On 11/28/18 10:57 AM, Tamar Christina wrote:
> Hi Joseph,
>
> This is an updated version of my first patch which moves part of the type
> conversion code
> from convert.c to match.pd because match.pd is able to apply this
> transformation in the
> presence of intermediate temporary variables.
>
> I couldn't move the error parts as match.pd doesn't seem to have access to
> the diagnostics
> bits and also I feel like this may be a bit against the philosophy of
> match.pd.
>
> Regtested and bootstrapped on aarch64-none-linux-gnu and no issues.
>
> Ok for trunk?
>
> Thanks,
> Tamar
>
> Concretely it makes both these cases behave the same
>
> float e = (float)a * (float)b;
> *c = (_Float16)e;
>
> and
>
> *c = (_Float16)((float)a * (float)b);
>
> Thanks,
> Tamar
>
> gcc/ChangeLog:
>
> 2018-11-28 Tamar Christina <tamar.christ...@arm.com>
>
> * convert.c (convert_to_real_1): Move part of conversion code...
> * match.pd: ...To here.
>
> gcc/testsuite/ChangeLog:
>
> 2018-11-28 Tamar Christina <tamar.christ...@arm.com>
>
> * gcc.dg/type-convert-var.c: New test.
OK.