[Bug rtl-optimization/70542] [6 Regression] Wrong code with -O3 -mavx2.

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70542

--- Comment #7 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Author: jakub
Date: Tue Apr  5 17:05:23 2016
New Revision: 234756

URL: https://gcc.gnu.org/viewcvs?rev=234756&root=gcc&view=rev
Log:
        PR rtl-optimization/70542
        * ree.c (add_removable_extension): For VECTOR_MODE_P punt
        if there are any uses other than insn or debug insns.

        * gcc.dg/torture/pr70542.c: New test.
        * gcc.target/i386/avx2-pr70542.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/torture/pr70542.c
    trunk/gcc/testsuite/gcc.target/i386/avx2-pr70542.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/ree.c
    trunk/gcc/testsuite/ChangeLog