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Mon, 19 Sep 2022 10:35:19 -0700 (PDT) X-Google-Smtp-Source: AA6agR4ly6GQjod3Et5wV9FV9doJ8dq695/vPMPV6mtvElAdRMaWsf3XPmvW4PnVNUTT9EJaRiIj+g== X-Received: by 2002:a05:600c:898:b0:3b4:8110:7fab with SMTP id l24-20020a05600c089800b003b481107fabmr19027343wmp.19.1663608918683; Mon, 19 Sep 2022 10:35:18 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PULL 18/21] target/i386: REPZ and REPNZ are mutually exclusive Date: Mon, 19 Sep 2022 19:34:46 +0200 Message-Id: <20220919173449.5864-19-pbonzini@redhat.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220919173449.5864-1-pbonzini@redhat.com> References: <20220919173449.5864-1-pbonzini@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=170.10.133.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1663610871482100001 Content-Type: text/plain; charset="utf-8" The later prefix wins if both are present, make it show in s->prefix too. Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- target/i386/tcg/translate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 5f31a59fb8..eaa56b0f48 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -4733,9 +4733,11 @@ static target_ulong disas_insn(DisasContext *s, CPUS= tate *cpu) switch (b) { case 0xf3: prefixes |=3D PREFIX_REPZ; + prefixes &=3D ~PREFIX_REPNZ; goto next_byte; case 0xf2: prefixes |=3D PREFIX_REPNZ; + prefixes &=3D ~PREFIX_REPZ; goto next_byte; case 0xf0: prefixes |=3D PREFIX_LOCK; --=20 2.37.2