[Bug rtl-optimization/119002] [15 Regression] Comparison miscompilation on ppc64le and s390x since r15-6777

[jakub at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119002

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
During combine it just folds
(set (reg:SI 134)
    (ior:SI (ge:SI (reg:CCFP 128)
            (const_int 0 [0]))
        (lt:SI (reg:CCFP 128)
            (const_int 0 [0]))))
into
(set (reg:SI 134) (const_int 1 [0x1]))
which is wrong if NaNs may appear.