From: Eddie Hung <eddie@fpgeh.com>
Date: Sat, 10 Aug 2019 00:05:56 +0000 (-0700)
Subject: Add wreduce to synth_ice40 -dsp as well
X-Git-Tag: working-ls180~1039^2~247
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6d254f2de802ccd71b6514b0f5e4c0b44c415ae4;p=yosys.git

Add wreduce to synth_ice40 -dsp as well
---

diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index 9c3670c7c..02598401c 100644
--- a/techlibs/ice40/synth_ice40.cc
+++ b/techlibs/ice40/synth_ice40.cc
@@ -268,6 +268,7 @@ struct SynthIce40Pass : public ScriptPass
 			if (help_mode || dsp) {
 				run("techmap -map +/mul2dsp.v -map +/ice40/dsp_map.v -D DSP_A_MAXWIDTH=16 -D DSP_B_MAXWIDTH=16 -D DSP_A_MINWIDTH=2 -D DSP_B_MINWIDTH=2 -D DSP_Y_MINWIDTH=11 -D DSP_NAME=$__MUL16X16", "(if -dsp)");
 				run("opt_expr -fine", "               (if -dsp)");
+				run("wreduce", "                      (if -dsp)");
 				run("ice40_dsp", "                    (if -dsp)");
 				run("chtype -set $mul t:$__soft_mul","(if -dsp)");
 			}