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comparison gcc/common/config/alpha/alpha-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 DEC Alpha.
2 Copyright (C) 1992-2017 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 "diagnostic-core.h"
24 #include "tm.h"
25 #include "common/common-target.h"
26 #include "common/common-target-def.h"
27 #include "opts.h"
28 #include "flags.h"
29
30 /* Implement TARGET_OPTION_OPTIMIZATION_TABLE. */
31 static const struct default_options alpha_option_optimization_table[] =
32 {
33 { OPT_LEVELS_1_PLUS, OPT_fomit_frame_pointer, NULL, 1 },
34 /* Enable redundant extension instructions removal at -O2 and higher. */
35 { OPT_LEVELS_2_PLUS, OPT_free, NULL, 1 },
36 { OPT_LEVELS_NONE, 0, NULL, 0 }
37 };
38
39 /* Implement TARGET_OPTION_INIT_STRUCT. */
40
41 static void
42 alpha_option_init_struct (struct gcc_options *opts ATTRIBUTE_UNUSED)
43 {
44 #if TARGET_ABI_OPEN_VMS
45 /* Enable section anchors by default. */
46 opts->x_flag_section_anchors = 1;
47 #endif
48 }
49
50 /* Implement TARGET_HANDLE_OPTION. */
51
52 static bool
53 alpha_handle_option (struct gcc_options *opts,
54 struct gcc_options *opts_set ATTRIBUTE_UNUSED,
55 const struct cl_decoded_option *decoded,
56 location_t loc)
57 {
58 size_t code = decoded->opt_index;
59 const char *arg = decoded->arg;
60 int value = decoded->value;
61
62 switch (code)
63 {
64 case OPT_mfp_regs:
65 if (value == 0)
66 opts->x_target_flags |= MASK_SOFT_FP;
67 break;
68
69 case OPT_mieee:
70 case OPT_mieee_with_inexact:
71 opts->x_target_flags |= MASK_IEEE_CONFORMANT;
72 break;
73
74 case OPT_mtls_size_:
75 if (value != 16 && value != 32 && value != 64)
76 error_at (loc, "bad value %qs for -mtls-size switch", arg);
77 break;
78 }
79
80 return true;
81 }
82
83 #undef TARGET_DEFAULT_TARGET_FLAGS
84 #define TARGET_DEFAULT_TARGET_FLAGS \
85 (TARGET_DEFAULT | TARGET_CPU_DEFAULT | TARGET_DEFAULT_EXPLICIT_RELOCS)
86 #undef TARGET_HANDLE_OPTION
87 #define TARGET_HANDLE_OPTION alpha_handle_option
88
89 #undef TARGET_OPTION_INIT_STRUCT
90 #define TARGET_OPTION_INIT_STRUCT alpha_option_init_struct
91
92 #undef TARGET_OPTION_OPTIMIZATION_TABLE
93 #define TARGET_OPTION_OPTIMIZATION_TABLE alpha_option_optimization_table
94
95 struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER;