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From: "cvs-commit at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/112334] ICE in gen_untyped_return arm.md:9197 while
 compiling harden-cfr-bret.c
Date: Tue, 12 Dec 2023 04:16:11 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112334

--- Comment #4 from GCC Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Alexandre Oliva <aoliva@gcc.gnu.org>:

https://gcc.gnu.org/g:d96533559e26dd0c86f0708fa46eef65c35f7b90

commit r14-6446-gd96533559e26dd0c86f0708fa46eef65c35f7b90
Author: Alexandre Oliva <oliva@adacore.com>
Date:   Tue Dec 12 01:12:04 2023 -0300

    untyped calls: enable target switching [PR112334]

    The computation of apply_args_size and apply_result_size is saved in a
    static variable, so that the corresponding _mode arrays are
    initialized only once.  That is not compatible with switchable
    targets, and ARM's arm_set_current_function, by saving and restoring
    target globals, exercises this problem with a testcase such as that in
    the PR, in which more than one function in the translation unit calls
    __builtin_apply or __builtin_return, respectively.

    This patch moves the _size statics into the target_builtins array,
    with a bit of ugliness over _plus_one so that zero initialization of
    the struct does the right thing.


    for  gcc/ChangeLog

            PR target/112334
            * builtins.h (target_builtins): Add fields for apply_args_size
            and apply_result_size.
            * builtins.cc (apply_args_size, apply_result_size): Cache
            results in fields rather than in static variables.
            (get_apply_args_size, set_apply_args_size): New.
            (get_apply_result_size, set_apply_result_size): New.=