libc/newlib/libc/include/machine/ieeefp.h

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#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 for doubles and
the macros are not fully supported by --enable-newlib-hw-fp. */
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#if defined(__arm__) || defined(__thumb__)
/* ARM always has big-endian words. Within those words the byte ordering
will be big or little endian depending upon the target. */
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#define __IEEE_BIG_ENDIAN
#ifdef __ARMEL__
#define __IEEE_BYTES_LITTLE_ENDIAN
#endif
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#endif
#ifdef __hppa__
#define __IEEE_BIG_ENDIAN
#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 (__H8300__) || defined (__H8300H__) || defined (__H8300S__)
#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
#if defined(__SH3E__) || defined(__SH4_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 __M32R__
#define __IEEE_BIG_ENDIAN
#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
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/* 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 __mn10300__
#define __IEEE_LITTLE_ENDIAN
#endif
#ifdef __mn10200__
#define __IEEE_LITTLE_ENDIAN
#define __SMALL_BITFIELDS
#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
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#define _DOUBLE_IS_32BITS
#endif
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#define __SMALL_BITFIELDS
#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 __arc__
#ifdef __big_endian__
#define __IEEE_BIG_ENDIAN
#else
#define __IEEE_LITTLE_ENDIAN
#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
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#ifdef __AVR__
#define __IEEE_LITTLE_ENDIAN
#define __SMALL_BITFIELDS
#define _DOUBLE_IS_32BITS
#endif
#if defined(__or32__) || defined(__or1k__) || defined(__or16__)
#define __IEEE_BIG_ENDIAN
#endif
In newlib/: 2001-12-22 Geoffrey Keating <geoffk@redhat.com> Catherine Moore <clm@redhat.com> Richard Henderson <rth@redhat.com> Corinna Vinschen <vinschen@redhat.com> * configure.host: Add support for xstormy16. * libc/include/machine/ieeefp.h: Add support for xstormy16. * libc/include/machine/setjmp.h: Add support for xstormy16. * libc/include/sys/config.h: Add support for xstormy16. * libc/machine/xstormy16/Makefile.am: New file. * libc/machine/xstormy16/Makefile.in: New file. * libc/machine/xstormy16/aclocal.m4: New file. * libc/machine/xstormy16/configure: New file. * libc/machine/xstormy16/configure.in: New file. * libc/machine/xstormy16/setjmp.S: New file. In libgloss/: 2001-12-22 Geoffrey Keating <geoffk@redhat.com> Mark Salter <msalter@redhat.com> Catherine Moore <clm@redhat.com> Richard Henderson <rth@redhat.com> * configure.in: Add xstormy16. * libnosys/configure.in: Add xstormy16. * configure: Regenerated. * libnosys/configure: Regenerated. * xstormy16/Makefile.in: New file. * xstormy16/close.c: New file. * xstormy16/configure: New file. * xstormy16/configure.in: New file. * xstormy16/crt0.s: New file. * xstormy16/crt0_stub.s: New file. * xstormy16/crti.s: New file. * xstormy16/crtn.s: New file. * xstormy16/eva_app.c: New file. * xstormy16/eva_app.ld: New file. * xstormy16/eva_stub.ld: New file. * xstormy16/fstat.c: New file. * xstormy16/getpid.c: New file. * xstormy16/kill.c: New file. * xstormy16/lseek.c: New file. * xstormy16/open.c: New file. * xstormy16/sbrk.c: New file. * xstormy16/sim_high.ld: New file. * xstormy16/stat.c: New file. * xstormy16/syscalls.S: New file. * xstormy16/syscalls.m4: New file. * xstormy16/unlink.c: New file. * xstormy16/xstormy16_stub.c: New file.
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#ifdef __xstormy16__
#define __IEEE_LITTLE_ENDIAN
#define __SMALL_BITFIELDS
#endif
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#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 */