r266318 - in /branches/gcc-7-branch/gcc: Change...

[rguenth@gcc.gnu.org]

Author: rguenth
Date: Tue Nov 20 14:47:49 2018
New Revision: 266318

URL: https://gcc.gnu.org/viewcvs?rev=266318&root=gcc&view=rev
Log:
2018-11-20  Richard Biener  <rguenther@suse.de>

	Backport from mainline
	2018-03-12  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/84777
	* tree-ssa-loop-ch.c (should_duplicate_loop_header_p): For
	force-vectorize loops ignore whether we are optimizing for size.

	2018-01-26  Richard Biener  <rguenther@suse.de>

	PR rtl-optimization/84003
	* dse.c (record_store): Only record redundant stores when
	the earlier store aliases at least all accesses the later one does.

	* g++.dg/torture/pr77745.C: Mark foo noinline to trigger
	latent bug in DSE if NOINLINE is appropriately defined.
	* g++.dg/torture/pr77745-2.C: New testcase including pr77745.C
	and defining NOINLINE.

Added:
    branches/gcc-7-branch/gcc/testsuite/g++.dg/torture/pr77745-2.C
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/dse.c
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/g++.dg/torture/pr77745.C
    branches/gcc-7-branch/gcc/tree-ssa-loop-ch.c