From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id CDAB6384003A; Mon, 2 Aug 2021 17:21:14 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org CDAB6384003A From: "make_all@t-online.de" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/101649] -Wdouble-promotion warning emitted when floating point literals are not actually promoted to doubles Date: Mon, 02 Aug 2021 17:21:14 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Version: 11.1.0 X-Bugzilla-Keywords: diagnostic X-Bugzilla-Severity: normal X-Bugzilla-Who: make_all@t-online.de X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 02 Aug 2021 17:21:14 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101649 --- Comment #7 from South Window --- Since the code generation seems to always reduce a double literal to a floa= ting point in the cases this discussed here, could the function that throws this warning be extended to not throw the warning if all 32 least significant bi= ts of the double literal are zero?=