https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111411
--- Comment #5 from Sam James <sjames at gcc dot gnu.org> --- (In reply to Richard Sandiford from comment #4) > I'm struggling to reproduce this. Do you know what your -mcpu=native expands > to? # arch=native; for t in param target; do cmd="gcc -Q -O2 -mcpu=$arch --help=$t"; diff -U0 <(LANG=C $cmd -mcpu=generic) <(LANG=C $cmd -mcpu=native); done --- /dev/fd/63 2023-09-14 16:31:42.423739708 -0000 +++ /dev/fd/62 2023-09-14 16:31:42.423739708 -0000 @@ -8 +8 @@ - -mcpu= generic + -mcpu= ares+crc+crypto+ssbs Also needs -fstack-protector-strong. But you're also welcome to have access to the environment if needed. ``` $ gcc -v Using built-in specs. COLLECT_GCC=gcc COLLECT_LTO_WRAPPER=/usr/libexec/gcc/aarch64-unknown-linux-gnu/14/lto-wrapper Target: aarch64-unknown-linux-gnu Configured with: /var/tmp/portage/sys-devel/gcc-14.0.0.9999/work/gcc-14.0.0.9999/configure --host=aarch64-unknown-linux-gnu --build=aarch64-unknown-linux-gnu --prefix=/usr --bindir=/usr/aarch64-unknown-linux-gnu/gcc-bin/14 --includedir=/usr/lib/gcc/aarch64-unknown-linux-gnu/14/include --datadir=/usr/share/gcc-data/aarch64-unknown-linux-gnu/14 --mandir=/usr/share/gcc-data/aarch64-unknown-linux-gnu/14/man --infodir=/usr/share/gcc-data/aarch64-unknown-linux-gnu/14/info --with-gxx-include-dir=/usr/lib/gcc/aarch64-unknown-linux-gnu/14/include/g++-v14 --disable-silent-rules --disable-dependency-tracking --with-python-dir=/share/gcc-data/aarch64-unknown-linux-gnu/14/python --enable-languages=c,c++,fortran --enable-obsolete --enable-secureplt --disable-werror --with-system-zlib --enable-nls --without-included-gettext --disable-libunwind-exceptions --enable-checking=yes,extra,rtl --with-bugurl=https://bugs.gentoo.org/ --with-pkgversion='Gentoo 14.0.0 p, commit d0b55776a4e1d2f293db5ba0e4a04aefed055ec4' --with-gcc-major-version-only --enable-libstdcxx-time --enable-lto --disable-libstdcxx-pch --enable-shared --enable-threads=posix --enable-__cxa_atexit --enable-clocale=gnu --disable-multilib --disable-fixed-point --enable-libgomp --disable-libssp --disable-libada --disable-cet --disable-systemtap --disable-valgrind-annotations --disable-vtable-verify --disable-libvtv --with-zstd --without-isl --enable-default-pie --enable-host-pie --disable-host-bind-now --enable-default-ssp Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20230913 (experimental) 3af2af15798cb6243e2643f98f62c9270b1ca5d2 (Gentoo 14.0.0 p, commit d0b55776a4e1d2f293db5ba0e4a04aefed055ec4) ```
