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bh=XhsBSAalXhzycYFT4vqLGhpQUKD4MlWHmIKDc61daz4=; b=TUMUSMJaDL1dzcnxu+6dDDv+Ianj8A71BQsZUC9YRp3zLw9BReGnmTYImqvPVU8yQ31kHd bEv3+9YzohqyqudRDkTlwAB2FQ18fRQuYJQcZxqF0fhXiVJl18QoU7V45/j87wipDqIIvi J4Lip5H3nNyjRCaoTVoL/DhtRbnTskk= X-MC-Unique: bvZXYsiDPgm6_riKD3tAKQ-1 From: Thomas Huth To: qemu-devel@nongnu.org, Richard Henderson Cc: Ilya Leoshkevich , qemu-stable@nongnu.org, David Hildenbrand Subject: [PULL 01/18] target/s390x: Fix LCBB overwriting the top 32 bits Date: Tue, 6 Jun 2023 07:56:04 +0200 Message-Id: <20230606055621.523175-2-thuth@redhat.com> In-Reply-To: <20230606055621.523175-1-thuth@redhat.com> References: <20230606055621.523175-1-thuth@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.1 on 10.11.54.6 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=thuth@redhat.com; helo=us-smtp-delivery-124.mimecast.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, 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_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 1686031090018100001 Content-Type: text/plain; charset="utf-8" From: Ilya Leoshkevich LCBB is supposed to overwrite only the bottom 32 bits, but QEMU erroneously overwrites the entire register. Fixes: 6d9303322ed9 ("s390x/tcg: Implement LOAD COUNT TO BLOCK BOUNDARY") Cc: qemu-stable@nongnu.org Signed-off-by: Ilya Leoshkevich Message-Id: <20230526181240.1425579-2-iii@linux.ibm.com> Reviewed-by: Richard Henderson Reviewed-by: David Hildenbrand Signed-off-by: Thomas Huth --- target/s390x/tcg/insn-data.h.inc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/s390x/tcg/insn-data.h.inc b/target/s390x/tcg/insn-data.= h.inc index bcc70d99ba..e41672684a 100644 --- a/target/s390x/tcg/insn-data.h.inc +++ b/target/s390x/tcg/insn-data.h.inc @@ -486,7 +486,7 @@ F(0xb343, LCXBR, RRE, Z, x2h, x2l, new_P, x1_P, negf128, f128, I= F_BFP) F(0xb373, LCDFR, RRE, FPSSH, 0, f2, new, f1, negf64, 0, IF_AFP1 | = IF_AFP2) /* LOAD COUNT TO BLOCK BOUNDARY */ - C(0xe727, LCBB, RXE, V, la2, 0, r1, 0, lcbb, 0) + C(0xe727, LCBB, RXE, V, la2, 0, new, r1_32, lcbb, 0) /* LOAD HALFWORD */ C(0xb927, LHR, RRE, EI, 0, r2_16s, 0, r1_32, mov2, 0) C(0xb907, LGHR, RRE, EI, 0, r2_16s, 0, r1, mov2, 0) --=20 2.31.1