http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59961
--- Comment #4 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Olaf from comment #3) > Well... naive me found it quite surprising and unexpected that the following > two lines produce grossly different results: > > double result1 = -s1*d1 + s2*d2; > double result2 = s2*d2 - s1*d1; -s1*d1 + s2*d2; is the same as (-s1)*d1 + s2*d2 that is the unary minus binds to the left and has a higher precedence than the plus operator.
