From: Eddie Hung <eddie@fpgeh.com>
Date: Thu, 8 Aug 2019 17:45:56 +0000 (-0700)
Subject: Move xilinx_dsp to before alumacc
X-Git-Tag: working-ls180~1039^2~258
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=716024387468285f0d5ee2719b86fe6ddbfff93e;p=yosys.git

Move xilinx_dsp to before alumacc
---

diff --git a/techlibs/xilinx/synth_xilinx.cc b/techlibs/xilinx/synth_xilinx.cc
index a787c7c4c..49beaa565 100644
--- a/techlibs/xilinx/synth_xilinx.cc
+++ b/techlibs/xilinx/synth_xilinx.cc
@@ -286,7 +286,10 @@ struct SynthXilinxPass : public ScriptPass
 
 			if (!nodsp || help_mode) {
 				// NB: Xilinx multipliers are signed only
-				run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=25 -D DSP_B_MAXWIDTH=18 -D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18");
+				run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=25 -D DSP_B_MAXWIDTH=18 -D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18", "(skip if '-nodsp')");
+				run("techmap -map +/xilinx/dsp_map.v", "(skip if '-nodsp')"); // TODO: fold into xilinx_dsp
+				run("xilinx_dsp", "                     (skip if '-nodsp')");
+				run("chtype -set $mul t:$__soft_mul","  (skip if '-nodsp')");
 			}
 
 			run("alumacc");
@@ -331,11 +334,6 @@ struct SynthXilinxPass : public ScriptPass
 			run("memory_map");
 			run("dffsr2dff");
 			run("dff2dffe");
-			if (help_mode || !nodsp) {
-				run("techmap -map +/xilinx/dsp_map.v", "(skip if '-nodsp')");
-				run("xilinx_dsp", "                     (skip if '-nodsp')");
-				run("chtype -set $mul t:$__soft_mul","  (skip if '-nodsp')");
-			}
 			if (help_mode) {
 				run("simplemap t:$mux", "         ('-widemux' only)");
 				run("muxcover <internal options>, ('-widemux' only)");