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authorDavid Shah <dave@ds0.me>2019-08-30 13:57:15 +0100
committerDavid Shah <dave@ds0.me>2019-08-30 13:57:15 +0100
commit6919c0f9b010c94a0a1a31cd788301e78a1bcbfb (patch)
tree4780799b6c1dc1d150b80aa142e6c53e06760cb3 /techlibs/ice40/synth_ice40.cc
parentedff79a25a802e5b1816608b48e3ac335ad87147 (diff)
parent694e30a35426b9582a1f2db730528d4d34305795 (diff)
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Merge branch 'master' into xc7dsp
Diffstat (limited to 'techlibs/ice40/synth_ice40.cc')
-rw-r--r--techlibs/ice40/synth_ice40.cc13
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");
}