#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>
*/
#if defined(_MSC_VER)
# define finite _finite
-#elif defined(__WATCOMC__)
-# define finite _finite
#endif
/**
* Disable assorted warnings
*/
-#if !defined(OPENSTEP) && (defined(_WIN32) && !defined(__CYGWIN__))
+#if defined(_WIN32) && !defined(__CYGWIN__)
# if !defined(__GNUC__) /* mingw environment */
# pragma warning( disable : 4068 ) /* unknown pragma */
# pragma warning( disable : 4710 ) /* function 'foo' not inlined */
# endif
# endif
#endif
-#if defined(__WATCOMC__)
-# pragma disable_message(201) /* Disable unreachable code warnings */
-#endif
(void) sizeof(char [1 - 2*!(COND)]); \
} while (0)
+/**
+ * Unreachable macro. Useful for suppressing "control reaches end of non-void
+ * function" warnings.
+ */
+#if __GNUC__ >= 4 && __GNUC_MINOR__ >= 5
+#define unreachable() __builtin_unreachable()
+#elif (defined(__clang__) && defined(__has_builtin))
+# if __has_builtin(__builtin_unreachable)
+# define unreachable() __builtin_unreachable()
+# endif
+#endif
+
+#ifndef unreachable
+#define unreachable()
+#endif
#if (__GNUC__ >= 3)
#define PRINTFLIKE(f, a) __attribute__ ((format(__printf__, f, a)))
defined(ia64) || defined(__ia64__) || \
defined(__hppa__) || defined(hpux) || \
defined(__mips) || defined(_MIPS_ARCH) || \
- defined(__arm__) || \
+ defined(__arm__) || defined(__aarch64__) || \
defined(__sh__) || defined(__m32r__) || \
(defined(__sun) && defined(_IEEE_754)) || \
defined(__alpha__)
__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 */