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Fri, 21 Jun 2024 23:16:27 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF6CNSDGL1xiQLRV3OZNnfNG1Laocq/PtTs6TJd4VMyG71n6LUmQDCTUzPFaFr7uymUUhKIDw== X-Received: by 2002:a2e:96cc:0:b0:2ec:557b:f895 with SMTP id 38308e7fff4ca-2ec557bfab4mr5532921fa.31.1719036987199; Fri, 21 Jun 2024 23:16:27 -0700 (PDT) From: Paolo Bonzini To: qemu-devel@nongnu.org Cc: Richard Henderson Subject: [PULL 11/23] target/i386: assert that cc_op* and pc_save are preserved Date: Sat, 22 Jun 2024 08:15:45 +0200 Message-ID: <20240622061558.530543-12-pbonzini@redhat.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240622061558.530543-1-pbonzini@redhat.com> References: <20240622061558.530543-1-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=170.10.129.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.145, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1719037055337100001 Content-Type: text/plain; charset="utf-8" Now all decoding has been done before any code generation. There is no need anymore to save and restore cc_op* and pc_save but, for the time being, assert that this is indeed the case. Reviewed-by: Richard Henderson Signed-off-by: Paolo Bonzini --- target/i386/tcg/translate.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/target/i386/tcg/translate.c b/target/i386/tcg/translate.c index 501a1ef9313..d11c5e1dc13 100644 --- a/target/i386/tcg/translate.c +++ b/target/i386/tcg/translate.c @@ -3709,15 +3709,9 @@ static void i386_tr_translate_insn(DisasContextBase = *dcbase, CPUState *cpu) case 2: /* Restore state that may affect the next instruction. */ dc->pc =3D dc->base.pc_next; - /* - * TODO: These save/restore can be removed after the table-based - * decoder is complete; we will be decoding the insn completely - * before any code generation that might affect these variables. - */ - dc->cc_op_dirty =3D orig_cc_op_dirty; - dc->cc_op =3D orig_cc_op; - dc->pc_save =3D orig_pc_save; - /* END TODO */ + assert(dc->cc_op_dirty =3D=3D orig_cc_op_dirty); + assert(dc->cc_op =3D=3D orig_cc_op); + assert(dc->pc_save =3D=3D orig_pc_save); dc->base.num_insns--; tcg_remove_ops_after(dc->prev_insn_end); dc->base.insn_start =3D dc->prev_insn_start; --=20 2.45.2