r192696 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[wschmidt@gcc.gnu.org]

Author: wschmidt
Date: Mon Oct 22 22:09:22 2012
New Revision: 192696

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=192696
Log:
gcc:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gimple-ssa-strength-reduction.c (find_basis_for_candidate): Don't
	allow a candidate to be a basis for itself under another interpretation.

gcc/testsuite:

2012-10-22  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>

	PR tree-optimization/55008
	* gcc.dg/tree-ssa/pr55008.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/tree-ssa/pr55008.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-strength-reduction.c
    trunk/gcc/testsuite/ChangeLog