[Bug target/52451] gcc w/i387 float generates fucom rather than fcom for floating point comparsons

[bugdal at aerifal dot cx]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52451

--- Comment #3 from Rich Felker <bugdal at aerifal dot cx> 2012-04-23 09:37:45 UTC ---
Compiling with the -mno-ieee-fp option fixes this bug. It seems like the
behavior of this option is reversed from the documentation; -mno-ieee-fp gives
IEEE conformant comparisons (raising exception on unordered) and -mieee-fp
gives non-conformant comparisons (silent on unordered)...