https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70222
--- Comment #14 from Jakub Jelinek <jakub at gcc dot 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 <ja...@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