Slava Zakharin 9e8f677299 [flang] Lower exponentiation without using pgmath. ...

Exponentiation is lowered to either math::FPowI or Fortran runtime
call (in case of --math-runtime=precise).

MathToFuncs convertor will convert math::FPowI operations with
exponent width >32 to calls of outlined implementations and otherwise
will leave the operation to MathToLLVM convertor.

Reviewed By: jeanPerier

Differential Revision: https://reviews.llvm.org/D139806

2022-12-14 15:32:51 -08:00

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