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Re: PATCH: PR target/39678: complex type isn't passed correctly
On Thu, Apr 9, 2009 at 2:44 PM, H.J. Lu <hjl.tools@gmail.com> wrote:
> On Thu, Apr 9, 2009 at 2:19 PM, Richard Guenther
> <richard.guenther@gmail.com> wrote:
>> On Thu, Apr 9, 2009 at 11:17 PM, Paolo Bonzini <bonzini@gnu.org> wrote:
>>>
>>>> Not 4.4.0? ?I don't think we should change the ABI in minor versions. ?Note
>>>> that this is also a wrong-code bug as the caller ABI doesn't agree with
>>>> the callee ABI for GCC at the moment.
>>>
>>> If this is the case, we may even not warn about it.
>>
>> Yes. ?It may only concern interoperation with different compilers.
>> (I think the warning might be useful still, but note that it trigges with
>> libstdc++ headers)
>>
>
> Since gcc silently generates wrong code which never worked,
> what should we do with gcc 4.3? If we fix gcc 4.3, do we need
> the ABI warning?
>
I checked the fix into trunk and will backport to 4.4 branch in a day
or 2. I don't think we need to generate a warning. The fix
should be also backported to 4.3.
--
H.J.