On Linux/x86_64, 0682a32c026f1e246eb07bb8066abca4636f01d8 is the first bad commit commit 0682a32c026f1e246eb07bb8066abca4636f01d8 Author: Richard Biener <rguent...@suse.de> Date: Mon Jul 3 13:59:33 2023 +0200
tree-optimization/110310 - move vector epilogue disabling to analysis phase caused FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects scan-tree-dump-not vect "permutation requires at least three vectors" FAIL: gcc.dg/vect/slp-perm-9.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-not vect "permutation requires at least three vectors" FAIL: gcc.dg/vect/slp-perm-9.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1 with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2281/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/slp-perm-9.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-perm-9.c --target_board='unix{-m64\ -march=cascadelake}'" (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)