Hello, We will start analyzing x86_64 regressions reported at
https://gcc.gnu.org/pipermail/gcc-regression/ to identify commits which caused each regression. For each regression, We will send an email to the committer, gcc-regression and gcc-patches mailing lists in following format. From: sunil.k.pandey <skpan...@sc.intel.com> Date: Tue, Aug 25, 2020 at 9:06 AMSubject: [r10-8599 Regression] FAIL: gcc.target/i386/vectorize8.c (internal compiler error) on Linux/x86_64To: author, gcc-regress...@gcc.gnu.org, gcc-patc...@gcc.gnu.org On Linux/x86_64,f098bc87dcae5646d11a351cfb55d0e1124c7f60 is the first bad commitcommit f098bc87dcae5646d11a351cfb55d0e1124c7f60Author: authorDate: Mon Jul 20 10:13:58 2020 +0800 Using UNSPEC for vector compare to mask register.causedFAIL: gcc.target/i386/vectorize8.c (internal compiler error)with GCC configured with../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-10/releases/gcc-10/r10-8599/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-bootstrapTo reproduce:$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/vectorize8.c --target_board='unix{-m64\ -march=cascadelake}'"(Please do not reply to this email, for question about this report, contact me at skpgkp2 at gmail dot com)