diff options
Diffstat (limited to 'techlibs/xilinx')
| -rw-r--r-- | techlibs/xilinx/cells_sim.v | 24 | ||||
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 8 |
2 files changed, 24 insertions, 8 deletions
diff --git a/techlibs/xilinx/cells_sim.v b/techlibs/xilinx/cells_sim.v index bec9ea1a0..3ad96d7fb 100644 --- a/techlibs/xilinx/cells_sim.v +++ b/techlibs/xilinx/cells_sim.v @@ -183,9 +183,11 @@ endmodule (* abc_box_id = 4, lib_whitebox *) module CARRY4( - (* abc_carry *) output [3:0] CO, + (* abc_carry *) + output [3:0] CO, output [3:0] O, - (* abc_carry *) input CI, + (* abc_carry *) + input CI, input CYINIT, input [3:0] DI, S ); @@ -298,9 +300,11 @@ endmodule (* abc_box_id = 5 *) module RAM32X1D ( output DPO, SPO, - (* abc_scc_break *) input D, + (* abc_scc_break *) + input D, input WCLK, - (* abc_scc_break *) input WE, + (* abc_scc_break *) + input WE, input A0, A1, A2, A3, A4, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4 ); @@ -318,9 +322,11 @@ endmodule (* abc_box_id = 6 *) module RAM64X1D ( output DPO, SPO, - (* abc_scc_break *) input D, + (* abc_scc_break *) + input D, input WCLK, - (* abc_scc_break *) input WE, + (* abc_scc_break *) + input WE, input A0, A1, A2, A3, A4, A5, input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5 ); @@ -338,9 +344,11 @@ endmodule (* abc_box_id = 7 *) module RAM128X1D ( output DPO, SPO, - (* abc_scc_break *) input D, + (* abc_scc_break *) + input D, input WCLK, - (* abc_scc_break *) input WE, + (* abc_scc_break *) + input WE, input [6:0] A, DPRA ); parameter INIT = 128'h0; diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index 7ba67409b..87f4af8f7 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -105,6 +105,7 @@ struct SynthXilinxPass : public ScriptPass std::string top_opt, edif_file, blif_file, family; bool flatten, retime, vpr, nobram, nolutram, nosrl, nocarry, nowidelut, abc9; + bool flatten_before_abc; int widemux; void clear_flags() YS_OVERRIDE @@ -123,6 +124,7 @@ struct SynthXilinxPass : public ScriptPass nocarry = false; nowidelut = false; abc9 = false; + flatten_before_abc = false; widemux = 0; } @@ -162,6 +164,10 @@ struct SynthXilinxPass : public ScriptPass flatten = true; continue; } + if (args[argidx] == "-flatten_before_abc") { + flatten_before_abc = true; + continue; + } if (args[argidx] == "-retime") { retime = true; continue; @@ -385,6 +391,8 @@ struct SynthXilinxPass : public ScriptPass if (check_label("map_luts")) { run("opt_expr -mux_undef"); + if (flatten_before_abc) + run("flatten"); if (help_mode) run("abc -luts 2:2,3,6:5[,10,20] [-dff]", "(option for 'nowidelut', option for '-retime')"); else if (abc9) { |