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Subject: [Bug tree-optimization/105367] [12 Regression] ICE: SIGSEGV in
 contains_struct_check (tree.h:3570) with -Ofast -mveclibabi=acml
Date: Tue, 26 Apr 2022 07:40:39 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105367

--- Comment #5 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:5face32b7f439bba283e2eeb2a50f192d605bf57

commit r12-8261-g5face32b7f439bba283e2eeb2a50f192d605bf57
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Tue Apr 26 09:40:03 2022 +0200

    i386: Fix up ICE with -mveclibabi=3D{acml,svml} [PR105367]

    The following testcase ICEs, because conversion between scalar float ty=
pes
    which have the same mode are useless in GIMPLE, but for mathfn_built_in=
 the
    exact type matters (it treats say double and _Float64 or float and _Flo=
at32
    differently, using different suffixes and for the _Float* sometimes
    returning NULL when float/double do have a builtin).

    In ix86_veclibabi_{svml,acml} we are using mathfn_built_in just so that
    we don't have to translate the combined_fn and SFmode vs. DFmode into
    strings ourselfs, and we already earlier punt on anything but SFmode and
    DFmode.  So, this patch just uses the double or float types depending
    on the modes, rather than the types we actually got and which might be
    _Float64 or _Float32 etc.

    2022-04-26  Jakub Jelinek  <jakub@redhat.com>

            PR target/105367
            * config/i386/i386.cc (ix86_veclibabi_svml, ix86_veclibabi_acml=
):
Pass
            el_mode =3D=3D DFmode ? double_type_node : float_type_node inst=
ead of
            TREE_TYPE (type_in) as first arguments to mathfn_built_in.

            * gcc.target/i386/pr105367.c: New test.=