[Bug target/112987] [14 Regression][aarch64] ICE in aarch64_do_track_speculation, at config/aarch64/aarch64-speculation.cc:214 since r14-5886-g426fddcbdad674

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112987

--- Comment #3 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Szabolcs Nagy <n...@gcc.gnu.org>:

https://gcc.gnu.org/g:305fe4f136a3a3a78377a48c55d546000a3ba529

commit r14-8432-g305fe4f136a3a3a78377a48c55d546000a3ba529
Author: Szabolcs Nagy <szabolcs.n...@arm.com>
Date:   Wed Jan 24 18:50:19 2024 +0000

    aarch64: Fix eh_return for -mtrack-speculation [PR112987]

    Recent commit introduced a conditional branch in eh_return epilogues
    that is not compatible with speculation tracking:

      commit 426fddcbdad6746fe70e031f707fb07f55dfb405
      Author:     Szabolcs Nagy <szabolcs.n...@arm.com>
      CommitDate: 2023-11-27 15:52:48 +0000

      aarch64: Use br instead of ret for eh_return

    Refactor the compare zero and jump pattern and use it to fix the issue.

    gcc/ChangeLog:

            PR target/112987
            * config/aarch64/aarch64.cc (aarch64_gen_compare_zero_and_branch):
New.
            (aarch64_expand_epilogue): Use the new function.
            (aarch64_split_compare_and_swap): Likewise.
            (aarch64_split_atomic_op): Likewise.