[r16-6766 Regression] FAIL: gcc.dg/vect/fast-math-slp-38.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1 on Linux/x86_64
Haochen Jiang via Gcc-regression <[email protected]>
| Newsgroups | gmane.comp.gcc.regression,gmane.comp.gcc.patches |
|---|---|
| Message-ID | <[email protected]> |
On Linux/x86_64, 96bc77e45c202303b87647a44206c6475f996c5c is the first bad commit commit 96bc77e45c202303b87647a44206c6475f996c5c Author: Richard Biener <[email protected]> Date: Wed Jan 14 10:53:05 2026 +0100 tree-optimization/123190 - allow VF == 1 epilog vectorization caused FAIL: gcc.dg/vect/fast-math-slp-38.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.dg/vect/fast-math-slp-38.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1 with GCC configured with ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-6766/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/fast-math-slp-38.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/fast-math-slp-38.c --target_board='unix{-m64\ -march=cascadelake}'" (Please directly reply to this email for question about this report.) (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.)