From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4D5A038E26CC; Thu, 6 Jun 2024 22:16:55 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4D5A038E26CC DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1717712215; bh=gibA6y8ponA7SCgsg7UCI2rxd+jZujRPyCVs8qTtcGo=; h=From:To:Subject:Date:In-Reply-To:References:From; b=pOZkEuZkivUimlNeMLGjRqlCMhnZeGAJR30G84lSg0uee+/RaTKOJ30OFQgcJo1Ld dzcrBUc9sRuUd+CkNub51KcySXlNXSrj0IJRMttoGD3VRPjJtfsxLjQ7kx1iX4ilCc ejSISKo4NgqRdid3LLsT+/0+sVeJ6sGtQoiYSOy0= From: "syq at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/111376] missed optimization of one bit test on MIPS32r1 Date: Thu, 06 Jun 2024 22:16:55 +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: unknown X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: syq at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: syq 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 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D111376 --- Comment #7 from YunQiang Su --- Ohh, I need add "&&" before "!reload_completed". It seems work with -Os. can you give me you test code? I cannot figure out a non-workable condmove C code for it. With the constant less than 0xffff, ANDI+BEQ/BNE do be generated with -Os but not for -O2.=