eon performance regression

[Jan Hubicka]

Hi,
one of the patches bellow appears to be source of measurable regression for
eon benchmark.  I am not quite sure if this information is interesting for you
or not, but just in case you want take a look

see http://www.suse.de/~aj/SPEC

Honza

+ 2001-11-27  Benjamin Kosnik  <bkoz@redhat.com>
+
+ 	* include/bits/locale_facets.tcc: Formatting tweaks.
+
+ 	* testsuite/23_containers/map_operators.cc: Don't xfail.
+ 	* testsuite/23_containers/set_operators.cc: Same.
+
+ 2001-11-27  Loren J. Rittle  <ljrittle@acm.org>
+ 	    Paolo Carlini  <pcarlini@unitus.it>
+
+ 	* include/bits/basic_string.tcc (basic_string::_Rep::_S_create):
+ 	Enforce allocation size blocking policy to reduce
+ 	fragmentation and enhance performance with common malloc
+ 	implementations.
+
+ 2001-11-27  Benjamin Kosnik  <bkoz@redhat.com>
+
+ 	Numeric facets cleanup.
+ 	* include/bits/locale_facets.h (__num_base::_S_atoms): Add, remove
+ 	+ and - signs.
+ 	(__num_base::_M_zero): Add
+ 	(__num_base::_M_e): Add.
+ 	(__num_base::_M_E): Add.
+ 	* include/bits/locale_facets.tcc (num_get::_M_extract): Remove.
+ 	(num_get::_M_extract_float): New.
+ 	(num_get::_M_extract_int): New.
+ 	* src/locale.cc (num_get::_M_extract): Remove.
+
+ 	* include/bits/locale_facets.tcc (num_put::_M_insert_float):
+ 	Simplify, use _M_insert.
+ 	(num_put::do_put(bool)): Simplify, remove __pad.
+ 	(__pad): Remove.
+ 	(__pad_output): Change to __pad.
+ 	* include/bits/ostream.tcc: And here.
+ 	* src/locale-inst: Remove instantiations.
+
+ 	* include/bits/locale_facets.h: Move helper functions in to class
+ 	num_put.
+ 	(num_put::_M_insert_float): Same, for __output_integer.
+ 	(num_put::_M_insert_int): Same, for __output_float.
+ 	(num_put::_M_insert): New.
+ 	(__num_base): Add.
+ 	(__num_base::_S_format_float): Move
+ 	__build_float_format into class __num_base.
+ 	(__num_base::_S_format_int): Move __build_int_format into class
+ 	__num_base.
+ 	* include/bits/locale_facets.tcc (__group_digits): Change to
+ 	(__add_grouping): This.
+ 	* src/locale-inst.cc: And here. Tweak instantiations.
+ 	* src/misc-inst.cc: Remove instantiations.
+
+ 	* include/bits/ostream.tcc (__pad_char): Rename, adjust inserters
+ 	for new calling conventions, move to...
+ 	* include/bits/locale_facets.tcc (__pad_output): Here. Adjust
+ 	signature to make it useful for both ostream and num_put.
+ 	(__pad_numeric): Remove.
+ 	* src/misc-inst.cc: Remove instantiations.
+ 	* src/locale-inst.cc: Same.
+
+ 	* include/bits/locale_facets.h (_Numeric_get): Remove.
+  	(_Numeric_put): Remove.
+ 	(num_get::get(short)): Remove.
+ 	(num_get::get(int)): Remove.
+ 	(num_get::do_get(short)): Remove.
+ 	(num_get::do_get(int)): Remove.	
+ 	* include/bits/istream.tcc (istream::operator>>(short)): Fix as
+ 	per DR 118.
+ 	(istream::operator>>(int)): Same.
+ 
+ 	* include/bits/locale_facets.h (_Format_cache): Remove.
+ 	* include/bits/locale_facets.tcc: Same.
+ 	* src/locale.cc: Same.
+ 	* src/locale-inst.cc: Same.
+ 	* include/bits/ostream.tcc: Same.
+ 	* src/ios.cc (ios_base::imbue): Remove here as well.
+
+ 	* testsuite/22_locale/num_get.cc: New file.
+ 	* testsuite/22_locale/num_get_members_char.cc: New file.
+ 	* testsuite/22_locale/num_get_members_wchar_t.cc: New.
+ 	* testsuite/22_locale/numpunct_members_wchar_t.cc: New file.
+ 	* testsuite/22_locale/num_put.cc: New file.
+ 	* testsuite/22_locale/num_put_members_char.cc: New file.
+ 	* testsuite/22_locale/num_put_members_wchar_t.cc: New file.
+ 	* testsuite/27_io/ostream_inserter_arith.cc: Fix.
+ 	* testsuite/27_io/istream_extractor_arith.cc: Fix.
+