gcc/config/microblaze/microblaze-c.c

   1 /* Subroutines used for the C front end for Xilinx MicroBlaze.
   2    Copyright (C) 2010-2018 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 #define IN_TARGET_CODE 1
  23
  24 #include "config.h"
  25 #include "system.h"
  26 #include "coretypes.h"
  27 #include "target.h"
  28 #include "c-family/c-common.h"
  29
  30 #define builtin_define(TXT) cpp_define (pfile, TXT)
  31 #define builtin_assert(TXT) cpp_assert (pfile, TXT)
  32
  33 /* Define preprocessor symbols for MicroBlaze.
  34    Symbols which do not start with __ are deprecated.  */
  35
  36 void
  37 microblaze_cpp_define (cpp_reader *pfile)
  38 {
  39   builtin_assert ("cpu=microblaze");
  40   builtin_assert ("machine=microblaze");
  41   builtin_define ("__MICROBLAZE__");
  42   builtin_define ("__microblaze__");
  43   if (TARGET_LITTLE_ENDIAN)
  44     {
  45       builtin_define ("_LITTLE_ENDIAN");
  46       builtin_define ("__LITTLE_ENDIAN__");
  47       builtin_define ("__MICROBLAZEEL__");
  48     }
  49   else
  50     {
  51       builtin_define ("_BIG_ENDIAN");
  52       builtin_define ("__BIG_ENDIAN__");
  53       builtin_define ("__MICROBLAZEEB__");
  54     }
  55   if (!TARGET_SOFT_MUL)
  56     {
  57       if (!flag_iso)
  58         builtin_define ("HAVE_HW_MUL");
  59       builtin_define ("__HAVE_HW_MUL__");
  60     }
  61   if (TARGET_MULTIPLY_HIGH)
  62     {
  63       if (!flag_iso)
  64         builtin_define ("HAVE_HW_MUL_HIGH");
  65       builtin_define ("__HAVE_HW_MUL_HIGH__");
  66     }
  67   if (!TARGET_SOFT_DIV)
  68     {
  69       if (!flag_iso)
  70         builtin_define ("HAVE_HW_DIV");
  71       builtin_define ("__HAVE_HW_DIV__");
  72     }
  73   if (TARGET_BARREL_SHIFT)
  74     {
  75       if (!flag_iso)
  76         builtin_define ("HAVE_HW_BSHIFT");
  77       builtin_define ("__HAVE_HW_BSHIFT__");
  78     }
  79   if (TARGET_PATTERN_COMPARE)
  80     {
  81       if (!flag_iso)
  82         builtin_define ("HAVE_HW_PCMP");
  83       builtin_define ("__HAVE_HW_PCMP__");
  84     }
  85   if (TARGET_HARD_FLOAT)
  86     {
  87       if (!flag_iso)
  88         builtin_define ("HAVE_HW_FPU");
  89       builtin_define ("__HAVE_HW_FPU__");
  90     }
  91   if (TARGET_FLOAT_CONVERT)
  92     {
  93       if (!flag_iso)
  94         builtin_define ("HAVE_HW_FPU_CONVERT");
  95       builtin_define ("__HAVE_HW_FPU_CONVERT__");
  96     }
  97   if (TARGET_FLOAT_SQRT)
  98     {
  99       if (!flag_iso)
 100         builtin_define ("HAVE_HW_FPU_SQRT");
 101       builtin_define ("__HAVE_HW_FPU_SQRT__");
 102     }
 103 }