Hi,
Here is a quick patch to replace the existing magic in ieeefp.h to
detect endianness using a configure defined macro.
Comments before commit ?
Guilhem.
ChangeLog entry:
2005-06-27 Guilhem Lavaux <[EMAIL PROTECTED]>
* native/fdlibm/ieeefp.h: Removed all preprocessor magic to
discover endianness and replaced by configure autodetection.
Index: native/fdlibm/ieeefp.h
===================================================================
RCS file: /cvsroot/classpath/classpath/native/fdlibm/ieeefp.h,v
retrieving revision 1.6
diff -u -r1.6 ieeefp.h
--- native/fdlibm/ieeefp.h 24 Apr 2005 17:47:35 -0000 1.6
+++ native/fdlibm/ieeefp.h 27 Jun 2005 07:21:54 -0000
@@ -4,163 +4,14 @@
#ifndef __IEEE_BIG_ENDIAN
#ifndef __IEEE_LITTLE_ENDIAN
-#ifdef __alpha__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#if defined(__arm__) || defined(__thumb__)
-/* ARM traditionally used big-endian words; and within those words the
- byte ordering was big or little endian depending upon the target.
- Modern floating-point formats are naturally ordered; in this case
- __VFP_FP__ will be defined, even if soft-float. */
-#ifdef __VFP_FP__
-#ifdef __ARMEL__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-#else
-#define __IEEE_BIG_ENDIAN
-#ifdef __ARMEL__
-#define __IEEE_BYTES_LITTLE_ENDIAN
-#endif
-#endif
-#endif
-
-#ifdef __hppa__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#if defined (__sparc) || defined (__sparc__)
-#define __IEEE_BIG_ENDIAN
-#endif
+#include "config.h"
-#ifdef __m32r__
-#ifdef __LITTLE_ENDIAN__
-#define __IEEE_LITTLE_ENDIAN
+#if defined(WORDS_BIGENDIAN)
+# define __IEEE_BIG_ENDIAN
#else
-#define __IEEE_BIG_ENDIAN
-#endif
-#endif
-
-#if defined(__m68k__) || defined(__mc68000__)
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#if defined (__H8300__) || defined (__H8300H__)
-#define __IEEE_BIG_ENDIAN
-#define __SMALL_BITFIELDS
-#define _DOUBLE_IS_32BITS
-#endif
-
-#ifdef __H8500__
-#define __IEEE_BIG_ENDIAN
-#define __SMALL_BITFIELDS
-#define _DOUBLE_IS_32BITS
-#endif
-
-#ifdef __sh__
-#ifdef __LITTLE_ENDIAN__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __SH3E__
-#define _DOUBLE_IS_32BITS
-#endif
-#endif
-
-#ifdef _AM29K
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __i386__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __x86_64__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __i960__
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#ifdef __MIPSEL__
-#define __IEEE_LITTLE_ENDIAN
+# define __IEEE_LITTLE_ENDIAN
#endif
-#ifdef __MIPSEB__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __pj__
-#ifdef __pjl__
-#define __IEEE_LITTLE_ENDIAN
-#else
-#define __IEEE_BIG_ENDIAN
-#endif
-#endif
-
-/* necv70 was __IEEE_LITTLE_ENDIAN. */
-
-#ifdef __W65__
-#define __IEEE_LITTLE_ENDIAN
-#define __SMALL_BITFIELDS
-#define _DOUBLE_IS_32BITS
-#endif
-
-#if defined(__Z8001__) || defined(__Z8002__)
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __m88k__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __v800
-#define __IEEE_LITTLE_ENDIAN
-#endif
-
-#if defined (__PPC__) || defined (__ppc__) || defined (__ppc64__)
-#if (defined(_BIG_ENDIAN) && _BIG_ENDIAN) || (defined(_AIX) && _AIX) \
- || defined (__APPLE__)
-#define __IEEE_BIG_ENDIAN
-#else
-#if (defined(_LITTLE_ENDIAN) && _LITTLE_ENDIAN) || (defined(__sun__) && __sun__) || (defined(__WIN32__) && __WIN32__)
-#define __IEEE_LITTLE_ENDIAN
-#endif
-#endif
-#endif
-
-#ifdef __fr30__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifdef __mcore__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-
-#ifdef __ia64__
-#ifdef __BIG_ENDIAN__
-#define __IEEE_BIG_ENDIAN
-#else
-#define __IEEE_LITTLE_ENDIAN
-#endif
-#endif
-
-#ifdef __s390__
-#define __IEEE_BIG_ENDIAN
-#endif
-
-#ifndef __IEEE_BIG_ENDIAN
-#ifndef __IEEE_LITTLE_ENDIAN
-#error Endianess not declared!!
-#endif /* not __IEEE_LITTLE_ENDIAN */
-#endif /* not __IEEE_BIG_ENDIAN */
-
#endif /* not __IEEE_LITTLE_ENDIAN */
#endif /* not __IEEE_BIG_ENDIAN */
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