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Add DSP_A_MAXWIDTH_PARTIAL, refactor

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This commit is contained in:
Eddie Hung 2019-08-13 10:21:24 -07:00
parent f890cfb63b
commit 2a1b98d478
2 changed files with 111 additions and 145 deletions
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2
techlibs/xilinx/synth_xilinx.cc
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@ -286,7 +286,7 @@ struct SynthXilinxPass : public ScriptPass
if (!nodsp || help_mode) {
// NB: Xilinx multipliers are signed only
run("techmap -map +/mul2dsp.v -map +/xilinx/dsp_map.v -D DSP_A_MAXWIDTH=25 -D DSP_B_MAXWIDTH=18 -D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18", "(skip if '-nodsp')");
run("techmap -map +/mul2dsp.v -map +/xilinx/dsp_map.v -D DSP_A_MAXWIDTH=25 -D DSP_A_MAXWIDTH_PARTIAL=18 -D DSP_B_MAXWIDTH=18 -D DSP_SIGNEDONLY=1 -D DSP_NAME=$__MUL25X18", "(skip if '-nodsp')");
run("opt_expr -fine", " (skip if '-nodsp')");
run("wreduce", " (skip if '-nodsp')");
run("xilinx_dsp", " (skip if '-nodsp')");