add TODO comment about using insn_histogram.py

diff --git a/openpower/sv/comp16-v1-skel.py b/openpower/sv/comp16-v1-skel.py
index da7a066a4f252111baa78bdbc73be6ccea7883a7..e237a63d5e7d5eafcdb7c6fc0e2ab9e5f943c41b 100644 (file)
--- a/openpower/sv/comp16-v1-skel.py
+++ b/openpower/sv/comp16-v1-skel.py
@@ -95,6 +95,8 @@ def same01(opcode, ops):
         return 0
 
 # Registers representable in a made-up 3-bit mapping.
+# TODO: use insn_histogram.py to show the best targets
+# (remember to exclude nop - ori r0,r0,0 as this skews numbers)
 cregs2 = { 1, 2, 3, 4, 5, 6, 7, 31 }
 
 # Return true iff mop is a regular register present in cregs2