gcc/config/avr/avr-c.c

   1 /* Copyright (C) 2009, 2010
   2    Free Software Foundation, Inc.
   3    Contributed by Anatoly Sokolov (aesok@post.ru)
   4
   5    This file is part of GCC.
   6
   7    GCC is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3, or (at your option)
  10    any later version.
  11
  12    GCC is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with GCC; see the file COPYING3.  If not see
  19    <http://www.gnu.org/licenses/>.  */
  20
  21
  22 #include "config.h"
  23 #include "system.h"
  24 #include "coretypes.h"
  25 #include "tm.h"
  26 #include "tm_p.h"
  27 #include "cpplib.h"
  28 #include "tree.h"
  29 #include "c-family/c-common.h"
  30
  31 /* Not included in avr.c since this requires C front end.  */
  32
  33 /* Worker function for TARGET_CPU_CPP_BUILTINS.  */
  34
  35 void
  36 avr_cpu_cpp_builtins (struct cpp_reader *pfile)
  37 {
  38   builtin_define_std ("AVR");
  39
  40   if (avr_current_arch->macro)
  41     cpp_define (pfile, avr_current_arch->macro);
  42   if (avr_extra_arch_macro)
  43     cpp_define (pfile, avr_extra_arch_macro);
  44   if (avr_current_arch->have_elpm)
  45     cpp_define (pfile, "__AVR_HAVE_RAMPZ__");
  46   if (avr_current_arch->have_elpm)
  47     cpp_define (pfile, "__AVR_HAVE_ELPM__");
  48   if (avr_current_arch->have_elpmx)
  49     cpp_define (pfile, "__AVR_HAVE_ELPMX__");
  50   if (avr_current_arch->have_movw_lpmx)
  51     {
  52       cpp_define (pfile, "__AVR_HAVE_MOVW__");
  53       cpp_define (pfile, "__AVR_HAVE_LPMX__");
  54     }
  55   if (avr_current_arch->asm_only)
  56     cpp_define (pfile, "__AVR_ASM_ONLY__");
  57   if (avr_current_arch->have_mul)
  58     {
  59       cpp_define (pfile, "__AVR_ENHANCED__");
  60       cpp_define (pfile, "__AVR_HAVE_MUL__");
  61     }
  62   if (avr_current_arch->have_jmp_call)
  63     {
  64       cpp_define (pfile, "__AVR_MEGA__");
  65       cpp_define (pfile, "__AVR_HAVE_JMP_CALL__");
  66     }
  67   if (avr_current_arch->have_eijmp_eicall)
  68     {
  69       cpp_define (pfile, "__AVR_HAVE_EIJMP_EICALL__");
  70       cpp_define (pfile, "__AVR_3_BYTE_PC__");
  71     }
  72   else
  73     {
  74       cpp_define (pfile, "__AVR_2_BYTE_PC__");
  75     }
  76
  77   if (avr_current_device->short_sp)
  78     cpp_define (pfile, "__AVR_HAVE_8BIT_SP__");
  79   else
  80     cpp_define (pfile, "__AVR_HAVE_16BIT_SP__");
  81
  82   if (TARGET_NO_INTERRUPTS)
  83     cpp_define (pfile, "__NO_INTERRUPTS__");
  84
  85   if (avr_current_device->errata_skip)
  86     {
  87       cpp_define (pfile, "__AVR_ERRATA_SKIP__");
  88
  89       if (avr_current_arch->have_jmp_call)
  90         cpp_define (pfile, "__AVR_ERRATA_SKIP_JMP_CALL__");
  91     }
  92
  93   /* Define builtin macros so that the user can
  94      easily query if or if not a specific builtin
  95      is available. */
  96
  97   cpp_define (pfile, "__BUILTIN_AVR_NOP");
  98   cpp_define (pfile, "__BUILTIN_AVR_SEI");
  99   cpp_define (pfile, "__BUILTIN_AVR_CLI");
 100   cpp_define (pfile, "__BUILTIN_AVR_WDR");
 101   cpp_define (pfile, "__BUILTIN_AVR_SLEEP");
 102   cpp_define (pfile, "__BUILTIN_AVR_SWAP");
 103   cpp_define (pfile, "__BUILTIN_AVR_DELAY_CYCLES");
 104
 105   cpp_define (pfile, "__BUILTIN_AVR_FMUL");
 106   cpp_define (pfile, "__BUILTIN_AVR_FMULS");
 107   cpp_define (pfile, "__BUILTIN_AVR_FMULSU");
 108 }