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Add check before flatten in synth_*.

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This commit is contained in:
nella 2026-05-05 14:04:46 +02:00
parent 16b893bd88
commit fff034d2f8
20 changed files with 47 additions and 14 deletions
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8
techlibs/xilinx/synth_xilinx.cc
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@ -355,8 +355,10 @@ struct SynthXilinxPass : public ScriptPass
if (check_label("prepare")) {
run("proc");
if (flatten || help_mode)
if (flatten || help_mode) {
run("check");
run("flatten", "(with '-flatten')");
}
if (active_design)
active_design->scratchpad_unset("tribuf.added_something");
run("tribuf -logic");
@ -637,8 +639,10 @@ struct SynthXilinxPass : public ScriptPass
if (check_label("map_luts")) {
run("opt_expr -mux_undef -noclkinv");
if (flatten_before_abc)
if (flatten_before_abc) {
run("check");
run("flatten");
}
if (help_mode)
run("abc -luts 2:2,3,6:5[,10,20] [-dff] [-D 1]", "(option for '-nowidelut', '-dff', '-retime')");
else if (abc9) {