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 "symtab.h"
  29 #include "tree.h"
  30 #include "c-family/c-common.h"
  31 #include "tm_p.h"
  32 #include "target.h"
  33
  34 #define builtin_define(TXT) cpp_define (pfile, TXT)
  35 #define builtin_assert(TXT) cpp_assert (pfile, TXT)
  36
  37 /* Define preprocessor symbols for MicroBlaze.
  38    Symbols which do not start with __ are deprecated.  */
  39
  40 void
  41 microblaze_cpp_define (cpp_reader *pfile)
  42 {
  43   builtin_assert ("cpu=microblaze");
  44   builtin_assert ("machine=microblaze");
  45   builtin_define ("__MICROBLAZE__");
  46   builtin_define ("__microblaze__");
  47   if (TARGET_LITTLE_ENDIAN)
  48     {
  49       builtin_define ("_LITTLE_ENDIAN");
  50       builtin_define ("__LITTLE_ENDIAN__");
  51       builtin_define ("__MICROBLAZEEL__");
  52     }
  53   else
  54     {
  55       builtin_define ("_BIG_ENDIAN");
  56       builtin_define ("__BIG_ENDIAN__");
  57       builtin_define ("__MICROBLAZEEB__");
  58     }
  59   if (!TARGET_SOFT_MUL)
  60     {
  61       if (!flag_iso)
  62         builtin_define ("HAVE_HW_MUL");
  63       builtin_define ("__HAVE_HW_MUL__");
  64     }
  65   if (TARGET_MULTIPLY_HIGH)
  66     {
  67       if (!flag_iso)
  68         builtin_define ("HAVE_HW_MUL_HIGH");
  69       builtin_define ("__HAVE_HW_MUL_HIGH__");
  70     }
  71   if (!TARGET_SOFT_DIV)
  72     {
  73       if (!flag_iso)
  74         builtin_define ("HAVE_HW_DIV");
  75       builtin_define ("__HAVE_HW_DIV__");
  76     }
  77   if (TARGET_BARREL_SHIFT)
  78     {
  79       if (!flag_iso)
  80         builtin_define ("HAVE_HW_BSHIFT");
  81       builtin_define ("__HAVE_HW_BSHIFT__");
  82     }
  83   if (TARGET_PATTERN_COMPARE)
  84     {
  85       if (!flag_iso)
  86         builtin_define ("HAVE_HW_PCMP");
  87       builtin_define ("__HAVE_HW_PCMP__");
  88     }
  89   if (TARGET_HARD_FLOAT)
  90     {
  91       if (!flag_iso)
  92         builtin_define ("HAVE_HW_FPU");
  93       builtin_define ("__HAVE_HW_FPU__");
  94     }
  95   if (TARGET_FLOAT_CONVERT)
  96     {
  97       if (!flag_iso)
  98         builtin_define ("HAVE_HW_FPU_CONVERT");
  99       builtin_define ("__HAVE_HW_FPU_CONVERT__");
 100     }
 101   if (TARGET_FLOAT_SQRT)
 102     {
 103       if (!flag_iso)
 104         builtin_define ("HAVE_HW_FPU_SQRT");
 105       builtin_define ("__HAVE_HW_FPU_SQRT__");
 106     }
 107 }