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Added $anyconst and $aconst

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This commit is contained in:
Clifford Wolf 2016-07-27 15:41:22 +02:00
parent a7b0769623
commit 4056312987
7 changed files with 83 additions and 2 deletions
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2
kernel/celltypes.h
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@ -118,6 +118,8 @@ struct CellTypes
setup_type("$assume", {A, EN}, pool<RTLIL::IdString>(), true);
setup_type("$predict", {A, EN}, pool<RTLIL::IdString>(), true);
setup_type("$initstate", pool<RTLIL::IdString>(), {Y}, true);
setup_type("$anyconst", pool<RTLIL::IdString>(), {Y}, true);
setup_type("$aconst", pool<RTLIL::IdString>(), {Y}, true);
setup_type("$equiv", {A, B}, {Y}, true);
}

6
kernel/rtlil.cc
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@ -1030,6 +1030,12 @@ namespace {
return;
}
if (cell->type.in("$aconst", "$anyconst")) {
port("\\Y", param("\\WIDTH"));
check_expected();
return;
}
if (cell->type == "$equiv") {
port("\\A", 1);
port("\\B", 1);