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ecp5: Bring up to date with mul2dsp changes

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Signed-off-by: David Shah <dave@ds0.me>
This commit is contained in:
David Shah 2019-08-08 15:14:09 +01:00
parent 83b2e02723
commit cb84ed2326
2 changed files with 10 additions and 2 deletions
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3
techlibs/ecp5/synth_ecp5.cc
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@ -248,9 +248,10 @@ struct SynthEcp5Pass : public ScriptPass
run("opt_expr");
run("opt_clean");
if (dsp) {
run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=18 -D DSP_B_MAXWIDTH=18 -D DSP_NAME=$__MUL18X18");
run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=18 -D DSP_B_MAXWIDTH=18 -D DSP_A_MINWIDTH=2 -D DSP_B_MINWIDTH=2 -D DSP_NAME=$__MUL18X18");
run("clean");
run("techmap -map +/ecp5/dsp_map.v");
run("chtype -set $mul t:$__soft_mul","(if -dsp)");
}
run("alumacc");
run("opt");