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
  31 /* Someone please check this.  */
  32 #define _FP_CHOOSENAN(fs, wc, R, X, Y, OP)                      \
  33   do {                                                          \
  34     if ((_FP_FRAC_HIGH_RAW_##fs(X) & _FP_QNANBIT_##fs)          \
  35         && !(_FP_FRAC_HIGH_RAW_##fs(Y) & _FP_QNANBIT_##fs))     \
  36       {                                                         \
  37         R##_s = Y##_s;                                          \
  38         _FP_FRAC_COPY_##wc(R,Y);                                \
  39       }                                                         \
  40     else                                                        \
  41       {                                                         \
  42         R##_s = X##_s;                                          \
  43         _FP_FRAC_COPY_##wc(R,X);                                \
  44       }                                                         \
  45     R##_c = FP_CLS_NAN;                                         \
  46   } while (0)
  47
  48 #define __LITTLE_ENDIAN 1234
  49 #define __BIG_ENDIAN    4321
  50
  51 #if defined __BIG_ENDIAN__ || defined _BIG_ENDIAN
  52 # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
  53 #  error "Both BIG_ENDIAN and LITTLE_ENDIAN defined!"
  54 # endif
  55 # define __BYTE_ORDER __BIG_ENDIAN
  56 #else
  57 # if defined __LITTLE_ENDIAN__ || defined _LITTLE_ENDIAN
  58 #  define __BYTE_ORDER __LITTLE_ENDIAN
  59 # else
  60 #  error "Cannot determine current byte order"
  61 # endif
  62 #endif
  63
  64
  65 /* Define ALIASNAME as a strong alias for NAME.  */
  66 # define strong_alias(name, aliasname) _strong_alias(name, aliasname)
  67 # define _strong_alias(name, aliasname) \
  68   extern __typeof (name) aliasname __attribute__ ((alias (#name)));