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authorRichard Sandiford <rdsandiford@googlemail.com>2010-07-12 18:53:01 +0000
committerRichard Sandiford <rsandifo@gcc.gnu.org>2010-07-12 18:53:01 +0000
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tree31082728f6e9907bb69ff117b048b63b0e31d51a /gcc/target-globals.h
parent7beb0596ea999005a74327e48c6174988eb61ced (diff)
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tm.texi.in (SWITCHABLE_TARGET): Document.
gcc/ * doc/tm.texi.in (SWITCHABLE_TARGET): Document. * doc/tm.texi: Regenerate. * Makefile.in (OBJS-common): Add target-globals.o. (gtype-desc.o): Depend on $(IPA_PROP_H), $(LTO_STREAMER_H) and target-globals.h. (target-globals.o): New rule. (GTFILES): Include $(srcdir)/target-globals.h. * defaults.h (SWITCHABLE_TARGET): Define. * gengtype.c (open_base_files): Add target-globals.h to the list of includes. * target-globals.h: New file. * target-globals.c: Likewise. * Makefile.in (target-globals.o): Depend on $(FLAGS_H). * flags.h (target_flag_state): New structure. (default_target_flag_state): Declare. (this_target_flag_state): Declare as a variable or define as a macro. (align_loops_log): Redefine as a macro. (align_loops_max_skip, align_jumps_log): Likewise. (align_jumps_max_skip, align_labels_log): Likewise. (align_labels_max_skip, align_functions_log): Likewise. * toplev.c (default_target_flag_state): New variable. (this_target_flag_state): New conditional variable. (align_loops_log): Delete. (align_loops_max_skip, align_jumps_log): Likewise. (align_jumps_max_skip, align_labels_log): Likewise. (align_labels_max_skip, align_functions_log): Likewise. * target-globals.h (this_target_flag_state): Declare. (target_globals): Add a flag_state field. (restore_target_globals): Copy the flag_state field to this_target_flag_state. * target-globals.c: Include flags.h. (default_target_globals): Initialize the flag_state field. (save_target_globals): Likewise. From-SVN: r162086
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diff --git a/gcc/target-globals.h b/gcc/target-globals.h
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+/* Target-dependent globals.
+ Copyright (C) 2010 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/>. */
+
+#ifndef TARGET_GLOBALS_H
+#define TARGET_GLOBALS_H 1
+
+#if SWITCHABLE_TARGET
+extern struct target_flag_state *this_target_flag_state;
+
+struct GTY(()) target_globals {
+ struct target_flag_state *GTY((skip)) flag_state;
+};
+
+extern struct target_globals default_target_globals;
+
+extern struct target_globals *save_target_globals (void);
+
+static inline void
+restore_target_globals (struct target_globals *g)
+{
+ this_target_flag_state = g->flag_state;
+}
+#endif
+
+#endif