gcc/config/microblaze/microblaze-c.c

   1 /* Subroutines used for the C front end for Xilinx MicroBlaze.
   2    Copyright (C) 2010-2013 Free Software Foundation, Inc.
   3
   4    Contributed by Michael Eager <eager@eagercon.com>.
   5
   6    This file is part of GCC.
   7
   8    GCC is free software; you can redistribute it and/or modify it
   9    under the terms of the GNU General Public License as published
  10    by the Free Software Foundation; either version 3, or (at your
  11    option) any later version.
  12
  13    GCC is distributed in the hope that it will be useful, but WITHOUT
  14    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  15    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public
  16    License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with GCC; see the file COPYING3.  If not see
  20    <http://www.gnu.org/licenses/>.  */
  21
  22 #include "config.h"
  23 #include "system.h"
  24 #include "coretypes.h"
  25 #include "tm.h"
  26 #include "cpplib.h"
  27 #include "tree.h"
  28 #include "c-family/c-common.h"
  29 #include "tm_p.h"
  30 #include "target.h"
  31
  32 #define builtin_define(TXT) cpp_define (pfile, TXT)
  33 #define builtin_assert(TXT) cpp_assert (pfile, TXT)
  34
  35 /* Define preprocessor symbols for MicroBlaze.
  36    Symbols which do not start with __ are deprecated.  */
  37
  38 void
  39 microblaze_cpp_define (cpp_reader *pfile)
  40 {
  41   builtin_assert ("cpu=microblaze");
  42   builtin_assert ("machine=microblaze");
  43   builtin_define ("__MICROBLAZE__");
  44   builtin_define ("__microblaze__");
  45   if (TARGET_LITTLE_ENDIAN)
  46     {
  47       builtin_define ("_LITTLE_ENDIAN");
  48       builtin_define ("__LITTLE_ENDIAN__");
  49       builtin_define ("__MICROBLAZEEL__");
  50     }
  51   else
  52     {
  53       builtin_define ("_BIG_ENDIAN");
  54       builtin_define ("__BIG_ENDIAN__");
  55       builtin_define ("__MICROBLAZEEB__");
  56     }
  57   if (!TARGET_SOFT_MUL)
  58     {
  59       if (!flag_iso)
  60         builtin_define ("HAVE_HW_MUL");
  61       builtin_define ("__HAVE_HW_MUL__");
  62     }
  63   if (TARGET_MULTIPLY_HIGH)
  64     {
  65       if (!flag_iso)
  66         builtin_define ("HAVE_HW_MUL_HIGH");
  67       builtin_define ("__HAVE_HW_MUL_HIGH__");
  68     }
  69   if (!TARGET_SOFT_DIV)
  70     {
  71       if (!flag_iso)
  72         builtin_define ("HAVE_HW_DIV");
  73       builtin_define ("__HAVE_HW_DIV__");
  74     }
  75   if (TARGET_BARREL_SHIFT)
  76     {
  77       if (!flag_iso)
  78         builtin_define ("HAVE_HW_BSHIFT");
  79       builtin_define ("__HAVE_HW_BSHIFT__");
  80     }
  81   if (TARGET_PATTERN_COMPARE)
  82     {
  83       if (!flag_iso)
  84         builtin_define ("HAVE_HW_PCMP");
  85       builtin_define ("__HAVE_HW_PCMP__");
  86     }
  87   if (TARGET_HARD_FLOAT)
  88     {
  89       if (!flag_iso)
  90         builtin_define ("HAVE_HW_FPU");
  91       builtin_define ("__HAVE_HW_FPU__");
  92     }
  93   if (TARGET_FLOAT_CONVERT)
  94     {
  95       if (!flag_iso)
  96         builtin_define ("HAVE_HW_FPU_CONVERT");
  97       builtin_define ("__HAVE_HW_FPU_CONVERT__");
  98     }
  99   if (TARGET_FLOAT_SQRT)
 100     {
 101       if (!flag_iso)
 102         builtin_define ("HAVE_HW_FPU_SQRT");
 103       builtin_define ("__HAVE_HW_FPU_SQRT__");
 104     }
 105 }