diff options
| -rw-r--r-- | techlibs/xilinx/ff_map.v | 13 | ||||
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 15 |
2 files changed, 16 insertions, 12 deletions
diff --git a/techlibs/xilinx/ff_map.v b/techlibs/xilinx/ff_map.v index 3d5f78770..c61fd7070 100644 --- a/techlibs/xilinx/ff_map.v +++ b/techlibs/xilinx/ff_map.v @@ -22,21 +22,26 @@ `ifndef _NO_FFS +`ifndef _NO_POS_SR module \$_DFF_N_ (input D, C, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule module \$_DFF_P_ (input D, C, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .R(1'b0)); endmodule module \$_DFFE_NP_ (input D, C, E, output Q); FDRE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule module \$_DFFE_PP_ (input D, C, E, output Q); FDRE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(E), .R(1'b0)); endmodule -module \$_DFF_NN0_ (input D, C, R, output Q); \$_DFF_NP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule module \$_DFF_NP0_ (input D, C, R, output Q); FDCE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule -module \$_DFF_PN0_ (input D, C, R, output Q); \$_DFF_PP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule module \$_DFF_PP0_ (input D, C, R, output Q); FDCE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .CLR( R)); endmodule -module \$_DFF_NN1_ (input D, C, R, output Q); \$_DFF_NP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule module \$_DFF_NP1_ (input D, C, R, output Q); FDPE_1 #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule -module \$_DFF_PN1_ (input D, C, R, output Q); \$_DFF_PP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule module \$_DFF_PP1_ (input D, C, R, output Q); FDPE #(.INIT(|0)) _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .CE(1'b1), .PRE( R)); endmodule +`endif + +module \$_DFF_NN0_ (input D, C, R, output Q); \$_DFF_NP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +module \$_DFF_PN0_ (input D, C, R, output Q); \$_DFF_PP0_ _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule + +module \$_DFF_NN1_ (input D, C, R, output Q); \$_DFF_NP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +module \$_DFF_PN1_ (input D, C, R, output Q); \$_DFF_PP1 _TECHMAP_REPLACE_ (.D(D), .Q(Q), .C(C), .R(~R)); endmodule +`endif `endif diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index a9e50329c..e84a6714b 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -116,8 +116,7 @@ struct SynthXilinxPass : public Pass log(" pmux2shiftx (without '-nosrl' only)\n"); log(" opt_expr -mux_undef (without '-nosrl' only)\n"); log(" shregmap -tech xilinx -minlen 3 (without '-nosrl' only)\n"); - log(" opt -full\n"); - log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v\n"); + log(" techmap -map +/xilinx/arith_map.v\n"); log(" opt -fast\n"); log("\n"); log(" map_cells:\n"); @@ -125,7 +124,8 @@ struct SynthXilinxPass : public Pass log(" clean\n"); log("\n"); log(" map_luts:\n"); - log(" techmap -map +/techmap.v -map +/xilinx/ff_map.v t:$_DFF_?N?\n"); + log(" opt -full\n"); + log(" techmap -map +/techmap.v -D _NO_POS_SR -map +/xilinx/ff_map.v\n"); log(" abc -luts 2:2,3,6:5,10,20 [-dff]\n"); log(" clean\n"); log(" shregmap -minlen 3 -init -params -enpol any_or_none (without '-nosrl' only)\n"); @@ -282,12 +282,10 @@ struct SynthXilinxPass : public Pass Pass::call(design, "shregmap -tech xilinx -minlen 3"); } - Pass::call(design, "opt -full"); - if (vpr) { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); + Pass::call(design, "techmap -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); } else { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v"); + Pass::call(design, "techmap -map +/xilinx/arith_map.v"); } Pass::call(design, "hierarchy -check"); @@ -302,7 +300,8 @@ struct SynthXilinxPass : public Pass if (check_label(active, run_from, run_to, "map_luts")) { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/ff_map.v t:$_DFF_?N?"); + Pass::call(design, "opt -full"); + Pass::call(design, "techmap -map +/techmap.v -D _NO_POS_SR -map +/xilinx/ff_map.v"); Pass::call(design, "abc -luts 2:2,3,6:5,10,20" + string(retime ? " -dff" : "")); Pass::call(design, "clean"); if (!nosrl) |