[thirdparty/gcc.git] / gcc / generic-match-head.c

/* Preamble and helpers for the autogenerated generic-match.c file.
   Copyright (C) 2014-2015 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 "hash-set.h"
#include "vec.h"
#include "input.h"
#include "alias.h"
#include "symtab.h"
#include "options.h"
#include "inchash.h"
#include "tree.h"
#include "fold-const.h"
#include "stringpool.h"
#include "stor-layout.h"
#include "flags.h"
#include "tm.h"
#include "hard-reg-set.h"
#include "function.h"
#include "predict.h"
#include "basic-block.h"
#include "tree-ssa-alias.h"
#include "internal-fn.h"
#include "gimple-expr.h"
#include "is-a.h"
#include "gimple.h"
#include "gimple-ssa.h"
#include "tree-ssanames.h"
#include "gimple-fold.h"
#include "gimple-iterator.h"
#include "hashtab.h"
#include "rtl.h"
#include "statistics.h"
#include "insn-config.h"
#include "expmed.h"
#include "dojump.h"
#include "explow.h"
#include "calls.h"
#include "emit-rtl.h"
#include "varasm.h"
#include "stmt.h"
#include "expr.h"
#include "tree-dfa.h"
#include "builtins.h"
#include "tree-phinodes.h"
#include "ssa-iterators.h"
#include "dumpfile.h"
#include "generic-match.h"

/* Routine to determine if the types T1 and T2 are effectively
   the same for GENERIC.  If T1 or T2 is not a type, the test
   applies to their TREE_TYPE.  */

static inline bool
types_match (tree t1, tree t2)
{
  if (!TYPE_P (t1))
    t1 = TREE_TYPE (t1);
  if (!TYPE_P (t2))
    t2 = TREE_TYPE (t2);

  return TYPE_MAIN_VARIANT (t1) == TYPE_MAIN_VARIANT (t2);
}

/* Return if T has a single use.  For GENERIC, we assume this is
   always true.  */

static inline bool
single_use (tree t ATTRIBUTE_UNUSED)
{
  return true;
}
Commit	Line	Data
2165588a	1	/* Preamble and helpers for the autogenerated generic-match.c file.
d353bf18	2	Copyright (C) 2014-2015 Free Software Foundation, Inc.
2165588a	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"
b20a8bb4	23	#include "hash-set.h"
b20a8bb4	24	#include "vec.h"
b20a8bb4	25	#include "input.h"
	26	#include "alias.h"
	27	#include "symtab.h"
	28	#include "options.h"
b20a8bb4	29	#include "inchash.h"
2165588a	30	#include "tree.h"
b20a8bb4	31	#include "fold-const.h"
2165588a	32	#include "stringpool.h"
	33	#include "stor-layout.h"
	34	#include "flags.h"
	35	#include "tm.h"
	36	#include "hard-reg-set.h"
	37	#include "function.h"
94ea8568	38	#include "predict.h"
2165588a	39	#include "basic-block.h"
	40	#include "tree-ssa-alias.h"
	41	#include "internal-fn.h"
	42	#include "gimple-expr.h"
	43	#include "is-a.h"
	44	#include "gimple.h"
	45	#include "gimple-ssa.h"
	46	#include "tree-ssanames.h"
	47	#include "gimple-fold.h"
	48	#include "gimple-iterator.h"
d53441c8	49	#include "hashtab.h"
	50	#include "rtl.h"
	51	#include "statistics.h"
d53441c8	52	#include "insn-config.h"
	53	#include "expmed.h"
	54	#include "dojump.h"
	55	#include "explow.h"
	56	#include "calls.h"
	57	#include "emit-rtl.h"
	58	#include "varasm.h"
	59	#include "stmt.h"
2165588a	60	#include "expr.h"
	61	#include "tree-dfa.h"
	62	#include "builtins.h"
	63	#include "tree-phinodes.h"
	64	#include "ssa-iterators.h"
	65	#include "dumpfile.h"
55534d34	66	#include "generic-match.h"
2165588a	67
8cd9143e	68	/* Routine to determine if the types T1 and T2 are effectively
b1306f12	69	the same for GENERIC. If T1 or T2 is not a type, the test
b1306f12	70	applies to their TREE_TYPE. */
2165588a	71
8cd9143e	72	static inline bool
	73	types_match (tree t1, tree t2)
	74	{
b1306f12	75	if (!TYPE_P (t1))
	76	t1 = TREE_TYPE (t1);
	77	if (!TYPE_P (t2))
	78	t2 = TREE_TYPE (t2);
	79
8cd9143e	80	return TYPE_MAIN_VARIANT (t1) == TYPE_MAIN_VARIANT (t2);
	81	}
	82
	83	/* Return if T has a single use. For GENERIC, we assume this is
	84	always true. */
	85
	86	static inline bool
	87	single_use (tree t ATTRIBUTE_UNUSED)
	88	{
	89	return true;
	90	}