gcc/config/rs6000/e500.h

   1 /* Enable E500 support.
   2    Copyright (C) 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
   3    This file is part of GCC.
   4
   5    GCC is free software; you can redistribute it and/or modify it
   6    under the terms of the GNU General Public License as published
   7    by the Free Software Foundation; either version 2, or (at your
   8    option) any later version.
   9
  10    GCC is distributed in the hope that it will be useful, but WITHOUT
  11    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  12    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  13    License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with GCC; see the file COPYING.  If not, write to the
  17    Free Software Foundation, 51 Franklin Street, Fifth Floor, Boston,
  18    MA 02110-1301, USA.  */
  19
  20 #undef TARGET_SPE_ABI
  21 #undef TARGET_SPE
  22 #undef TARGET_E500
  23 #undef TARGET_ISEL
  24 #undef TARGET_FPRS
  25 #undef TARGET_E500_SINGLE
  26 #undef TARGET_E500_DOUBLE
  27 #undef CHECK_E500_OPTIONS
  28
  29 #define TARGET_SPE_ABI rs6000_spe_abi
  30 #define TARGET_SPE rs6000_spe
  31 #define TARGET_E500 (rs6000_cpu == PROCESSOR_PPC8540)
  32 #define TARGET_ISEL rs6000_isel
  33 #define TARGET_FPRS (rs6000_float_gprs == 0)
  34 #define TARGET_E500_SINGLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 1)
  35 #define TARGET_E500_DOUBLE (TARGET_HARD_FLOAT && rs6000_float_gprs == 2)
  36 #define CHECK_E500_OPTIONS                                              \
  37   do {                                                                  \
  38     if (TARGET_E500 || TARGET_SPE || TARGET_SPE_ABI || TARGET_ISEL      \
  39         || TARGET_E500_SINGLE || TARGET_E500_DOUBLE)                    \
  40       {                                                                 \
  41         if (TARGET_ALTIVEC)                                             \
  42           error ("AltiVec and E500 instructions cannot coexist");       \
  43         if (TARGET_64BIT)                                               \
  44           error ("64-bit E500 not supported");                          \
  45         if (TARGET_HARD_FLOAT && TARGET_FPRS)                           \
  46           error ("E500 and FPRs not supported");                        \
  47       }                                                                 \
  48   } while (0)