On Wed, Mar 22, 2023 at 1:26 PM Alexander Monakov <amona...@ispras.ru> wrote: > > > On Wed, 22 Mar 2023, Richard Biener wrote: > > > I think it's even less realistic to expect users to know the details of > > floating-point math. So I doubt any such sentence will be helpful > > besides spreading some FUD? > > I think it's closer to "fundamental notions" rather than "details". For > users who bother to read the GCC manual there's a decent chance it wouldn't > be for naught. > > For documentation, I was thinking > > Together with -fexcess-precision=standard, -ffp-contract=off > is necessary to ensure that rounding of intermediate results to precision > implied by the source code and the FLT_EVAL_METHOD macro is not > omitted by the compiler.
that sounds good to me > Alexander
