2014-11-26  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2014-10-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/61969
	* tree-nrv.c (pass_nrv::execute): Properly test for automatic
	variables.

	2014-08-15  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/62031
	* tree-data-ref.c (dr_analyze_indices): Do not set
	DR_UNCONSTRAINED_BASE.
	(dr_may_alias_p): All indirect accesses have to go the
	formerly DR_UNCONSTRAINED_BASE path.
	* tree-data-ref.h (struct indices): Remove
	unconstrained_base member.
	(DR_UNCONSTRAINED_BASE): Remove.

	* gcc.dg/torture/pr62031.c: New testcase.

	2014-10-10  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/63379
	* tree-vect-slp.c (vect_get_constant_vectors): Do not compute
	a neutral operand for min/max when it is not a reduction chain.

	* gcc.dg/vect/pr63379.c: New testcase.

	2014-11-07  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/63605
	* fold-const.c (fold_binary_loc): Properly use element_precision
	for types that may not be scalar.

	* gcc.dg/vect/pr63605.c: New testcase.

	2014-10-28  Richard Biener  <rguenther@suse.de>

	PR middle-end/63665
	* fold-const.c (fold_comparison): Properly guard simplifying
	against INT_MAX/INT_MIN with !TYPE_OVERFLOW_WRAPS.

	* gcc.dg/pr63665.c: New testcase.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_8-branch@218079 138bc75d-0d04-0410-961f-82ee72b054a4