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analogdevices: DSP tweaks

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Lofty 2025-10-18 12:10:50 +01:00
parent 059925a56a
commit f1579304a6
2 changed files with 11 additions and 4 deletions
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2
techlibs/analogdevices/synth_analogdevices.cc
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@ -313,7 +313,7 @@ struct SynthAnalogDevicesPass : public ScriptPass
if (check_label("map_dsp", "(skip if '-nodsp')")) {
if (!nodsp || help_mode) {
run("memory_dff"); // xilinx_dsp will merge registers, reserve memory port registers first
// NB: Xilinx multipliers are signed only
// NB: Analog Devices multipliers are signed only
if (help_mode)
run("techmap -map +/mul2dsp.v -map +/analogdevices/{family}_dsp_map.v {options}");
run("techmap -map +/mul2dsp.v -map +/analogdevices/dsp_map.v -D DSP_A_MAXWIDTH=22 -D DSP_B_MAXWIDTH=22 "