This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: GCC and fast eveluaton of polynomials



> It is certainly familiar that Horner's rule is a bad idea on modern 
> processors with significant ILP. That's nothing new. 

But both of the example versions he shows are Horner's rule.  Why
should the compiler generate significantly slower code for one of
them?


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]