gcc/config/avr/avr-modes.def

   1 FRACTIONAL_INT_MODE (PSI, 24, 3);
   2
   3 /* On 8 bit machines it requires fewer instructions for fixed point
   4    routines if the decimal place is on a byte boundary which is not
   5    the default for signed accum types.  */
   6
   7 ADJUST_IBIT (HA, 7);
   8 ADJUST_FBIT (HA, 8);
   9
  10 ADJUST_IBIT (SA, 15);
  11 ADJUST_FBIT (SA, 16);
  12
  13 ADJUST_IBIT (DA, 31);
  14 ADJUST_FBIT (DA, 32);
  15
  16 /* Make TA and UTA 64 bits wide.
  17    128 bit wide modes would be insane on a 8-bit machine.
  18    This needs special treatment in avr.c and avr-lib.h.  */
  19
  20 ADJUST_BYTESIZE  (TA, 8);
  21 ADJUST_ALIGNMENT (TA, 1);
  22 ADJUST_IBIT (TA, 15);
  23 ADJUST_FBIT (TA, 48);
  24
  25 ADJUST_BYTESIZE  (UTA, 8);
  26 ADJUST_ALIGNMENT (UTA, 1);
  27 ADJUST_IBIT (UTA, 16);
  28 ADJUST_FBIT (UTA, 48);