[Openmp-dev] The z specifier in %zu is silently accepted (although unsupported) in the device code and does not work

[Itaru Kitayama via Openmp-dev]

Alexey
CUDA dorms implement that, and on POWER8
it just doesn’t work (prints out plain “%zu” literally).

On Fri, Mar 6, 2020 at 0:45 Alexey.Bataev <a.bataev at outlook.com> wrote:

> What's wrong with the z specifier? It works as it should. Why is it
> unsupported?
>
> -------------
> Best regards,
> Alexey Bataev
>
> 05.03.2020 5:44 AM, Itaru Kitayama via Openmp-dev пишет:
>
> Can Clang warn on the wrong use at build time?
>
> When a developer writes code like below and build?
>
> #include <iostream>
> int main()
> {
>         size_t my_sz = 123;
> #pragma omp target parallel for map(to: my_sz)
>     for (int i=0;i<1;i++) {
>         printf("%zu, %d\n", my_sz, my_sz);
>     }
> }
>
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>
>
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