From 3d5c128470cb2644e66094151859d5a0cc051ff1 Mon Sep 17 00:00:00 2001
From: Dygore <dylan.gore@okstate.edu>
Date: Thu, 13 Apr 2023 16:39:27 -0500
Subject: [PATCH] Added a test for denormalized FP numbers

---
 tests/coverage/fpu.S | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tests/coverage/fpu.S b/tests/coverage/fpu.S
index 02b3f4a4..9c8f3d34 100644
--- a/tests/coverage/fpu.S
+++ b/tests/coverage/fpu.S
@@ -31,6 +31,11 @@ main:
     #bseti t0, zero, 14  # turn on FPU
     csrs mstatus, t0
 
+    #Pull denormalized FP number from memory and pass it to fclass.S for coverage
+    la t0, TestData
+    flw ft0, 0(t0)
+    fclass.s t1, ft0
+
     # Test legal instructions not covered elsewhere
     flq ft0, 0(a0)
     flh ft0, 8(a0)
@@ -98,3 +103,7 @@ main:
 
     j done
 
+.section .data
+.align 3
+TestData:
+.int 0x00100000 #Denormalized FP number
\ No newline at end of file