On Linux/x86_64, 5af1e827bbb624eb28f80d2c5e0da46185af3708 is the first bad commit commit 5af1e827bbb624eb28f80d2c5e0da46185af3708 Author: Richard Biener <rguent...@suse.de> Date: Tue Oct 27 11:03:27 2020 +0100
Avoid uniform lane BB vectorization caused FAIL: gfortran.dg/vect/pr83232.f90 -O scan-tree-dump-times slp1 "vectorizing stmts using SLP" 3 with GCC configured with ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-4427/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="vect.exp=gfortran.dg/vect/pr83232.f90 --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gfortran.dg/vect/pr83232.f90 --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)