GCC Middle and Back End API Reference
target-globals.h
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1 /* Target-dependent globals.
2  Copyright (C) 2010-2013 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 #ifndef TARGET_GLOBALS_H
21 #define TARGET_GLOBALS_H 1
22 
23 #if SWITCHABLE_TARGET
25 extern struct target_regs *this_target_regs;
26 extern struct target_rtl *this_target_rtl;
28 extern struct target_reload *this_target_reload;
29 extern struct target_expmed *this_target_expmed;
30 extern struct target_optabs *this_target_optabs;
32 extern struct target_cfgloop *this_target_cfgloop;
33 extern struct target_ira *this_target_ira;
34 extern struct target_ira_int *this_target_ira_int;
35 extern struct target_lra_int *this_target_lra_int;
37 extern struct target_gcse *this_target_gcse;
40 
41 struct GTY(()) target_globals {
42  struct target_flag_state *GTY((skip)) flag_state;
43  struct target_regs *GTY((skip)) regs;
44  struct target_rtl *rtl;
45  struct target_hard_regs *GTY((skip)) hard_regs;
46  struct target_reload *GTY((skip)) reload;
47  struct target_expmed *GTY((skip)) expmed;
48  struct target_optabs *GTY((skip)) optabs;
49  struct target_libfuncs *libfuncs;
50  struct target_cfgloop *GTY((skip)) cfgloop;
51  struct target_ira *GTY((skip)) ira;
52  struct target_ira_int *GTY((skip)) ira_int;
53  struct target_lra_int *GTY((skip)) lra_int;
54  struct target_builtins *GTY((skip)) builtins;
55  struct target_gcse *GTY((skip)) gcse;
56  struct target_bb_reorder *GTY((skip)) bb_reorder;
57  struct target_lower_subreg *GTY((skip)) lower_subreg;
58 };
59 
60 extern struct target_globals default_target_globals;
61 
62 extern struct target_globals *save_target_globals (void);
63 extern struct target_globals *save_target_globals_default_opts (void);
64 
65 static inline void
66 restore_target_globals (struct target_globals *g)
67 {
68  this_target_flag_state = g->flag_state;
69  this_target_regs = g->regs;
70  this_target_rtl = g->rtl;
71  this_target_hard_regs = g->hard_regs;
72  this_target_reload = g->reload;
73  this_target_expmed = g->expmed;
74  this_target_optabs = g->optabs;
75  this_target_libfuncs = g->libfuncs;
76  this_target_cfgloop = g->cfgloop;
77  this_target_ira = g->ira;
78  this_target_ira_int = g->ira_int;
79  this_target_lra_int = g->lra_int;
80  this_target_builtins = g->builtins;
81  this_target_gcse = g->gcse;
82  this_target_bb_reorder = g->bb_reorder;
83  this_target_lower_subreg = g->lower_subreg;
84 }
85 #endif
86 
87 #endif