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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/114471] [14 regression] ICE when building
 liblc3-1.0.4 with -fno-vect-cost-model -march=x86-64-v4
Date: Mon, 25 Mar 2024 22:51:41 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: ice-on-valid-code, needs-bisection
X-Bugzilla-Severity: normal
X-Bugzilla-Who: pinskia at gcc dot gnu.org
X-Bugzilla-Status: NEW
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X-Bugzilla-Target-Milestone: 14.0
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 cf_reconfirmed_on
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114471

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |14.0
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
           Keywords|                            |ice-on-valid-code,
                   |                            |needs-bisection
   Last reconfirmed|                            |2024-03-25

--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
A little cleaned up testcase which might show what can and cannot be SLP'ed:
```
float f1, f0, fa[2];
short sa[2];
void quantize(short s0) {
  _Bool ta[2] =3D {(fa[0] < 0), (fa[1] < 0)};
  _Bool t =3D ((s0 > 0) & ta[0]);
  short x1 =3D s0 + t;
  _Bool t1 =3D ((x1 > 0) & ta[1]);
  sa[0] =3D x1;
  sa[1] =3D s0 + t1;
}
```

Confirmed.=