From b0237eaa8bac851c45c4112d7aca9c4bb17db30e Mon Sep 17 00:00:00 2001
From: Sydney Riley <sriley@g.hmc.edu>
Date: Wed, 29 Mar 2023 15:15:47 -0700
Subject: [PATCH 1/2] Starting IFU tests including c.fld compressed instruction

---
 testbench/tests.vh   |  3 ++-
 tests/coverage/ifu.S | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+), 1 deletion(-)
 create mode 100644 tests/coverage/ifu.S

diff --git a/testbench/tests.vh b/testbench/tests.vh
index 79f100d4f..e03d50e30 100644
--- a/testbench/tests.vh
+++ b/testbench/tests.vh
@@ -47,7 +47,8 @@ string tvpaths[] = '{
     "ieu",
     "ebu",
     "csrwrites",
-    "priv"
+    "priv",
+    "ifu"
   };
 
   string coremark[] = '{
diff --git a/tests/coverage/ifu.S b/tests/coverage/ifu.S
new file mode 100644
index 000000000..a3a5e7d29
--- /dev/null
+++ b/tests/coverage/ifu.S
@@ -0,0 +1,40 @@
+///////////////////////////////////////////
+// ifu.S
+//
+// Written: David_Harris@hmc.edu 28 March 2023
+//
+// Purpose: Test coverage for IFU
+//
+// A component of the CORE-V-WALLY configurable RISC-V project.
+// 
+// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
+//
+// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
+//
+// Licensed under the Solderpad Hardware License v 2.1 (the “License”); you may not use this file 
+// except in compliance with the License, or, at your option, the Apache License version 2.0. You 
+// may obtain a copy of the License at
+//
+// https://solderpad.org/licenses/SHL-2.1/
+//
+// Unless required by applicable law or agreed to in writing, any work distributed under the 
+// License is distributed on an “AS IS” BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
+// either express or implied. See the License for the specific language governing permissions 
+// and limitations under the License.
+////////////////////////////////////////////////////////////////////////////////////////////////
+
+// load code to initalize stack, handle interrupts, terminate
+#include "WALLY-init-lib.h"
+
+main:
+    # turn floating point on
+    li t0, 0x2000
+    csrs mstatus, t0
+
+    # calling compressed floating point load double instruction
+    //.halfword 0x2000 // CL type compressed floating-point ld-->funct3,imm,rs1',imm,rd',op
+                        // binary version 0000 0000 0000 0000 0010 0000 0000 0000
+    mv s0, sp
+    c.fld fs0, 0(s0)
+
+    j done

From 20fec0177d2f85e68e6a9fb175621ff2e20cd468 Mon Sep 17 00:00:00 2001
From: Sydney Riley <sriley@g.hmc.edu>
Date: Wed, 29 Mar 2023 15:20:46 -0700
Subject: [PATCH 2/2] Corrected authorship for IFU.S tests file

---
 tests/coverage/ifu.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tests/coverage/ifu.S b/tests/coverage/ifu.S
index a3a5e7d29..3ceeeac12 100644
--- a/tests/coverage/ifu.S
+++ b/tests/coverage/ifu.S
@@ -1,7 +1,7 @@
 ///////////////////////////////////////////
 // ifu.S
 //
-// Written: David_Harris@hmc.edu 28 March 2023
+// Written: sriley@g.hmc.edu 28 March 2023
 //
 // Purpose: Test coverage for IFU
 //