[Bug c++/12850] [3.4/3.5 Regression] memory consumption for heavy template instantiations tripled since 3.3

["cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Additional Comments From cvs-commit at gcc dot gnu dot org  2004-02-01 13:01 -------
Subject: Bug 12850

CVSROOT:	/cvs/gcc
Module name:	gcc
Branch: 	gcc-3_4-branch
Changes by:	hubicka@gcc.gnu.org	2004-02-01 13:01:15

Modified files:
	gcc            : ChangeLog cgraph.c cgraphunit.c tree-optimize.c 
	gcc/cp         : ChangeLog semantics.c 

Log message:
	PR c++/12850
	* cgraph.c (cgraph_remove_node): Clear out saved/insns/arguments and
	initial pointers.
	* cgraphunit.c (cgraph_finalize_function): Clear out DECL_SAVED_INSNS
	for functions that will be only inlined.
	(cgraph_mark_function_to_output): Likewise.
	(cgraph_expand_function): Sanity check that DECL_DEFER_OUTPUT is clear;
	do not clear function body.
	* tree-optimize.c (clear_decl_rtl): Use decl_function_context.
	(tree_rest_of_compilation): Reorganize the logic releasing function
	body to use callgraph datastructure.
	
	* semantics.c (expand_body)  Do emit_associated_thunks before
	expansion.

Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.2326.2.127&r2=2.2326.2.128
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cgraph.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.41.2.3&r2=1.41.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cgraphunit.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.46.2.3&r2=1.46.2.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/tree-optimize.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=2.8.8.3&r2=2.8.8.4
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.3892.2.23&r2=1.3892.2.24
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/cp/semantics.c.diff?cvsroot=gcc&only_with_tag=gcc-3_4-branch&r1=1.381.4.4&r2=1.381.4.5



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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12850