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| author | David Shah <dave@ds0.me> | 2019-08-08 15:18:59 +0100 |
|---|---|---|
| committer | David Shah <dave@ds0.me> | 2019-08-08 15:18:59 +0100 |
| commit | 0492b8b5412683392bc19ad7f15ba6c14e6668f8 (patch) | |
| tree | 3fb0209284437d781673bd501ed2c332c4a6b2df /techlibs/ecp5/synth_ecp5.cc | |
| parent | cb84ed23263f8cad8f878a327061ac2c990af812 (diff) | |
| download | yosys-0492b8b5412683392bc19ad7f15ba6c14e6668f8.tar.gz yosys-0492b8b5412683392bc19ad7f15ba6c14e6668f8.tar.bz2 yosys-0492b8b5412683392bc19ad7f15ba6c14e6668f8.zip | |
ecp5: Replace '-dsp' with inverse logic '-nodsp' to match synth_xilinx
Signed-off-by: David Shah <dave@ds0.me>
Diffstat (limited to 'techlibs/ecp5/synth_ecp5.cc')
| -rw-r--r-- | techlibs/ecp5/synth_ecp5.cc | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/techlibs/ecp5/synth_ecp5.cc b/techlibs/ecp5/synth_ecp5.cc index 7be377280..1a5359e85 100644 --- a/techlibs/ecp5/synth_ecp5.cc +++ b/techlibs/ecp5/synth_ecp5.cc @@ -89,8 +89,8 @@ struct SynthEcp5Pass : public ScriptPass log(" generate an output netlist (and BLIF file) suitable for VPR\n"); log(" (this feature is experimental and incomplete)\n"); log("\n"); - log(" -dsp\n"); - log(" map multipliers to MULT18X18D (EXPERIMENTAL)\n"); + log(" -nodsp\n"); + log(" do not map multipliers to MULT18X18D\n"); log("\n"); log("\n"); log("The following commands are executed by this synthesis command:\n"); @@ -99,7 +99,7 @@ struct SynthEcp5Pass : public ScriptPass } string top_opt, blif_file, edif_file, json_file; - bool noccu2, nodffe, nobram, nolutram, nowidelut, flatten, retime, abc2, abc9, dsp, vpr; + bool noccu2, nodffe, nobram, nolutram, nowidelut, flatten, retime, abc2, abc9, nodsp, vpr; void clear_flags() YS_OVERRIDE { @@ -117,7 +117,7 @@ struct SynthEcp5Pass : public ScriptPass abc2 = false; vpr = false; abc9 = false; - dsp = false; + nodsp = false; } void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE @@ -196,8 +196,8 @@ struct SynthEcp5Pass : public ScriptPass abc9 = true; continue; } - if (args[argidx] == "-dsp") { - dsp = true; + if (args[argidx] == "-nodsp") { + nodsp = true; continue; } break; @@ -247,11 +247,11 @@ struct SynthEcp5Pass : public ScriptPass run("techmap -map +/cmp2lut.v -D LUT_WIDTH=4"); 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_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)"); + if (!nodsp) { + 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", "(unless -nodsp)"); + run("clean", "(unless -nodsp)"); + run("techmap -map +/ecp5/dsp_map.v", "(unless -nodsp)"); + run("chtype -set $mul t:$__soft_mul", "(unless -nodsp)"); } run("alumacc"); run("opt"); |