2013-06-13  Marc Glisse  <marc.glisse@inria.fr>

gcc/
	* fold-const.c (negate_expr_p): Handle VECTOR_CST.
	(fold_negate_expr): Likewise.
	(fold_real_zero_addition_p): Handle vectors.
	(fold_binary_loc) <PLUS_EXPR, MINUS_EXPR>: Likewise.

gcc/testsuite/
	* gcc.dg/fold-minus-1.c: New testcase.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200073 138bc75d-0d04-0410-961f-82ee72b054a4
2013-06-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Move
	test for clearing quad memory on 32-bit later.



git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@200074 138bc75d-0d04-0410-961f-82ee72b054a4