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From: "clyon at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/114801] [14/15 Regression] arm: ICE in
 find_cached_value, at rtx-vector-builder.cc:100 with MVE intrinsics
Date: Mon, 29 Apr 2024 16:01:22 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114801

--- Comment #27 from Christophe Lyon <clyon at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #25)
>=20
> Indeed, it ICEs e.g. during CSE.
> Though, that also means it is just about luck, if something isn't a
> CONST_INT at expansion time but simplified into CONST_INT later, it can I=
CE
> as well.

How did you test it to make it crash?
The (modifed) testcase compiles OK for me:
return vdupq_m_n_u32(vdupq_n_u32(0xffffffff), 0, 0x0acf);
return vdupq_m_n_u16(vdupq_n_u16(0xffff), 0, 0x1b0f);=