sysdeps/powerpc/soft-fp/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_loop(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
  26 /* Someone please check this.  */
  27 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
  28   do {                                                          \
  29     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)          \
  30         && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))     \
  31       {                                                         \
  32         R##_s = Y##_s;                                          \
  33         _FP_FRAC_COPY_##wc(R,Y);                                \
  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 /* Exception flags.  We use the bit positions of the appropriate bits
  44    in the FPSCR, which also correspond to the FE_* bits.  This makes
  45    everything easier ;-).  */
  46 #define FP_EX_INVALID         (1 << (31 - 2))
  47 #define FP_EX_OVERFLOW        (1 << (31 - 3))
  48 #define FP_EX_UNDERFLOW       (1 << (31 - 4))
  49 #define FP_EX_DENORM          FP_EX_UNDERFLOW
  50 #define FP_EX_DIVZERO         (1 << (31 - 5))
  51 #define FP_EX_INEXACT         (1 << (31 - 6))
  52
  53 #define FP_HANDLE_EXCEPTIONS  __simulate_exceptions (_fex)
  54 #define FP_ROUNDMODE          __sim_round_mode
  55
  56 extern int __sim_exceptions;
  57 libc_hidden_proto (__sim_exceptions);
  58 extern int __sim_disabled_exceptions;
  59 libc_hidden_proto (__sim_disabled_exceptions);
  60 extern int __sim_round_mode;
  61 libc_hidden_proto (__sim_round_mode);
  62
  63 extern void __simulate_exceptions (int x) attribute_hidden;