Merge pull request #1454 from YosysHQ/mmicko/common_tests

Share common tests

1 files changed, 21 insertions, 0 deletions

diff --git a/tests/arch/common/latches.v b/tests/arch/common/latches.v
new file mode 100644
index 000000000..60b757103
--- /dev/null
+++ b/tests/arch/common/latches.v
@@ -0,0 +1,21 @@
+module latchp ( input d, clk, en, output reg q );
+	always @*
+		if ( en )
+			q <= d;
+endmodule
+
+module latchn ( input d, clk, en, output reg q );
+	always @*
+		if ( !en )
+			q <= d;
+endmodule
+
+module latchsr ( input d, clk, en, clr, pre, output reg q );
+	always @*
+		if ( clr )
+			q <= 1'b0;
+		else if ( pre )
+			q <= 1'b1;
+		else if ( en )
+			q <= d;
+endmodule