Dear GCC Experts,
I am trying to understand the subtleties of __attribute__((packed)). I
have some code that works on x86, where unaligned accesses work, but
fails on ARM where they do not.
As far as I can see, if I declare a struct with the packed attribute
applied to the whole struct, lik
Dear GCC experts,
I'm having trouble compiling code that uses the following macro from the
Apache Portable Runtime:
#define apr_atomic_cas(mem,with,cmp) \
({ apr_atomic_t prev; \
asm volatile ("lock; cmpxchgl %1, %2" \
: "=a" (prev) \
: "r" (wit
