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Date:      Fri, 02 Feb 2018 23:45:51 +0000
From:      bugzilla-noreply@freebsd.org
To:        freebsd-ports-bugs@FreeBSD.org
Subject:   [Bug 224669] [exp-run] Against projects/clang600-import branch
Message-ID:  <bug-224669-13-seM0tp02Rd@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-224669-13@https.bugs.freebsd.org/bugzilla/>
References:  <bug-224669-13@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D224669

--- Comment #60 from Dimitry Andric <dim@FreeBSD.org> ---
(In reply to Jan Beich from comment #59)
> Dimitry, assuming cluster machines support AVX2 how useful an -exp run wi=
th
> the following in make.conf would be in terms of uncovering Clang crashes?
> Would C++98 workaround get in the way if applied for better coverage?
>=20
>   CPUTYPE ?=3D native
>   # XXX bug 112997: Haswell-like
>   MACHINE_CPU +=3D avx2 avx sse42 sse41 ssse3 sse3 popcnt fma3
>   .if ${MACHINE_CPUARCH} =3D=3D i386
>   MACHINE_CPU +=3D sse2 sse i686 mmx i586 i486
>   .endif
>=20
> Reading bug 223300 and bug 225488 I get the impression quite a few of our
> users tweak CPUTYPE.

Hmm, I'm not really a big fan of the 'native' setting, I'd rather just spec=
ify
the exact CPU we're targeting instead.  So if you want AVX2, I think specif=
ying
CPUTYPE=3Dcore-avx2 should be enough?

--=20
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