[Bug target/86952] Avoid jump table for switch statement with -mindirect-branch=thunk

[marxin at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86952

--- Comment #22 from Martin Liška <marxin at gcc dot gnu.org> ---
Author: marxin
Date: Fri Mar  8 12:55:40 2019
New Revision: 269492

URL: https://gcc.gnu.org/viewcvs?rev=269492&root=gcc&view=rev
Log:
x86: Disable jump tables when retpolines are used (PR target/86952).

2019-03-08  Martin Liska  <mli...@suse.cz>

        PR target/86952
        * config/i386/i386.c (ix86_option_override_internal): Disable
        jump tables when retpolines are used.
2019-03-08  Martin Liska  <mli...@suse.cz>

        PR target/86952
        * gcc.target/i386/pr86952.c: New test.
        * gcc.target/i386/indirect-thunk-7.c: Use jump tables to match
        scanned pattern.
        * gcc.target/i386/indirect-thunk-inline-7.c: Likewise.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr86952.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/i386/indirect-thunk-7.c
    trunk/gcc/testsuite/gcc.target/i386/indirect-thunk-inline-7.c