On Linux/x86_64, 464067a242150628ceb0d47daf2297f29a31743c is the first bad commit commit 464067a242150628ceb0d47daf2297f29a31743c Author: Richard Biener <rguent...@suse.de> Date: Mon May 13 14:57:01 2024 +0200
lower SLP load permutation to interleaving caused FAIL: gcc.dg/vect/slp-11a.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.dg/vect/slp-11a.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.dg/vect/slp-12a.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.dg/vect/slp-12a.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/r15-3362/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-11a.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-11a.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-12a.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-12a.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.) (If you met problems with cascadelake related, disabling AVX512F in command line might save that.) (However, please make sure that there is no potential problems with AVX512.)