[Bug libstdc++/17627] M68060 fails with libstdc++-v3/config/cpu/m68k/atomicity.h

[schwab at suse dot de]

------- Additional Comments From schwab at suse dot de  2004-11-03 23:44 -------
Even the 68020 should already show slight improvement when using 4 byte 
aligment due to the 32 bit data bus (the 68000/010 only have a 16 bit data 
bus). 
 
Adding an aligned attribute to the _Atomic_int type doesn't help for automatic 
variables as gcc limits the alignment to STACK_BOUNDARY.  But it will work for 
static variables. 
 
About the ABI change you are of course safe if everything is using the changed 
aligment (including the interface to the RTEMS kernel). 

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=17627