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authorEddie Hung <eddie@fpgeh.com>2019-04-21 15:33:03 -0700
committerEddie Hung <eddie@fpgeh.com>2019-04-21 15:33:03 -0700
commitd342b5b135a85da0df5df0fa2acc25dec5605760 (patch)
treed946417a6fa041807cf538e3e7568b00075ffe4e /techlibs/xilinx/synth_xilinx.cc
parent726e2da8f272a893b355b63c5cc1a18fe0c2f406 (diff)
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Tidy up, fix for -nosrl
Diffstat (limited to 'techlibs/xilinx/synth_xilinx.cc')
-rw-r--r--techlibs/xilinx/synth_xilinx.cc15
1 files changed, 7 insertions, 8 deletions
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)