On Tue, Mar 21, 2023 at 05:28:52PM -0600, Jeff Law via Gcc-patches wrote: > On 3/21/23 13:12, Jakub Jelinek wrote: > > On Tue, Mar 21, 2023 at 07:01:36PM +0000, Qing Zhao via Gcc-patches wrote: > > > In addition to this, Standards have been changed from time to time. > > > > So, the user needs to know the standard they are compiling for. > > > > Anyway, talking again about contractions, it isn't anything new in the > > standard, C99 had those too. > And I think Qing is asking if adding a warning in the manual about how fp > contractions can cause unpredictability in FP results is appropriate in the > fp-contract section. > > I think that would be a fine addition to the manual.
Depending on how it is worded, probably yes. Jakub