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Diffstat (limited to 'gcc/target-globals.cc')
| -rw-r--r-- | gcc/target-globals.cc | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/gcc/target-globals.cc b/gcc/target-globals.cc new file mode 100644 index 0000000..a49960f --- /dev/null +++ b/gcc/target-globals.cc @@ -0,0 +1,147 @@ +/* Target-dependent globals. + Copyright (C) 2010-2022 Free Software Foundation, Inc. + +This file is part of GCC. + +GCC is free software; you can redistribute it and/or modify it under +the terms of the GNU General Public License as published by the Free +Software Foundation; either version 3, or (at your option) any later +version. + +GCC is distributed in the hope that it will be useful, but WITHOUT ANY +WARRANTY; without even the implied warranty of MERCHANTABILITY or +FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +for more details. + +You should have received a copy of the GNU General Public License +along with GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#include "config.h" +#include "system.h" +#include "coretypes.h" +#include "backend.h" +#include "rtl.h" +#include "tree.h" +#include "expmed.h" +#include "optabs-query.h" +#include "insn-config.h" +#include "regs.h" +#include "memmodel.h" +#include "ira.h" +#include "ira-int.h" +#include "toplev.h" +#include "target-globals.h" +#include "flags.h" +#include "reload.h" +#include "libfuncs.h" +#include "cfgloop.h" +#include "builtins.h" +#include "gcse.h" +#include "bb-reorder.h" +#include "lower-subreg.h" +#include "function-abi.h" + +#if SWITCHABLE_TARGET +class target_globals default_target_globals = { + &default_target_flag_state, + &default_target_regs, + &default_target_rtl, + &default_target_recog, + &default_target_hard_regs, + &default_target_function_abi_info, + &default_target_reload, + &default_target_expmed, + &default_target_optabs, + &default_target_libfuncs, + &default_target_cfgloop, + &default_target_ira, + &default_target_ira_int, + &default_target_builtins, + &default_target_gcse, + &default_target_bb_reorder, + &default_target_lower_subreg +}; + +class target_globals * +save_target_globals (void) +{ + class target_globals *g = ggc_cleared_alloc <target_globals> (); + g->flag_state = XCNEW (class target_flag_state); + g->regs = XCNEW (struct target_regs); + g->rtl = ggc_cleared_alloc<target_rtl> (); + g->recog = XCNEW (struct target_recog); + g->hard_regs = XCNEW (struct target_hard_regs); + g->function_abi_info = XCNEW (struct target_function_abi_info); + g->reload = XCNEW (struct target_reload); + g->expmed = XCNEW (struct target_expmed); + g->optabs = XCNEW (struct target_optabs); + g->libfuncs = ggc_cleared_alloc<target_libfuncs> (); + g->cfgloop = XCNEW (struct target_cfgloop); + g->ira = XCNEW (struct target_ira); + g->ira_int = XCNEW (class target_ira_int); + g->builtins = XCNEW (struct target_builtins); + g->gcse = XCNEW (struct target_gcse); + g->bb_reorder = XCNEW (struct target_bb_reorder); + g->lower_subreg = XCNEW (struct target_lower_subreg); + restore_target_globals (g); + init_reg_sets (); + target_reinit (); + return g; +} + +/* Like save_target_globals() above, but set *this_target_optabs + correctly when a previous function has changed + *this_target_optabs. */ + +class target_globals * +save_target_globals_default_opts () +{ + class target_globals *globals; + + if (optimization_current_node != optimization_default_node) + { + tree opts = optimization_current_node; + /* Temporarily switch to the default optimization node, so that + *this_target_optabs is set to the default, not reflecting + whatever a previous function used for the optimize + attribute. */ + optimization_current_node = optimization_default_node; + cl_optimization_restore + (&global_options, &global_options_set, + TREE_OPTIMIZATION (optimization_default_node)); + globals = save_target_globals (); + optimization_current_node = opts; + cl_optimization_restore (&global_options, &global_options_set, + TREE_OPTIMIZATION (opts)); + return globals; + } + return save_target_globals (); +} + +target_globals::~target_globals () +{ + /* default_target_globals points to static data so shouldn't be freed. */ + if (this != &default_target_globals) + { + ira_int->~target_ira_int (); + hard_regs->finalize (); + XDELETE (flag_state); + XDELETE (regs); + XDELETE (recog); + XDELETE (hard_regs); + XDELETE (function_abi_info); + XDELETE (reload); + XDELETE (expmed); + XDELETE (optabs); + XDELETE (cfgloop); + XDELETE (ira); + XDELETE (ira_int); + XDELETE (builtins); + XDELETE (gcse); + XDELETE (bb_reorder); + XDELETE (lower_subreg); + } +} + +#endif |