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56 Commits

Author SHA1 Message Date
steve c7193fa6fe Do not delete constants that input to exressions. 2000-01-02 17:56:42 +00:00
steve b6d1bb1fa7 Propogate constant 0 in low bits of adders. 1999-12-30 04:19:12 +00:00
steve 4de8ba489d Rewrite the cprop functor to use the functor_t interface. 1999-12-17 06:18:15 +00:00
steve 65ae92859c NetConst can now hold wide constants. 1999-12-17 03:38:46 +00:00
steve ada45acb0c Add the nobufz function to eliminate bufz objects, 
Object links are marked with direction,
 constant propagation is more careful will wide links,
 Signal folding is aware of attributes, and
 the XNF target can dump UDP objects based on LCA
 attributes.
 1998-12-02 04:37:13 +00:00
steve 3d6d334f80 Introduce netlist optimizations with the 
cprop function to do constant propogation.
 1998-11-13 06:23:17 +00:00