Revert "Add a xilinx_finalise pass"

This reverts commit 23d90e0439ffef510632ce45a3d2aff1c129f405.

3 files changed, 0 insertions, 87 deletions

diff --git a/techlibs/xilinx/Makefile.inc b/techlibs/xilinx/Makefile.inc
index 10d783c3c..ae82311a9 100644
--- a/techlibs/xilinx/Makefile.inc
+++ b/techlibs/xilinx/Makefile.inc
@@ -1,6 +1,5 @@
 
 OBJS += techlibs/xilinx/synth_xilinx.o
-OBJS += techlibs/xilinx/xilinx_finalise.o
 
 GENFILES += techlibs/xilinx/brams_init_36.vh
 GENFILES += techlibs/xilinx/brams_init_32.vh
diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index c2f8279c2..022b0d108 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -512,8 +512,6 @@ struct SynthXilinxPass : public ScriptPass
 				run("iopadmap -bits -outpad OBUF I:O -inpad IBUF O:I A:top", "(only if '-iopad' or '-ise' and not '-noiopad')");
 			if (help_mode || ise)
 				run("extractinv -inv INV O:I", "(only if '-ise')");
-			if (help_mode || !nodsp)
-				run("xilinx_finalise", "(skip if '-nodsp')");
 		}
 
 		if (check_label("check")) {
diff --git a/techlibs/xilinx/xilinx_finalise.cc b/techlibs/xilinx/xilinx_finalise.cc
deleted file mode 100644
index db73babe3..000000000
--- a/techlibs/xilinx/xilinx_finalise.cc
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- *  yosys -- Yosys Open SYnthesis Suite
- *
- *  Copyright (C) 2012  Clifford Wolf <clifford@clifford.at>
- *            (C) 2019  Eddie Hung    <eddie@fpgeh.com>
- *
- *  Permission to use, copy, modify, and/or distribute this software for any
- *  purpose with or without fee is hereby granted, provided that the above
- *  copyright notice and this permission notice appear in all copies.
- *
- *  THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- *  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- *  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- *  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- *  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- *  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-
-#include "kernel/register.h"
-#include "kernel/celltypes.h"
-#include "kernel/rtlil.h"
-#include "kernel/log.h"
-
-USING_YOSYS_NAMESPACE
-PRIVATE_NAMESPACE_BEGIN
-
-struct XilinxFinalisePass : public Pass
-{
-	XilinxFinalisePass() : Pass("xilinx_finalise", "") { }
-
-	void help() YS_OVERRIDE
-	{
-		//   |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
-		log("\n");
-		log("    xilinx_finalise [options]\n");
-		log("\n");
-	}
-
-	void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
-	{
-		size_t argidx;
-		for (argidx = 1; argidx < args.size(); argidx++)
-		{
-			break;
-		}
-		extra_args(args, argidx, design);
-
-		log_header(design, "Executing XILINX_FINALISE pass.\n");
-
-		for (auto module : design->selected_modules())
-		for (auto cell : module->selected_cells()) {
-			if (cell->type != ID(DSP48E1))
-				continue;
-			for (auto &conn : cell->connections_) {
-				if (!cell->output(conn.first))
-					continue;
-				bool purge = true;
-				for (auto &chunk : conn.second.chunks()) {
-					auto it = chunk.wire->attributes.find(ID(unused_bits));
-					if (it == chunk.wire->attributes.end())
-						continue;
-
-					std::string unused_bits = stringf("%d", chunk.offset);
-					for (auto i = 1; i < chunk.width; i++)
-						unused_bits += stringf(" %d", i+chunk.offset);
-
-					if (it->second.decode_string().find(unused_bits) == std::string::npos) {
-						purge = false;
-						break;
-					}
-				}
-
-				if (purge) {
-					log_debug("Purging unused port connection %s %s (.%s(%s))\n", cell->type.c_str(), log_id(cell), log_id(conn.first), log_signal(conn.second));
-					conn.second = SigSpec();
-				}
-			}
-		}
-	}
-} XilinxFinalisePass;
-
-PRIVATE_NAMESPACE_END