testsuite/synth: add a test for #1318

1 files changed, 15 insertions, 0 deletions

diff --git a/testsuite/synth/issue1318/ram2.v b/testsuite/synth/issue1318/ram2.v
new file mode 100644
index 000000000..c8f99f80a
--- /dev/null
+++ b/testsuite/synth/issue1318/ram2.v
@@ -0,0 +1,15 @@
+`default_nettype none
+module memory #(parameter W=8, D=64)
+   (input wire clk, wr_en,
+    input wire [W-1:0]  wr_addr, rd_addr,
+    input wire [D-1:0]  din,
+    output reg [D-1:0]  dout);
+
+   (*ram_style = "block"*)
+   reg [D-1:0]          mem [(1<<W)-1:0];
+
+   always @(posedge clk) begin
+      if(wr_en) mem[wr_addr] <= din;
+      dout <= mem[rd_addr];
+   end
+endmodule // memory