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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/94820] [8/9/10 Regression] pr94780.c fails with ICE on
 aarch64
Date: Wed, 29 Apr 2020 08:24:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94820

--- Comment #4 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jakub Jelinek <jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:d81bc2af7d2700888e414eb5a322ff5f5b0df0bb

commit r10-8038-gd81bc2af7d2700888e414eb5a322ff5f5b0df0bb
Author: Haijian Zhang <z.zhanghaijian@huawei.com>
Date:   Wed Apr 29 10:23:11 2020 +0200

    pr94780.c fails with ICE on aarch64 [PR94820]

    This is a simple fix for pr94820.
    The PR was only fixed on i386, the same error was also reported on aarc=
h64.
    This function, because it is sometimes called even outside of function
bodies, uses create_tmp_var_raw rather than create_tmp_var.
    But in order for that to work, when first referenced, the VAR_DECLs nee=
d to
appear in a TARGET_EXPR so that during gimplification
    the var gets the right DECL_CONTEXT and is added to local decls. Without
that, e.g. tree-nested.c ICEs on those.

    2020-04-29  Haijian Zhang  <z.zhanghaijian@huawei.com>

            PR target/94820
            * config/aarch64/aarch64-builtins.c
            (aarch64_atomic_assign_expand_fenv): Use TARGET_EXPR instead of
            MODIFY_EXPR for first assignment to fenv_cr, fenv_sr and
            new_fenv_var.=