[PATCH, OpenACC] Add support for gang local storage allocation in shared memory

[Bernhard Reutner-Fischer]

On 16 August 2018 17:46:43 CEST, Julian Brown <julian@codesourcery.com> wrote:
>On Wed, 15 Aug 2018 21:56:54 +0200
>Bernhard Reutner-Fischer <rep.dot.nop@gmail.com> wrote:
>
>> On 15 August 2018 18:46:37 CEST, Julian Brown
>> <julian@codesourcery.com> wrote:
>> >On Mon, 13 Aug 2018 12:06:21 -0700
>> >Cesar Philippidis <cesar@codesourcery.com> wrote:  
>> 
>> atttribute has more t than strictly necessary. 
>> Don't like signed integer levels where they should be some unsigned. 
>> Also don't like single switch cases instead of if.
>> And omitting function comments even if the hook way above is
>> documented may be ok ish but is a bit lazy ;)
>
>Here's a new version with those comments addressed. I also changed the
>logic around a little to avoid adding decls to the vec in omp_context
>which would never be given the gang-private attribute.
>
>Re-tested with offloading to NVPTX.
>
>OK?

(TREE_CODE (var) == VAR_DECL
Is nowadays known as VAR_P (decl), FWIW.

ISTM that global variables are not JIT-friendly.
No further comments from me.

Thanks,