r133081 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Mon Mar 10 17:14:45 2008
New Revision: 133081

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=133081
Log:
2008-03-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/34677
	* tree-ssa-pre.c (modify_expr_node_pool): Remove.
	(poolify_tree): Likewise.
	(modify_expr_template): Likewise.
	(poolify_modify_stmt): Likewise.
	(insert_fake_stores): Handle all component-ref style stores
	in addition to INDIRECT_REF.  Also handle complex types.
	Do not poolify the inserted load.
	(realify_fake_stores): Do not rebuild the tree but only
	make it a SSA_NAME copy.
	(init_pre): Remove initialzation of modify_expr_template.
	Do not allocate modify_expr_node_pool.
	(fini_pre): Do not free modify_expr_node_pool.

	* gcc.dg/tree-ssa/loadpre23.c: New testcase.
	* gcc.dg/tree-ssa/loadpre24.c: Likewise.
	* gcc.dg/tree-ssa/loadpre25.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre23.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre24.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/loadpre25.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-pre.c