* MS Variadic extension support for arm64
@ 2018-09-14 18:16 Michael Cronenworth
2018-09-14 22:13 ` Martin Storsjö
0 siblings, 1 reply; 3+ messages in thread
From: Michael Cronenworth @ 2018-09-14 18:16 UTC (permalink / raw)
To: gcc-help; +Cc: martin
Hi,
Will gcc on arm64 support '__builtin_ms_va_list'? Should I file an RFE bug?
Wine 3.0.3 (and 3.8) introduced a change to require this extension and when it is
missing wine will compile with clang. Clang 5.0 or higher is required for this
extension and RHEL 7 ships Clang 3. Needless to say Wine no longer compiles on arm64
and RHEL 7.
Did Martin Storsjo[1] or the Wine team ask gcc to support this?
Thanks,
Michael
[1]
https://source.winehq.org/git/wine.git/commit/295359a17447d6ad487b6c652c3a98bbe17cee6e
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: MS Variadic extension support for arm64
2018-09-14 18:16 MS Variadic extension support for arm64 Michael Cronenworth
@ 2018-09-14 22:13 ` Martin Storsjö
2018-09-17 14:12 ` Michael Cronenworth
0 siblings, 1 reply; 3+ messages in thread
From: Martin Storsjö @ 2018-09-14 22:13 UTC (permalink / raw)
To: Michael Cronenworth; +Cc: gcc-help
Hi Michael,
On Fri, 14 Sep 2018, Michael Cronenworth wrote:
> Hi,
>
> Will gcc on arm64 support '__builtin_ms_va_list'? Should I file an RFE bug?
>
> Wine 3.0.3 (and 3.8) introduced a change to require this extension and when
> it is missing wine will compile with clang. Clang 5.0 or higher is required
> for this extension and RHEL 7 ships Clang 3. Needless to say Wine no longer
> compiles on arm64 and RHEL 7.
>
> Did Martin Storsjo[1] or the Wine team ask gcc to support this?
I didn't ask and haven't filed any request for it either, sorry. After
doing this feature for clang (which was much more about implementing the
variadic calling convention itself than just hooking up the attribute in
the compiler frontend), I very briefly looked at how hard it would be to
try to do the same for GCC, but decided I didn't have time myself to try
to do it.
// Martin
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: MS Variadic extension support for arm64
2018-09-14 22:13 ` Martin Storsjö
@ 2018-09-17 14:12 ` Michael Cronenworth
0 siblings, 0 replies; 3+ messages in thread
From: Michael Cronenworth @ 2018-09-17 14:12 UTC (permalink / raw)
To: Martin Storsjö, gcc-help
On 9/14/18 5:13 PM, Martin Storsjö wrote:
> I didn't ask and haven't filed any request for it either, sorry. After doing this
> feature for clang (which was much more about implementing the variadic calling
> convention itself than just hooking up the attribute in the compiler frontend), I
> very briefly looked at how hard it would be to try to do the same for GCC, but
> decided I didn't have time myself to try to do it.
>
That is unfortunate. Please consider filing a bug in the future.
Filed: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87334
Thanks,
Michael
^ permalink raw reply [flat|nested] 3+ messages in thread
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