r252279 - in /branches/range-gen2/gcc: ChangeLo...

[aldyh@gcc.gnu.org]

Author: aldyh
Date: Wed Sep 13 16:26:15 2017
New Revision: 252279

URL: https://gcc.gnu.org/viewcvs?rev=252279&root=gcc&view=rev
Log:
2017-08-03  Richard Biener  <rguenther@suse.de>

	* tree-ssa-reassoc.c (should_break_up_subtract): Also break
	up if the use is in USE - X.

	* gcc.dg/tree-ssa/reassoc-23.c: Adjust to fool early folding
	and CSE.

Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/testsuite/ChangeLog
    branches/range-gen2/gcc/testsuite/gcc.dg/tree-ssa/reassoc-23.c
    branches/range-gen2/gcc/tree-ssa-reassoc.c