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Re: QFmode float support missing from optabs?
Alan Lehotsky writes:
> I think it's partly that c4x is using HFmode (two 32 bit
> bytes), and partly because they've got define_expands for most of
> the QF mode things. Including doing libcalls directly in the
> backend. Maybe Michael Hayes will chime in on this?
No, we use QFmode for floats/doubles and HFmode for long double.
Expanders are used for most patterns to ensure that the operand
combinations are valid.