From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id E9AC5385800C; Fri, 19 Nov 2021 17:36:47 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org E9AC5385800C From: "segher at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/103316] PowerPC: Gimple folding of int128 comparisons produces suboptimal code Date: Fri, 19 Nov 2021 17:36:47 +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: 12.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: segher 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: 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: Fri, 19 Nov 2021 17:36:48 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D103316 --- Comment #13 from Segher Boessenkool --- (In reply to Bill Schmidt from comment #11) > As I mentioned privately, we could do with an audit of our implementation= of > standard patterns in general, since we tend to find such missing cases m= ore > often than I'd like... It would be great if there was some standard way of seeing what targets implement (and do not implement!) what. It will be hugely useful when implementing a new port for example, but also great when maintaining one.=