Appeal No. 2001,0712
Application 08/148,887
registers. Chi reference also meets limitations of the claims
in particular with respect to the execution costs."
In regard to Appellants' argument that hardware data
flow elements and software variables are not analogous,
especially in terms of computing cost, the Examiner asserts
that it is unclear whether Appellants consider data flow
elements a hardware item, and that Hitchcock shows allocating
variables to registers. The Examiner also notes that Chi is
all about allocation of variables of a program to registers.
In addressing Appellants' contention that Hitchcock
does not disclose allocating variables to registers in the
same fashion as the invention, the Examiner points to
Hitchcock's teaching of finding all possible bindings, and15
the cost calculations.
As regards Appellants' arguments directed to
considering only read/write costs versus instruction sequence
processing the Examiner asserts that the "reversal 16
phenomenon" does not exist and/or is not applicable here.
15Page 485.
16Answer, page 8.
16
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