-mstructure-size-boundary problem

[Shaun Jackman <shaunj at gray-interfaces dot com>]

I compiled the following snippet with
-mstructure-size-boundary=8
Unfortunately, sizeof( s) and sizeof( s0) both report 16 (should be 14).
Through inspection with GCC, there's no padding between the members, so I
assume the padding is being added to the end.
I thought this is what -ms.s.b. was supposed to prevent.
Help?

typedef struct {
    int src;
    int dst;
    char mbz;
    char protocol;
    short length;
    short checksum;
} s;
 
int
main()
{
  s s0;
  int i;
  i = sizeof( s);
  i = sizeof( s0);
  return 0;
}

--
host=i686-pc-linux-gnu
target=arm-elf
--

Thanks,
Shaun



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