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Re: GCC 8.0.0 Status Report (2018-01-15), Trunk in Regression and Documentation fixes only mode
On 2018-02-06 17:32:30 +0000, Joseph Myers wrote:
> GCC doesn't use mpfr_div at all; it uses MPFR to fold calls to a range of
> libm functions with constant arguments (input and output precisions should
> always be the same, since GCC doesn't yet support built-in functions for
> the TS 18661-1 narrowing functions such as fsqrtl), and for correctly
> rounding conversions of decimal strings to binary floating point. The + -
> * / operations are handled directly in real.c without use of MPFR. Of
> course MPFR functions called might use mpfr_div indirectly.
Yes, it might be possible to get an error via a call to mpfr_div
inside MPFR. And perhaps mpfr_div_ui too (with any MPFR version).
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