r198769 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri May 10 08:40:10 2013
New Revision: 198769

URL: http://gcc.gnu.org/viewcvs?rev=198769&root=gcc&view=rev
Log:
	PR tree-optimization/45216
	PR tree-optimization/57157
	* tree-ssa-forwprop.c (simplify_rotate): New function.
	(ssa_forward_propagate_and_combine): Call it.

	* c-c++-common/rotate-1.c: New test.
	* c-c++-common/rotate-1a.c: New test.
	* c-c++-common/rotate-2.c: New test.
	* c-c++-common/rotate-2a.c: New test.
	* c-c++-common/rotate-3.c: New test.
	* c-c++-common/rotate-3a.c: New test.
	* c-c++-common/rotate-4.c: New test.
	* c-c++-common/rotate-4a.c: New test.

Added:
    trunk/gcc/testsuite/c-c++-common/rotate-1.c
    trunk/gcc/testsuite/c-c++-common/rotate-1a.c
    trunk/gcc/testsuite/c-c++-common/rotate-2.c
    trunk/gcc/testsuite/c-c++-common/rotate-2a.c
    trunk/gcc/testsuite/c-c++-common/rotate-3.c
    trunk/gcc/testsuite/c-c++-common/rotate-3a.c
    trunk/gcc/testsuite/c-c++-common/rotate-4.c
    trunk/gcc/testsuite/c-c++-common/rotate-4a.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-forwprop.c