1  #define _FP_W_TYPE_SIZE		32
       2  #define _FP_W_TYPE		unsigned long
       3  #define _FP_WS_TYPE		signed long
       4  #define _FP_I_TYPE		long
       5  
       6  #define _FP_MUL_MEAT_S(R,X,Y)				\
       7    _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
       8  #define _FP_MUL_MEAT_D(R,X,Y)				\
       9    _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
      10  #define _FP_MUL_MEAT_Q(R,X,Y)				\
      11    _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
      12  
      13  #define _FP_MUL_MEAT_DW_S(R,X,Y)				\
      14    _FP_MUL_MEAT_DW_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
      15  #define _FP_MUL_MEAT_DW_D(R,X,Y)				\
      16    _FP_MUL_MEAT_DW_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
      17  #define _FP_MUL_MEAT_DW_Q(R,X,Y)				\
      18    _FP_MUL_MEAT_DW_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
      19  
      20  #define _FP_DIV_MEAT_S(R,X,Y)	_FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
      21  #define _FP_DIV_MEAT_D(R,X,Y)	_FP_DIV_MEAT_2_udiv(D,R,X,Y)
      22  #define _FP_DIV_MEAT_Q(R,X,Y)	_FP_DIV_MEAT_4_udiv(Q,R,X,Y)
      23  
      24  #ifdef __mips_nan2008
      25  # define _FP_NANFRAC_S		((_FP_QNANBIT_S << 1) - 1)
      26  # define _FP_NANFRAC_D		((_FP_QNANBIT_D << 1) - 1), -1
      27  # define _FP_NANFRAC_Q		((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
      28  #else
      29  # define _FP_NANFRAC_S		(_FP_QNANBIT_S - 1)
      30  # define _FP_NANFRAC_D		(_FP_QNANBIT_D - 1), -1
      31  # define _FP_NANFRAC_Q		(_FP_QNANBIT_Q - 1), -1, -1, -1
      32  #endif
      33  #define _FP_NANSIGN_S		0
      34  #define _FP_NANSIGN_D		0
      35  #define _FP_NANSIGN_Q		0
      36  
      37  #define _FP_KEEPNANFRACP 1
      38  #ifdef __mips_nan2008
      39  # define _FP_QNANNEGATEDP 0
      40  #else
      41  # define _FP_QNANNEGATEDP 1
      42  #endif
      43  
      44  #ifdef __mips_nan2008
      45  /* NaN payloads should be preserved for NAN2008.  */
      46  # define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)	\
      47    do						\
      48      {						\
      49        R##_s = X##_s;				\
      50        _FP_FRAC_COPY_##wc (R, X);		\
      51        R##_c = FP_CLS_NAN;			\
      52      }						\
      53    while (0)
      54  #else
      55  /* From my experiments it seems X is chosen unless one of the
      56     NaNs is sNaN,  in which case the result is NANSIGN/NANFRAC.  */
      57  # define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)			\
      58    do {								\
      59      if ((_FP_FRAC_HIGH_RAW_##fs(X)				\
      60  	 | _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs)	\
      61        {								\
      62  	R##_s = _FP_NANSIGN_##fs;				\
      63          _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs);			\
      64        }								\
      65      else							\
      66        {								\
      67  	R##_s = X##_s;						\
      68          _FP_FRAC_COPY_##wc(R,X);				\
      69        }								\
      70      R##_c = FP_CLS_NAN;						\
      71    } while (0)
      72  #endif
      73  
      74  #define FP_EX_INVALID           (1 << 4)
      75  #define FP_EX_DIVZERO           (1 << 3)
      76  #define FP_EX_OVERFLOW          (1 << 2)
      77  #define FP_EX_UNDERFLOW         (1 << 1)
      78  #define FP_EX_INEXACT           (1 << 0)
      79  
      80  #define _FP_TININESS_AFTER_ROUNDING 1