On Thu, 20 Jan 2022, Andrew Waterman wrote: > The old formulation of the instructions were never ratified as a > RISC-V standard. I don't think we need to hamstring ourselves here by > assuming the possibility of their implementation.
If you ignore the old version, then the instructions can unconditionally be used for the fminimum_num / fmaximum_num functions (which GCC doesn't support as built-in functions at present) - but can't be used for the fmin / fmax functions if flag_signaling_nans. -- Joseph S. Myers jos...@codesourcery.com
