[Bug target/103193] gcc for x86_64: wrong code generation: ucomiss instead of comiss

[joseph at codesourcery dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103193

--- Comment #1 from joseph at codesourcery dot com <joseph at codesourcery dot com> ---
See bug 52451 and bug 91323 for previous cases of unordered comparisons 
being wrongly used on x86.