weird optimization in sin+cos, x86 backend

[Andrew Haley]

On 02/09/2012 04:53 PM, Joseph S. Myers wrote:
> My view is that we should have a "GNU libm" project whose purpose is not 
> to install a library directly but to provide functions for use in other 
> projects (much like gnulib, but the functions could presume that they were 
> being built with recent GCC).

But why, exactly?  Simply because we could never get an improved
libm into glibc with Ulrich Drepper and Richard Stallman as
gatekeepers?

Andrew.