gcc/target-globals.h

   1 /* Target-dependent globals.
   2    Copyright (C) 2010-2014 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
  24 extern struct target_flag_state *this_target_flag_state;
  25 extern struct target_regs *this_target_regs;
  26 extern struct target_rtl *this_target_rtl;
  27 extern struct target_hard_regs *this_target_hard_regs;
  28 extern struct target_reload *this_target_reload;
  29 extern struct target_expmed *this_target_expmed;
  30 extern struct target_optabs *this_target_optabs;
  31 extern struct target_libfuncs *this_target_libfuncs;
  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;
  36 extern struct target_builtins *this_target_builtins;
  37 extern struct target_gcse *this_target_gcse;
  38 extern struct target_bb_reorder *this_target_bb_reorder;
  39 extern struct target_lower_subreg *this_target_lower_subreg;
  40 #endif
  41
  42 struct GTY(()) target_globals {
  43   struct target_flag_state *GTY((skip)) flag_state;
  44   void *GTY((atomic)) regs;
  45   struct target_rtl *rtl;
  46   void *GTY((atomic)) hard_regs;
  47   void *GTY((atomic)) reload;
  48   void *GTY((atomic)) expmed;
  49   struct target_optabs *GTY((skip)) optabs;
  50   struct target_libfuncs *libfuncs;
  51   struct target_cfgloop *GTY((skip)) cfgloop;
  52   void *GTY((atomic)) ira;
  53   void *GTY((atomic)) ira_int;
  54   void *GTY((atomic)) lra_int;
  55   struct target_builtins *GTY((skip)) builtins;
  56   struct target_gcse *GTY((skip)) gcse;
  57   struct target_bb_reorder *GTY((skip)) bb_reorder;
  58   struct target_lower_subreg *GTY((skip)) lower_subreg;
  59 };
  60
  61 #if SWITCHABLE_TARGET
  62 extern struct target_globals default_target_globals;
  63
  64 extern struct target_globals *save_target_globals (void);
  65 extern struct target_globals *save_target_globals_default_opts (void);
  66
  67 static inline void
  68 restore_target_globals (struct target_globals *g)
  69 {
  70   this_target_flag_state = g->flag_state;
  71   this_target_regs = (struct target_regs *) g->regs;
  72   this_target_rtl = g->rtl;
  73   this_target_hard_regs = (struct target_hard_regs *) g->hard_regs;
  74   this_target_reload = (struct target_reload *) g->reload;
  75   this_target_expmed = (struct target_expmed *) g->expmed;
  76   this_target_optabs = g->optabs;
  77   this_target_libfuncs = g->libfuncs;
  78   this_target_cfgloop = g->cfgloop;
  79   this_target_ira = (struct target_ira *) g->ira;
  80   this_target_ira_int = (struct target_ira_int *) g->ira_int;
  81   this_target_lra_int = (struct target_lra_int *) g->lra_int;
  82   this_target_builtins = g->builtins;
  83   this_target_gcse = g->gcse;
  84   this_target_bb_reorder = g->bb_reorder;
  85   this_target_lower_subreg = g->lower_subreg;
  86 }
  87 #endif
  88
  89 #endif