https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97680
--- Comment #10 from Qing Zhao <qing.zhao at oracle dot com> --- > but it will still fail on all targets but x86_64 (and now powerpc). Qinzhao, > what's the list of targets this is supported? I believe that the targets that currently support this feature are: x86-64 aarch64 sparc The original patch supported x86-64 and aarch64, later the following patch https://gcc.gnu.org/pipermail/gcc-cvs/2020-December/338342.html <https://gcc.gnu.org/pipermail/gcc-cvs/2020-December/338342.html> Support sparc