#ifndef __IEEE_BIG_ENDIAN #ifndef __IEEE_LITTLE_ENDIAN /* This file can define macros to choose variations of the IEEE float format: _FLT_LARGEST_EXPONENT_IS_NORMAL Defined if the float format uses the largest exponent for finite numbers rather than NaN and infinity representations. Such a format cannot represent NaNs or infinities at all, but it's FLT_MAX is twice the IEEE value. _FLT_NO_DENORMALS Defined if the float format does not support IEEE denormals. Every float with a zero exponent is taken to be a zero representation. ??? At the moment, there are no equivalent macros above for doubles and the macros are not fully supported by --enable-newlib-hw-fp. __IEEE_BIG_ENDIAN Defined if the float format is big endian. This is mutually exclusive with __IEEE_LITTLE_ENDIAN. __IEEE_LITTLE_ENDIAN Defined if the float format is little endian. This is mutually exclusive with __IEEE_BIG_ENDIAN. Note that one of __IEEE_BIG_ENDIAN or __IEEE_LITTLE_ENDIAN must be specified for a platform or error will occur. __IEEE_BYTES_LITTLE_ENDIAN This flag is used in conjunction with __IEEE_BIG_ENDIAN to describe a situation whereby multiple words of an IEEE floating point are in big endian order, but the words themselves are little endian with respect to the bytes. _DOUBLE_IS_32BITS This is used on platforms that support double by using the 32-bit IEEE float type. _FLOAT_ARG This represents what type a float arg is passed as. It is used when the type is not promoted to double. */ #if (defined(__arm__) || defined(__thumb__)) && !defined(__MAVERICK__) /* 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 #ifdef __SPU__ #define __IEEE_BIG_ENDIAN #define isfinite(y) \ (__extension__ ({__typeof__(y) __y = (y); \ (sizeof (__y) == sizeof (float)) ? (1) : \ fpclassify(__y) != FP_INFINITE && fpclassify(__y) != FP_NAN;})) #define isinf(x) \ (__extension__ ({__typeof__(x) __x = (x); \ (sizeof (__x) == sizeof (float)) ? (0) : __isinfd(__x);})) #define isnan(x) \ (__extension__ ({__typeof__(x) __x = (x); \ (sizeof (__x) == sizeof (float)) ? (0) : __isnand(__x);})) /* * Macros for use in ieeefp.h. We can't just define the real ones here * (like those above) as we have name space issues when this is *not* * included via generic the ieeefp.h. */ #define __ieeefp_isnanf(x) 0 #define __ieeefp_isinff(x) 0 #define __ieeefp_finitef(x) 1 #endif #ifdef __sparc__ #ifdef __LITTLE_ENDIAN_DATA__ #define __IEEE_LITTLE_ENDIAN #else #define __IEEE_BIG_ENDIAN #endif #endif #if defined(__m68k__) || defined(__mc68000__) #define __IEEE_BIG_ENDIAN #endif #if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__) #define __IEEE_BIG_ENDIAN #ifdef __HAVE_SHORT_DOUBLE__ # define _DOUBLE_IS_32BITS #endif #endif #if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__) || defined (__H8500__) || defined (__H8300SX__) #define __IEEE_BIG_ENDIAN #define _FLOAT_ARG float #define _DOUBLE_IS_32BITS #endif #ifdef __sh__ #ifdef __LITTLE_ENDIAN__ #define __IEEE_LITTLE_ENDIAN #else #define __IEEE_BIG_ENDIAN #endif #if defined(__SH2E__) || defined(__SH3E__) || defined(__SH4_SINGLE_ONLY__) || defined(__SH2A_SINGLE_ONLY__) #define _DOUBLE_IS_32BITS #endif #endif #ifdef _AM29K #define __IEEE_BIG_ENDIAN #endif #ifdef _WIN32 #define __IEEE_LITTLE_ENDIAN #endif #ifdef __i386__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __i960__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __lm32__ #define __IEEE_BIG_ENDIAN #endif #ifdef __M32R__ #define __IEEE_BIG_ENDIAN #endif #if defined(_C4x) || defined(_C3x) #define __IEEE_BIG_ENDIAN #define _DOUBLE_IS_32BITS #endif #ifdef __TIC80__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __MIPSEL__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __MIPSEB__ #define __IEEE_BIG_ENDIAN #endif #ifdef __MMIX__ #define __IEEE_BIG_ENDIAN #endif #ifdef __D30V__ #define __IEEE_BIG_ENDIAN #endif /* necv70 was __IEEE_LITTLE_ENDIAN. */ #ifdef __W65__ #define __IEEE_LITTLE_ENDIAN #define _DOUBLE_IS_32BITS #endif #if defined(__Z8001__) || defined(__Z8002__) #define __IEEE_BIG_ENDIAN #endif #ifdef __m88k__ #define __IEEE_BIG_ENDIAN #endif #ifdef __mn10300__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __mn10200__ #define __IEEE_LITTLE_ENDIAN #define _DOUBLE_IS_32BITS #endif #ifdef __v800 #define __IEEE_LITTLE_ENDIAN #endif #ifdef __v850 #define __IEEE_LITTLE_ENDIAN #endif #ifdef __D10V__ #define __IEEE_BIG_ENDIAN #if __DOUBLE__ == 32 #define _DOUBLE_IS_32BITS #endif #endif #ifdef __PPC__ #if (defined(_BIG_ENDIAN) && _BIG_ENDIAN) || (defined(_AIX) && _AIX) #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 __xstormy16__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __arc__ #ifdef __big_endian__ #define __IEEE_BIG_ENDIAN #else #define __IEEE_LITTLE_ENDIAN #endif #endif #ifdef __CRX__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __fr30__ #define __IEEE_BIG_ENDIAN #endif #ifdef __mcore__ #define __IEEE_BIG_ENDIAN #endif #ifdef __mt__ #define __IEEE_BIG_ENDIAN #endif #ifdef __frv__ #define __IEEE_BIG_ENDIAN #endif #ifdef __ia64__ #ifdef __BIG_ENDIAN__ #define __IEEE_BIG_ENDIAN #else #define __IEEE_LITTLE_ENDIAN #endif #endif #ifdef __AVR__ #define __IEEE_LITTLE_ENDIAN #define _DOUBLE_IS_32BITS #endif #if defined(__or32__) || defined(__or1k__) || defined(__or16__) #define __IEEE_BIG_ENDIAN #endif #ifdef __IP2K__ #define __IEEE_BIG_ENDIAN #define __SMALL_BITFIELDS #define _DOUBLE_IS_32BITS #endif #ifdef __iq2000__ #define __IEEE_BIG_ENDIAN #endif #ifdef __MAVERICK__ #ifdef __ARMEL__ # define __IEEE_LITTLE_ENDIAN #else /* must be __ARMEB__ */ # define __IEEE_BIG_ENDIAN #endif /* __ARMEL__ */ #endif /* __MAVERICK__ */ #ifdef __m32c__ #define __IEEE_LITTLE_ENDIAN #define __SMALL_BITFIELDS #endif #ifdef __CRIS__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __BFIN__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __x86_64__ #define __IEEE_LITTLE_ENDIAN #endif #ifdef __mep__ #ifdef __LITTLE_ENDIAN__ #define __IEEE_LITTLE_ENDIAN #else #define __IEEE_BIG_ENDIAN #endif #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 */