Jeffrey A Law
Mon Aug 24 21:54:00 GMT 1998
In message < 9808250410.AA39962@marc.watson.ibm.com >you write:
> >>>>> Jeffrey A Law writes:
> Mike> Jeff, the patch came in just before I left for the weekend, and am I
> Mike> looking at it now. I believe the patch doesn't go far enough, since
> Mike> splitting code doesn't know about pre_dec addresses, and it leaves th
> Mike> register pointing to the wrong word. I'll fix it.
> Jeff> David took care of the problems today. I'll suck in his patches
> Jeff> shortly.
> I didn't quite follow Mike's comments about splitting and pre_dec
> addresses with respect to the patterns that changed. There are more than
> enough subtle points in the soft-float support that more changes are
> needed to make this addressing mode and constraint safe.
Looking more closely at the port, I don't see a problem with any
splits since it looks like the only time we split movdf/movdi insns
is when loading up a register with a constant which shouldn't trigger
the prolematical cases.
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