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Merge pull request #5741 from YosysHQ/lofty/quicklogic-mul-bugfix

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synth_quicklogic: fix small multiplier inference
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Lofty 2026-03-11 11:47:46 +00:00 • committed by GitHub
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techlibs/quicklogic/synth_quicklogic.cc
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@ -236,6 +236,7 @@ struct SynthQuickLogicPass : public ScriptPass {
run("ql_dsp_macc");
run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=20 -D DSP_B_MAXWIDTH=18 -D DSP_A_MINWIDTH=11 -D DSP_B_MINWIDTH=10 -D DSP_NAME=$__QL_MUL20X18");
run("chtype -set $mul t:$__soft_mul");
run("techmap -map +/mul2dsp.v -D DSP_A_MAXWIDTH=10 -D DSP_B_MAXWIDTH=9 -D DSP_A_MINWIDTH=4 -D DSP_B_MINWIDTH=4 -D DSP_NAME=$__QL_MUL10X9");
run("chtype -set $mul t:$__soft_mul");