[Bug target/97638] aarch64: bti c is missing at function entry with branch-protection

[cvs-commit at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97638

--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Sudakshina Das
<sudi@gcc.gnu.org>:

https://gcc.gnu.org/g:454702f5213a7a8b6b3581c29c817b952ce0f184

commit r10-8996-g454702f5213a7a8b6b3581c29c817b952ce0f184
Author: Sudakshina Das <sudi.das@arm.com>
Date:   Mon Nov 2 15:52:22 2020 +0000

    [PATCH] aarch64: Fix PR97638

    Currently the testcase in the patch was failing to produce
    a 'bti c' at the beginning of the function. This was because
    in aarch64_pac_insn_p, we were wrongly returning at the first
    check!

    2020-10-30  Sudakshina Das  <sudi.das@arm.com>

    gcc/ChangeLog:

            PR target/97638
            * config/aarch64/aarch64-bti-insert.c (aarch64_pac_insn_p): Update
            return value on INSN_P check.

    gcc/testsuite/ChangeLog:

            PR target/97638
            * gcc.target/aarch64/pr97638.c: New test.a

    (cherry picked from commit ce99142c11b8090105cbf2aa853262f6d9abc0d3)