Add wreduce to synth_ice40 -dsp as well

diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc
index 9c3670c7cb31e4b9a729afe1fc46a352c1030b28..02598401cd4b43cc5dc2695469bf3b4648e099a5 100644 (file)
--- 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)");
                        }