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821d4118 | 1 | /* Target-dependent globals. |
3aea1f79 | 2 | Copyright (C) 2010-2014 Free Software Foundation, Inc. |
821d4118 | 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 "tm.h" | |
24 | #include "insn-config.h" | |
25 | #include "machmode.h" | |
41a8aa41 | 26 | #include "tree.h" |
821d4118 | 27 | #include "ggc.h" |
28 | #include "toplev.h" | |
29 | #include "target-globals.h" | |
30 | #include "flags.h" | |
c3460481 | 31 | #include "regs.h" |
679bcc8d | 32 | #include "rtl.h" |
6d0eb0c4 | 33 | #include "hard-reg-set.h" |
5f00384a | 34 | #include "reload.h" |
6ebe4c69 | 35 | #include "expmed.h" |
2770cb33 | 36 | #include "expr.h" |
37 | #include "optabs.h" | |
d0f03375 | 38 | #include "libfuncs.h" |
e8aa5a28 | 39 | #include "cfgloop.h" |
a1e0509e | 40 | #include "ira-int.h" |
c6a6cdaa | 41 | #include "lra-int.h" |
3b9c3a16 | 42 | #include "builtins.h" |
049d15fc | 43 | #include "gcse.h" |
22d65d2c | 44 | #include "bb-reorder.h" |
c7944dce | 45 | #include "lower-subreg.h" |
821d4118 | 46 | |
47 | #if SWITCHABLE_TARGET | |
48 | struct target_globals default_target_globals = { | |
c3460481 | 49 | &default_target_flag_state, |
679bcc8d | 50 | &default_target_regs, |
6d0eb0c4 | 51 | &default_target_rtl, |
5f00384a | 52 | &default_target_hard_regs, |
6ebe4c69 | 53 | &default_target_reload, |
2770cb33 | 54 | &default_target_expmed, |
d0f03375 | 55 | &default_target_optabs, |
e8aa5a28 | 56 | &default_target_libfuncs, |
a1e0509e | 57 | &default_target_cfgloop, |
58 | &default_target_ira, | |
3b9c3a16 | 59 | &default_target_ira_int, |
c6a6cdaa | 60 | &default_target_lra_int, |
049d15fc | 61 | &default_target_builtins, |
22d65d2c | 62 | &default_target_gcse, |
c7944dce | 63 | &default_target_bb_reorder, |
64 | &default_target_lower_subreg | |
821d4118 | 65 | }; |
66 | ||
67 | struct target_globals * | |
68 | save_target_globals (void) | |
69 | { | |
70 | struct target_globals *g; | |
6c427a80 | 71 | struct target_globals_extra { |
72 | struct target_globals g; | |
73 | struct target_flag_state flag_state; | |
74 | struct target_optabs optabs; | |
75 | struct target_cfgloop cfgloop; | |
76 | struct target_builtins builtins; | |
77 | struct target_gcse gcse; | |
78 | struct target_bb_reorder bb_reorder; | |
79 | struct target_lower_subreg lower_subreg; | |
80 | } *p; | |
81 | p = (struct target_globals_extra *) | |
ea7d8c7a | 82 | ggc_internal_cleared_alloc (sizeof (struct target_globals_extra)); |
6c427a80 | 83 | g = (struct target_globals *) p; |
84 | g->flag_state = &p->flag_state; | |
ea7d8c7a | 85 | g->regs = ggc_internal_cleared_alloc (sizeof (struct target_regs)); |
25a27413 | 86 | g->rtl = ggc_cleared_alloc<target_rtl> (); |
6c427a80 | 87 | g->hard_regs |
ea7d8c7a | 88 | = ggc_internal_cleared_alloc (sizeof (struct target_hard_regs)); |
89 | g->reload = ggc_internal_cleared_alloc (sizeof (struct target_reload)); | |
90 | g->expmed = ggc_internal_cleared_alloc (sizeof (struct target_expmed)); | |
6c427a80 | 91 | g->optabs = &p->optabs; |
25a27413 | 92 | g->libfuncs = ggc_cleared_alloc<target_libfuncs> (); |
6c427a80 | 93 | g->cfgloop = &p->cfgloop; |
ea7d8c7a | 94 | g->ira = ggc_internal_cleared_alloc (sizeof (struct target_ira)); |
95 | g->ira_int = ggc_internal_cleared_alloc (sizeof (struct target_ira_int)); | |
96 | g->lra_int = ggc_internal_cleared_alloc (sizeof (struct target_lra_int)); | |
6c427a80 | 97 | g->builtins = &p->builtins; |
98 | g->gcse = &p->gcse; | |
99 | g->bb_reorder = &p->bb_reorder; | |
100 | g->lower_subreg = &p->lower_subreg; | |
821d4118 | 101 | restore_target_globals (g); |
03a75ccf | 102 | init_reg_sets (); |
821d4118 | 103 | target_reinit (); |
104 | return g; | |
105 | } | |
106 | ||
08c7d04b | 107 | /* Like save_target_globals() above, but set *this_target_optabs |
108 | correctly when a previous function has changed | |
109 | *this_target_optabs. */ | |
110 | ||
111 | struct target_globals * | |
112 | save_target_globals_default_opts () | |
113 | { | |
114 | struct target_globals *globals; | |
115 | ||
116 | if (optimization_current_node != optimization_default_node) | |
117 | { | |
118 | tree opts = optimization_current_node; | |
119 | /* Temporarily switch to the default optimization node, so that | |
120 | *this_target_optabs is set to the default, not reflecting | |
121 | whatever a previous function used for the optimize | |
122 | attribute. */ | |
123 | optimization_current_node = optimization_default_node; | |
124 | cl_optimization_restore | |
125 | (&global_options, | |
126 | TREE_OPTIMIZATION (optimization_default_node)); | |
127 | globals = save_target_globals (); | |
128 | optimization_current_node = opts; | |
129 | cl_optimization_restore (&global_options, | |
130 | TREE_OPTIMIZATION (opts)); | |
131 | return globals; | |
132 | } | |
133 | return save_target_globals (); | |
134 | } | |
135 | ||
821d4118 | 136 | #endif |