[Bug target/91323] LTGT rtx produces UCOMISS instead of COMISS

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91323

--- Comment #4 from Richard Biener <rguenth at gcc dot gnu.org> ---
quoting rtl.def:

/* This is an ordered NE, ie !UNEQ, ie false for NaN.  */
DEF_RTL_EXPR(LTGT, "ltgt", "ee", RTX_COMM_COMPARE)