From 92a0827d80a74f28d9c98885558726aff2ef8676 Mon Sep 17 00:00:00 2001
From: Dygore <dylan.gore@okstate.edu>
Date: Fri, 14 Apr 2023 14:40:55 -0500
Subject: [PATCH] Added multiple tests to increase FPU coverage
---
tests/coverage/fpu.S | 31 +++++++++++++++++++++++++++++--
1 file changed, 29 insertions(+), 2 deletions(-)
diff --git a/tests/coverage/fpu.S b/tests/coverage/fpu.S
index d377d47d..b2a52be0 100644
--- a/tests/coverage/fpu.S
+++ b/tests/coverage/fpu.S
@@ -45,6 +45,30 @@ main:
flw ft2, 4(t0)
fmsub.s ft3, ft0, ft1, ft2 #Adds coverage for fmaAs or Z Sign Bit
+ #Adds Coverage for Flag fmaAs, fmaPs, YSNaN, ZSNaN
+ fmadd.s ft3, ft0, ft1, ft2
+
+ flw ft0, 8(t0)
+ fmadd.s ft3, ft0, ft1, ft2
+
+ flw ft1, 12(t0)
+ fmadd.s ft3, ft0, ft1, ft2
+
+ flw ft2, 12(t0)
+ flw ft1, 4(t0)
+ fmadd.s ft3, ft0, ft1, ft2
+
+ #Add Coverage for round lsbRes
+ flw ft0, 16(t0)
+ flw ft1, 4(t0)
+ fmadd.s ft3, ft0, ft1, ft2
+
+ #Fix BadNaNBox test on unpackinput Z
+ la t0, TestData2
+ flw ft3, 0(t0)
+ flw ft4, 0(t0)
+ fadd.s ft5, ft3, ft4
+
# Test legal instructions not covered elsewhere
flq ft0, 0(a0)
flh ft0, 8(a0)
@@ -117,5 +141,8 @@ main:
TestData1:
.int 0x00100000 #Denormalized FP number
TestData2:
-.word 0x60000001 #Random FP Number (Pos)
-.word 0x7f800000 #INF
\ No newline at end of file
+.int 0x3f800000 #FP 1.0
+.word 0x7f800000 #INF
+.int 0xbf800000 #FP -1.0
+.int 0x7fa00000 #SNaN
+.int 0x3fffffff #OverFlow Test
\ No newline at end of file