diff options
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
| -rw-r--r-- | techlibs/xilinx/synth_xilinx.cc | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc index accc7a259..169f3b7ce 100644 --- a/techlibs/xilinx/synth_xilinx.cc +++ b/techlibs/xilinx/synth_xilinx.cc @@ -110,7 +110,9 @@ struct SynthXilinxPass : public Pass log(" dffsr2dff\n"); log(" dff2dffe\n"); log(" opt -full\n"); - log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v\n"); + log(" techmap -map +/techmap.v -map +/xilinx/arith_map.v\n"); + log(" shregmap -init_msb_first -params -enpol any_or_none\n"); + log(" techmap -map +/xilinx/ff_map.v\n"); log(" opt -fast\n"); log("\n"); log(" map_luts:\n"); @@ -255,11 +257,13 @@ struct SynthXilinxPass : public Pass Pass::call(design, "opt -full"); if (vpr) { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v -D _EXPLICIT_CARRY"); + Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -D _EXPLICIT_CARRY"); } else { - Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v -map +/xilinx/ff_map.v"); + Pass::call(design, "techmap -map +/techmap.v -map +/xilinx/arith_map.v"); } + Pass::call(design, "shregmap -init_msb_first -params -enpol any_or_none"); + Pass::call(design, "techmap -map +/xilinx/ff_map.v"); Pass::call(design, "hierarchy -check"); Pass::call(design, "opt -fast"); } |