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677f3fa8 | 1 | /* Common hooks for pdp11. |
99dee823 | 2 | Copyright (C) 1994-2021 Free Software Foundation, Inc. |
677f3fa8 JM |
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 | ||
677f3fa8 JM |
29 | /* Implement TARGET_HANDLE_OPTION. */ |
30 | ||
31 | static bool | |
32 | pdp11_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_m10: | |
b4324a14 | 42 | opts->x_target_flags &= ~(MASK_40 | MASK_45 | MASK_FPU | MASK_AC0 | MASK_SPLIT); |
677f3fa8 JM |
43 | return true; |
44 | ||
b4324a14 PK |
45 | case OPT_m40: |
46 | opts->x_target_flags &= ~(MASK_45 | MASK_FPU | MASK_AC0 | MASK_SPLIT); | |
47 | return true; | |
48 | ||
49 | case OPT_mfpu: | |
50 | opts->x_target_flags &= ~MASK_40; | |
51 | opts->x_target_flags |= MASK_45; | |
52 | return true; | |
53 | ||
54 | case OPT_msoft_float: | |
55 | opts->x_target_flags &= ~MASK_AC0; | |
56 | return true; | |
57 | ||
58 | case OPT_msplit: | |
59 | opts->x_target_flags &= ~MASK_40; | |
60 | opts->x_target_flags |= MASK_45; | |
61 | return true; | |
4aef57c9 PK |
62 | |
63 | case OPT_munix_asm: | |
64 | case OPT_mgnu_asm: | |
65 | targetm_common.have_named_sections = false; | |
66 | return true; | |
67 | ||
68 | case OPT_mdec_asm: | |
69 | targetm_common.have_named_sections = true; | |
70 | return true; | |
71 | ||
677f3fa8 JM |
72 | default: |
73 | return true; | |
74 | } | |
75 | } | |
76 | ||
77 | /* Implement TARGET_OPTION_INIT_STRUCT. */ | |
78 | ||
79 | static void | |
80 | pdp11_option_init_struct (struct gcc_options *opts) | |
81 | { | |
82 | opts->x_flag_finite_math_only = 0; | |
83 | opts->x_flag_trapping_math = 0; | |
84 | opts->x_flag_signaling_nans = 0; | |
85 | } | |
86 | ||
87 | #undef TARGET_DEFAULT_TARGET_FLAGS | |
88 | #define TARGET_DEFAULT_TARGET_FLAGS \ | |
89 | (MASK_FPU | MASK_45 | TARGET_UNIX_ASM_DEFAULT) | |
90 | #undef TARGET_HANDLE_OPTION | |
91 | #define TARGET_HANDLE_OPTION pdp11_handle_option | |
677f3fa8 JM |
92 | #undef TARGET_OPTION_INIT_STRUCT |
93 | #define TARGET_OPTION_INIT_STRUCT pdp11_option_init_struct | |
94 | ||
95 | struct gcc_targetm_common targetm_common = TARGETM_COMMON_INITIALIZER; |