On Linux/x86_64, 532e882f8872b1b4437e3a0fa8c61d2af2d999d4 is the first bad commit commit 532e882f8872b1b4437e3a0fa8c61d2af2d999d4 Author: Richard Biener <rguent...@suse.de> Date: Thu Oct 8 11:53:51 2020 +0200
adjust BB vectorization dump scanning caused FAIL: gcc.dg/vect/bb-slp-pr78205.c -flto -ffat-lto-objects scan-tree-dump-times slp2 "optimized: basic block" 3 FAIL: gcc.dg/vect/bb-slp-pr78205.c scan-tree-dump-times slp2 "optimized: basic block" 3 FAIL: gcc.dg/vect/bb-slp-subgroups-3.c -flto -ffat-lto-objects scan-tree-dump-times slp2 "optimized: basic block" 2 FAIL: gcc.dg/vect/bb-slp-subgroups-3.c scan-tree-dump-times slp2 "optimized: basic block" 2 with GCC configured with Configured with: ../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-3723/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=gcc.dg/vect/bb-slp-pr78205.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-pr78205.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-subgroups-3.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/bb-slp-subgroups-3.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)