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Wed, 19 Apr 2023 02:03:38 GMT Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id EF0392004B; Wed, 19 Apr 2023 02:03:37 +0000 (GMT) Received: from smtpav01.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id BAE1B20043; Wed, 19 Apr 2023 02:03:36 +0000 (GMT) Received: from ltcden2-lp1.aus.stglabs.ibm.com (unknown [9.3.90.43]) by smtpav01.fra02v.mail.ibm.com (Postfix) with ESMTP; Wed, 19 Apr 2023 02:03:36 +0000 (GMT) To: gcc-patches@gcc.gnu.org Cc: segher@kernel.crashing.org, dje.gcc@gmail.com, linkw@gcc.gnu.org, guojiufu@linux.ibm.com, rguenther@suse.de, jeffreyalaw@gmail.com Subject: [PATCH] PR testsuite/106879 FAIL: gcc.dg/vect/bb-slp-layout-19.c on powerpc64 Date: Wed, 19 Apr 2023 10:03:36 +0800 Message-Id: <20230419020336.722450-1-guojiufu@linux.ibm.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: 3WIy-fJMGEEmDTxlkrB2KSkSIdmfxTa4 X-Proofpoint-ORIG-GUID: 4i381MC9MnmBEIXhJkSG7gtoZQdT6cfn X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-18_17,2023-04-18_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 adultscore=0 malwarescore=0 spamscore=0 lowpriorityscore=0 mlxlogscore=999 bulkscore=0 phishscore=0 mlxscore=0 impostorscore=0 suspectscore=0 priorityscore=1501 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304190017 X-Spam-Status: No, score=-11.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_EF, GIT_PATCH_0, KAM_NUMSUBJECT, RCVD_IN_MSPIKE_H2, SPF_HELO_NONE, SPF_PASS, TXREP, T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Jiufu Guo via Gcc-patches From: Jiufu Guo Reply-To: Jiufu Guo Errors-To: gcc-patches-bounces+ouuuleilei=gmail.com@gcc.gnu.org Sender: "Gcc-patches" X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1763568389121703118?= X-GMAIL-MSGID: =?utf-8?q?1763568389121703118?= Hi, On P7, option -mno-allow-movmisalign is added during testing, which prevents slp happen on the case. Like Like PR65484 and PR87306, this patch use vect_hw_misalig to guard the case on powerpc targets. Tested on ppc64{le,} and x86_64. Is this ok for trunk? BR, Jeff (Jiufu) gcc/testsuite/ChangeLog: PR testsuite/106879 * gcc.dg/vect/bb-slp-layout-19.c: Modify to guard the check with vect_hw_misalig on POWERs. --- gcc/testsuite/gcc.dg/vect/bb-slp-layout-19.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/gcc/testsuite/gcc.dg/vect/bb-slp-layout-19.c b/gcc/testsuite/gcc.dg/vect/bb-slp-layout-19.c index f075a83a25b..faf98e8d3c0 100644 --- a/gcc/testsuite/gcc.dg/vect/bb-slp-layout-19.c +++ b/gcc/testsuite/gcc.dg/vect/bb-slp-layout-19.c @@ -31,4 +31,9 @@ void f() e[3] = b3; } -/* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 3 "slp1" { target { vect_int_mult && vect_perm } } } } */ +/* On older powerpc hardware (POWER7 and earlier), the default flag + -mno-allow-movmisalign prevents vectorization. On POWER8 and later, + when vect_hw_misalign is true, vectorization occurs. For other + targets, ! vect_no_align is a sufficient test. */ + +/* { dg-final { scan-tree-dump-times "add new stmt: \[^\\n\\r\]* = VEC_PERM_EXPR" 3 "slp1" { target { { vect_int_mult && vect_perm } && { { ! powerpc*-*-* } || { vect_hw_misalign } } } } } } */