From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id EAF16385E019; Thu, 2 Sep 2021 07:15:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org EAF16385E019 From: "rguenth at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug middle-end/25186] (short)(((int)short_var) <<1) should be folded so that the shift is done in the short type Date: Thu, 02 Sep 2021 07:15:38 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: middle-end X-Bugzilla-Version: 4.2.0 X-Bugzilla-Keywords: easyhack, missed-optimization, TREE X-Bugzilla-Severity: enhancement X-Bugzilla-Who: rguenth 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: keywords cf_reconfirmed_on 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: Thu, 02 Sep 2021 07:15:39 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D25186 Richard Biener changed: What |Removed |Added ---------------------------------------------------------------------------- Keywords| |easyhack Last reconfirmed|2021-08-21 00:00:00 |2021-9-2 --- Comment #9 from Richard Biener --- The optimization is still not done, the shift could be unconditionally made= a logical shift but on the smaller type.=