gcc/config/microblaze/microblaze-c.c

   1 /* Subroutines used for the C front end for Xilinx MicroBlaze.
   2    Copyright (C) 2010-2015 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 "alias.h"
  28 #include "tree.h"
  29 #include "c-family/c-common.h"
  30 #include "tm_p.h"
  31 #include "target.h"
  32
  33 #define builtin_define(TXT) cpp_define (pfile, TXT)
  34 #define builtin_assert(TXT) cpp_assert (pfile, TXT)
  35
  36 /* Define preprocessor symbols for MicroBlaze.
  37    Symbols which do not start with __ are deprecated.  */
  38
  39 void
  40 microblaze_cpp_define (cpp_reader *pfile)
  41 {
  42   builtin_assert ("cpu=microblaze");
  43   builtin_assert ("machine=microblaze");
  44   builtin_define ("__MICROBLAZE__");
  45   builtin_define ("__microblaze__");
  46   if (TARGET_LITTLE_ENDIAN)
  47     {
  48       builtin_define ("_LITTLE_ENDIAN");
  49       builtin_define ("__LITTLE_ENDIAN__");
  50       builtin_define ("__MICROBLAZEEL__");
  51     }
  52   else
  53     {
  54       builtin_define ("_BIG_ENDIAN");
  55       builtin_define ("__BIG_ENDIAN__");
  56       builtin_define ("__MICROBLAZEEB__");
  57     }
  58   if (!TARGET_SOFT_MUL)
  59     {
  60       if (!flag_iso)
  61         builtin_define ("HAVE_HW_MUL");
  62       builtin_define ("__HAVE_HW_MUL__");
  63     }
  64   if (TARGET_MULTIPLY_HIGH)
  65     {
  66       if (!flag_iso)
  67         builtin_define ("HAVE_HW_MUL_HIGH");
  68       builtin_define ("__HAVE_HW_MUL_HIGH__");
  69     }
  70   if (!TARGET_SOFT_DIV)
  71     {
  72       if (!flag_iso)
  73         builtin_define ("HAVE_HW_DIV");
  74       builtin_define ("__HAVE_HW_DIV__");
  75     }
  76   if (TARGET_BARREL_SHIFT)
  77     {
  78       if (!flag_iso)
  79         builtin_define ("HAVE_HW_BSHIFT");
  80       builtin_define ("__HAVE_HW_BSHIFT__");
  81     }
  82   if (TARGET_PATTERN_COMPARE)
  83     {
  84       if (!flag_iso)
  85         builtin_define ("HAVE_HW_PCMP");
  86       builtin_define ("__HAVE_HW_PCMP__");
  87     }
  88   if (TARGET_HARD_FLOAT)
  89     {
  90       if (!flag_iso)
  91         builtin_define ("HAVE_HW_FPU");
  92       builtin_define ("__HAVE_HW_FPU__");
  93     }
  94   if (TARGET_FLOAT_CONVERT)
  95     {
  96       if (!flag_iso)
  97         builtin_define ("HAVE_HW_FPU_CONVERT");
  98       builtin_define ("__HAVE_HW_FPU_CONVERT__");
  99     }
 100   if (TARGET_FLOAT_SQRT)
 101     {
 102       if (!flag_iso)
 103         builtin_define ("HAVE_HW_FPU_SQRT");
 104       builtin_define ("__HAVE_HW_FPU_SQRT__");
 105     }
 106 }