2016-07-07 Richard Biener <rguenther@suse.de>

2016-07-07  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2016-05-25  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71264
	* tree-vect-stmts.c (vect_init_vector): Properly deal with
	vector type val.

	* gcc.dg/vect/pr71264.c: New testcase.

	2016-06-07  Richard Biener  <rguenther@suse.de>

	PR middle-end/71423
	* match.pd ((X | ~Y) -> Y <= X): Properly invert the comparison
	for signed ops.

	* gcc.dg/torture/pr71423.c: New testcase.

	2016-06-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71521
	* tree-vrp.c (extract_range_from_binary_expr_1): Guard
	division int_const_binop against zero divisor.

	* gcc.dg/tree-ssa/vrp101.c: New testcase.

	2016-06-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71452
	* tree-ssa.c (non_rewritable_lvalue_p): Make sure that the
	type used for the SSA rewrite has enough precision to cover
	the dynamic type of the location.

	* gcc.dg/torture/pr71452.c: New testcase.

	2016-06-14  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/71522
	* tree-ssa.c (non_rewritable_lvalue_p): Do not rewrite non-float
	copying into float copying.

	* gcc.dg/torture/pr71522.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-6-branch@238077 138bc75d-0d04-0410-961f-82ee72b054a4