2017-08-28 Richard Biener <rguenther@suse.de>

2017-08-28  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2017-08-01  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81181
	* tree-ssa-pre.c (compute_antic_aux): Defer clean() to ...
	(compute_antic): ... end of iteration here.

	* gcc.dg/torture/pr81181.c: New testcase.

	2017-08-08  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/81723
	* tree-vect-slp.c (struct bst_traits): New hash traits.
	(bst_fail): New global.
	(vect_build_slp_tree_2): New worker, split out from ...
	(vect_build_slp_tree): ... this now wrapping it with using
	bst_fail set to cache SLP tree build fails.  Properly handle
	max_tree_size.
	(vect_analyze_slp_instance): Allocate and free bst_fail.

	* gfortran.dg/pr81723.f: New testcase.

	2017-08-24  Richard Biener  <rguenther@suse.de>

	PR target/81921
	* config/i386/i386.c: Include symbol-summary.h, ipa-prop.h
	and ipa-inline.h.
	(ix86_can_inline_p): When ix86_fpmath flags do not match
	check whether the callee uses FP math at all.

	* gcc/testsuite/gcc.target/i386/pr81921.c: New testcase.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-7-branch@251376 138bc75d-0d04-0410-961f-82ee72b054a4