From 2f4337f027ec97dd93642ea2db70873e9192fb3b Mon Sep 17 00:00:00 2001
From: Tristan Gingold
Date: Sun, 7 Dec 2014 11:40:58 +0100
Subject: Add perf02 (performance issue).

---
 testsuite/gna/perf02/mul_146.vhd | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)
 create mode 100644 testsuite/gna/perf02/mul_146.vhd

(limited to 'testsuite/gna/perf02/mul_146.vhd')

diff --git a/testsuite/gna/perf02/mul_146.vhd b/testsuite/gna/perf02/mul_146.vhd
new file mode 100644
index 0000000..bacb4c7
--- /dev/null
+++ b/testsuite/gna/perf02/mul_146.vhd
@@ -0,0 +1,27 @@
+library ieee;
+use ieee.std_logic_1164.all;
+
+library ieee;
+use ieee.numeric_std.all;
+
+entity mul_146 is
+	port (
+		output : out std_logic_vector(63 downto 0);
+		in_a : in  std_logic_vector(63 downto 0);
+		in_b : in  std_logic_vector(31 downto 0)
+	);
+end mul_146;
+
+architecture augh of mul_146 is
+
+	signal tmp_res : signed(95 downto 0);
+
+begin
+
+	-- The actual multiplication
+	tmp_res <= signed(in_a) * signed(in_b);
+
+	-- Set the output
+	output <= std_logic_vector(tmp_res(63 downto 0));
+
+end architecture;
-- 
cgit