Hi, The IEEE_MODES_TYPE type and the two functions that get and set it were added in Fortran 2018. They can be implemented using the already existing target-specific functions. A future optimization could, on some targets, set/get all modes through one or two instructions only, but that would need a new set of functions in all config/fpu-* files.
This was regtested on aarch64-darwin, which does not support underflow modes, so I will further test on x86_64-linux when I finish travelling in a couple of days. OK to commit? FX
0001-Fortran-add-IEEE_MODES_TYPE-IEEE_GET_MODES-and-IEEE_.patch
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