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comparison gcc/common/config/mips/mips-common.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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children 84e7813d76e9
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68:561a7518be6b 111:04ced10e8804
1 /* Common hooks for MIPS.
2 Copyright (C) 1989-2017 Free Software Foundation, Inc.
3
4 This file is part of GCC.
5
6 GCC is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3, or (at your option)
9 any later version.
10
11 GCC is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with GCC; see the file COPYING3. If not see
18 <http://www.gnu.org/licenses/>. */
19
20 #include "config.h"
21 #include "system.h"
22 #include "coretypes.h"
23 #include "tm.h"
24 #include "common/common-target.h"
25 #include "common/common-target-def.h"
26 #include "opts.h"
27 #include "flags.h"
28
29 /* Implement TARGET_HANDLE_OPTION. */
30
31 static bool
32 mips_handle_option (struct gcc_options *opts,
33 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
34 const struct cl_decoded_option *decoded,
35 location_t loc ATTRIBUTE_UNUSED)
36 {
37 size_t code = decoded->opt_index;
38
39 switch (code)
40 {
41 case OPT_mno_flush_func:
42 opts->x_mips_cache_flush_func = NULL;
43 return true;
44
45 case OPT_mfp32:
46 case OPT_mfp64:
47 opts->x_target_flags &= ~MASK_FLOATXX;
48 return true;
49
50 case OPT_mfpxx:
51 opts->x_target_flags &= ~MASK_FLOAT64;
52 return true;
53
54 default:
55 return true;
56 }
57 }
58
59 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
60 static const struct default_options mips_option_optimization_table[] =
61 {
62 { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
63 { OPT_LEVELS_NONE, 0, NULL, 0 }
64 };
65
66 #undef TARGET_OPTION_OPTIMIZATION_TABLE
67 #define TARGET_OPTION_OPTIMIZATION_TABLE mips_option_optimization_table
68
69 #undef TARGET_DEFAULT_TARGET_FLAGS
70 #define TARGET_DEFAULT_TARGET_FLAGS \
71 (TARGET_DEFAULT \
72 | TARGET_CPU_DEFAULT \
73 | TARGET_ENDIAN_DEFAULT \
74 | MASK_CHECK_ZERO_DIV)
75 #undef TARGET_HANDLE_OPTION
76 #define TARGET_HANDLE_OPTION mips_handle_option
77
78 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;