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From: "haochen.jiang" <haochenj@ecsmtp.sh.intel.com> To: haochen.jiang@intel.com, gcc-patches@gcc.gnu.org, gcc-regression@gcc.gnu.org, hongyu.wang@intel.com Subject: [r13-4272 Regression] FAIL: gcc.dg/guality/loop-1.c -O3 -g -DPREVENT_OPTIMIZATION line 20 i == 1 on Linux/x86_64 Date: Thu, 24 Nov 2022 17:09:06 +0800 [thread overview] Message-ID: <202211240909.2AO996fr1418848@shliclel314.sh.intel.com> (raw) On Linux/x86_64, 8caf155a3d6e23e47bf55068ad23c23d4655a054 is the first bad commit commit 8caf155a3d6e23e47bf55068ad23c23d4655a054 Author: Hongyu Wang <hongyu.wang@intel.com> Date: Sat Nov 19 09:38:00 2022 +0800 i386: Only enable small loop unrolling in backend [PR 107692] caused FAIL: gcc.dg/guality/loop-1.c -O2 -DPREVENT_OPTIMIZATION line 20 i == 1 FAIL: gcc.dg/guality/loop-1.c -O2 -flto -fno-use-linker-plugin -flto-partition=none -DPREVENT_OPTIMIZATION line 20 i == 1 FAIL: gcc.dg/guality/loop-1.c -O2 -flto -fuse-linker-plugin -fno-fat-lto-objects -DPREVENT_OPTIMIZATION line 20 i == 1 FAIL: gcc.dg/guality/loop-1.c -O3 -g -DPREVENT_OPTIMIZATION line 20 i == 1 with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r13-4272/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/loop-1.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="guality.exp=gcc.dg/guality/loop-1.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)
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