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Mon, 12 Dec 2022 22:41:50 +0000 (GMT) Received: from smtpav03.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B3A7720040; Mon, 12 Dec 2022 22:41:50 +0000 (GMT) Received: from heavy (unknown [9.179.26.201]) by smtpav03.fra02v.mail.ibm.com (Postfix) with ESMTPS; Mon, 12 Dec 2022 22:41:50 +0000 (GMT) Date: Mon, 12 Dec 2022 23:41:49 +0100 From: Ilya Leoshkevich To: Richard Henderson , qemu-devel@nongnu.org Cc: thuth@redhat.com Subject: Re: [PATCH v4 17/27] tcg/s390x: Tighten constraints for or_i64 and xor_i64 Message-ID: <20221212224149.puwqhkq3zsbtrrhf@heavy> References: <20221209020530.396391-1-richard.henderson@linaro.org> <20221209020530.396391-18-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20221209020530.396391-18-richard.henderson@linaro.org> X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: eT73sF8kI53I5HnagyUXISODgyqTw5_p X-Proofpoint-GUID: aGjl7U47qgCisX4gyd3yaLuwUl5t8bnQ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.923,Hydra:6.0.545,FMLib:17.11.122.1 definitions=2022-12-12_02,2022-12-12_02,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 lowpriorityscore=0 suspectscore=0 phishscore=0 priorityscore=1501 impostorscore=0 mlxscore=0 spamscore=0 malwarescore=0 mlxlogscore=687 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2210170000 definitions=main-2212120194 Received-SPF: pass client-ip=148.163.156.1; envelope-from=iii@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H2=-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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org On Thu, Dec 08, 2022 at 08:05:20PM -0600, Richard Henderson wrote: > Drop support for sequential OR and XOR, as the serial dependency is > slower than loading the constant first. Let the register allocator > handle such immediates by matching only what one insn can achieve. > > Signed-off-by: Richard Henderson Reviewed-by: Ilya Leoshkevich