diff --git a/test/core/core_func_integer_bit_count.cpp b/test/core/core_func_integer_bit_count.cpp
index 8af4a8d6..c72d63e6 100644
--- a/test/core/core_func_integer_bit_count.cpp
+++ b/test/core/core_func_integer_bit_count.cpp
@@ -210,7 +210,7 @@ int main()
 #	ifdef NDEBUG
 
 	int i, n;
-	static int test[] = {0,0, 1,1, 2,1, 3,2, 4,1, 5,2, 6,2, 7,3,
+	static unsigned test[] = {0,0, 1,1, 2,1, 3,2, 4,1, 5,2, 6,2, 7,3,
 		8,1, 9,2, 10,2, 11,3, 12,2, 13,3, 14,3, 15,4, 16,1, 17,2,
 		0x3F,6, 0x40,1, 0x41,2, 0x7f,7, 0x80,1, 0x81,2, 0xfe,7, 0xff,8,
 		0x4000,1, 0x4001,2, 0x7000,3, 0x7fff,15,
@@ -230,7 +230,7 @@ int main()
 		if (pop0(test[i]) != test[i+1]) error(test[i], pop0(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop0: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop0: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -238,7 +238,7 @@ int main()
 		if (pop1(test[i]) != test[i+1]) error(test[i], pop1(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop1: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop1: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -246,7 +246,7 @@ int main()
 		if (pop2(test[i]) != test[i+1]) error(test[i], pop2(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop2: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop2: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -254,7 +254,7 @@ int main()
 		if (pop3(test[i]) != test[i+1]) error(test[i], pop3(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop3: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop3: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -262,7 +262,7 @@ int main()
 		if (pop4(test[i]) != test[i+1]) error(test[i], pop4(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop4: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop4: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -270,7 +270,7 @@ int main()
 		if (pop5(test[i]) != test[i+1]) error(test[i], pop5(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop5: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop5: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -278,7 +278,7 @@ int main()
 		if (pop5a(test[i]) != test[i+1]) error(test[i], pop5a(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop5a: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop5a: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -286,7 +286,7 @@ int main()
 		if (pop6(test[i]) != test[i+1]) error(test[i], pop6(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop6: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop6: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -295,7 +295,7 @@ int main()
 		if (pop7(test[i]) != test[i+1]) error(test[i], pop7(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop7: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop7: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -304,7 +304,7 @@ int main()
 		if (pop8(test[i]) != test[i+1]) error(test[i], pop8(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop8: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop8: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	TimestampBeg = std::clock();
 	for (std::size_t k = 0; k < Count; ++k)
@@ -313,7 +313,7 @@ int main()
 		if (pop9(test[i]) != test[i+1]) error(test[i], pop9(test[i]));}
 	TimestampEnd = std::clock();
 
-	printf("pop9: %d clocks\n", TimestampEnd - TimestampBeg);
+	printf("pop9: %ld clocks\n", TimestampEnd - TimestampBeg);
 
 	if (errors == 0)
 		printf("Passed all %d cases.\n", sizeof(test)/8);