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Fri, 27 Jun 2025 06:11:41 -0400 (EDT) From: Thomas Monjalon <thomas@monjalon.net> To: Bruce Richardson <bruce.richardson@intel.com> Cc: "dev@dpdk.org" <dev@dpdk.org>, "Varghese, Vipin" <Vipin.Varghese@amd.com> Subject: Re: [PATCH v5] build: reduce use of AVX compiler flags Date: Fri, 27 Jun 2025 12:11:40 +0200 Message-ID: <4628127.sP1CNn8AQk@thomas> In-Reply-To: <PH7PR12MB85960653AC67A63162DC75468274A@PH7PR12MB8596.namprd12.prod.outlook.com> References: <20250325172215.3360590-1-bruce.richardson@intel.com> <20250611105310.472523-1-bruce.richardson@intel.com> <PH7PR12MB85960653AC67A63162DC75468274A@PH7PR12MB8596.namprd12.prod.outlook.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions <dev.dpdk.org> List-Unsubscribe: <https://mails.dpdk.org/options/dev>, <mailto:dev-request@dpdk.org?subject=unsubscribe> List-Archive: <http://mails.dpdk.org/archives/dev/> List-Post: <mailto:dev@dpdk.org> List-Help: <mailto:dev-request@dpdk.org?subject=help> List-Subscribe: <https://mails.dpdk.org/listinfo/dev>, <mailto:dev-request@dpdk.org?subject=subscribe> Errors-To: dev-bounces@dpdk.org > > When doing a build for a target that already has the instruction sets for > > AVX2/AVX512 enabled, skip emitting the AVX compiler flags, or the > > x86-64-v4 '-march' flags, as they are unnecessary. Instead, when the default flags > > produce the desired output, just use them unmodified, and don't bother adding in > > extra enabling flags for AVX2 or AVX-512. > > > > Depends-on: series-35421 ("doc/linux_gsg: update recommended compiler > > versions") > > > > Signed-off-by: Bruce Richardson <bruce.richardson@intel.com> > > Acked-by: Vipin Varghese <vipin.varghese@amd.com> Applied, thanks.