r252110 - in /branches/range-gen2/gcc: ChangeLo...

[aldyh@gcc.gnu.org]

Author: aldyh
Date: Wed Sep 13 15:50:53 2017
New Revision: 252110

URL: https://gcc.gnu.org/viewcvs?rev=252110&root=gcc&view=rev
Log:
	PR tree-optimization/81555
	PR tree-optimization/81556
	* tree-ssa-reassoc.c (rewrite_expr_tree): Add NEXT_CHANGED argument,
	if true, force CHANGED for the recursive invocation.
	(reassociate_bb): Remember original length of ops array, pass
	len != orig_len as NEXT_CHANGED in rewrite_expr_tree call.

	* gcc.c-torture/execute/pr81555.c: New test.
	* gcc.c-torture/execute/pr81556.c: New test.

Added:
    branches/range-gen2/gcc/testsuite/gcc.c-torture/execute/pr81555.c
    branches/range-gen2/gcc/testsuite/gcc.c-torture/execute/pr81556.c
Modified:
    branches/range-gen2/gcc/ChangeLog
    branches/range-gen2/gcc/testsuite/ChangeLog
    branches/range-gen2/gcc/tree-ssa-reassoc.c