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Mon, 8 Jun 2026 08:55:57 +0000 (GMT) Received: from osiris (unknown [9.111.82.157]) by smtpav05.fra02v.mail.ibm.com (Postfix) with ESMTPS; Mon, 8 Jun 2026 08:55:57 +0000 (GMT) Date: Mon, 8 Jun 2026 10:55:56 +0200 From: Heiko Carstens To: Juergen Christ Cc: Alexander Gordeev , Sven Schnelle , Vasily Gorbik , Christian Borntraeger , linux-s390@vger.kernel.org Subject: Re: [PATCH v2 8/8] s390/tishift: Convert __ashlti3(), __ashrti3(), __lshrti3() to C Message-ID: <20260608085556.34400Bae-hca@linux.ibm.com> References: <20260608053754.571282-1-hca@linux.ibm.com> <20260608053754.571282-9-hca@linux.ibm.com> <507926e4-d6a5-45f6-822c-1196e6d5d18a-jchrist@linux.ibm.com> Precedence: bulk X-Mailing-List: linux-s390@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <507926e4-d6a5-45f6-822c-1196e6d5d18a-jchrist@linux.ibm.com> X-TM-AS-GCONF: 00 X-Authority-Analysis: v=2.4 cv=N4UZ0W9B c=1 sm=1 tr=0 ts=6a2683a3 cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=kj9zAlcOel0A:10 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=U7nrCbtTmkRpXpFmAIza:22 a=oR9Di9A-d3wXaOBcEm4A:9 a=CjuIK1q_8ugA:10 X-Proofpoint-ORIG-GUID: DXtzdCBPJZ28dZudhAV0jAbmKNwUjApS X-Proofpoint-GUID: DXtzdCBPJZ28dZudhAV0jAbmKNwUjApS X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjA4MDA3OSBTYWx0ZWRfX2QYwMXAbc40T EJ7bO34IwfmSJn2Op0bqFBA389936zm7Is0QH6J0VJBmBMY7xQWzOdCbqz5hcO4cjMe8jNRCwVz Phiia7UBr3d3lNCqGd/ZHrabw6w1NCHuI4qYUh3u6AJlJxxYMNjAEQuaMQe7gw4yLW6Pc4imsjc bvhZXYuDlEiPWgx2cJJHP/7Ay9Li2LyozZIcmYVufsJys5mAwtKsEXmjHJffX8wO9wyw4SYZNaR w4KZDN5m1xbmTS74f+ml7ahDmaGwx6stIvj35UVoaDEfHx0vdUjHIeqfskc6Y3LsLqTVkbnZ/Yp YUQu097xTjVTqinuWk3QhrDjmWkiMfg9+f45YG1PuGN7IHRxiaoef8npuGWTjNJ2OJK9aGv7MIu OufySzt7uUHbSNTrWCm6rWC6T/oyE7QI0Jjxs6y+6NUyX2DydZYZ6VeLBWPldsWiKZ+ZcNpVTHm oW8ZgEjmcjlWsQv+rEg== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-08_02,2026-06-05_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 impostorscore=0 adultscore=0 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606080079 On Mon, Jun 08, 2026 at 10:19:39AM +0200, Juergen Christ wrote: > > There is no reason to have __ashlti3(), __ashrti3(), and __lshrti3() > > implemented in C. Convert them all to C, which allows the compiler to > > optimize the code if newer instructions allow that. > > I guess there is a typo and you meant to write "implemented in > Assembler"? Yes, of course.