[Bug target/84331] Execution failures on Skylake server with -march=native

[jkoval at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84331

--- Comment #1 from Julia Koval <jkoval at gcc dot gnu.org> ---
Author: jkoval
Date: Mon Apr 16 11:23:55 2018
New Revision: 259399

URL: https://gcc.gnu.org/viewcvs?rev=259399&root=gcc&view=rev
Log:
Fixed g++.dg/ext/mv16.C with -march=native.

gcc/
        PR target/84331
        * gcc/config.gcc: Support "skylake".
        * gcc/config/i386/i386-c.c (ix86_target_macros_internal): Handle
        PROCESSOR_SKYLAKE.
        * gcc/config/i386/i386.c (m_SKYLAKE): Define.
        (processor_target_table): Add "skylake".
        (ix86_option_override_internal): Add "skylake".
        (get_builtin_code_for_version): Handle PROCESSOR_SKYLAKE,
        PROCESSOR_CANNONLAKE.
        (get_builtin_code_for_version): Fix priority for
        PROCESSOR_ICELAKE_CLIENT, PROCESSOR_ICELAKE_SERVER,
        PROCESSOR_SKYLAKE-AVX512.
        * gcc/config/i386/i386.h (processor_costs): Define TARGET_SKYLAKE.
        (processor_type): Add PROCESSOR_SKYLAKE.

gcc/testsuite/
        PR target/84331
        * gcc/testsuite/gcc.target/i386/funcspec-56.inc: Test arch=skylake.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config.gcc
    trunk/gcc/config/i386/i386-c.c
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.h
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/funcspec-56.inc