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Re: question regarding regrename and failure of 950704-1.c on main branch


In message <20020509150853.C15749@redhat.com>, Richard Henderson writes:
 > On Thu, May 09, 2002 at 05:11:17PM -0400, John David Anglin wrote:
 > > Presumably, DI mode registers were allocated in a manner that didn't
 > > cause partial overlaps.  I think the pattern will work if the destination
 > > register is the same as one of the input registers.
 > 
 > Then you're probably better off splitting the pattern at sched1
 > so that you don't have to worry about the early clobber or partial
 > overlap.
Let's hold on here.  Clearly something is wrong as HARD_REGNO_MODE_OK
is supposed to reject one of those two register pairs.  I think we need
to figure that out before we go mucking up the DImode patterns.

jeff


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