[parisc-linux] Usage of __attribute__?

[Alan Modra]

On Sat, 27 Jan 2001, John Marvin wrote:

> If I directly declare the type as follows:
> 
>     typedef int _lt_spinlock_t __attribute__((aligned(16)));
> 
> then EVERY int that follows has the aligned 16 attribute, e.g. just
> declaring "int tmp;" gives tmp a 16 byte alignment. So, is that what
> you would expect from my above declaration?

Hi John,
  I don't see this behaviour.  I tried

typedef int _lt_spinlock_t __attribute__ ((aligned (16)));
int a;
int b;
_lt_spinlock_t c;
int d;

and got

	.comm	a,4,4
	.comm	b,4,4
	.comm	c,4,16
	.comm	d,4,4

ie. as expected.  Can you post a testcase and version of gcc you used?

Alan Modra
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