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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/107096] Fully masking vectorization with
 AVX512 ICEs gcc.dg/vect/vect-over-widen-*.c
Date: Mon, 10 Oct 2022 12:55:53 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107096

--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> ---
On Mon, 10 Oct 2022, rsandifo at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107096
>=20
> --- Comment #6 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.=
org> ---
> The PR means supporting targets where this assumption doesn't hold.
> But I think we should test for it explicitly somehow.  For now we
> can probably assume that the assumption holds when the two mask
> modes have equal size.

more like precision but x86 uses QImode for two-element, four-element
and eight-element masks (rather than two partial integer modes with
two and four bits precision).=