http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55016
--- Comment #3 from Marc Glisse 2012-10-23 06:12:30
UTC ---
(In reply to comment #2)
> For the application I have in mind a global flag will such as -ffaster-math
> will not be suitable
> as it would affect also places where full "single
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55016
--- Comment #2 from vincenzo Innocente
2012-10-23 05:19:37 UTC ---
For the application I have in mind a global flag will such as -ffaster-math
will not be suitable
as it would affect also places where full "single precision" is still requi
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55016
--- Comment #1 from Marc Glisse 2012-10-22 18:56:42
UTC ---
(In reply to comment #0)
> void v() {
> for(int i=0; i!=1024; ++i)
> v0[i] = rsqrtf(v1[i]);
> }
Doesn't writing
v0[i] = 1 / sqrtf(v1[i])
work with suitable fast-math