From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 6C84C3858D20; Fri, 30 Jun 2023 07:28:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6C84C3858D20 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688110135; bh=cB2Xuv7tCc6ROShQ93X2FEcvkaWrZYgWEuFCVVMyFbs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=a6GwFPw45FU3Bc1ViCTNyiHS/HxrsabLwPe81God5dELNaSHpS1oWbkBxeZk+oBgX OjNnbcFGwS1gNJjVv+c+eUPwBQoQtDs2yS4CSNkmvWEUpgl19T1iq15nzNopE5sNyV tb7o7O/cGeRbFZ4PwkAU3OjsZl9ia6kAzFWwFgTs= From: "mkretz at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/108742] Incorrect constant folding with (or exposed by) -fexcess-precision=standard Date: Fri, 30 Jun 2023 07:28:53 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 12.2.1 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: mkretz at gcc dot gnu.org 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: cc 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D108742 Matthias Kretz (Vir) changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |mkretz at gcc dot gnu.org --- Comment #14 from Matthias Kretz (Vir) --- It seems like the C++ standard doesn't allow excess precision of floating-p= oint literals. And it wouldn't allow (float)3.14f to be anything different than 3.14f either. See https://cplusplus.github.io/CWG/issues/2752.html=