Unaligned block moves and MEM_ALIGN re-broken

[law@redhat.com]

In message <10201251628.AA13105@vlsi1.ultra.nyu.edu>, Richard Kenner writes:
 >     Yes, exactly.  GCC cannot impose alignment rules on modes and types
 >     which do not exist in the target's ABI.  If the target does not
 >     require strict alignment, GCC cannot make any assumptions about the
 >     alignment of modes.
 > 
 > Right.  And algnment is pretty much a "don't care" on those targets.
 > So I don't understand the issue there either.
What I think David is telling you is that the RS6000 is not a 
strict alignment machine due to the way its doubles are handled.

jeff