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821d4118 | 1 | /* Target-dependent globals. |
fbd26352 | 2 | Copyright (C) 2010-2019 Free Software Foundation, Inc. |
821d4118 | 3 | |
4 | This file is part of GCC. | |
5 | ||
6 | GCC is free software; you can redistribute it and/or modify it under | |
7 | the terms of the GNU General Public License as published by the Free | |
8 | Software Foundation; either version 3, or (at your option) any later | |
9 | version. | |
10 | ||
11 | GCC is distributed in the hope that it will be useful, but WITHOUT ANY | |
12 | WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 | FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 | 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" | |
9ef16211 | 23 | #include "backend.h" |
7c29e30e | 24 | #include "rtl.h" |
25 | #include "tree.h" | |
7c29e30e | 26 | #include "expmed.h" |
27 | #include "optabs-query.h" | |
821d4118 | 28 | #include "insn-config.h" |
7c29e30e | 29 | #include "regs.h" |
ad7b10a2 | 30 | #include "memmodel.h" |
7c29e30e | 31 | #include "ira.h" |
32 | #include "ira-int.h" | |
821d4118 | 33 | #include "toplev.h" |
34 | #include "target-globals.h" | |
35 | #include "flags.h" | |
5f00384a | 36 | #include "reload.h" |
d0f03375 | 37 | #include "libfuncs.h" |
e8aa5a28 | 38 | #include "cfgloop.h" |
3b9c3a16 | 39 | #include "builtins.h" |
049d15fc | 40 | #include "gcse.h" |
22d65d2c | 41 | #include "bb-reorder.h" |
c7944dce | 42 | #include "lower-subreg.h" |
821d4118 | 43 | |
44 | #if SWITCHABLE_TARGET | |
45 | struct target_globals default_target_globals = { | |
c3460481 | 46 | &default_target_flag_state, |
679bcc8d | 47 | &default_target_regs, |
6d0eb0c4 | 48 | &default_target_rtl, |
d2b854bc | 49 | &default_target_recog, |
5f00384a | 50 | &default_target_hard_regs, |
6ebe4c69 | 51 | &default_target_reload, |
2770cb33 | 52 | &default_target_expmed, |
d0f03375 | 53 | &default_target_optabs, |
e8aa5a28 | 54 | &default_target_libfuncs, |
a1e0509e | 55 | &default_target_cfgloop, |
56 | &default_target_ira, | |
3b9c3a16 | 57 | &default_target_ira_int, |
049d15fc | 58 | &default_target_builtins, |
22d65d2c | 59 | &default_target_gcse, |
c7944dce | 60 | &default_target_bb_reorder, |
61 | &default_target_lower_subreg | |
821d4118 | 62 | }; |
63 | ||
64 | struct target_globals * | |
65 | save_target_globals (void) | |
66 | { | |
f6de51be | 67 | struct target_globals *g = ggc_cleared_alloc <target_globals> (); |
68 | g->flag_state = XCNEW (struct target_flag_state); | |
69 | g->regs = XCNEW (struct target_regs); | |
25a27413 | 70 | g->rtl = ggc_cleared_alloc<target_rtl> (); |
f6de51be | 71 | g->recog = XCNEW (struct target_recog); |
72 | g->hard_regs = XCNEW (struct target_hard_regs); | |
73 | g->reload = XCNEW (struct target_reload); | |
74 | g->expmed = XCNEW (struct target_expmed); | |
75 | g->optabs = XCNEW (struct target_optabs); | |
25a27413 | 76 | g->libfuncs = ggc_cleared_alloc<target_libfuncs> (); |
f6de51be | 77 | g->cfgloop = XCNEW (struct target_cfgloop); |
78 | g->ira = XCNEW (struct target_ira); | |
79 | g->ira_int = XCNEW (struct target_ira_int); | |
80 | g->builtins = XCNEW (struct target_builtins); | |
81 | g->gcse = XCNEW (struct target_gcse); | |
82 | g->bb_reorder = XCNEW (struct target_bb_reorder); | |
83 | g->lower_subreg = XCNEW (struct target_lower_subreg); | |
821d4118 | 84 | restore_target_globals (g); |
03a75ccf | 85 | init_reg_sets (); |
821d4118 | 86 | target_reinit (); |
87 | return g; | |
88 | } | |
89 | ||
08c7d04b | 90 | /* Like save_target_globals() above, but set *this_target_optabs |
91 | correctly when a previous function has changed | |
92 | *this_target_optabs. */ | |
93 | ||
94 | struct target_globals * | |
95 | save_target_globals_default_opts () | |
96 | { | |
97 | struct target_globals *globals; | |
98 | ||
99 | if (optimization_current_node != optimization_default_node) | |
100 | { | |
101 | tree opts = optimization_current_node; | |
102 | /* Temporarily switch to the default optimization node, so that | |
103 | *this_target_optabs is set to the default, not reflecting | |
104 | whatever a previous function used for the optimize | |
105 | attribute. */ | |
106 | optimization_current_node = optimization_default_node; | |
107 | cl_optimization_restore | |
108 | (&global_options, | |
109 | TREE_OPTIMIZATION (optimization_default_node)); | |
110 | globals = save_target_globals (); | |
111 | optimization_current_node = opts; | |
112 | cl_optimization_restore (&global_options, | |
113 | TREE_OPTIMIZATION (opts)); | |
114 | return globals; | |
115 | } | |
116 | return save_target_globals (); | |
117 | } | |
118 | ||
f6de51be | 119 | target_globals::~target_globals () |
120 | { | |
121 | /* default_target_globals points to static data so shouldn't be freed. */ | |
122 | if (this != &default_target_globals) | |
123 | { | |
bce266bd | 124 | ira_int->~target_ira_int (); |
18d9a614 | 125 | hard_regs->finalize (); |
f6de51be | 126 | XDELETE (flag_state); |
127 | XDELETE (regs); | |
128 | XDELETE (recog); | |
129 | XDELETE (hard_regs); | |
130 | XDELETE (reload); | |
131 | XDELETE (expmed); | |
132 | XDELETE (optabs); | |
133 | XDELETE (cfgloop); | |
134 | XDELETE (ira); | |
135 | XDELETE (ira_int); | |
136 | XDELETE (builtins); | |
137 | XDELETE (gcse); | |
138 | XDELETE (bb_reorder); | |
139 | XDELETE (lower_subreg); | |
140 | } | |
141 | } | |
142 | ||
821d4118 | 143 | #endif |