From 69b47511623076c28bacd1498845bd8a5b6ca9ef Mon Sep 17 00:00:00 2001
From: Dygore <dylan.gore@okstate.edu>
Date: Fri, 14 Apr 2023 00:33:53 -0500
Subject: [PATCH] Added tests for full coverage of the FPU result sign module

---
 tests/coverage/fpu.S | 18 +++++++++++++++---
 1 file changed, 15 insertions(+), 3 deletions(-)

diff --git a/tests/coverage/fpu.S b/tests/coverage/fpu.S
index 9c8f3d344..d377d47d6 100644
--- a/tests/coverage/fpu.S
+++ b/tests/coverage/fpu.S
@@ -32,10 +32,19 @@ main:
     csrs mstatus, t0
 
     #Pull denormalized FP number from memory and pass it to fclass.S for coverage
-    la t0, TestData
+    la t0, TestData1
     flw ft0, 0(t0)
     fclass.s t1, ft0
 
+    #Result Sign Test Coverage
+    la t0, TestData2
+    flw ft0, 0(t0)
+    flw ft1, 4(t0)
+    fadd.s ft2, ft0, ft1 #Adds coverage for inf as arg for FADD
+
+    flw ft2, 4(t0)
+    fmsub.s ft3, ft0, ft1, ft2 #Adds coverage for fmaAs or Z Sign Bit
+
     # Test legal instructions not covered elsewhere
     flq ft0, 0(a0)
     flh ft0, 8(a0)
@@ -105,5 +114,8 @@ main:
 
 .section .data
 .align 3
-TestData:
-.int 0x00100000 #Denormalized FP number
\ No newline at end of file
+TestData1:
+.int 0x00100000 #Denormalized FP number
+TestData2:
+.word 0x60000001 #Random FP Number (Pos)
+.word 0x7f800000 #INF
\ No newline at end of file