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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug middle-end/114347] wrong constant folding when casting __bf16
 to int
Date: Mon, 18 Mar 2024 08:53:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114347

--- Comment #7 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jakub Jelinek from comment #6)
> You can use -fexcess-precision=3D16 if you don't want treating _Float16 a=
nd
> __bf16 as having excess precision.  With excess precision, I think the ab=
ove
> behavior is correct.
> You'd need (int) (__bf16) 257.0bf16 to get 256 even with excess precision.

Ah, -fexcess-precision=3D16 doesn't seem to be documented though (how does
this influence long double handling then?)=