[Bug rtl-optimization/87817] [9 Regression] gcc.target/i386/bmi2-bzhi-2.c execution test

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87817

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Nov 14 12:36:59 2018
New Revision: 266140

URL: https://gcc.gnu.org/viewcvs?rev=266140&root=gcc&view=rev
Log:
        PR rtl-optimization/87817
        * config/i386/i386.c (ix86_fold_builtin): For _bzhi_u{32,64} if
        last argument has low 8 bits clear, fold to 0.

        * gcc.target/i386/bmi2-bzhi-3.c (main): Add a couple of new tests.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/bmi2-bzhi-3.c