text: #define _FP_W_TYPE_SIZE		64
  #define _FP_W_TYPE		unsigned long
  #define _FP_WS_TYPE		signed long
  #define _FP_I_TYPE		long
  
  typedef int TItype __attribute__ ((mode (TI)));
  typedef unsigned int UTItype __attribute__ ((mode (TI)));
  
  #define TI_BITS (__CHAR_BIT__ * (int)sizeof(TItype))
  
  /* The type of the result of a floating point comparison.  This must
     match `__libgcc_cmp_return__' in GCC for the target.  */
  #define CMPtype			long
  
  #define _FP_MUL_MEAT_Q(R,X,Y)                           \
    _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  
  #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_2_udiv(Q,R,X,Y)
  
  #define _FP_NANFRAC_S		_FP_QNANBIT_S
  #define _FP_NANFRAC_D		_FP_QNANBIT_D
  #define _FP_NANFRAC_E		_FP_QNANBIT_E, 0
  #define _FP_NANFRAC_Q		_FP_QNANBIT_Q, 0
  #define _FP_NANSIGN_S		1
  #define _FP_NANSIGN_D		1
  #define _FP_NANSIGN_E		1
  #define _FP_NANSIGN_Q		1
  
  #define _FP_KEEPNANFRACP 1
  
  /* Here is something Intel misdesigned: the specs don't define
     the case where we have two NaNs with same mantissas, but
     different sign. Different operations pick up different NaNs.  */
  #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
    do {								\
      if (_FP_FRAC_GT_##wc(X, Y)					\
  	|| (_FP_FRAC_EQ_##wc(X,Y) && (OP == '+' || OP == '*')))	\
        {								\
  	R##_s = X##_s;						\
          _FP_FRAC_COPY_##wc(R,X);				\
        }								\
      else							\
        {								\
  	R##_s = Y##_s;						\
          _FP_FRAC_COPY_##wc(R,Y);				\
        }								\
      R##_c = FP_CLS_NAN;						\
    } while (0)
  
  #define FP_EX_INVALID		0x01
  #define FP_EX_DENORM		0x02
  #define FP_EX_DIVZERO		0x04
  #define FP_EX_OVERFLOW		0x08
  #define FP_EX_UNDERFLOW		0x10
  #define FP_EX_INEXACT		0x20
  
  struct fenv
  {
    unsigned short int __control_word;
    unsigned short int __unused1;
    unsigned short int __status_word;
    unsigned short int __unused2;
    unsigned short int __tags;
    unsigned short int __unused3;
    unsigned int __eip;
    unsigned short int __cs_selector;
    unsigned int __opcode:11;
    unsigned int __unused4:5;
    unsigned int __data_offset;
    unsigned short int __data_selector;
    unsigned short int __unused5;
  };
  
  #define FP_HANDLE_EXCEPTIONS						\
    do {									\
      if (_fex & FP_EX_INVALID)						\
        {									\
  	float f = 0.0;							\
  	__asm__ __volatile__ ("divss %0, %0 " : : "x" (f));		\
        }									\
      if (_fex & FP_EX_DIVZERO)						\
        {									\
  	float f = 1.0, g = 0.0;						\
  	__asm__ __volatile__ ("divss %1, %0" : : "x" (f), "x" (g));	\
        }									\
      if (_fex & FP_EX_OVERFLOW)						\
        {									\
  	struct fenv temp;						\
  	__asm__ __volatile__ ("fnstenv %0" : "=m" (temp));		\
  	temp.__status_word |= FP_EX_OVERFLOW;				\
  	__asm__ __volatile__ ("fldenv %0" : : "m" (temp));		\
  	__asm__ __volatile__ ("fwait");					\
        }									\
      if (_fex & FP_EX_UNDERFLOW)						\
        {									\
  	struct fenv temp;						\
  	__asm__ __volatile__ ("fnstenv %0" : "=m" (temp));		\
  	temp.__status_word |= FP_EX_UNDERFLOW;				\
  	__asm__ __volatile__ ("fldenv %0" : : "m" (temp));		\
  	__asm__ __volatile__ ("fwait");					\
        }									\
      if (_fex & FP_EX_INEXACT)						\
        {									\
  	struct fenv temp;						\
  	__asm__ __volatile__ ("fnstenv %0" : "=m" (temp));		\
  	temp.__status_word |= FP_EX_INEXACT;				\
  	__asm__ __volatile__ ("fldenv %0" : : "m" (temp));		\
  	__asm__ __volatile__ ("fwait");					\
        }									\
    } while (0)
  
  #define FP_RND_NEAREST		0
  #define FP_RND_ZERO		0xc00
  #define FP_RND_PINF		0x800
  #define FP_RND_MINF		0x400
  
  #define _FP_DECL_EX \
    unsigned short _fcw __attribute__ ((unused)) = FP_RND_NEAREST
  
  #define FP_INIT_ROUNDMODE			\
    do {						\
      __asm__ ("fnstcw %0" : "=m" (_fcw));	\
    } while (0)
  
  #define FP_ROUNDMODE		(_fcw & 0xc00)
  
  #define	__LITTLE_ENDIAN	1234
  #define	__BIG_ENDIAN	4321
  
  #define __BYTE_ORDER __LITTLE_ENDIAN
  
  /* Define ALIASNAME as a strong alias for NAME.  */
  #if defined __MACH__
  /* Mach-O doesn't support aliasing.  If these functions ever return
     anything but CMPtype we need to revisit this... */
  #define strong_alias(name, aliasname) \
    CMPtype aliasname (TFtype a, TFtype b) { return name(a, b); }
  #else
  # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
  # define _strong_alias(name, aliasname) \
    extern __typeof (name) aliasname __attribute__ ((alias (#name)));
  #endif
  