[Bug target/67849] AVX512 Hitting upper-bank register on extract insn split

[kyukhin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67849

--- Comment #3 from Kirill Yukhin <kyukhin at gcc dot gnu.org> ---
Author: kyukhin
Date: Mon Oct 12 11:03:56 2015
New Revision: 228709

URL: https://gcc.gnu.org/viewcvs?rev=228709&root=gcc&view=rev
Log:
        PR target/67849
gcc/
        * config/i386/sse.md (define_split vec_select/V8FI): Restrict
        split for upper-bank registers when target does not support
        AVX512VL.
        (define_insn "vec_extract_lo_<mode><mask_name>"): Restrict
        split when target does not support AVX512VL.
gcc/testsuite/
        * gcc.target/i386/pr67480.c: New test.


Added:
    branches/gcc-5-branch/gcc/testsuite/gcc.target/i386/pr67480.c
Modified:
    branches/gcc-5-branch/gcc/ChangeLog
    branches/gcc-5-branch/gcc/config/i386/sse.md
    branches/gcc-5-branch/gcc/testsuite/ChangeLog