[Bug rtl-optimization/97387] we are near 2021, add carry intrinsic still does the wrong thing and generates silly code.

[euloanty at live dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97387

--- Comment #1 from fdlbxtqi <euloanty at live dot com> ---
All these instructions generated by GCC are very very wrong.

https://gcc.godbolt.org/z/asMrKv