On Wed, 21 Aug 2019 at 17:50, Paul Koning wrote:
>
>
>
> > On Aug 21, 2019, at 10:57 AM, Alexander Monakov wrote:
> >
> > On Wed, 21 Aug 2019, Paul Koning wrote:
> >
> >> I agree, but if the new approach generates a warning for code that was
> >> written
> >> to the old rules, that would be
> On Aug 21, 2019, at 10:57 AM, Alexander Monakov wrote:
>
> On Wed, 21 Aug 2019, Paul Koning wrote:
>
>> I agree, but if the new approach generates a warning for code that was
>> written
>> to the old rules, that would be unfortunate.
>
> FWIW I don't know which GCC versions accepted
On Wed, 21 Aug 2019, Paul Koning wrote:
> I agree, but if the new approach generates a warning for code that was written
> to the old rules, that would be unfortunate.
FWIW I don't know which GCC versions accepted 'packed' on a scalar type.
Already in 2006 GCC 3.4 would issue a warning:
$ echo
> On Aug 21, 2019, at 10:28 AM, Alexander Monakov wrote:
>
> On Tue, 20 Aug 2019, "Markus Fröschle" wrote:
>
>> Thank you (and others) for your answers. Now I'm just as smart as before,
>> however.
>>
>> Is it a supported, documented, 'long term' feature we can rely on or not?
>>
>> If
On Tue, 20 Aug 2019, "Markus Fröschle" wrote:
> Thank you (and others) for your answers. Now I'm just as smart as before,
> however.
>
> Is it a supported, documented, 'long term' feature we can rely on or not?
>
> If yes, I would expect it to be properly documented. If not, never mind.
I
t; Von: "Alexander Monakov"
> An: "Richard Earnshaw (lists)"
> Cc: "Paul Koning" , "Markus Fröschle"
> , gcc@gcc.gnu.org
> Betreff: Re: asking for __attribute__((aligned()) clarification
>
> On Mon, 19 Aug 2019, Richard Earnshaw (lists) wrote:
&g
> On Aug 19, 2019, at 10:08 AM, Alexander Monakov wrote:
>
> On Mon, 19 Aug 2019, Richard Earnshaw (lists) wrote:
>
>> Correct, but note that you can only pack structs and unions, not basic types.
>> there is no way of under-aligning a basic type except by wrapping it in a
>> struct.
>
> I
On Mon, 19 Aug 2019, Richard Earnshaw (lists) wrote:
> Correct, but note that you can only pack structs and unions, not basic types.
> there is no way of under-aligning a basic type except by wrapping it in a
> struct.
I don't think that's true. In GCC-9 the doc for 'aligned' attribute has been
On 19/08/2019 14:57, Paul Koning wrote:
On Aug 19, 2019, at 8:46 AM, Markus Fröschle wrote:
All,
this is my first post on these lists, so please bear with me.
My question is about gcc's __attribute__((aligned()). Please consider the
following code:
#include
typedef uint32_t uuint32_t
> On Aug 19, 2019, at 8:46 AM, Markus Fröschle wrote:
>
> All,
>
> this is my first post on these lists, so please bear with me.
>
> My question is about gcc's __attribute__((aligned()). Please consider the
> following code:
>
> #include
>
> typedef uint32_t uuint32_t
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