From 47fd042b9f8a92df1e1d59042068e7846c4ce808 Mon Sep 17 00:00:00 2001
From: Eddie Hung <eddie@fpgeh.com>
Date: Fri, 19 Jul 2019 20:20:33 -0700
Subject: Indirection via $__soft_mul

---
 techlibs/ice40/synth_ice40.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'techlibs/ice40')

diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index 77bd0ac81..fcb177491 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 -D DSP_A_MAXWIDTH=16 -D DSP_B_MAXWIDTH=16 -D DSP_MINWIDTH=11 -D DSP_NAME=$__MUL16X16", "(if -dsp)");
 				run("ice40_dsp", "(if -dsp)");
+				run("chtype -set $mul t:$__soft_mul");
 			}
 			run("alumacc");
 			run("opt");
-- 
cgit v1.2.3