Adding Rounding Mode to Operations Opcodes in Gimple and RTL

[Joseph S. Myers]

I should add that the recent observation of bugs on some platforms with 
unordered comparisons being wrongly used instead of ordered ones 
illustrates my point about the value of having proper test coverage for 
each individual operation, even though some bugs will only show in more 
complicated code.

-- 
Joseph S. Myers
joseph@codesourcery.com