gcc/config/rs6000/singlefp.h

   1 /* Definitions for PowerPC single-precision floating point unit
   2    such as Xilinx PowerPC 405/440 APU.
   3
   4    Copyright (C) 2008-2013 Free Software Foundation, Inc.
   5    Contributed by Michael Eager (eager@eagercon.com)
   6
   7    This file is part of GCC.
   8
   9    GCC is free software; you can redistribute it and/or modify it
  10    under the terms of the GNU General Public License as published
  11    by the Free Software Foundation; either version 3, or (at your
  12    option) any later version.
  13
  14    GCC is distributed in the hope that it will be useful, but WITHOUT
  15    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  16    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  17    License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with GCC; see the file COPYING3.  If not see
  21    <http://www.gnu.org/licenses/>.  */
  22
  23
  24 /* Undefine definitions from rs6000.h. */
  25 #undef TARGET_SINGLE_FLOAT
  26 #undef TARGET_DOUBLE_FLOAT
  27 #undef TARGET_SINGLE_FPU
  28 #undef TARGET_SIMPLE_FPU
  29 #undef UNITS_PER_FP_WORD
  30
  31 /* FPU operations supported.
  32    If TARGET_SINGLE_FPU set, processor supports single fp options. */
  33 #define TARGET_SINGLE_FLOAT (rs6000_single_float)
  34 #define TARGET_DOUBLE_FLOAT (rs6000_double_float)
  35 #define TARGET_SINGLE_FPU   1
  36 #define TARGET_SIMPLE_FPU   (rs6000_simple_fpu)
  37
  38 /* FP word width depends on single/double fp support. */
  39 #define UNITS_PER_FP_WORD ((TARGET_SOFT_FLOAT || TARGET_DOUBLE_FLOAT) ? 8 : 4)
  40