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Lu" , Richard Biener , Bill Schmidt , Segher Boessenkool References: From: "Kewen.Lin" Date: Thu, 2 Apr 2020 18:43:09 +0800 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 MIME-Version: 1.0 In-Reply-To: Content-Type: multipart/mixed; boundary="------------FCA79C3BAFAF0F4CAF8DA061" Content-Language: en-US X-TM-AS-GCONF: 00 x-cbid: 20040210-0020-0000-0000-000003C02846 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 20040210-0021-0000-0000-00002218D2CD Message-Id: X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.138, 18.0.676 definitions=2020-04-02_01:2020-03-31, 2020-04-02 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 phishscore=0 malwarescore=0 spamscore=0 mlxlogscore=999 impostorscore=0 suspectscore=0 adultscore=0 clxscore=1015 bulkscore=0 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2003020000 definitions=main-2004020096 X-Spam-Status: No, score=-25.1 required=5.0 tests=BAYES_00, GIT_PATCH_0, GIT_PATCH_1, GIT_PATCH_2, GIT_PATCH_3, KAM_DMARC_STATUS, KAM_SHORT, RCVD_IN_DNSWL_LOW, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) 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-List-Received-Date: Thu, 02 Apr 2020 10:43:23 -0000 This is a multi-part message in MIME format. --------------FCA79C3BAFAF0F4CAF8DA061 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit on 2020/4/2 上午6:51, H.J. Lu wrote: > > This caused: > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94449 > Thanks for reporting this. The attached patch is to fix the stupid mistake by using gsi_insert_seq_before instead of gsi_insert_before. BTW, the regression testing on one x86_64 machine from CFarm is unable to reveal it (I guess due to native arch sandybridge?), so I specified additional option -march=znver2 and verified the coverage. Bootstrapped/regtested on powerpc64le-linux-gnu (P9) and x86_64-pc-linux-gnu, also verified the fail cases in related PRs. BR, Kewen ----------- gcc/ChangeLog 2020-04-02 Kewen Lin PR tree-optimization/94443 * tree-vect-loop.c (vectorizable_live_operation): Use gsi_insert_seq_before to replace gsi_insert_before. gcc/testsuite/ChangeLog 2020-04-02 Kewen Lin PR tree-optimization/94443 * gcc.dg/vect/pr94443.c: New test. --------------FCA79C3BAFAF0F4CAF8DA061 Content-Type: text/plain; charset=UTF-8; x-mac-type="0"; x-mac-creator="0"; name="PR94443.diff" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="PR94443.diff" ZGlmZiAtLWdpdCBhL2djYy90ZXN0c3VpdGUvZ2NjLmRnL3ZlY3QvcHI5NDQ0My5jIGIvZ2Nj L3Rlc3RzdWl0ZS9nY2MuZGcvdmVjdC9wcjk0NDQzLmMKbmV3IGZpbGUgbW9kZSAxMDA2NDQK aW5kZXggMDAwMDAwMC4uZjhjYmFmMQotLS0gL2Rldi9udWxsCisrKyBiL2djYy90ZXN0c3Vp dGUvZ2NjLmRnL3ZlY3QvcHI5NDQ0My5jCkBAIC0wLDAgKzEsMTMgQEAKKy8qIHsgZGctZG8g Y29tcGlsZSB9ICovCisvKiB7IGRnLWFkZGl0aW9uYWwtb3B0aW9ucyAiLW1hcmNoPXpudmVy MiIgeyB0YXJnZXQgeyB4ODZfNjQtKi0qIGk/ODYtKi0qIH0gfSB9ICovCisKKy8qIENoZWNr IGl0IHRvIGJlIGNvbXBpbGVkIHN1Y2Nlc3NmdWxseSB3aXRob3V0IGFueSBJQ0UuICAqLwor CitpbnQgYTsKK3Vuc2lnbmVkICpiOworCit2b2lkIGZvbygpCit7CisgIGZvciAodW5zaWdu ZWQgaTsgaSA8PSBhOyArK2ksICsrYikKKyAgICA7Cit9CmRpZmYgLS1naXQgYS9nY2MvdHJl ZS12ZWN0LWxvb3AuYyBiL2djYy90cmVlLXZlY3QtbG9vcC5jCmluZGV4IGM5YjY1MzQuLjM0 YWRmNzkgMTAwNjQ0Ci0tLSBhL2djYy90cmVlLXZlY3QtbG9vcC5jCisrKyBiL2djYy90cmVl LXZlY3QtbG9vcC5jCkBAIC04MDUwLDcgKzgwNTAsNyBAQCB2ZWN0b3JpemFibGVfbGl2ZV9v cGVyYXRpb24gKHN0bXRfdmVjX2luZm8gc3RtdF9pbmZvLAogICBpZiAoc3RtdHMpCiAgICAg ewogICAgICAgZ2ltcGxlX3N0bXRfaXRlcmF0b3IgZXhpdF9nc2kgPSBnc2lfYWZ0ZXJfbGFi ZWxzIChleGl0X2JiKTsKLSAgICAgIGdzaV9pbnNlcnRfYmVmb3JlICgmZXhpdF9nc2ksIHN0 bXRzLCBHU0lfQ09OVElOVUVfTElOS0lORyk7CisgICAgICBnc2lfaW5zZXJ0X3NlcV9iZWZv cmUgKCZleGl0X2dzaSwgc3RtdHMsIEdTSV9TQU1FX1NUTVQpOwogCiAgICAgICAvKiBSZW1v dmUgZXhpc3RpbmcgcGhpIGZyb20gbGhzIGFuZCBjcmVhdGUgb25lIGNvcHkgZnJvbSBuZXdf dHJlZS4gICovCiAgICAgICB0cmVlIGxoc19waGkgPSBOVUxMX1RSRUU7CkBAIC04MDYzLDcg KzgwNjMsNyBAQCB2ZWN0b3JpemFibGVfbGl2ZV9vcGVyYXRpb24gKHN0bXRfdmVjX2luZm8g c3RtdF9pbmZvLAogCSAgICAgIHJlbW92ZV9waGlfbm9kZSAoJmdzaSwgZmFsc2UpOwogCSAg ICAgIGxoc19waGkgPSBnaW1wbGVfcGhpX3Jlc3VsdCAocGhpKTsKIAkgICAgICBnaW1wbGUg KmNvcHkgPSBnaW1wbGVfYnVpbGRfYXNzaWduIChsaHNfcGhpLCBuZXdfdHJlZSk7Ci0JICAg ICAgZ3NpX2luc2VydF9hZnRlciAoJmV4aXRfZ3NpLCBjb3B5LCBHU0lfQ09OVElOVUVfTElO S0lORyk7CisJICAgICAgZ3NpX2luc2VydF9iZWZvcmUgKCZleGl0X2dzaSwgY29weSwgR1NJ X1NBTUVfU1RNVCk7IAogCSAgICAgIGJyZWFrOwogCSAgICB9CiAJfQo= --------------FCA79C3BAFAF0F4CAF8DA061--