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From: "jakub at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/99378] [8/9/10 Regression] ICE in
 decompose_normal_address, at rtlanal.c:6710
Date: Mon, 08 Mar 2021 16:33:16 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99378

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[8/9/10/11 Regression] ICE  |[8/9/10 Regression] ICE in
                   |in                          |decompose_normal_address,
                   |decompose_normal_address,   |at rtlanal.c:6710
                   |at rtlanal.c:6710           |

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Yes.  But note the
https://gcc.gnu.org/g:04b4828c6dd215385fde6964a5e13da8a01a78ba=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20

commit r11-7554-g04b4828c6dd215385fde6964a5e13da8a01a78ba=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
Author: Vladimir N. Makarov <vmakarov@redhat.com>=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20
Date:   Mon Mar 8 09:24:57 2021 -0500=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20

    [PR99422] LRA: Skip modifiers when processing memory address.=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20

      Function process_address_1 can wrongly look at constraint modifiers=
=20=20=20=20=20=20=20
    instead of the 1st constraint itself.  The patch solves the problem.=20=
=20=20=20=20=20=20=20

    gcc/ChangeLog:=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20

            PR target/99422=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=
=20=20=20=20=20=20=20=20=20=20=20=20
            * lra-constraints.c (skip_contraint_modifiers): New function.=
=20=20=20=20=20=20=20
            (process_address_1): Use it before lookup_constraint call.=20=
=20=20=20=20=20=20=20=20=20
follow-up.=