diff --git a/libs/gamecode/test/test-conv0.c b/libs/gamecode/test/test-conv0.c
index e6d6b6ad7..f8b0e7b03 100644
--- a/libs/gamecode/test/test-conv0.c
+++ b/libs/gamecode/test/test-conv0.c
@@ -39,9 +39,9 @@ static pr_ivec4_t int_conv_expect[] = {
 	{         ~0,         ~0,         ~0,          0},	//bool64
 	{          0,         ~0,          0,          0},	//bool64
 	{          0,          0,          0,          0},	// int
-	{          1,         -1, 0x80000000, 0x80000000},	// float
+	{          1,         -1, 0x80000000, 0x80000000},	// float undef?
 	{         99, 0x80000000,        256, 0x7fffffff},	// long
-	{ 0x80000000, 0x80000000,          1,         -1},	// double
+	{ 0x80000000, 0x80000000,          1,         -1},	// double undef?
 	{          0,          0,          0,          0},	// uint
 	{          1,          1,          1,          0},	// bool32
 	{         99, 0x80000000,        256, 0x7fffffff},	// ulong
diff --git a/libs/gamecode/test/test-conv2.c b/libs/gamecode/test/test-conv2.c
index 654dd4c90..ee87f7531 100644
--- a/libs/gamecode/test/test-conv2.c
+++ b/libs/gamecode/test/test-conv2.c
@@ -49,10 +49,10 @@ static pr_ivec4_t long_conv_expect[] = {
 	{          5,          0,         -5, 0xffffffff},	// int
 	{ 0x80000000, 0xffffffff, 0x7fffffff,          0},
 	{          1,          0,         -1,         -1},	// float
-	{          0, 0x80000000,          0, 0x80000000},
+	{          0, 0x80000000,          0, 0x80000000},	// undef?
 	{          0,          0,          0,          0},	// long
 	{          0,          0,          0,          0},
-	{          0, 0x80000000,          0, 0x80000000},	// double
+	{          0, 0x80000000,          0, 0x80000000},	// double undef?
 	{          1,          0,         -1,         -1},
 	{          5,          0,         -5,          0},	// uint
 	{ 0x80000000,          0, 0x7fffffff,          0},
diff --git a/libs/gamecode/test/test-conv4.c b/libs/gamecode/test/test-conv4.c
index 4accd2ee8..8fc1ec846 100644
--- a/libs/gamecode/test/test-conv4.c
+++ b/libs/gamecode/test/test-conv4.c
@@ -39,11 +39,9 @@ static pr_ivec4_t uint_conv_expect[] = {
 	{         ~0,         ~0,         ~0,          0},	//bool64
 	{          0,         ~0,          0,          0},	//bool64
 	{          0,          0,          0,          0},	// int
-	// why 0?  expected 0xfffffff.    vv   gcc bug?
-	{          1, 0xffffffff,          0,          0},	// float
+	{          1, 0xffffffff,          0,          0},	// float undef?
 	{         99, 0x80000000,        256, 0x7fffffff},	// long
-	// why 0? vv expected 0xfffffff. gcc bug?
-	{          0,          0,          1, 0xffffffff},	// double
+	{          0,          0,          1, 0xffffffff},	// double undef?
 	{          0,          0,          0,          0},	// uint
 	{          1,          1,          1,          0},	// bool32
 	{         99, 0x80000000,        256, 0x7fffffff},	// ulong
diff --git a/libs/gamecode/test/test-conv6.c b/libs/gamecode/test/test-conv6.c
index a5d4f7881..3e84eeb03 100644
--- a/libs/gamecode/test/test-conv6.c
+++ b/libs/gamecode/test/test-conv6.c
@@ -49,10 +49,10 @@ static pr_ivec4_t ulong_conv_expect[] = {
 	{          5,          0,         -5, 0xffffffff},	// int
 	{ 0x80000000, 0xffffffff, 0x7fffffff,          0},
 	{          1,          0,         -1,         -1},	// float
-	{          0,          0,          0, 0x80000000},
+	{          0,          0,          0, 0x80000000},	// undef?
 	{          0,          0,          0,          0},	// long
 	{          0,          0,          0,          0},
-	{          0,          0,          0, 0x80000000},	// double
+	{          0,          0,          0, 0x80000000},	// double undef?
 	{          1,          0,         -1,         -1},
 	{          5,          0,         -5,          0},	// uint
 	{ 0x80000000,          0, 0x7fffffff,          0},