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Re: [Patch, fortran] PR37577 - [meta-bug] change internal array descriptor format for better syntax, C interop TR, rank 15
On 01/22/2018 12:24 PM, Thomas Koenig wrote:
> Am 22.01.2018 um 20:59 schrieb Janne Blomqvist:
>> On Mon, Jan 22, 2018 at 9:12 PM, Paul Richard Thomas
>> <paul.richard.thomas@gmail.com> wrote:
>>> This patch has been triggered by Thomas's recent message to the list.
>>> Not only did I start work late relative to stage 3 but debugging took
>>> somewhat longer than anticipated. Therefore, to get this committed
>>> asap, we will have to beg the indulgence of the release managers and
>>> prompt review and/or testing by fortran maintainers. (Dominique has
>>> already undertaken to test -m32.)
>>
>> I think that if we can "guarantee" that we're happy with the current
>> ABI for GCC 9 (and hopefully 10, 11, ...?) we have a quite strong case
>> for committing it now. But if anybody if planning on doing some
>> ABI-breaking work in the foreseeable future then maybe we should wait
>> until GCC 9 stage1 opens. Anybody with such plans?
>
> For asynchronous I/O, we could add a pointer to void (unused at
> present) for later use. That's all from my side.
>
Do you mean adding something like this:
diff --git a/libgfortran/libgfortran.h b/libgfortran/libgfortran.h
index 4c643b7e17b..c86e0b45e1d 100644
--- a/libgfortran/libgfortran.h
+++ b/libgfortran/libgfortran.h
@@ -600,6 +600,7 @@ typedef struct st_parameter_common
GFC_INTEGER_4 line;
CHARACTER2 (iomsg);
GFC_INTEGER_4 *iostat;
+ void *reserved;
}
st_parameter_common;
and the corresponding front end side.
> ---- snip --
Regarding Paul's patch, assuming the -m32 tests can be confirmed I think the
patch should go in now.
Jerry