Re: [Tinycc-devel] Generating better i386 code

[Daniel Glöckner]

On Fri, Sep 27, 2013 at 11:21:19AM +1000, Jason Hood wrote:
> On 26/09/2013 16:30, Daniel Glöckner wrote:
> > On Thu, Sep 26, 2013 at 03:39:45PM +1000, Jason Hood wrote:
> >> * 4- & 8-byte structs copy as int/long long (all targets);
> > 
> > did you check if the structure is aligned to a multiple of 4 bytes?
> > Otherwise it will crash on ARM.
> 
> No, as I thought structures of these sizes would already be
> aligned (as if they were int or long long).  Is that not
> necessarily the case?

No,
struct {
        char x[4];
}
has an alignment of 1 byte.

  Daniel