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| author | Clifford Wolf <clifford@clifford.at> | 2019-07-12 10:48:00 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-07-12 10:48:00 +0200 |
| commit | 463f7100665b38ca346f3919a65ff7626c24c91c (patch) | |
| tree | 8d471d6ee751cf04a89f425c59327340f11464e5 /techlibs | |
| parent | 19c1c3cfa351eb818065054ca6358006f38acb9c (diff) | |
| parent | b700a4b1c5dd086874c7024edb10674cf3c3a7c4 (diff) | |
| download | yosys-463f7100665b38ca346f3919a65ff7626c24c91c.tar.gz yosys-463f7100665b38ca346f3919a65ff7626c24c91c.tar.bz2 yosys-463f7100665b38ca346f3919a65ff7626c24c91c.zip | |
Merge pull request #1183 from whitequark/ice40-always-relut
synth_ice40: switch -relut to be always on
Diffstat (limited to 'techlibs')
| -rw-r--r-- | techlibs/ice40/synth_ice40.cc | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/techlibs/ice40/synth_ice40.cc b/techlibs/ice40/synth_ice40.cc index 2c75215cb..0474e76e9 100644 --- a/techlibs/ice40/synth_ice40.cc +++ b/techlibs/ice40/synth_ice40.cc @@ -67,9 +67,6 @@ struct SynthIce40Pass : public ScriptPass log(" -retime\n"); log(" run 'abc' with -dff option\n"); log("\n"); - log(" -relut\n"); - log(" combine LUTs after synthesis\n"); - log("\n"); log(" -nocarry\n"); log(" do not use SB_CARRY cells in output netlist\n"); log("\n"); @@ -78,7 +75,7 @@ struct SynthIce40Pass : public ScriptPass log("\n"); log(" -dffe_min_ce_use <min_ce_use>\n"); log(" do not use SB_DFFE* cells if the resulting CE line would go to less\n"); - log(" than min_ce_use SB_DFFE*in output netlist\n"); + log(" than min_ce_use SB_DFFE* in output netlist\n"); log("\n"); log(" -nobram\n"); log(" do not use SB_RAM40_4K* cells in output netlist\n"); @@ -106,7 +103,7 @@ struct SynthIce40Pass : public ScriptPass } string top_opt, blif_file, edif_file, json_file, abc, device_opt; - bool nocarry, nodffe, nobram, dsp, flatten, retime, relut, noabc, abc2, vpr; + bool nocarry, nodffe, nobram, dsp, flatten, retime, noabc, abc2, vpr; int min_ce_use; void clear_flags() YS_OVERRIDE @@ -122,7 +119,6 @@ struct SynthIce40Pass : public ScriptPass dsp = false; flatten = true; retime = false; - relut = false; noabc = false; abc2 = false; vpr = false; @@ -175,7 +171,7 @@ struct SynthIce40Pass : public ScriptPass continue; } if (args[argidx] == "-relut") { - relut = true; + // removed, opt_lut is always run continue; } if (args[argidx] == "-nocarry") { @@ -347,10 +343,8 @@ struct SynthIce40Pass : public ScriptPass run(abc + " -dress -lut 4", "(skip if -noabc)"); } run("clean"); - if (relut || help_mode) { - run("ice40_unlut", " (only if -relut)"); - run("opt_lut -dlogic SB_CARRY:I0=1:I1=2:CI=3", "(only if -relut)"); - } + run("ice40_unlut"); + run("opt_lut -dlogic SB_CARRY:I0=1:I1=2:CI=3"); } if (check_label("map_cells")) |