[Bug target/101311] GCC refuses to use SSE registers to carry out an explicit XOR on a float.

[the4naves at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101311

--- Comment #1 from Josh Nave <the4naves at gmail dot com> ---
Additionally, other instructions could have been used (such as `pxor`) which
are less float-centric (and maybe faster?).