From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 1FBBF3858D35; Sat, 26 Feb 2022 16:22:51 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 1FBBF3858D35 From: "munroesj at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/100085] Bad code for union transfer from __float128 to vector types Date: Sat, 26 Feb 2022 16:22:50 +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: 10.2.1 X-Bugzilla-Keywords: missed-optimization X-Bugzilla-Severity: normal X-Bugzilla-Who: munroesj at gcc dot gnu.org X-Bugzilla-Status: REOPENED 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: Sat, 26 Feb 2022 16:22:51 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D100085 --- Comment #23 from Steven Munroe --- Ok, but I strongly recommend a compiler test that verify that the compiler = is generating the expected code (for this and other cases). We have a history of common code changes (accidental or deliberate) causing regressions for POWER targets. Best to find these early, before they impact customer performance.=