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author | David Shah <dave@ds0.me> | 2019-08-30 13:57:15 +0100 |
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committer | David Shah <dave@ds0.me> | 2019-08-30 13:57:15 +0100 |
commit | 6919c0f9b010c94a0a1a31cd788301e78a1bcbfb (patch) | |
tree | 4780799b6c1dc1d150b80aa142e6c53e06760cb3 /techlibs/ice40/synth_ice40.cc | |
parent | edff79a25a802e5b1816608b48e3ac335ad87147 (diff) | |
parent | 694e30a35426b9582a1f2db730528d4d34305795 (diff) | |
download | yosys-6919c0f9b010c94a0a1a31cd788301e78a1bcbfb.tar.gz yosys-6919c0f9b010c94a0a1a31cd788301e78a1bcbfb.tar.bz2 yosys-6919c0f9b010c94a0a1a31cd788301e78a1bcbfb.zip |
Merge branch 'master' into xc7dsp
Diffstat (limited to 'techlibs/ice40/synth_ice40.cc')
-rw-r--r-- | techlibs/ice40/synth_ice40.cc | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 24668d642..a79c471c1 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -238,7 +238,7 @@ struct SynthIce40Pass : public ScriptPass { if (check_label("begin")) { - run("read_verilog -icells -lib -D_ABC +/ice40/cells_sim.v"); + run("read_verilog -icells -lib +/ice40/cells_sim.v"); run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str())); run("proc"); } @@ -298,8 +298,10 @@ struct SynthIce40Pass : public ScriptPass { if (nocarry) run("techmap"); - else - run("techmap -map +/techmap.v -map +/ice40/arith_map.v" + std::string(abc == "abc9" ? " -D _ABC" : "")); + else { + run("ice40_wrapcarry"); + run("techmap -map +/techmap.v -map +/ice40/arith_map.v"); + } if (retime || help_mode) run(abc + " -dff", "(only if -retime)"); run("ice40_opt"); @@ -314,7 +316,7 @@ struct SynthIce40Pass : public ScriptPass run("opt_merge"); run(stringf("dff2dffe -unmap-mince %d", min_ce_use)); } - run("techmap -D NO_LUT -map +/ice40/cells_map.v"); + run("techmap -D NO_LUT -D NO_ADDER -map +/ice40/cells_map.v"); run("opt_expr -mux_undef"); run("simplemap"); run("ice40_ffinit"); @@ -343,13 +345,12 @@ struct SynthIce40Pass : public ScriptPass else wire_delay = 250; run(abc + stringf(" -W %d -lut +/ice40/abc_%s.lut -box +/ice40/abc_%s.box", wire_delay, device_opt.c_str(), device_opt.c_str()), "(skip if -noabc)"); - run("techmap -D NO_LUT -D _ABC -map +/ice40/cells_map.v"); } else run(abc + " -dress -lut 4", "(skip if -noabc)"); } + run("techmap -D NO_LUT -map +/ice40/cells_map.v"); run("clean"); - run("ice40_unlut"); run("opt_lut -dlogic SB_CARRY:I0=2:I1=1:CI=0"); } |