1 /* Target-dependent globals.
2 Copyright (C) 2010-2013 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"
32 #include "hard-reg-set.h"
43 #include "bb-reorder.h"
44 #include "lower-subreg.h"
47 struct target_globals default_target_globals
= {
48 &default_target_flag_state
,
51 &default_target_hard_regs
,
52 &default_target_reload
,
53 &default_target_expmed
,
54 &default_target_optabs
,
55 &default_target_libfuncs
,
56 &default_target_cfgloop
,
58 &default_target_ira_int
,
59 &default_target_lra_int
,
60 &default_target_builtins
,
62 &default_target_bb_reorder
,
63 &default_target_lower_subreg
66 struct target_globals
*
67 save_target_globals (void)
69 struct target_globals
*g
;
71 g
= ggc_alloc_target_globals ();
72 g
->flag_state
= XCNEW (struct target_flag_state
);
73 g
->regs
= XCNEW (struct target_regs
);
74 g
->rtl
= ggc_alloc_cleared_target_rtl ();
75 g
->hard_regs
= XCNEW (struct target_hard_regs
);
76 g
->reload
= XCNEW (struct target_reload
);
77 g
->expmed
= XCNEW (struct target_expmed
);
78 g
->optabs
= XCNEW (struct target_optabs
);
79 g
->libfuncs
= ggc_alloc_cleared_target_libfuncs ();
80 g
->cfgloop
= XCNEW (struct target_cfgloop
);
81 g
->ira
= XCNEW (struct target_ira
);
82 g
->ira_int
= XCNEW (struct target_ira_int
);
83 g
->lra_int
= XCNEW (struct target_lra_int
);
84 g
->builtins
= XCNEW (struct target_builtins
);
85 g
->gcse
= XCNEW (struct target_gcse
);
86 g
->bb_reorder
= XCNEW (struct target_bb_reorder
);
87 g
->lower_subreg
= XCNEW (struct target_lower_subreg
);
88 restore_target_globals (g
);
94 /* Like save_target_globals() above, but set *this_target_optabs
95 correctly when a previous function has changed
96 *this_target_optabs. */
98 struct target_globals
*
99 save_target_globals_default_opts ()
101 struct target_globals
*globals
;
103 if (optimization_current_node
!= optimization_default_node
)
105 tree opts
= optimization_current_node
;
106 /* Temporarily switch to the default optimization node, so that
107 *this_target_optabs is set to the default, not reflecting
108 whatever a previous function used for the optimize
110 optimization_current_node
= optimization_default_node
;
111 cl_optimization_restore
113 TREE_OPTIMIZATION (optimization_default_node
));
114 globals
= save_target_globals ();
115 optimization_current_node
= opts
;
116 cl_optimization_restore (&global_options
,
117 TREE_OPTIMIZATION (opts
));
120 return save_target_globals ();