--- gforth/prim 2001/02/04 22:37:12 1.72 +++ gforth/prim 2001/02/24 13:44:39 1.74 @@ -72,7 +72,6 @@ \ df_.* DFloat * \ sf_.* SFloat * \ xt.* XT -\ wid.* WID \ f83name.* F83Name * \E get-current prefixes set-current @@ -91,7 +90,6 @@ \E s" DFloat *" single data-stack type-prefix df_ \E s" SFloat *" single data-stack type-prefix sf_ \E s" Xt" single data-stack type-prefix xt -\E s" WID" single data-stack type-prefix wid \E s" struct F83Name *" single data-stack type-prefix f83name \E s" struct Longname *" single data-stack type-prefix longname \E @@ -2345,3 +2343,20 @@ while(a_addr != NULL) \+ +primtable ( -- wprimtable ) new +""wprimtable is a table containing the xts of the primitives indexed +by sequence-number in prim (for use in prepare-peephole-table)."" +wprimtable = (Cell)primtable(symbols+DOESJUMP+1,MAX_SYMBOLS); + +prepare-peephole-table ( wprimtable -- wpeeptable ) new prepare_peephole_opt +""wpeeptable is a data structure used by @code{peephole-opt}; it is +constructed by combining a primitives table with a simple peephole +optimization table."" +wpeeptable = prepare_peephole_table((Xt *)wprimtable); + +peephole-opt ( xt1 xt2 wpeeptable -- xt ) new peephole_opt +""xt is the combination of xt1 and xt2 (according to wpeeptable); if +they cannot be combined, xt is 0."" +xt = peephole_opt(xt1, xt2, wpeeptable); + +lit_plus = lit +