On Tue, Sep 11, 2018 at 10:20:26PM -0400, Julian Brown wrote:
> 2018-09-09 Cesar Philippidis
> Julian Brown
>
> PR middle-end/86336
>
> gcc/cp/
> * semantics.c (finish_omp_clauses): Treat C++ references the same in
> OpenACC as OpenMP.
>
>
On Mon, 10 Sep 2018 20:31:49 -0400
Julian Brown wrote:
> [...] I think the handling of references can and should match between
> the two APIs (though implementation details of the patch to make that
> so need a little work still).
Here's a new version of the patch, somewhat simplified and slight
On Mon, Sep 10, 2018 at 08:31:49PM -0400, Julian Brown wrote:
> #pragma omp target enter data map(to:arr[0:32])
>
> //#pragma omp target // works, mapped as zero-length array section (*)
> //#pragma omp target map(tofrom:myptr) // crashes (**)
In this case OpenMP doesn't allow the implementation
On Mon, 10 Sep 2018 22:22:15 +0100
Jason Merrill wrote:
> On Mon, Sep 10, 2018 at 7:07 PM, Julian Brown
> wrote:
> > I think it's more accurate to say that OpenACC says nothing about
> > C++ references at all, nor about how unadorned pointers are mapped
> > in copy/copyin/copyout clauses. So arg
On Mon, Sep 10, 2018 at 10:22:15PM +0100, Jason Merrill wrote:
> > As noted in a previous email, PGI seems to treat pointers to
> > aggregates specially, mapping them as ptr[0:1], but it's unclear if the
> > same is true for pointers to scalars with their compiler. Neither
> > behaviour seems to be
On Mon, Sep 10, 2018 at 7:07 PM, Julian Brown wrote:
> On Mon, 10 Sep 2018 10:52:47 -0700
> Cesar Philippidis wrote:
>
>> On 09/10/2018 10:37 AM, Jason Merrill wrote:
>> > On Mon, Sep 10, 2018 at 4:05 AM, Julian Brown
>> > wrote:
>> >> This patch (by Cesar) changes the way C++ references are map
On Mon, 10 Sep 2018 10:52:47 -0700
Cesar Philippidis wrote:
> On 09/10/2018 10:37 AM, Jason Merrill wrote:
> > On Mon, Sep 10, 2018 at 4:05 AM, Julian Brown
> > wrote:
> >> This patch (by Cesar) changes the way C++ references are mapped in
> >> OpenACC regions, fixing an ICE in the non-scalar-
On 09/10/2018 10:37 AM, Jason Merrill wrote:
> On Mon, Sep 10, 2018 at 4:05 AM, Julian Brown wrote:
>> This patch (by Cesar) changes the way C++ references are mapped in
>> OpenACC regions, fixing an ICE in the non-scalar-data.C testcase.
>>
>> Post-patch, references are mapped like this (from the
On Mon, Sep 10, 2018 at 4:05 AM, Julian Brown wrote:
> This patch (by Cesar) changes the way C++ references are mapped in
> OpenACC regions, fixing an ICE in the non-scalar-data.C testcase.
>
> Post-patch, references are mapped like this (from the omplower dump):
>
> map(force_present:*x [len: 4])
This patch (by Cesar) changes the way C++ references are mapped in
OpenACC regions, fixing an ICE in the non-scalar-data.C testcase.
Post-patch, references are mapped like this (from the omplower dump):
map(force_present:*x [len: 4]) map(firstprivate ref:x [pointer assign, bias: 0])
Tested with
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