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[2001:8b0:bf73:93f7::51bb:e332]) by smtp.gmail.com with ESMTPSA id co20-20020a0560000a1400b00341d4722a9asm5531105wrb.21.2024.03.27.10.14.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Mar 2024 10:14:34 -0700 (PDT) Received: from jsm28 (helo=localhost) by digraph.polyomino.org.uk with local-esmtp (Exim 4.95) (envelope-from ) id 1rpWrB-0010Ny-Gl; Wed, 27 Mar 2024 17:14:33 +0000 Date: Wed, 27 Mar 2024 17:14:33 +0000 (UTC) From: Joseph Myers To: Adhemerval Zanella cc: libc-alpha@sourceware.org, Florian Weimer , "H . J . Lu" Subject: Re: [PATCH 11/15] math: Fix acos template for arguments greater than 1 In-Reply-To: <20240327164527.3717523-12-adhemerval.zanella@linaro.org> Message-ID: References: <20240327164527.3717523-1-adhemerval.zanella@linaro.org> <20240327164527.3717523-12-adhemerval.zanella@linaro.org> MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=US-ASCII X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces+e=80x24.org@sourceware.org On Wed, 27 Mar 2024, Adhemerval Zanella wrote: > The template is used by some ABsI for static build, and it fails set > the expected floating exceptions if the argument is outside of the > range (on x86_64 this triggers an overflow calculation in > __ieee754_acos). Patches 11 through 15 all seem incorrect; it's the responsibility of the __ieee754_* functions to raise the correct exceptions, not of the wrappers. Please make sure you don't have a compiler with a bug like https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95115 miscompiling those __ieee754_* functions. -- Joseph S. Myers josmyers@redhat.com