r145799 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Thu Apr  9 08:05:43 2009
New Revision: 145799

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=145799
Log:
2009-04-09  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (maybe_fold_stmt_addition): Move non-constant
	indices into an array reference if possible.
	* tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
	Fold POINTER_PLUS_EXPR statements with invariant address.

	* gcc.dg/tree-ssa/ssa-ccp-25.c: New testcase.
	* gcc.dg/tree-ssa/ssa-ccp-26.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-25.c
    trunk/gcc/testsuite/gcc.dg/tree-ssa/ssa-ccp-26.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-ccp.c
    trunk/gcc/tree-ssa-forwprop.c