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From: "malat at debian dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug tree-optimization/106322] [12/13 Regression] tree-vectorize:
 Wrong code at O2 level (-fno-tree-vectorize is working) since
 r12-2404-ga1d27560770818c5
Date: Tue, 09 Aug 2022 13:56:52 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106322

--- Comment #34 from Mathieu Malaterre <malat at debian dot org> ---
(In reply to Mathieu Malaterre from comment #33)
> (In reply to Kewen Lin from comment #32)
> > (In reply to Mathieu Malaterre from comment #30)
> > > (In reply to Martin Li=C5=A1ka from comment #29)
> > > > (In reply to Kewen Lin from comment #28)
> > > > > Sorry for the breakage, I'll have a look tomorrow.
> > > > >=20
> > > > > btw, is it able to reproduce the issue on ppc64 (or ppc64le) as w=
ell?
> > > >=20
> > > > No for gcc112 machine (ppc64le). Seems to be related to 32-bit targ=
ets.
> > >=20
> > > I could see unit-test failures of highway on most 32bits arch, as wel=
l as
> > > mips64el and ppc64be.
> >=20
> > Thanks to both guys! I'll try with ppc64 32bit first.
>=20
> Watch out that I've reduced the original test case on my local x86/32bits
> arch.
>=20
> It appears that I've lifted way too much code to reproduce the issue on
> ppc32/be. Is is ok for you to use instead, reproducer from previous comme=
nt:
>=20
> * https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106322#c16

It appears this one is also way too much lifted for proper repro on ppc32/b=
e.=