xref: /netbsd-src/external/gpl3/gcc.old/dist/gcc/config/avr/avr-c.c (revision b7b7574d3bf8eeb51a1fa3977b59142ec6434a55)
1 /* Copyright (C) 2009
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 "regs.h"
28 #include "c-common.h"
29 
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 
86