r261921 - in /branches/gcc-7-branch/gcc: Change...

[jakub@gcc.gnu.org]

Author: jakub
Date: Fri Jun 22 20:38:25 2018
New Revision: 261921

URL: https://gcc.gnu.org/viewcvs?rev=261921&root=gcc&view=rev
Log:
	Backported from mainline
	2018-03-13  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/84834
	* match.pd ((A & C) != 0 ? D : 0): Use INTEGER_CST@2 instead of
	integer_pow2p@2 and test integer_pow2p in condition.
	(A < 0 ? C : 0): Similarly for @1.

	* gcc.dg/pr84834.c: New test.

Added:
    branches/gcc-7-branch/gcc/testsuite/gcc.dg/pr84834.c
Modified:
    branches/gcc-7-branch/gcc/ChangeLog
    branches/gcc-7-branch/gcc/match.pd
    branches/gcc-7-branch/gcc/testsuite/ChangeLog