r238140 - in /branches/gcc-4_9-branch/gcc: Chan...

[jakub@gcc.gnu.org]

Author: jakub
Date: Thu Jul  7 21:49:58 2016
New Revision: 238140

URL: https://gcc.gnu.org/viewcvs?rev=238140&root=gcc&view=rev
Log:
	Backported from mainline
	2016-03-15  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/70222
	* combine.c (simplify_shift_const_1): For A >> B >> C LSHIFTRT
	optimization if mode is different from result_mode, queue up masking
	of the result in outer_op.  Formatting fix.

	* gcc.c-torture/execute/pr70222-1.c: New test.
	* gcc.c-torture/execute/pr70222-2.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/execute/pr70222-1.c
    branches/gcc-4_9-branch/gcc/testsuite/gcc.c-torture/execute/pr70222-2.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/combine.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog