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Subject: [Bug target/104681] [9/10 Regression] ppc64le -mabi=ieeelongdouble
 ICE since r9-6460
Date: Tue, 10 May 2022 08:24:45 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104681

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-10 branch has been updated by Jakub Jelinek
<jakub@gcc.gnu.org>:

https://gcc.gnu.org/g:cc7bc8b2ba5adc89e99bc7923cd3e822b7d465cf

commit r10-10689-gcc7bc8b2ba5adc89e99bc7923cd3e822b7d465cf
Author: Jakub Jelinek <jakub@redhat.com>
Date:   Fri Feb 25 18:58:48 2022 +0100

    rs6000: Use rs6000_emit_move in movmisalign<mode> expander [PR104681]

    The following testcase ICEs, because for some strange reason it decides=
 to
use
    movmisaligntf during expansion where the destination is MEM and source =
is
    CONST_DOUBLE.  For normal mov<mode> expanders the rs6000 backend uses
    rs6000_emit_move to ensure that if one operand is a MEM, the other is a=
 REG
    and a few other things, but for movmisalign<mode> nothing enforced this.
    The middle-end documents that movmisalign<mode> shouldn't fail, so we c=
an't
    force that through predicates or condition on the expander.

    2022-02-25  Jakub Jelinek  <jakub@redhat.com>

            PR target/104681
            * config/rs6000/vector.md (movmisalign<mode>): Use
rs6000_emit_move.

            * g++.dg/opt/pr104681.C: New test.

    (cherry picked from commit 3885a122f817a1b6dca4a84ba9e020d5ab2060af)=