Line data Source code
1 : /* Target-dependent globals.
2 : Copyright (C) 2010-2026 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 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"
23 : #include "backend.h"
24 : #include "rtl.h"
25 : #include "tree.h"
26 : #include "expmed.h"
27 : #include "optabs-query.h"
28 : #include "insn-config.h"
29 : #include "regs.h"
30 : #include "memmodel.h"
31 : #include "ira.h"
32 : #include "ira-int.h"
33 : #include "toplev.h"
34 : #include "target-globals.h"
35 : #include "flags.h"
36 : #include "reload.h"
37 : #include "libfuncs.h"
38 : #include "cfgloop.h"
39 : #include "builtins.h"
40 : #include "gcse.h"
41 : #include "bb-reorder.h"
42 : #include "lower-subreg.h"
43 : #include "function-abi.h"
44 : #include "tm_p.h"
45 :
46 : #if SWITCHABLE_TARGET
47 : class target_globals default_target_globals = {
48 : &default_target_flag_state,
49 : &default_target_regs,
50 : &default_target_rtl,
51 : &default_target_recog,
52 : &default_target_hard_regs,
53 : &default_target_function_abi_info,
54 : &default_target_reload,
55 : &default_target_expmed,
56 : &default_target_optabs,
57 : &default_target_libfuncs,
58 : &default_target_cfgloop,
59 : &default_target_ira,
60 : &default_target_ira_int,
61 : &default_target_builtins,
62 : &default_target_gcse,
63 : &default_target_bb_reorder,
64 : &default_target_lower_subreg,
65 : &default_target_constraints
66 : };
67 :
68 : class target_globals *
69 497940 : save_target_globals (void)
70 : {
71 497940 : class target_globals *g = ggc_cleared_alloc <target_globals> ();
72 497940 : g->flag_state = XCNEW (class target_flag_state);
73 497940 : g->regs = XCNEW (struct target_regs);
74 497940 : g->rtl = ggc_cleared_alloc<target_rtl> ();
75 497940 : g->recog = XCNEW (struct target_recog);
76 497940 : g->hard_regs = XCNEW (struct target_hard_regs);
77 497940 : g->function_abi_info = XCNEW (struct target_function_abi_info);
78 497940 : g->reload = XCNEW (struct target_reload);
79 497940 : g->expmed = XCNEW (struct target_expmed);
80 497940 : g->optabs = XCNEW (struct target_optabs);
81 497940 : g->libfuncs = ggc_cleared_alloc<target_libfuncs> ();
82 497940 : g->cfgloop = XCNEW (struct target_cfgloop);
83 497940 : g->ira = XCNEW (struct target_ira);
84 497940 : g->ira_int = XCNEW (class target_ira_int);
85 497940 : g->builtins = XCNEW (struct target_builtins);
86 497940 : g->gcse = XCNEW (struct target_gcse);
87 497940 : g->bb_reorder = XCNEW (struct target_bb_reorder);
88 497940 : g->lower_subreg = XCNEW (struct target_lower_subreg);
89 497940 : g->constraints = XCNEW (target_constraints);
90 497940 : restore_target_globals (g);
91 497940 : init_reg_sets ();
92 497940 : target_reinit ();
93 497940 : return g;
94 : }
95 :
96 : /* Like save_target_globals() above, but set *this_target_optabs
97 : correctly when a previous function has changed
98 : *this_target_optabs. */
99 :
100 : class target_globals *
101 497940 : save_target_globals_default_opts ()
102 : {
103 497940 : class target_globals *globals;
104 :
105 497940 : if (optimization_current_node != optimization_default_node)
106 : {
107 13002 : tree opts = optimization_current_node;
108 : /* Temporarily switch to the default optimization node, so that
109 : *this_target_optabs is set to the default, not reflecting
110 : whatever a previous function used for the optimize
111 : attribute. */
112 13002 : optimization_current_node = optimization_default_node;
113 13002 : cl_optimization_restore
114 13002 : (&global_options, &global_options_set,
115 13002 : TREE_OPTIMIZATION (optimization_default_node));
116 13002 : globals = save_target_globals ();
117 13002 : optimization_current_node = opts;
118 13002 : cl_optimization_restore (&global_options, &global_options_set,
119 13002 : TREE_OPTIMIZATION (opts));
120 13002 : return globals;
121 : }
122 484938 : return save_target_globals ();
123 : }
124 :
125 317781 : target_globals::~target_globals ()
126 : {
127 : /* default_target_globals points to static data so shouldn't be freed. */
128 317781 : if (this != &default_target_globals)
129 : {
130 33190 : ira_int->~target_ira_int ();
131 33190 : hard_regs->finalize ();
132 33190 : XDELETE (flag_state);
133 33190 : XDELETE (regs);
134 33190 : XDELETE (recog);
135 33190 : XDELETE (hard_regs);
136 33190 : XDELETE (function_abi_info);
137 33190 : XDELETE (reload);
138 33190 : XDELETE (expmed);
139 33190 : XDELETE (optabs);
140 33190 : XDELETE (cfgloop);
141 33190 : XDELETE (ira);
142 33190 : XDELETE (ira_int);
143 33190 : XDELETE (builtins);
144 33190 : XDELETE (gcse);
145 33190 : XDELETE (bb_reorder);
146 33190 : XDELETE (lower_subreg);
147 33190 : XDELETE (constraints);
148 : }
149 317781 : }
150 :
151 : #endif
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