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Fri, 15 Jul 2022 18:41:25 +0000 Received: from ascii.art.br (unknown [138.121.65.190]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: tuliom@ascii.art.br) by pdx1-sub0-mail-a246.dreamhost.com (Postfix) with ESMTPSA id 4Ll0Yv6Z5qz2w; Fri, 15 Jul 2022 11:41:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ascii.art.br; s=dreamhost; t=1657910484; bh=ED6obg12CY1oAkiO3/rLi2wslJKUgZ6ZQENmt6aZyvY=; h=From:To:Cc:Subject:Date:Content-Type; b=LEsc5vN3XDSEoaPvE4MDXvrwmSayFGdFAlclshgVk6FvF3scIBgu3xMpSaVGGmb9M eBCJdjuIzbPI8iHjFYAw+T9F63twowunE9qwbyg1Med+FI7Bp2DPMOYuxvfi5qLoE2 t4it0wGPCgF0k4Kr+FkkxTTSghvMCsyTmp4f0qnu6Wz0I2iO53wlmh6xeS0Hgswdnd ATihGByNNPdxUAoF38c1qNFKy90GMmDk/DTbxmJ8nCq0cGc3OZOHsw2msjtPN0DPgW owZkGuPQd7oLZV/bE8CpOgTrKDEZePUVFnLWiiw4MOmQkjfWx6usxJsUBorfAN+xju dRCglLCv9JNgA== From: Tulio Magno Quites Machado Filho To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v2] powerpc: add documentation for HWCAPs In-Reply-To: <20220715012636.165948-1-npiggin@gmail.com> References: <20220715012636.165948-1-npiggin@gmail.com> User-Agent: Notmuch/0.36 (http://notmuchmail.org) Emacs/27.2 (x86_64-redhat-linux-gnu) Date: Fri, 15 Jul 2022 15:41:20 -0300 Message-ID: <877d4euskv.fsf@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Florian Weimer , gcc@gcc.gnu.org, libc-alpha@sourceware.org, Nicholas Piggin , Paul E Murphy Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Nicholas Piggin writes: > +PPC_FEATURE_ARCH_2_05 > + The processor supports the v2.05 userlevel architecture. Processors > + supporting later architectures also set this feature. I don't think this bit is enabled when processors support later architectures. In my tests, this behavior started only with v2.06, i.e. processors that support v2.07 enable bit v2.06, but do not enable bit v2.05. Otherwise, looks good to me. -- Tulio Magno