altivec fix for starting_frame_offset

[Richard Henderson]

On Sat, Mar 02, 2002 at 11:21:57AM +1100, Aldy Hernandez wrote:
> and the silent behavior of the hardware sure doesn't help.  motorola
> should have made chip issue a trap of some kind for misaligned accesses.
> this is way too tedious.

Indeed.  The one use of dropping bits (part of a misaligned load sequence)
should have been done with a special load instruction.  Alpha does exactly
this -- ldq for normal loads, ldq_u for a load that drops the low 3 bits.


r~