andykaylor wrote: > > > So, alternatively...we could just go with the simplest solution, and use > > > "ieee" as the default even under -ffast-math. > > +1. **There hasn't been a performance reason to use FTZ/DAZ since ~2011.** > Maybe there's still a power benefit? But in that case you could still > explicitly request the flush separate from -ffast-math
I don't think this is correct. I know there have been improvements, but there are still cases where setting ftz can have a significant performance impact. https://github.com/llvm/llvm-project/pull/80475 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
