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Commit 890821d3 authored by ram's avatar ram
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Rewrote LOAD-TN-CONFLICTS-IN-SB yet again. The dubious assumptions about

detecting argument/result references while scanning the NEXT-REF thread
had become untenable now that times can explicitly be specified for
operands.  Fortunately solving this problem simplified the code.
Also, changed TARGET-IF-DESIRABLE to always target so that load-TN targeting
will work better.
Changed COMPUTE-LIVE-TNS to kill any result TNs before returning.  Because
I stopped advancing to the previous VOP before packing arg load TNs, results
appeared to conflict with argument load TNs.  We don't need this, since all
conflicts for TNs used by the VOP are explicitly tested for in the other
code.
parent 88fb77b7
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