137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/* Target-dependent globals.
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Copyright (C) 2010-2014 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 3, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#include "config.h"
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#include "system.h"
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#include "coretypes.h"
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#include "tm.h"
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#include "insn-config.h"
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#include "machmode.h"
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#include "tree.h"
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#include "ggc.h"
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#include "toplev.h"
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#include "target-globals.h"
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#include "flags.h"
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#include "regs.h"
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#include "rtl.h"
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#include "hard-reg-set.h"
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#include "reload.h"
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#include "expmed.h"
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#include "expr.h"
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#include "optabs.h"
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#include "libfuncs.h"
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#include "cfgloop.h"
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#include "ira-int.h"
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#include "builtins.h"
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#include "gcse.h"
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#include "bb-reorder.h"
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#include "lower-subreg.h"
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#include "recog.h"
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#if SWITCHABLE_TARGET
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struct target_globals default_target_globals = {
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&default_target_flag_state,
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&default_target_regs,
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&default_target_rtl,
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&default_target_recog,
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&default_target_hard_regs,
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&default_target_reload,
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&default_target_expmed,
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&default_target_optabs,
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&default_target_libfuncs,
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&default_target_cfgloop,
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&default_target_ira,
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&default_target_ira_int,
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&default_target_builtins,
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&default_target_gcse,
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&default_target_bb_reorder,
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&default_target_lower_subreg
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};
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struct target_globals *
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save_target_globals (void)
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{
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struct target_globals *g;
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struct target_globals_extra {
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struct target_globals g;
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struct target_flag_state flag_state;
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struct target_optabs optabs;
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struct target_cfgloop cfgloop;
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struct target_builtins builtins;
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struct target_gcse gcse;
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struct target_bb_reorder bb_reorder;
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struct target_lower_subreg lower_subreg;
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} *p;
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p = (struct target_globals_extra *)
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ggc_internal_cleared_alloc (sizeof (struct target_globals_extra));
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g = (struct target_globals *) p;
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g->flag_state = &p->flag_state;
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g->regs = ggc_internal_cleared_alloc (sizeof (struct target_regs));
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g->rtl = ggc_cleared_alloc<target_rtl> ();
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g->recog = ggc_internal_cleared_alloc (sizeof (struct target_recog));
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g->hard_regs
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= ggc_internal_cleared_alloc (sizeof (struct target_hard_regs));
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g->reload = ggc_internal_cleared_alloc (sizeof (struct target_reload));
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g->expmed = ggc_internal_cleared_alloc (sizeof (struct target_expmed));
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g->optabs = &p->optabs;
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g->libfuncs = ggc_cleared_alloc<target_libfuncs> ();
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g->cfgloop = &p->cfgloop;
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g->ira = ggc_internal_cleared_alloc (sizeof (struct target_ira));
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g->ira_int = ggc_internal_cleared_alloc (sizeof (struct target_ira_int));
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g->builtins = &p->builtins;
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g->gcse = &p->gcse;
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g->bb_reorder = &p->bb_reorder;
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g->lower_subreg = &p->lower_subreg;
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restore_target_globals (g);
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init_reg_sets ();
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target_reinit ();
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return g;
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}
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/* Like save_target_globals() above, but set *this_target_optabs
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correctly when a previous function has changed
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*this_target_optabs. */
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struct target_globals *
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save_target_globals_default_opts ()
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{
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struct target_globals *globals;
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if (optimization_current_node != optimization_default_node)
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{
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tree opts = optimization_current_node;
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/* Temporarily switch to the default optimization node, so that
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*this_target_optabs is set to the default, not reflecting
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whatever a previous function used for the optimize
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attribute. */
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optimization_current_node = optimization_default_node;
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cl_optimization_restore
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(&global_options,
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TREE_OPTIMIZATION (optimization_default_node));
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globals = save_target_globals ();
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optimization_current_node = opts;
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cl_optimization_restore (&global_options,
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TREE_OPTIMIZATION (opts));
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return globals;
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}
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return save_target_globals ();
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}
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#endif
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