On Linux/x86_64, d34cda720988674bcf8a24267c9e1ec61335d6de is the first bad commit commit d34cda720988674bcf8a24267c9e1ec61335d6de Author: Richard Biener <rguent...@suse.de> Date: Fri Sep 29 12:54:17 2023 +0200
Handle non-grouped stores as single-lane SLP caused FAIL: gcc.dg/vect/slp-19c.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorized 1 loops" 1 FAIL: gcc.dg/vect/slp-19c.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.dg/vect/slp-19c.c scan-tree-dump-times vect "vectorized 1 loops" 1 FAIL: gcc.dg/vect/slp-19c.c scan-tree-dump-times vect "vectorizing stmts using SLP" 1 FAIL: gcc.target/i386/cond_op_fma_double-1.c scan-assembler-times vfmadd132pd[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_double-1.c scan-assembler-times vfmsub132pd[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_double-1.c scan-assembler-times vfnmadd132pd[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_double-1.c scan-assembler-times vfnmsub132pd[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma__Float16-1.c scan-assembler-times vfmadd132ph[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma__Float16-1.c scan-assembler-times vfmsub132ph[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma__Float16-1.c scan-assembler-times vfnmadd132ph[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma__Float16-1.c scan-assembler-times vfnmsub132ph[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_float-1.c scan-assembler-times vfmadd132ps[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_float-1.c scan-assembler-times vfmsub132ps[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_float-1.c scan-assembler-times vfnmadd132ps[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/cond_op_fma_float-1.c scan-assembler-times vfnmsub132ps[ \\t]+[^{\n]*%ymm[0-9]+{%k[1-7]}(?:\n|[ \\t]+#) 1 FAIL: gcc.target/i386/pr88531-2b.c scan-assembler-times vmulps 1 FAIL: gcc.target/i386/pr88531-2c.c scan-assembler-times vmulps 1 with GCC configured with ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-3509/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-19c.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-19c.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-19c.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-19c.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_double-1.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_double-1.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_double-1.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_double-1.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma__Float16-1.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma__Float16-1.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma__Float16-1.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma__Float16-1.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_float-1.c --target_board='unix{-m32}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_float-1.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_float-1.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/cond_op_fma_float-1.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2b.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2b.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2c.c --target_board='unix{-m64}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2c.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.)