[Bug rtl-optimization/85925] [7/8/9 regression] compilation of masking with 257 goes wrong in combine at -02

[ebotcazou at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85925

--- Comment #34 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
Author: ebotcazou
Date: Thu Nov 22 16:29:50 2018
New Revision: 266384

URL: https://gcc.gnu.org/viewcvs?rev=266384&root=gcc&view=rev
Log:
        Backport from mainline
        2018-11-21  Jakub Jelinek  <ja...@redhat.com>

        PR rtl-optimization/85925
        * gcc.c-torture/execute/20181120-1.c: Require effective target
        int32plus.
        (u): New variable.
        (main): Compare d against u.f1 rather than 0x101.  Use 0x4030201
        instead of 0x10101.

Modified:
    branches/gcc-7-branch/gcc/testsuite/ChangeLog
    branches/gcc-7-branch/gcc/testsuite/gcc.c-torture/execute/20181120-1.c