r167367 - in /trunk/gcc: ChangeLog gimple.c tes...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Dec  2 12:24:46 2010
New Revision: 167367

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=167367
Log:
2010-12-02  Richard Guenther  <rguenther@suse.de>

	PR lto/44871
	* gimple.c (canonical_type_hash_cache): New hashtable.
	(gimple_type_hash): Make a wrapper around ...
	(gimple_type_hash_1): ... this.  Take gtc_mode argument.
	(gimple_canonical_type_hash): Likewise.
	(gtc_visit): Take a gtc_mode argument.
	(gimple_types_compatible_p_1): Likewise. Do not compare struct
	tag names or field names when computing canonical types.
	(gimple_types_compatible_p): Adjust.
	(visit): Take a gtc_mode argument.
	(iterative_hash_gimple_type): Likewise.  Do not hash struct tag
	names or field names when computing hashes of canonical types.
	(gimple_register_canonical_type): Use gimple_canonical_type_hash
	for the hash.
	(print_gimple_types_stats): Dump stats of canonical_type_hash_cache.
	(free_gimple_type_tables): Free canonical_type_hash_cache.

	* g++.dg/lto/20101126-1_0.C: New testcase.
	* g++.dg/lto/20101126-1_1.c: Likewise.

Added:
    trunk/gcc/testsuite/g++.dg/lto/20101126-1_0.C
    trunk/gcc/testsuite/g++.dg/lto/20101126-1_1.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple.c
    trunk/gcc/testsuite/ChangeLog