https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83565
--- Comment #35 from Eric Botcazou <ebotcazou at gcc dot gnu.org> --- Author: ebotcazou Date: Fri Jan 12 10:20:42 2018 New Revision: 256573 URL: https://gcc.gnu.org/viewcvs?rev=256573&root=gcc&view=rev Log: PR rtl-optimization/83565 * rtlanal.c (nonzero_bits1): On WORD_REGISTER_OPERATIONS machines, do not extend the result to a larger mode for rotate operations. (num_sign_bit_copies1): Likewise. Added: branches/gcc-7-branch/gcc/testsuite/gcc.c-torture/execute/20180112-1.c - copied unchanged from r256572, trunk/gcc/testsuite/gcc.c-torture/execute/20180112-1.c Modified: branches/gcc-7-branch/gcc/ChangeLog branches/gcc-7-branch/gcc/rtlanal.c branches/gcc-7-branch/gcc/testsuite/ChangeLog