diff options
| -rwxr-xr-x | techlibs/achronix/synth_achronix.cc | 4 | ||||
| -rw-r--r-- | techlibs/coolrunner2/synth_coolrunner2.cc | 2 | ||||
| -rw-r--r-- | techlibs/gowin/synth_gowin.cc | 14 | ||||
| -rw-r--r-- | techlibs/intel/synth_intel.cc | 4 |
4 files changed, 16 insertions, 8 deletions
diff --git a/techlibs/achronix/synth_achronix.cc b/techlibs/achronix/synth_achronix.cc index 3642e3bd3..626860d9c 100755 --- a/techlibs/achronix/synth_achronix.cc +++ b/techlibs/achronix/synth_achronix.cc @@ -95,8 +95,8 @@ struct SynthAchronixPass : public ScriptPass { run_to = args[argidx].substr(pos+1); continue; } - if (args[argidx] == "-flatten") { - flatten = true; + if (args[argidx] == "-noflatten") { + flatten = false; continue; } if (args[argidx] == "-retime") { diff --git a/techlibs/coolrunner2/synth_coolrunner2.cc b/techlibs/coolrunner2/synth_coolrunner2.cc index 810380d4a..21bbcaef4 100644 --- a/techlibs/coolrunner2/synth_coolrunner2.cc +++ b/techlibs/coolrunner2/synth_coolrunner2.cc @@ -129,7 +129,7 @@ struct SynthCoolrunner2Pass : public ScriptPass run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str())); } - if (check_label("flatten", "(unless -noflatten)") && flatten) + if (flatten && check_label("flatten", "(unless -noflatten)")) { run("proc"); run("flatten"); diff --git a/techlibs/gowin/synth_gowin.cc b/techlibs/gowin/synth_gowin.cc index 9700b3898..96128a680 100644 --- a/techlibs/gowin/synth_gowin.cc +++ b/techlibs/gowin/synth_gowin.cc @@ -52,6 +52,9 @@ struct SynthGowinPass : public ScriptPass log(" -nobram\n"); log(" do not use BRAM cells in output netlist\n"); log("\n"); + log(" -noflatten\n"); + log(" do not flatten design before synthesis\n"); + log("\n"); log(" -retime\n"); log(" run 'abc' with -dff option\n"); log("\n"); @@ -62,14 +65,15 @@ struct SynthGowinPass : public ScriptPass } string top_opt, vout_file; - bool retime, nobram; + bool retime, flatten, nobram; void clear_flags() YS_OVERRIDE { top_opt = "-auto-top"; vout_file = ""; retime = false; - nobram = true; + flatten = true; + nobram = true; } void execute(std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE @@ -104,6 +108,10 @@ struct SynthGowinPass : public ScriptPass nobram = true; continue; } + if (args[argidx] == "-noflatten") { + flatten = false; + continue; + } break; } extra_args(args, argidx, design); @@ -127,7 +135,7 @@ struct SynthGowinPass : public ScriptPass run(stringf("hierarchy -check %s", help_mode ? "-top <top>" : top_opt.c_str())); } - if (check_label("flatten") && check_label("flatten", "(unless -noflatten)")) + if (flatten && check_label("flatten", "(unless -noflatten)")) { run("proc"); run("flatten"); diff --git a/techlibs/intel/synth_intel.cc b/techlibs/intel/synth_intel.cc index d74f295ec..0f1d7a7b5 100644 --- a/techlibs/intel/synth_intel.cc +++ b/techlibs/intel/synth_intel.cc @@ -131,8 +131,8 @@ struct SynthIntelPass : public ScriptPass { nobram = true; continue; } - if (args[argidx] == "-flatten") { - flatten = true; + if (args[argidx] == "-noflatten") { + flatten = false; continue; } if (args[argidx] == "-retime") { |