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From: "meissner at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug testsuite/102935] [12 regression] new test case
 gcc.target/powerpc/pr101384-1.c fails
Date: Fri, 07 Jan 2022 23:28:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102935

Michael Meissner <meissner at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
   Last reconfirmed|                            |2022-01-07
                 CC|                            |dje at gcc dot gnu.org,
                   |                            |meissner at gcc dot gnu.or=
g,
                   |                            |segher at gcc dot gnu.org
           Assignee|unassigned at gcc dot gnu.org      |meissner at gcc dot=
 gnu.org
     Ever confirmed|0                           |1

--- Comment #1 from Michael Meissner <meissner at gcc dot gnu.org> ---
The reason it fails on power9 and power10 is GCC uses vspltiw to load up all
1's into the vector register.  On power9 and power10 it uses xxspltib to lo=
ad
it up.=