Turn SLOW_UNALIGNED_ACCESS into a target hook
[official-gcc.git] / gcc / config / microblaze / microblaze-c.c
blob0c9a6af1bb4939c20cff1dd43e32812f74b94285
1 /* Subroutines used for the C front end for Xilinx MicroBlaze.
2 Copyright (C) 2010-2017 Free Software Foundation, Inc.
4 Contributed by Michael Eager <eager@eagercon.com>.
6 This file is part of GCC.
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.
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.
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/>. */
22 #include "config.h"
23 #include "system.h"
24 #include "coretypes.h"
25 #include "target.h"
26 #include "c-family/c-common.h"
28 #define builtin_define(TXT) cpp_define (pfile, TXT)
29 #define builtin_assert(TXT) cpp_assert (pfile, TXT)
31 /* Define preprocessor symbols for MicroBlaze.
32 Symbols which do not start with __ are deprecated. */
34 void
35 microblaze_cpp_define (cpp_reader *pfile)
37 builtin_assert ("cpu=microblaze");
38 builtin_assert ("machine=microblaze");
39 builtin_define ("__MICROBLAZE__");
40 builtin_define ("__microblaze__");
41 if (TARGET_LITTLE_ENDIAN)
43 builtin_define ("_LITTLE_ENDIAN");
44 builtin_define ("__LITTLE_ENDIAN__");
45 builtin_define ("__MICROBLAZEEL__");
47 else
49 builtin_define ("_BIG_ENDIAN");
50 builtin_define ("__BIG_ENDIAN__");
51 builtin_define ("__MICROBLAZEEB__");
53 if (!TARGET_SOFT_MUL)
55 if (!flag_iso)
56 builtin_define ("HAVE_HW_MUL");
57 builtin_define ("__HAVE_HW_MUL__");
59 if (TARGET_MULTIPLY_HIGH)
61 if (!flag_iso)
62 builtin_define ("HAVE_HW_MUL_HIGH");
63 builtin_define ("__HAVE_HW_MUL_HIGH__");
65 if (!TARGET_SOFT_DIV)
67 if (!flag_iso)
68 builtin_define ("HAVE_HW_DIV");
69 builtin_define ("__HAVE_HW_DIV__");
71 if (TARGET_BARREL_SHIFT)
73 if (!flag_iso)
74 builtin_define ("HAVE_HW_BSHIFT");
75 builtin_define ("__HAVE_HW_BSHIFT__");
77 if (TARGET_PATTERN_COMPARE)
79 if (!flag_iso)
80 builtin_define ("HAVE_HW_PCMP");
81 builtin_define ("__HAVE_HW_PCMP__");
83 if (TARGET_HARD_FLOAT)
85 if (!flag_iso)
86 builtin_define ("HAVE_HW_FPU");
87 builtin_define ("__HAVE_HW_FPU__");
89 if (TARGET_FLOAT_CONVERT)
91 if (!flag_iso)
92 builtin_define ("HAVE_HW_FPU_CONVERT");
93 builtin_define ("__HAVE_HW_FPU_CONVERT__");
95 if (TARGET_FLOAT_SQRT)
97 if (!flag_iso)
98 builtin_define ("HAVE_HW_FPU_SQRT");
99 builtin_define ("__HAVE_HW_FPU_SQRT__");