include/asm-mips/sfp-machine.h

   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_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_udiv_norm(S,R,X,Y)
  14 #define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_2_udiv(D,R,X,Y)
  15 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
  16
  17 #define _FP_NANFRAC_S           ((_FP_QNANBIT_S << 1) - 1)
  18 #define _FP_NANFRAC_D           ((_FP_QNANBIT_D << 1) - 1), -1
  19 #define _FP_NANFRAC_Q           ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
  20 #define _FP_NANSIGN_S           0
  21 #define _FP_NANSIGN_D           0
  22 #define _FP_NANSIGN_Q           0
  23
  24 #define _FP_KEEPNANFRACP 1
  25 /* From my experiments it seems X is chosen unless one of the
  26    NaNs is sNaN,  in which case the result is NANSIGN/NANFRAC.  */
  27 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
  28   do {                                                          \
  29     if ((_FP_FRAC_HIGH_RAW_##fs(X) |                            \
  30          _FP_FRAC_HIGH_RAW_##fs(Y)) & _FP_QNANBIT_##fs)         \
  31       {                                                         \
  32         R##_s = _FP_NANSIGN_##fs;                               \
  33         _FP_FRAC_SET_##wc(R,_FP_NANFRAC_##fs);                  \
  34       }                                                         \
  35     else                                                        \
  36       {                                                         \
  37         R##_s = X##_s;                                          \
  38         _FP_FRAC_COPY_##wc(R,X);                                \
  39       }                                                         \
  40     R##_c = FP_CLS_NAN;                                         \
  41   } while (0)
  42
  43 #define FP_EX_INVALID           (1 << 4)
  44 #define FP_EX_DIVZERO           (1 << 3)
  45 #define FP_EX_OVERFLOW          (1 << 2)
  46 #define FP_EX_UNDERFLOW         (1 << 1)
  47 #define FP_EX_INEXACT           (1 << 0)