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Wed, 24 Jan 2024 05:47:12 +0800 Received: (from haochenj@localhost) by shliclel4214.sh.intel.com (8.16.1/8.16.1/Submit) id 40NLlB2g814122; Wed, 24 Jan 2024 05:47:11 +0800 From: "haochen.jiang" Message-Id: <202401232147.40NLlB2g814122@shliclel4214.sh.intel.com> Date: Wed, 24 Jan 2024 05:47:11 +0800 To: rguenther@suse.de, gcc-regression@gcc.gnu.org, gcc-patches@gcc.gnu.org, haochen.jiang@intel.com Subject: [r14-8346 Regression] FAIL: gcc.dg/guality/pr54796.c -Os -DPREVENT_OPTIMIZATION line 17 c == 5 on Linux/x86_64 User-Agent: s-nail v14.9.22 X-Spam-Status: No, score=-0.5 required=5.0 tests=BAYES_00,KAM_DMARC_STATUS,KAM_LAZY_DOMAIN_SECURITY,KAM_NUMSUBJECT,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL,SPF_HELO_NONE,SPF_NONE,TXREP,T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: On Linux/x86_64, a98d5130a6dcff2ed4db371e500550134777b8cf is the first bad commit commit a98d5130a6dcff2ed4db371e500550134777b8cf Author: Richard Biener Date: Mon Jan 15 12:55:20 2024 +0100 rtl-optimization/113255 - base_alias_check vs. pointer difference caused FAIL: gcc.dg/guality/pr54796.c -O1 -DPREVENT_OPTIMIZATION line 17 a == 5 FAIL: gcc.dg/guality/pr54796.c -O1 -DPREVENT_OPTIMIZATION line 17 b == 6 FAIL: gcc.dg/guality/pr54796.c -O1 -DPREVENT_OPTIMIZATION line 17 c == 5 FAIL: gcc.dg/guality/pr54796.c -O2 -DPREVENT_OPTIMIZATION line 17 a == 5 FAIL: gcc.dg/guality/pr54796.c -O2 -DPREVENT_OPTIMIZATION line 17 b == 6 FAIL: gcc.dg/guality/pr54796.c -O2 -DPREVENT_OPTIMIZATION line 17 c == 5 FAIL: gcc.dg/guality/pr54796.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -DPREVENT_OPTIMIZATION line 17 a == 5 FAIL: gcc.dg/guality/pr54796.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -DPREVENT_OPTIMIZATION line 17 b == 6 FAIL: gcc.dg/guality/pr54796.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -DPREVENT_OPTIMIZATION line 17 c == 5 FAIL: gcc.dg/guality/pr54796.c -O3 -g -DPREVENT_OPTIMIZATION line 17 a == 5 FAIL: gcc.dg/guality/pr54796.c -O3 -g -DPREVENT_OPTIMIZATION line 17 b == 6 FAIL: gcc.dg/guality/pr54796.c -O3 -g -DPREVENT_OPTIMIZATION line 17 c == 5 FAIL: gcc.dg/guality/pr54796.c -Og -DPREVENT_OPTIMIZATION line 17 a == 5 FAIL: gcc.dg/guality/pr54796.c -Og -DPREVENT_OPTIMIZATION line 17 b == 6 FAIL: gcc.dg/guality/pr54796.c -Og -DPREVENT_OPTIMIZATION line 17 c == 5 FAIL: gcc.dg/guality/pr54796.c -Os -DPREVENT_OPTIMIZATION line 17 a == 5 FAIL: gcc.dg/guality/pr54796.c -Os -DPREVENT_OPTIMIZATION line 17 b == 6 FAIL: gcc.dg/guality/pr54796.c -Os -DPREVENT_OPTIMIZATION line 17 c == 5 with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-8346/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap To reproduce: $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54796.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/pr54796.c --target_board='unix{-m32\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com.) (If you met problems with cascadelake related, disabling AVX512F in command line might save that.) (However, please make sure that there is no potential problems with AVX512.)