Unaligned block moves and MEM_ALIGN re-broken

David Edelsohn dje@watson.ibm.com
Fri Jan 25 08:35:00 GMT 2002


>>>>> Richard Kenner writes:

Richard> Right.  But it can only put it in registers if the alignment
permits it. 

Richard> No, it represents *both*.  It refers to a 64-bit object whose
Richard> alignment is MIN (64, BIGGEST_ALIGNMENT).

	The AIX ABI allows doubles to be word-aligned.  According to your
argument, DFmode values in structures on AIX never should be in FPRs.  You
are changing the semantics of MODE in GCC, which is unacceptable.

	I ask you again, fix this problem which you have introduced.

David



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