Fix IEEE 754 unordered comparison detection in x87 floating-point operations#4811
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…rations Fix SoftFloat IsNan - custom detection matches IEEE754 semantics. Sets Invalid Operation flags properly for NaN comparisons. Fixes: GCC-C-execute-ieee-fp-cmp-8l test __builtin_isunordered() now returns correct values for both NaN and normal operands
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Fix SoftFloat IsNan - custom detection matches IEEE754 semantics.
Sets Invalid Operation flags properly for NaN comparisons.
Fixes: GCC-C-execute-ieee-fp-cmp-8l test
__builtin_isunordered() now returns correct values for both NaN and normal operands