[Bug target/65368] [4.8/4.9 Regression]_bzhi_u32 intrinsic generates incorrect code when -O1 or above is specified and index is an immediate

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65368

--- Comment #12 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Wed Jun  3 21:34:36 2015
New Revision: 224103

URL: https://gcc.gnu.org/viewcvs?rev=224103&root=gcc&view=rev
Log:
        Backported from mainline
        2015-03-10  Jakub Jelinek  <ja...@redhat.com>

        PR target/65368
        * config/i386/i386.md (bmi2_bzhi_<mode>3): Removed define_insn,
        new define_expand.
        (*bmi2_bzhi_<mode>3, *bmi2_bzhi_<mode>3_1): New define_insns.

        * gcc.target/i386/bmi2-bzhi-2.c: New test.

Added:
    branches/gcc-4_8-branch/gcc/testsuite/gcc.target/i386/bmi2-bzhi-2.c
Modified:
    branches/gcc-4_8-branch/gcc/ChangeLog
    branches/gcc-4_8-branch/gcc/config/i386/i386.md
    branches/gcc-4_8-branch/gcc/testsuite/ChangeLog