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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/105528] [11/12/13 Regression] ICE: in
 expand_expr_real_2, at expr.cc:10290 with -O2 -mavx512f
Date: Mon, 09 May 2022 06:39:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105528

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Target Milestone|---                         |11.4
          Component|target                      |tree-optimization
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2022-05-09

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Without -g:
  _9 =3D _8 >=3D { 4294967295, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 =
};
  _10 =3D BIT_FIELD_REF <w, 32, 160>;
  _11 =3D VIEW_CONVERT_EXPR<unsigned int[16]>(w)[_10];
  _12 =3D _11 + 1;
  _18 =3D w;
  _19 =3D .VEC_SET (_18, _12, _10);
  w =3D _19;
  v_13 =3D VEC_COND_EXPR <_9, { 4294967264, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0=
, 0,
0, 0, 0 }, { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }>;

With -g:
  v_13 =3D .VCONDU (_8, { 4294967295, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0=
, 0, 0
}, { 4294967264, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, { 0, 0, 0, =
0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, 111);


  vector(16) unsigned int _8;
  vector(16) <signed-boolean:1> _9;=