xserver and mesa git update 28-12-2010

1 files changed, 516 insertions, 512 deletions

diff --git a/mesalib/src/mesa/main/compiler.h b/mesalib/src/mesa/main/compiler.h
index 800eb8390..41cd48bc6 100644
--- a/mesalib/src/mesa/main/compiler.h
+++ b/mesalib/src/mesa/main/compiler.h
@@ -1,512 +1,516 @@
-/*
- * 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 <assert.h>
-#include <ctype.h>
-#if defined(__alpha__) && defined(CCPML)
-#include <cpml.h> /* use Compaq's Fast Math Library on Alpha */
-#else
-#include <math.h>
-#endif
-#include <limits.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <string.h>
-#if defined(__linux__) && defined(__i386__)
-#include <fpu_control.h>
-#endif
-#include <float.h>
-#include <stdarg.h>
-
-
-#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 <stdint.h>
-#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__ "<unknown>"
-#  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__ "<unknown>"
-#    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 <byteswap.h>
-#define CPU_TO_LE32( x )	bswap_32( x )
-#elif defined(__APPLE__)
-#include <CoreFoundation/CFByteOrder.h>
-#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 <sys/endian.h>
-#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 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 <assert.h>

+#include <ctype.h>

+#if defined(__alpha__) && defined(CCPML)

+#include <cpml.h> /* use Compaq's Fast Math Library on Alpha */

+#else

+#include <math.h>

+#endif

+#include <limits.h>

+#include <stdlib.h>

+#include <stdio.h>

+#include <string.h>

+#if defined(__linux__) && defined(__i386__)

+#include <fpu_control.h>

+#endif

+#include <float.h>

+#include <stdarg.h>

+

+

+#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 <stdint.h>

+#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__ "<unknown>"

+#  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__ "<unknown>"

+#    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 <byteswap.h>

+#define CPU_TO_LE32( x )	bswap_32( x )

+#elif defined(__APPLE__)

+#include <CoreFoundation/CFByteOrder.h>

+#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 <sys/endian.h>

+#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 */