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Subject: [Bug target/101129] [11/12 Regression] wrong code at -O1 since
 r11-5839
Date: Thu, 15 Jul 2021 15:17:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101129

--- Comment #9 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by William Schmidt <wschmidt@gcc.gnu.org=
>:

https://gcc.gnu.org/g:ad5f8ac1d2f2dc92d43663243b52f9e9eb3cf7c0

commit r12-2325-gad5f8ac1d2f2dc92d43663243b52f9e9eb3cf7c0
Author: Bill Schmidt <wschmidt@linux.ibm.com>
Date:   Thu Jul 15 10:16:17 2021 -0500

    rs6000: Don't let swaps pass break multiply low-part (PR101129)

    2021-07-15  Bill Schmidt  <wschmidt@linux.ibm.com>

    gcc/
            PR target/101129
            * config/rs6000/rs6000-p8swap.c (has_part_mult): New.
            (rs6000_analyze_swaps): Insns containing a subreg of a mult are
            not swappable.

    gcc/testsuite/
            PR target/101129
            * gcc.target/powerpc/pr101129.c: New.=