From: Michael Hope <michaelh@ju...> - 2001-11-14 16:01:47
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I'm trying to add IY packing to the z80 port. IY is a bit weird - only 16
bit operations on itself are efficient, and it's also used as the pointer
to things in direct space.
So while scanning using Sandeep's packregsfordptruse style, how can I:
1. Find out if this iCode uses the sym I'm trying to pack into IY.
2. Check if the left and result operands point to the same sym.
I've tried sym->uses and operandsAreEqual, but I don't know if those are
the right ones.
- -- Michael
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