Alexey Neyman wrote:
> Andrew,
>
> On 15 July 2008 Andrew Haley wrote:
>>> I narrowed it down to the following example:
>>>
>>> <<<
>>> struct {
>>> int xxx[NINT];
>>> } aaa __attribute__((section(".foo")));
>>> <<<<
>> Please try making it a one-element array of that struct. Does that
>> fix your problem?
>
> No, it doesn't.
>
> struct {
> int xxx[NINT];
> } aaa[1] __attribute__((section(".foo")));
>
> $ gcc -o - -S gg.c -DNINT=9 | grep align
> .align 32
>
>>> The question is, why does GCC perform such 32-byte alignment and is
>>> it possible to turn off such behavior globally?
>> What target is this? It might be an ABI requirement, or just an
>> optimization. Strictly speaking, gcc is allowed to do this.
>
> $ gcc -dumpmachine
> i386-redhat-linux
I have no idea why this is happening; it may be a bug. I'd have to
debug gcc to find the place that's doing the 32-aligning. There may be
a simple answer, but I can't think of one.
Andrew.
