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Tidy up synth_ice40, only restrict DSP_B_MINWIDTH=2

This commit is contained in:
Eddie Hung 2019-09-19 14:57:38 -07:00
parent 64a72ed51e
commit 3b9b0fcd06
1 changed files with 3 additions and 1 deletions
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4
techlibs/ice40/synth_ice40.cc
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@ -273,7 +273,9 @@ struct SynthIce40Pass : public ScriptPass
run("opt_expr");
run("opt_clean");
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=$__MUL16X16", "(if -dsp)");
run("techmap -map +/mul2dsp.v -map +/ice40/dsp_map.v -D DSP_A_MAXWIDTH=16 -D DSP_B_MAXWIDTH=16 "
"-D DSP_A_MINWIDTH=2 -D DSP_Y_MINWIDTH=11 "
"-D DSP_NAME=$__MUL16X16", "(if -dsp)");
run("opt_expr -fine", " (if -dsp)");
run("wreduce", " (if -dsp)");
run("ice40_dsp", " (if -dsp)");