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[129.27.225.161]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-484492cdc37sm6504420f8f.34.2026.09.02.05.04.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Sep 2026 05:04:24 -0700 (PDT) From: Simon Scherer To: qemu-devel@nongnu.org Cc: pbonzini@redhat.com, richard.henderson@linaro.org, Simon Scherer Subject: [PATCH 0/2] target/i386: Fix FPU tag word for FSTP/FXCH Date: Wed, 2 Sep 2026 14:04:17 +0200 Message-ID: <20260902120419.212855-1-scherer.simon89@gmail.com> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::430; envelope-from=scherer.simon89@gmail.com; helo=mail-wr1-x430.google.com X-Spam_score_int: -7 X-Spam_score: -0.8 X-Spam_bar: / X-Spam_report: (-0.8 / 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, FORGED_GMAIL_RCVD=1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Following up on a similar tag word bug in FXTRACT (https://patchew.org/QEMU/20260901085839.138094-1-scherer.simon89@gmail.com/) two more instructions sharing the same bug of not updating the tag word turned up: Patch 1 fixes FSTP ST(i) Patch 2 fixes FXCH ST(i) Resolves: https://gitlab.com/qemu-project/qemu/-/work_items/4400 Simon Scherer (2): target/i386: Update FPU tag word for FSTP target/i386: Update FPU tag word for FXCH target/i386/tcg/fpu_helper.c | 3 +++ 1 file changed, 3 insertions(+) -- 2.53.0