From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 34133384B0C1; Tue, 21 Apr 2020 10:51:38 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 34133384B0C1 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1587466298; bh=cq/5Tc6n1ocR7vpiO2NWlN8wy9aN1uxJo9G6QL0jKnY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=SHDZMpjQ28NvRnK+lQoW+ofQaOYvK/Mkj/n/949MEm5eoNNU0esfAxcCG1UYUxPA5 NUMa2QTSUqhmr+7wVNjgnVQWZ2N8UPjP/woefHfGcKe8RbwBqqLPwo7pfDVVl8yL0i ST6/kUDLC6oZiNkkiodd1YaJqsWkJvuTRHP+iTnk= From: "z.zhanghaijian at huawei dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/94665] missed minmax optimization opportunity for if/else structure. Date: Tue, 21 Apr 2020 10:51:38 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 10.0 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: z.zhanghaijian at huawei dot com X-Bugzilla-Status: REOPENED X-Bugzilla-Resolution: X-Bugzilla-Priority: P2 X-Bugzilla-Assigned-To: segher 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: Tue, 21 Apr 2020 10:51:38 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94665 --- Comment #13 from z.zhanghaijian at huawei dot com --- When change to flag_finite_math_only, this fmaxnm can also be generated with the patch above(swap the true_rtx/false_rtx).=