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[80.217.1.132]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-2e95bdd1517sm19495811fa.82.2024.05.27.07.37.56 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 May 2024 07:37:56 -0700 (PDT) In-Reply-To: <87zfsbl4s9.fsf@gmail.com> X-Mailer: Apple Mail (2.3654.120.0.1.15) Received-SPF: pass client-ip=2a00:1450:4864:20::234; envelope-from=mattias.engdegard@gmail.com; helo=mail-lj1-x234.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01, T_SPF_HELO_TEMPERROR=0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:319611 Archived-At: 27 maj 2024 kl. 16.15 skrev Helmut Eller : > prstack.stack[prstack.sp] = e; > __atomic_store_n (&prstack.sp, prstack.sp + 1, __ATOMIC_SEQ_CST); Surely that is a severe overkill when all we need is a compiler barrier? Or have I misunderstood the context the scanners are called in? Shouldn't they have the same view of memory as the mutator?