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Checking and fixing specify cells in genRTLIL

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2019-04-22 02:33:12 +02:00
parent 41b843c27b
commit b232e027bf
1 changed files with 15 additions and 1 deletions
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16
frontends/ast/genrtlil.cc
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@ -1521,9 +1521,23 @@ RTLIL::SigSpec AstNode::genRTLIL(int width_hint, bool sign_hint)
} }
for (auto &attr : attributes) { for (auto &attr : attributes) {
if (attr.second->type != AST_CONSTANT) if (attr.second->type != AST_CONSTANT)
log_file_error(filename, linenum, "Attribute `%s' with non-constant value!\n", attr.first.c_str()); log_file_error(filename, linenum, "Attribute `%s' with non-constant value.\n", attr.first.c_str());
cell->attributes[attr.first] = attr.second->asAttrConst(); cell->attributes[attr.first] = attr.second->asAttrConst();
} }
if (cell->type.in("$specify2", "$specify3")) {
int src_width = GetSize(cell->getPort("\\SRC"));
int dst_width = GetSize(cell->getPort("\\DST"));
bool full = cell->getParam("\\FULL").as_bool();
if (!full && src_width != dst_width)
log_file_error(filename, linenum, "Parallel specify SRC width does not match DST width.\n");
if (cell->type == "$specify3") {
int dat_width = GetSize(cell->getPort("\\DAT"));
if (dat_width != dst_width)
log_file_error(filename, linenum, "Specify DAT width does not match DST width.\n");
}
cell->setParam("\\SRC_WIDTH", Const(src_width));
cell->setParam("\\DST_WIDTH", Const(dst_width));
}
} }
break; break;