libgcc/config/rs6000/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 /* The type of the result of a floating point comparison.  This must
   7    match `__libgcc_cmp_return__' in GCC for the target.  */
   8 typedef int __gcc_CMPtype __attribute__ ((mode (__libgcc_cmp_return__)));
   9 #define CMPtype __gcc_CMPtype
  10
  11 #define _FP_MUL_MEAT_S(R,X,Y)                           \
  12   _FP_MUL_MEAT_1_wide(_FP_WFRACBITS_S,R,X,Y,umul_ppmm)
  13 #define _FP_MUL_MEAT_D(R,X,Y)                           \
  14   _FP_MUL_MEAT_2_wide(_FP_WFRACBITS_D,R,X,Y,umul_ppmm)
  15 #define _FP_MUL_MEAT_Q(R,X,Y)                           \
  16   _FP_MUL_MEAT_4_wide(_FP_WFRACBITS_Q,R,X,Y,umul_ppmm)
  17
  18 #define _FP_DIV_MEAT_S(R,X,Y)   _FP_DIV_MEAT_1_loop(S,R,X,Y)
  19 #define _FP_DIV_MEAT_D(R,X,Y)   _FP_DIV_MEAT_2_udiv(D,R,X,Y)
  20 #define _FP_DIV_MEAT_Q(R,X,Y)   _FP_DIV_MEAT_4_udiv(Q,R,X,Y)
  21
  22 #define _FP_NANFRAC_S           ((_FP_QNANBIT_S << 1) - 1)
  23 #define _FP_NANFRAC_D           ((_FP_QNANBIT_D << 1) - 1), -1
  24 #define _FP_NANFRAC_Q           ((_FP_QNANBIT_Q << 1) - 1), -1, -1, -1
  25 #define _FP_NANSIGN_S           0
  26 #define _FP_NANSIGN_D           0
  27 #define _FP_NANSIGN_Q           0
  28
  29 #define _FP_KEEPNANFRACP 1
  30 #define _FP_QNANNEGATEDP 0
  31
  32 /* Someone please check this.  */
  33 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
  34   do {                                                          \
  35     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)          \
  36         && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))     \
  37       {                                                         \
  38         R##_s = Y##_s;                                          \
  39         _FP_FRAC_COPY_##wc(R,Y);                                \
  40       }                                                         \
  41     else                                                        \
  42       {                                                         \
  43         R##_s = X##_s;                                          \
  44         _FP_FRAC_COPY_##wc(R,X);                                \
  45       }                                                         \
  46     R##_c = FP_CLS_NAN;                                         \
  47   } while (0)
  48
  49 #define _FP_TININESS_AFTER_ROUNDING 0
  50
  51 #define __LITTLE_ENDIAN 1234
  52 #define __BIG_ENDIAN    4321
  53
  54 #if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
  55 # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
  56 #  error "Both BIG_ENDIAN and LITTLE_ENDIAN defined!"
  57 # endif
  58 # define __BYTE_ORDER __BIG_ENDIAN
  59 #else
  60 # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
  61 #  define __BYTE_ORDER __LITTLE_ENDIAN
  62 # else
  63 #  error "Cannot determine current byte order"
  64 # endif
  65 #endif
  66
  67
  68 /* Define ALIASNAME as a strong alias for NAME.  */
  69 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
  70 # define _strong_alias(name, aliasname) \
  71   extern __typeof (name) aliasname __attribute__ ((alias (#name)));