FW: [r16-3364 Regression] FAIL: gcc.target/i386/shift-gf2p8affine-7.c scan-assembler-times vgf2p8affineqb 53 on Linux/x86_64
"Jiang, Haochen via Gcc-regression" <[email protected]>
| Newsgroups | gmane.comp.gcc.regression,gmane.comp.gcc.patches |
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On Linux/x86_64, 001cd39749f94ece8276b63f91eb864babb81a5d is the first bad commit commit 001cd39749f94ece8276b63f91eb864babb81a5d Author: Andi Kleen <[email protected]> Date: Sun Aug 3 17:35:39 2025 -0700 Use x86 GFNI for vectorized constant byte shifts/rotates caused FAIL: gcc.target/i386/shift-gf2p8affine-5.c scan-assembler-times vgf2p8affineqb 31 FAIL: gcc.target/i386/shift-gf2p8affine-6.c scan-assembler-times vgf2p8affineqb 0 FAIL: gcc.target/i386/shift-gf2p8affine-7.c scan-assembler-times vgf2p8affineqb 53 with GCC configured with ../../gcc/configure --prefix=/export/users3/haochenj/src/gcc-bisect/master/master/r16-3364/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/shift-gf2p8affine-5.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/shift-gf2p8affine-5.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/shift-gf2p8affine-6.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/shift-gf2p8affine-6.c --target_board='unix{-m64\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/shift-gf2p8affine-7.c --target_board='unix{-m32\ -march=cascadelake}'" $ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/shift-gf2p8affine-7.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.)