On Linux/x86_64, 6669dc51515313dd1e60c493596dbc90429fc362 is the first bad commit commit 6669dc51515313dd1e60c493596dbc90429fc362 Author: Richard Biener <rguent...@suse.de> Date: Fri Jun 7 14:47:12 2024 +0200
tree-optimization/115385 - handle more gaps with peeling of a single iteration caused FAIL: gcc.dg/vect/pr115385.c execution test FAIL: gcc.dg/vect/pr115385.c -flto -ffat-lto-objects execution test with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-1239/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/pr115385.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/pr115385.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.)