r241779 - in /trunk/gcc: ChangeLog gimple-ssa-s...

[ktkachov@gcc.gnu.org]

Author: ktkachov
Date: Wed Nov  2 09:28:35 2016
New Revision: 241779

URL: https://gcc.gnu.org/viewcvs?rev=241779&root=gcc&view=rev
Log:
PR tree-optimization/78170: Truncate sign-extended padding when encoding bitfields

	PR tree-optimization/78170
	* gimple-ssa-store-merging.c (encode_tree_to_bitpos): Truncate padding
	introduced by native_encode_expr on little-endian as well.

	* gcc.c-torture/execute/pr78170.c: New test.


Added:
    trunk/gcc/testsuite/gcc.c-torture/execute/pr78170.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gimple-ssa-store-merging.c
    trunk/gcc/testsuite/ChangeLog