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authorEddie Hung <eddie@fpgeh.com>2019-04-21 14:16:34 -0700
committerEddie Hung <eddie@fpgeh.com>2019-04-21 14:16:34 -0700
commitd99422411f568d6d8d7de7d11346718e70012df4 (patch)
tree16eb67a26a1a9c09e86c23924702459a8e4017bf /techlibs
parent98781acf842e6184ae8991b6e48fdcdf18f4eaa9 (diff)
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Use new pmux2shiftx from #944, remove my old attempt
Diffstat (limited to 'techlibs')
-rw-r--r--techlibs/xilinx/synth_xilinx.cc11
1 files changed, 8 insertions, 3 deletions
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index 57bde998f..4f02a47ea 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -112,9 +112,11 @@ struct SynthXilinxPass : public Pass
log(" memory_map\n");
log(" dffsr2dff\n");
log(" dff2dffe\n");
- log(" opt -full\n");
log(" simplemap t:$dff t:$dffe (without '-nosrl' only)\n");
+ 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(" opt -fast\n");
log("\n");
@@ -261,17 +263,20 @@ struct SynthXilinxPass : public Pass
if (check_label(active, run_from, run_to, "fine"))
{
- Pass::call(design, "opt -fast -full");
+ Pass::call(design, "opt -fast");
Pass::call(design, "memory_map");
Pass::call(design, "dffsr2dff");
Pass::call(design, "dff2dffe");
- Pass::call(design, "opt -full");
if (!nosrl) {
Pass::call(design, "simplemap t:$dff t:$dffe");
+ Pass::call(design, "pmux2shiftx");
+ Pass::call(design, "opt_expr -mux_undef");
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");
} else {