1 /* Target-dependent globals.
2 Copyright (C) 2010-2014 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"
29 #include "target-globals.h"
33 #include "hard-reg-set.h"
44 #include "bb-reorder.h"
45 #include "lower-subreg.h"
48 struct target_globals default_target_globals
= {
49 &default_target_flag_state
,
52 &default_target_hard_regs
,
53 &default_target_reload
,
54 &default_target_expmed
,
55 &default_target_optabs
,
56 &default_target_libfuncs
,
57 &default_target_cfgloop
,
59 &default_target_ira_int
,
60 &default_target_lra_int
,
61 &default_target_builtins
,
63 &default_target_bb_reorder
,
64 &default_target_lower_subreg
67 struct target_globals
*
68 save_target_globals (void)
70 struct target_globals
*g
;
72 g
= ggc_alloc_target_globals ();
73 g
->flag_state
= XCNEW (struct target_flag_state
);
74 g
->regs
= XCNEW (struct target_regs
);
75 g
->rtl
= ggc_alloc_cleared_target_rtl ();
76 g
->hard_regs
= XCNEW (struct target_hard_regs
);
77 g
->reload
= XCNEW (struct target_reload
);
78 g
->expmed
= XCNEW (struct target_expmed
);
79 g
->optabs
= XCNEW (struct target_optabs
);
80 g
->libfuncs
= ggc_alloc_cleared_target_libfuncs ();
81 g
->cfgloop
= XCNEW (struct target_cfgloop
);
82 g
->ira
= XCNEW (struct target_ira
);
83 g
->ira_int
= XCNEW (struct target_ira_int
);
84 g
->lra_int
= XCNEW (struct target_lra_int
);
85 g
->builtins
= XCNEW (struct target_builtins
);
86 g
->gcse
= XCNEW (struct target_gcse
);
87 g
->bb_reorder
= XCNEW (struct target_bb_reorder
);
88 g
->lower_subreg
= XCNEW (struct target_lower_subreg
);
89 restore_target_globals (g
);
95 /* Like save_target_globals() above, but set *this_target_optabs
96 correctly when a previous function has changed
97 *this_target_optabs. */
99 struct target_globals
*
100 save_target_globals_default_opts ()
102 struct target_globals
*globals
;
104 if (optimization_current_node
!= optimization_default_node
)
106 tree opts
= optimization_current_node
;
107 /* Temporarily switch to the default optimization node, so that
108 *this_target_optabs is set to the default, not reflecting
109 whatever a previous function used for the optimize
111 optimization_current_node
= optimization_default_node
;
112 cl_optimization_restore
114 TREE_OPTIMIZATION (optimization_default_node
));
115 globals
= save_target_globals ();
116 optimization_current_node
= opts
;
117 cl_optimization_restore (&global_options
,
118 TREE_OPTIMIZATION (opts
));
121 return save_target_globals ();