Incomplete instatitiation of virtual registers

[Richard Henderson]

On Tue, May 03, 2005 at 05:44:47PM -0700, James E Wilson wrote:
> Recursively calling instantiate_virtual_regs_in_insn does not look 
> right.

Indeed it is not.

I'd like to see the define_insn for {addhi3}.  I'm a bit confused as
to how I could have missed iterating over what appears like it ought
to be match_operand 0.

> I know of one PR that has since been filed for a problem with the new 
> virtual register instantiation code.  That is PR 21328.

Actually, 21318, but yes this is unrelated.  The symptom in that case
is an ICE in simplify_subreg.



r~