On Thu, Oct 9, 2014 at 11:32 AM, Steve Ellcey <sell...@mips.com> wrote: > On Thu, 2014-10-09 at 11:27 -0700, Andrew Pinski wrote: > >> > Is there a reason why GCC couldn't (under -ffast-math) call the single >> > precision routines for the first case? >> >> There is no reason why it could not. The reason why it does not >> currently is because there is no pass which does the demotion and the >> only case of demotion that happens is with a simple >> (float)function((double)float_val); >> >> Thanks, >> Andrew > > Do you know which pass does the simple > '(float)function((double)float_val)' demotion? Maybe that would be a > good place to extend things.
Yes builtins.c. > > Steve Ellcey >
