r238135 - in /branches/gcc-4_9-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Jul  7 21:46:16 2016
New Revision: 238135

URL: https://gcc.gnu.org/viewcvs?rev=238135&root=gcc&view=rev
Log:
	Backported from mainline
	2016-02-16  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/69802
	* tree-ssa-reassoc.c (update_range_test): If op is
	SSA_NAME_IS_DEFAULT_DEF, give up unless tem is a positive
	op == 1 test of precision 1 integral op, otherwise handle
	that case as op itself.  Fix up formatting.
	(optimize_range_tests_to_bit_test, optimize_range_tests): Fix
	up formatting.

	* gcc.dg/pr69802.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.dg/pr69802.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog
    branches/gcc-4_9-branch/gcc/tree-ssa-reassoc.c