[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 #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Nov 21 10:45:58 2018
New Revision: 266340

URL: https://gcc.gnu.org/viewcvs?rev=266340&root=gcc&view=rev
Log:
        PR rtl-optimization/87817
        * config/i386/i386.md (bmi2_bzhi_<mode>3, *bmi2_bzhi_<mode>3,
        *bmi2_bzhi_<mode>3_1, *bmi2_bzhi_<mode>3_1_ccz): Use IF_THEN_ELSE
        in the pattern to avoid triggering UB when operands[2] is zero.
        (tbm_bextri_<mode>): New expander.  Renamed the old define_insn to ...
        (*tbm_bextri_<mode>): ... this.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.md