSC_VER) +# if _MSC_VER >= 1300 +# define __func__ __FUNCTION__ +# else +# define __func__ "" +# endif +# endif +#endif + + +/** + * Either define MESA_BIG_ENDIAN or MESA_LITTLE_ENDIAN, and CPU_TO_LE32. + * Do not use these unless absolutely necessary! + * Try to use a runtime test instead. + * For now, only used by some DRI hardware drivers for color/texel packing. + */ +#if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN +#if defined(__linux__) +#include +#define CPU_TO_LE32( x ) bswap_32( x ) +#elif defined(__APPLE__) +#include +#define CPU_TO_LE32( x ) CFSwapInt32HostToLittle( x ) +#elif (defined(_AIX) || defined(__blrts)) +static INLINE GLuint CPU_TO_LE32(GLuint x) +{ + return (((x & 0x000000ff) << 24) | + ((x & 0x0000ff00) << 8) | + ((x & 0x00ff0000) >> 8) | + ((x & 0xff000000) >> 24)); +} +#else /*__linux__ */ +#include +#define CPU_TO_LE32( x ) bswap32( x ) +#endif /*__linux__*/ +#define MESA_BIG_ENDIAN 1 +#else +#define CPU_TO_LE32( x ) ( x ) +#define MESA_LITTLE_ENDIAN 1 +#endif +#define LE32_TO_CPU( x ) CPU_TO_LE32( x ) + + + +#if !defined(CAPI) && defined(WIN32) && !defined(BUILD_FOR_SNAP) +#define CAPI _cdecl +#endif + + +/** + * Create a macro so that asm functions can be linked into compilers other + * than GNU C + */ +#ifndef _ASMAPI +#if defined(WIN32) && !defined(BUILD_FOR_SNAP)/* was: !defined( __GNUC__ ) && !defined( VMS ) && !defined( __INTEL_COMPILER )*/ +#define _ASMAPI __cdecl +#else +#define _ASMAPI +#endif +#ifdef PTR_DECL_IN_FRONT +#define _ASMAPIP * _ASMAPI +#else +#define _ASMAPIP _ASMAPI * +#endif +#endif + +#ifdef USE_X86_ASM +#define _NORMAPI _ASMAPI +#define _NORMAPIP _ASMAPIP +#else +#define _NORMAPI +#define _NORMAPIP * +#endif + + +/* This is a macro on IRIX */ +#ifdef _P +#undef _P +#endif + + +/* Turn off macro checking systems used by other libraries */ +#ifdef CHECK +#undef CHECK +#endif + + +/** + * ASSERT macro + */ +#if !defined(_WIN32_WCE) +#if defined(BUILD_FOR_SNAP) && defined(CHECKED) +# define ASSERT(X) _CHECK(X) +#elif defined(DEBUG) +# define ASSERT(X) assert(X) +#else +# define ASSERT(X) +#endif +#endif + +#if (__GNUC__ >= 3) +#define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a))) +#else +#define PRINTFLIKE(f, a) +#endif + +#ifndef NULL +#define NULL 0 +#endif + + +/** + * LONGSTRING macro + * gcc -pedantic warns about long string literals, LONGSTRING silences that. + */ +#if !defined(__GNUC__) +# define LONGSTRING +#else +# define LONGSTRING __extension__ +#endif + + +#ifndef M_PI +#define M_PI (3.1415926536) +#endif + +#ifndef M_E +#define M_E (2.7182818284590452354) +#endif + +#ifndef M_LOG2E +#define M_LOG2E (1.4426950408889634074) +#endif + +#ifndef ONE_DIV_LN2 +#define ONE_DIV_LN2 (1.442695040888963456) +#endif + +#ifndef ONE_DIV_SQRT_LN2 +#define ONE_DIV_SQRT_LN2 (1.201122408786449815) +#endif + +#ifndef FLT_MAX_EXP +#define FLT_MAX_EXP 128 +#endif + + +/** + * USE_IEEE: Determine if we're using IEEE floating point + */ +#if defined(__i386__) || defined(__386__) || defined(__sparc__) || \ + defined(__s390x__) || defined(__powerpc__) || \ + defined(__x86_64__) || \ + defined(ia64) || defined(__ia64__) || \ + defined(__hppa__) || defined(hpux) || \ + defined(__mips) || defined(_MIPS_ARCH) || \ + defined(__arm__) || \ + defined(__sh__) || defined(__m32r__) || \ + (defined(__sun) && defined(_IEEE_754)) || \ + (defined(__alpha__) && (defined(__IEEE_FLOAT) || !defined(VMS))) +#define USE_IEEE +#define IEEE_ONE 0x3f800000 +#endif + + +/** + * START/END_FAST_MATH macros: + * + * START_FAST_MATH: Set x86 FPU to faster, 32-bit precision mode (and save + * original mode to a temporary). + * END_FAST_MATH: Restore x86 FPU to original mode. + */ +#if defined(__GNUC__) && defined(__i386__) +/* + * Set the x86 FPU control word to guarentee only 32 bits of precision + * are stored in registers. Allowing the FPU to store more introduces + * differences between situations where numbers are pulled out of memory + * vs. situations where the compiler is able to optimize register usage. + * + * In the worst case, we force the compiler to use a memory access to + * truncate the float, by specifying the 'volatile' keyword. + */ +/* Hardware default: All exceptions masked, extended double precision, + * round to nearest (IEEE compliant): + */ +#define DEFAULT_X86_FPU 0x037f +/* All exceptions masked, single precision, round to nearest: + */ +#define FAST_X86_FPU 0x003f +/* The fldcw instruction will cause any pending FP exceptions to be + * raised prior to entering the block, and we clear any pending + * exceptions before exiting the block. Hence, asm code has free + * reign over the FPU while in the fast math block. + */ +#if defined(NO_FAST_MATH) +#define START_FAST_MATH(x) \ +do { \ + static GLuint mask = DEFAULT_X86_FPU; \ + __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ + __asm__ ( "fldcw %0" : : "m" (mask) ); \ +} while (0) +#else +#define START_FAST_MATH(x) \ +do { \ + static GLuint mask = FAST_X86_FPU; \ + __asm__ ( "fnstcw %0" : "=m" (*&(x)) ); \ + __asm__ ( "fldcw %0" : : "m" (mask) ); \ +} while (0) +#endif +/* Restore original FPU mode, and clear any exceptions that may have + * occurred in the FAST_MATH block. + */ +#define END_FAST_MATH(x) \ +do { \ + __asm__ ( "fnclex ; fldcw %0" : : "m" (*&(x)) ); \ +} while (0) + +#elif defined(__WATCOMC__) && defined(__386__) +#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ +#define FAST_X86_FPU 0x003f /* See GCC comments above */ +void _watcom_start_fast_math(unsigned short *x,unsigned short *mask); +#pragma aux _watcom_start_fast_math = \ + "fnstcw word ptr [eax]" \ + "fldcw word ptr [ecx]" \ + parm [eax] [ecx] \ + modify exact []; +void _watcom_end_fast_math(unsigned short *x); +#pragma aux _watcom_end_fast_math = \ + "fnclex" \ + "fldcw word ptr [eax]" \ + parm [eax] \ + modify exact []; +#if defined(NO_FAST_MATH) +#define START_FAST_MATH(x) \ +do { \ + static GLushort mask = DEFAULT_X86_FPU; \ + _watcom_start_fast_math(&x,&mask); \ +} while (0) +#else +#define START_FAST_MATH(x) \ +do { \ + static GLushort mask = FAST_X86_FPU; \ + _watcom_start_fast_math(&x,&mask); \ +} while (0) +#endif +#define END_FAST_MATH(x) _watcom_end_fast_math(&x) + +#elif defined(_MSC_VER) && defined(_M_IX86) +#define DEFAULT_X86_FPU 0x037f /* See GCC comments above */ +#define FAST_X86_FPU 0x003f /* See GCC comments above */ +#if defined(NO_FAST_MATH) +#define START_FAST_MATH(x) do {\ + static GLuint mask = DEFAULT_X86_FPU;\ + __asm fnstcw word ptr [x]\ + __asm fldcw word ptr [mask]\ +} while(0) +#else +#define START_FAST_MATH(x) do {\ + static GLuint mask = FAST_X86_FPU;\ + __asm fnstcw word ptr [x]\ + __asm fldcw word ptr [mask]\ +} while(0) +#endif +#define END_FAST_MATH(x) do {\ + __asm fnclex\ + __asm fldcw word ptr [x]\ +} while(0) + +#else +#define START_FAST_MATH(x) x = 0 +#define END_FAST_MATH(x) (void)(x) +#endif + + +#ifndef Elements +#define Elements(x) (sizeof(x)/sizeof(*(x))) +#endif + + + +#ifdef __cplusplus +} +#endif + + +#endif /* COMPILER_H */ -- cgit v1.2.3