On Linux/x86_64, 65ff4a45b11b5ab13ef849bd5721ab28ff316202 is the first bad commit commit 65ff4a45b11b5ab13ef849bd5721ab28ff316202 Author: Jan Hubicka <j...@suse.cz> Date: Fri Jul 21 14:54:23 2023 +0200
loop-ch improvements, part 5 caused FAIL: gcc.target/i386/pr93089-2.c scan-assembler vmulps[^\n\r]*zmm FAIL: gcc.target/i386/pr93089-3.c scan-assembler vmulps[^\n\r]*zmm with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2709/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="i386.exp=gcc.target/i386/pr93089-2.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-2.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-2.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-2.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-3.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-3.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-3.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr93089-3.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.)