r141532 - in /trunk/gcc: ChangeLog testsuite/Ch...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Sun Nov  2 13:34:58 2008
New Revision: 141532

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=141532
Log:
2008-11-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/37991
	* tree-ssa-sccvn.h (copy_vuses_from_stmt): Remove.
	* tree-ssa-sccvn.c (copy_vuses_from_stmt): Make static.
	(set_ssa_val_to): Print if the value changed.
	(simplify_binary_expression): Strip useless conversions.

	* gcc.c-torture/compile/pr37991.c: New testcase.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr37991.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-sccvn.c
    trunk/gcc/tree-ssa-sccvn.h