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-rw-r--r--backends/verilog/verilog_backend.cc9
1 files changed, 6 insertions, 3 deletions
diff --git a/backends/verilog/verilog_backend.cc b/backends/verilog/verilog_backend.cc
index 2537e18e5..8da3c0627 100644
--- a/backends/verilog/verilog_backend.cc
+++ b/backends/verilog/verilog_backend.cc
@@ -709,11 +709,14 @@ bool dump_cell_expr(std::ostream &f, std::string indent, RTLIL::Cell *cell)
if (cell->type == "$shiftx")
{
+ std::string temp_id = next_auto_id();
+ f << stringf("%s" "wire [%d:0] %s = ", indent.c_str(), GetSize(cell->getPort("\\A"))-1, temp_id.c_str());
+ dump_sigspec(f, cell->getPort("\\A"));
+ f << stringf(";\n");
+
f << stringf("%s" "assign ", indent.c_str());
dump_sigspec(f, cell->getPort("\\Y"));
- f << stringf(" = ");
- dump_sigspec(f, cell->getPort("\\A"));
- f << stringf("[");
+ f << stringf(" = %s[", temp_id.c_str());
if (cell->getParam("\\B_SIGNED").as_bool())
f << stringf("$signed(");
dump_sigspec(f, cell->getPort("\\B"));