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Merge pull request #4021 from povik/booth-wallace

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Change `booth` architecture for improved delay, similar signed/unsigned results
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N. Engelhardt 2023-11-27 16:26:03 +01:00 • committed by GitHub
commit beaae79e73
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3 changed files with 209 additions and 289 deletions
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techlibs/lattice/synth_lattice.cc
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@ -362,6 +362,8 @@ struct SynthLatticePass : public ScriptPass
run("techmap -map +/mul2dsp.v -map +/lattice/dsp_map" + dsp_map + ".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", "(unless -nodsp)");
run("chtype -set $mul t:$__soft_mul", "(unless -nodsp)");
}
if (family == "xo3" || help_mode)
run("booth", "(only if '-family xo3')");
run("alumacc");
run("opt");
run("memory -nomap" + no_rw_check_opt);