r237782 - in /trunk/gcc: ChangeLog testsuite/Ch...

[jakub@gcc.gnu.org]

Author: jakub
Date: Sat Jun 25 17:20:15 2016
New Revision: 237782

URL: https://gcc.gnu.org/viewcvs?rev=237782&root=gcc&view=rev
Log:
	PR tree-optimization/71631
	* tree-ssa-reassoc.c (reassociate_bb): Pass true as last argument
	to rewrite_expr_tree even if negate_result, move new_lhs var
	declaration and initialization earlier, for powi_result set afterwards
	new_lhs to lhs.  For negate_result, use new_lhs instead of tmp
	if new_lhs != lhs, and don't shadow gsi var.

	* gcc.c-torture/execute/pr71631.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr71631.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/tree-ssa-reassoc.c