1 /* Target-dependent globals.
2 Copyright (C) 2010-2015 Free Software Foundation, Inc.
4 This file is part of GCC.
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
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
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/>. */
22 #include "coretypes.h"
24 #include "insn-config.h"
28 #include "target-globals.h"
41 #include "insn-codes.h"
46 #include "alloc-pool.h"
50 #include "bb-reorder.h"
51 #include "lower-subreg.h"
55 struct target_globals default_target_globals = {
56 &default_target_flag_state,
59 &default_target_recog,
60 &default_target_hard_regs,
61 &default_target_reload,
62 &default_target_expmed,
63 &default_target_optabs,
64 &default_target_libfuncs,
65 &default_target_cfgloop,
67 &default_target_ira_int,
68 &default_target_builtins,
70 &default_target_bb_reorder,
71 &default_target_lower_subreg
74 struct target_globals *
75 save_target_globals (void)
77 struct target_globals *g = ggc_cleared_alloc <target_globals> ();
78 g->flag_state = XCNEW (struct target_flag_state);
79 g->regs = XCNEW (struct target_regs);
80 g->rtl = ggc_cleared_alloc<target_rtl> ();
81 g->recog = XCNEW (struct target_recog);
82 g->hard_regs = XCNEW (struct target_hard_regs);
83 g->reload = XCNEW (struct target_reload);
84 g->expmed = XCNEW (struct target_expmed);
85 g->optabs = XCNEW (struct target_optabs);
86 g->libfuncs = ggc_cleared_alloc<target_libfuncs> ();
87 g->cfgloop = XCNEW (struct target_cfgloop);
88 g->ira = XCNEW (struct target_ira);
89 g->ira_int = XCNEW (struct target_ira_int);
90 g->builtins = XCNEW (struct target_builtins);
91 g->gcse = XCNEW (struct target_gcse);
92 g->bb_reorder = XCNEW (struct target_bb_reorder);
93 g->lower_subreg = XCNEW (struct target_lower_subreg);
94 restore_target_globals (g);
100 /* Like save_target_globals() above, but set *this_target_optabs
101 correctly when a previous function has changed
102 *this_target_optabs. */
104 struct target_globals *
105 save_target_globals_default_opts ()
107 struct target_globals *globals;
109 if (optimization_current_node != optimization_default_node)
111 tree opts = optimization_current_node;
112 /* Temporarily switch to the default optimization node, so that
113 *this_target_optabs is set to the default, not reflecting
114 whatever a previous function used for the optimize
116 optimization_current_node = optimization_default_node;
117 cl_optimization_restore
119 TREE_OPTIMIZATION (optimization_default_node));
120 globals = save_target_globals ();
121 optimization_current_node = opts;
122 cl_optimization_restore (&global_options,
123 TREE_OPTIMIZATION (opts));
126 return save_target_globals ();
129 target_globals::~target_globals ()
131 /* default_target_globals points to static data so shouldn't be freed. */
132 if (this != &default_target_globals)
134 ira_int->~target_ira_int ();
135 hard_regs->finalize ();
136 XDELETE (flag_state);
148 XDELETE (bb_reorder);
149 XDELETE (lower_subreg);