2000-02-18 03:39:52 +08:00
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#ifndef __IEEE_BIG_ENDIAN
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#ifndef __IEEE_LITTLE_ENDIAN
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2001-04-04 21:33:01 +08:00
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/* This file can define macros to choose variations of the IEEE float
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format:
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_FLT_LARGEST_EXPONENT_IS_NORMAL
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Defined if the float format uses the largest exponent for finite
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numbers rather than NaN and infinity representations. Such a
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format cannot represent NaNs or infinities at all, but it's FLT_MAX
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is twice the IEEE value.
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_FLT_NO_DENORMALS
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Defined if the float format does not support IEEE denormals. Every
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float with a zero exponent is taken to be a zero representation.
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2002-07-16 05:35:44 +08:00
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??? At the moment, there are no equivalent macros above for doubles and
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the macros are not fully supported by --enable-newlib-hw-fp.
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2001-04-04 21:33:01 +08:00
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2002-07-16 05:35:44 +08:00
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__IEEE_BIG_ENDIAN
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Defined if the float format is big endian. This is mutually exclusive
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with __IEEE_LITTLE_ENDIAN.
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__IEEE_LITTLE_ENDIAN
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Defined if the float format is little endian. This is mutually exclusive
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with __IEEE_BIG_ENDIAN.
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Note that one of __IEEE_BIG_ENDIAN or __IEEE_LITTLE_ENDIAN must be specified for a
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platform or error will occur.
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__IEEE_BYTES_LITTLE_ENDIAN
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This flag is used in conjunction with __IEEE_BIG_ENDIAN to describe a situation
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whereby multiple words of an IEEE floating point are in big endian order, but the
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words themselves are little endian with respect to the bytes.
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2008-04-24 19:26:41 +08:00
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_DOUBLE_IS_32BITS
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2002-07-16 05:35:44 +08:00
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This is used on platforms that support double by using the 32-bit IEEE
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float type.
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_FLOAT_ARG
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This represents what type a float arg is passed as. It is used when the type is
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not promoted to double.
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*/
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2001-04-04 21:33:01 +08:00
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2003-02-21 03:14:12 +08:00
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#if (defined(__arm__) || defined(__thumb__)) && !defined(__MAVERICK__)
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2004-02-06 04:08:52 +08:00
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/* ARM traditionally used big-endian words; and within those words the
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byte ordering was big or little endian depending upon the target.
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Modern floating-point formats are naturally ordered; in this case
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2004-02-06 04:21:03 +08:00
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__VFP_FP__ will be defined, even if soft-float. */
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2004-02-06 04:08:52 +08:00
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#ifdef __VFP_FP__
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# ifdef __ARMEL__
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# define __IEEE_LITTLE_ENDIAN
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# else
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# define __IEEE_BIG_ENDIAN
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# endif
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#else
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2010-06-19 00:26:25 +08:00
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# define __IEEE_BIG_ENDIAN
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2004-02-06 04:08:52 +08:00
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# ifdef __ARMEL__
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# define __IEEE_BYTES_LITTLE_ENDIAN
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# endif
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2001-06-28 18:40:09 +08:00
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#endif
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2000-02-18 03:39:52 +08:00
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#endif
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2012-09-27 04:06:50 +08:00
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#if defined (__aarch64__)
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#if defined (__AARCH64EL__)
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#define __IEEE_LITTLE_ENDIAN
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#else
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#define __IEEE_BIG_ENDIAN
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#endif
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#endif
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2012-02-22 06:34:31 +08:00
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#ifdef __epiphany__
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#define __IEEE_LITTLE_ENDIAN
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#define Sudden_Underflow 1
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#endif
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2000-02-18 03:39:52 +08:00
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#ifdef __hppa__
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#define __IEEE_BIG_ENDIAN
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#endif
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2006-08-17 05:39:43 +08:00
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#ifdef __SPU__
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#define __IEEE_BIG_ENDIAN
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2010-02-12 05:03:51 +08:00
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#define isfinite(__y) \
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(__extension__ ({int __cy; \
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(sizeof (__y) == sizeof (float)) ? (1) : \
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(__cy = fpclassify(__y)) != FP_INFINITE && __cy != FP_NAN;}))
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2009-07-10 01:04:56 +08:00
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#define isinf(__x) ((sizeof (__x) == sizeof (float)) ? (0) : __isinfd(__x))
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#define isnan(__x) ((sizeof (__x) == sizeof (float)) ? (0) : __isnand(__x))
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2007-04-27 03:23:37 +08:00
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/*
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* Macros for use in ieeefp.h. We can't just define the real ones here
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* (like those above) as we have name space issues when this is *not*
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* included via generic the ieeefp.h.
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*/
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#define __ieeefp_isnanf(x) 0
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#define __ieeefp_isinff(x) 0
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#define __ieeefp_finitef(x) 1
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#endif
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2006-08-17 05:39:43 +08:00
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2000-02-18 03:39:52 +08:00
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#ifdef __sparc__
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#ifdef __LITTLE_ENDIAN_DATA__
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#define __IEEE_LITTLE_ENDIAN
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#else
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#define __IEEE_BIG_ENDIAN
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#endif
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#endif
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#if defined(__m68k__) || defined(__mc68000__)
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#define __IEEE_BIG_ENDIAN
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#endif
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2002-07-24 23:44:24 +08:00
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#if defined(__mc68hc11__) || defined(__mc68hc12__) || defined(__mc68hc1x__)
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#define __IEEE_BIG_ENDIAN
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#ifdef __HAVE_SHORT_DOUBLE__
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# define _DOUBLE_IS_32BITS
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#endif
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#endif
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2004-06-23 05:54:52 +08:00
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#if defined (__H8300__) || defined (__H8300H__) || defined (__H8300S__) || defined (__H8500__) || defined (__H8300SX__)
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2000-02-18 03:39:52 +08:00
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#define __IEEE_BIG_ENDIAN
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2002-07-16 05:35:44 +08:00
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#define _FLOAT_ARG float
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2000-02-18 03:39:52 +08:00
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#define _DOUBLE_IS_32BITS
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#endif
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2009-12-11 01:12:11 +08:00
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#if defined (__xc16x__) || defined (__xc16xL__) || defined (__xc16xS__)
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#define __IEEE_LITTLE_ENDIAN
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#define _FLOAT_ARG float
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#define _DOUBLE_IS_32BITS
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#endif
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2000-02-18 03:39:52 +08:00
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#ifdef __sh__
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#ifdef __LITTLE_ENDIAN__
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#define __IEEE_LITTLE_ENDIAN
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#else
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#define __IEEE_BIG_ENDIAN
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#endif
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2004-07-30 17:03:39 +08:00
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#if defined(__SH2E__) || defined(__SH3E__) || defined(__SH4_SINGLE_ONLY__) || defined(__SH2A_SINGLE_ONLY__)
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2000-02-18 03:39:52 +08:00
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#define _DOUBLE_IS_32BITS
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#endif
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#endif
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#ifdef _AM29K
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#define __IEEE_BIG_ENDIAN
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#endif
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#ifdef _WIN32
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __i386__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __i960__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2008-12-12 04:05:38 +08:00
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#ifdef __lm32__
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#define __IEEE_BIG_ENDIAN
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#endif
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2000-02-18 03:39:52 +08:00
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#ifdef __M32R__
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#define __IEEE_BIG_ENDIAN
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#endif
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2004-02-03 00:59:53 +08:00
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#if defined(_C4x) || defined(_C3x)
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#define __IEEE_BIG_ENDIAN
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#define _DOUBLE_IS_32BITS
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#endif
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2010-10-09 10:33:30 +08:00
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#ifdef __TMS320C6X__
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#ifdef _BIG_ENDIAN
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#define __IEEE_BIG_ENDIAN
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#else
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#endif
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2000-02-18 03:39:52 +08:00
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#ifdef __TIC80__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __MIPSEL__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __MIPSEB__
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#define __IEEE_BIG_ENDIAN
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#endif
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2001-11-12 Hans-Peter Nilsson <hp@bitrange.com>
* libc/include/machine/ieeefp.h: Add support for mmix target.
* libc/include/machine/setjmp.h: Ditto.
* configure.host: Ditto.
* libc/sys/mmixware/Makefile.am, libc/sys/mmixware/_exit.c,
libc/sys/mmixware/access.c, libc/sys/mmixware/aclocal.m4,
libc/sys/mmixware/chmod.c, libc/sys/mmixware/chown.c,
libc/sys/mmixware/close.c, libc/sys/mmixware/configure.in,
libc/sys/mmixware/creat.c, libc/sys/mmixware/crt0.c,
libc/sys/mmixware/execv.c, libc/sys/mmixware/execve.c,
libc/sys/mmixware/fork.c, libc/sys/mmixware/fstat.c,
libc/sys/mmixware/getpid.c, libc/sys/mmixware/gettime.c,
libc/sys/mmixware/isatty.c, libc/sys/mmixware/kill.c,
libc/sys/mmixware/lseek.c, libc/sys/mmixware/open.c,
libc/sys/mmixware/pipe.c, libc/sys/mmixware/read.c,
libc/sys/mmixware/sbrk.c, libc/sys/mmixware/setjmp.S,
libc/sys/mmixware/stat.c, libc/sys/mmixware/sys/syscall.h,
libc/sys/mmixware/time.c, libc/sys/mmixware/times.c,
libc/sys/mmixware/unlink.c, libc/sys/mmixware/utime.c,
libc/sys/mmixware/wait.c, libc/sys/mmixware/write.c: New files.
* libc/sys/mmixware/configure, libc/sys/mmixware/Makefile.in,
libc/sys/mmixware/aclocal.m4: Generate.
2001-11-13 05:04:41 +08:00
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#ifdef __MMIX__
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#define __IEEE_BIG_ENDIAN
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#endif
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2002-07-16 05:35:44 +08:00
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#ifdef __D30V__
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#define __IEEE_BIG_ENDIAN
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#endif
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2000-02-18 03:39:52 +08:00
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/* necv70 was __IEEE_LITTLE_ENDIAN. */
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#ifdef __W65__
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#define __IEEE_LITTLE_ENDIAN
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#define _DOUBLE_IS_32BITS
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#endif
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#if defined(__Z8001__) || defined(__Z8002__)
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#define __IEEE_BIG_ENDIAN
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#endif
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#ifdef __m88k__
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#define __IEEE_BIG_ENDIAN
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#endif
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#ifdef __mn10300__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __mn10200__
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#define __IEEE_LITTLE_ENDIAN
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#define _DOUBLE_IS_32BITS
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#endif
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#ifdef __v800
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __v850
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#ifdef __D10V__
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#define __IEEE_BIG_ENDIAN
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2002-01-08 03:33:23 +08:00
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#if __DOUBLE__ == 32
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2000-02-18 03:39:52 +08:00
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#define _DOUBLE_IS_32BITS
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2002-01-08 03:33:23 +08:00
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#endif
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2000-02-18 03:39:52 +08:00
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#endif
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#ifdef __PPC__
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#if (defined(_BIG_ENDIAN) && _BIG_ENDIAN) || (defined(_AIX) && _AIX)
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#define __IEEE_BIG_ENDIAN
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#else
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#if (defined(_LITTLE_ENDIAN) && _LITTLE_ENDIAN) || (defined(__sun__) && __sun__) || (defined(_WIN32) && _WIN32)
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#endif
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#endif
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2002-07-16 05:35:44 +08:00
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#ifdef __xstormy16__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2000-02-18 03:39:52 +08:00
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#ifdef __arc__
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#ifdef __big_endian__
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#define __IEEE_BIG_ENDIAN
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#else
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#endif
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2004-10-06 03:44:24 +08:00
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#ifdef __CRX__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2000-02-18 03:39:52 +08:00
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#ifdef __fr30__
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#define __IEEE_BIG_ENDIAN
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#endif
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#ifdef __mcore__
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#define __IEEE_BIG_ENDIAN
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#endif
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2005-12-14 06:57:31 +08:00
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#ifdef __mt__
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2005-07-06 21:14:10 +08:00
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#define __IEEE_BIG_ENDIAN
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#endif
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2002-06-19 05:20:28 +08:00
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#ifdef __frv__
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#define __IEEE_BIG_ENDIAN
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#endif
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2009-04-23 03:52:49 +08:00
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#ifdef __moxie__
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2012-09-14 07:57:33 +08:00
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#ifdef __MOXIE_BIG_ENDIAN__
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2009-04-23 03:52:49 +08:00
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#define __IEEE_BIG_ENDIAN
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2012-09-14 07:57:33 +08:00
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#else
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2009-04-23 03:52:49 +08:00
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#endif
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2000-05-11 10:28:06 +08:00
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#ifdef __ia64__
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#ifdef __BIG_ENDIAN__
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#define __IEEE_BIG_ENDIAN
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#else
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#define __IEEE_LITTLE_ENDIAN
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#endif
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#endif
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2000-02-18 03:39:52 +08:00
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2000-06-28 03:51:33 +08:00
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#ifdef __AVR__
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#define __IEEE_LITTLE_ENDIAN
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#define _DOUBLE_IS_32BITS
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#endif
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2000-12-05 02:22:10 +08:00
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#if defined(__or32__) || defined(__or1k__) || defined(__or16__)
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#define __IEEE_BIG_ENDIAN
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#endif
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2003-01-18 16:55:07 +08:00
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#ifdef __IP2K__
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#define __IEEE_BIG_ENDIAN
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#define __SMALL_BITFIELDS
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#define _DOUBLE_IS_32BITS
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#endif
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2003-06-10 23:32:27 +08:00
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#ifdef __iq2000__
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#define __IEEE_BIG_ENDIAN
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#endif
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2003-02-21 03:14:12 +08:00
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#ifdef __MAVERICK__
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#ifdef __ARMEL__
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# define __IEEE_LITTLE_ENDIAN
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#else /* must be __ARMEB__ */
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# define __IEEE_BIG_ENDIAN
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#endif /* __ARMEL__ */
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#endif /* __MAVERICK__ */
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2005-08-11 04:35:13 +08:00
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#ifdef __m32c__
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#define __IEEE_LITTLE_ENDIAN
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#define __SMALL_BITFIELDS
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#endif
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2005-01-27 Hans-Peter Nilsson <hp@axis.com>
* configure.host: Add support for cris-*-* and crisv32-*-*.
* libc/include/machine/ieeefp.h: Ditto.
* libc/include/machine/setjmp.h: Ditto.
* libc/machine/cris/configure.in, libc/machine/cris/Makefile.am,
libc/machine/cris/libcdtor.c, libc/machine/cris/setjmp.c,
libc/machine/cris/memmove.c, libc/machine/cris/memcpy.c,
libc/machine/cris/memset.c, libc/machine/cris/include/pthread.h,
libc/machine/cris/sys/signal.h, libc/machine/cris/sys/fcntl.h,
libc/machine/cris/sys/errno.h, libc/machine/cris/aclocal.m4,
libc/machine/cris/configure, libc/machine/cris/Makefile.in: New
files.
2005-01-28 07:54:46 +08:00
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#ifdef __CRIS__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2006-11-09 03:26:43 +08:00
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#ifdef __BFIN__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2007-08-29 05:56:50 +08:00
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#ifdef __x86_64__
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#define __IEEE_LITTLE_ENDIAN
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#endif
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2007-11-08 05:42:24 +08:00
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#ifdef __mep__
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#ifdef __LITTLE_ENDIAN__
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#define __IEEE_LITTLE_ENDIAN
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#else
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#define __IEEE_BIG_ENDIAN
|
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#endif
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#endif
|
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2009-09-28 Michael Eager <eager@eagercon.com>
* configure.host: Add microblaze.
* libc/include/machine/ieeefp.h [MICROBLAZE]: Define __IEEE_BIG_ENDIAN.
* libc/include/machine/setjmp.h [MICROBLAZE]: Define _JBLEN, _JBTYPE.
* libc/include/sys/config.h [MICROBLAZE]: Define _REENT_SMALL,
_UNIX98_THREAD_MUTEX_ATTRIBUTES.
* libc/include/sys/types.h: Treat XMK like rtems, define
PTHREAD_MUTEX_NORMAL, PTHREAD_MUTEX_ERRORCHECK, PTHREAD_MUTEX_RECURSIVE,
PTHREAD_MUTEX_DEFAULT, PTHREAD_STACK_MIN, define stuct pthread_attr_s.
* libc/machine/configure.in: Add microblaze.
* libc/machine/configure: Add microblaze (not regenerated).
* libc/machine/microblaze/configure.in: NEW.
* libc/machine/microblaze/configure: Generate.
* libc/machine/microblaze/Makefile.am: NEW.
* libc/machine/microblaze/Makefile.in: Generate.
* libc/machine/microblaze/{abort.c, strcmp.c, strcpy.c, strlen.c,
mallocr.c, longjmp.S, setjmp.S}: NEW.
* libc/stdlib/mallocr.c [MICROBLAZE]: Don't declare sbrk prototype,
mALLOc(): return malloc value.
2009-09-29 00:42:21 +08:00
|
|
|
#ifdef __MICROBLAZE__
|
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|
#define __IEEE_BIG_ENDIAN
|
|
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|
|
#endif
|
|
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|
|
2013-05-14 05:39:51 +08:00
|
|
|
#ifdef __MSP430__
|
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|
|
#define __IEEE_LITTLE_ENDIAN
|
|
|
|
|
#define __SMALL_BITFIELDS /* 16 Bit INT */
|
|
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|
|
#endif
|
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|
|
2011-11-29 14:33:49 +08:00
|
|
|
#ifdef __RL78__
|
|
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|
|
#define __IEEE_LITTLE_ENDIAN
|
|
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|
|
#define __SMALL_BITFIELDS /* 16 Bit INT */
|
|
|
|
|
#define _DOUBLE_IS_32BITS
|
|
|
|
|
#endif
|
|
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|
|
2009-10-26 18:05:23 +08:00
|
|
|
#ifdef __RX__
|
|
|
|
|
|
|
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|
|
#ifdef __RX_BIG_ENDIAN__
|
|
|
|
|
#define __IEEE_BIG_ENDIAN
|
|
|
|
|
#else
|
|
|
|
|
#define __IEEE_LITTLE_ENDIAN
|
|
|
|
|
#endif
|
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|
|
#ifndef __RX_64BIT_DOUBLES__
|
|
|
|
|
#define _DOUBLE_IS_32BITS
|
|
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|
|
#endif
|
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|
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|
|
#ifdef __RX_16BIT_INTS__
|
|
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|
|
#define __SMALL_BITFIELDS
|
|
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|
|
#endif
|
|
|
|
|
|
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|
|
|
#endif
|
|
|
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|
|
2010-12-03 03:30:47 +08:00
|
|
|
#if (defined(__CR16__) || defined(__CR16C__) ||defined(__CR16CP__))
|
|
|
|
|
#define __IEEE_LITTLE_ENDIAN
|
|
|
|
|
#define __SMALL_BITFIELDS /* 16 Bit INT */
|
|
|
|
|
#endif
|
|
|
|
|
|
2013-05-07 02:23:09 +08:00
|
|
|
#ifdef __NIOS2__
|
|
|
|
|
# ifdef __nios2_big_endian__
|
|
|
|
|
# define __IEEE_BIG_ENDIAN
|
|
|
|
|
# else
|
|
|
|
|
# define __IEEE_LITTLE_ENDIAN
|
|
|
|
|
# endif
|
|
|
|
|
#endif
|
|
|
|
|
|
2000-02-18 03:39:52 +08:00
|
|
|
#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 */
|
|
|
|
|
|
