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From: "liuhongt 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: Tue, 26 Mar 2024 04:09:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114471

--- Comment #6 from Hongtao Liu <liuhongt at gcc dot gnu.org> ---
(In reply to Hongtao Liu from comment #5)
> Maybe we should always use kmask under AVX512, currently only >=3D 128-bi=
ts
> vector of vector _Float16 use kmask, < 128 bits vector still use vector m=
ask.
>=20
and we need to support vec_cmp/vcond_mask for 64/32/16-bit vectors.
For the testcase, there's no kmask used at all, why x86-64-v3 doesn't issue=
 an
error.=