Comment out SGEMM_R for POWER8 again, try if declaring P and Q as UL is sufficient to avoid int overflow

param.h

@@ -2229,21 +2229,22 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define ZGEMM_DEFAULT_UNROLL_M 8
 #define ZGEMM_DEFAULT_UNROLL_N 2
 
-#define SGEMM_DEFAULT_P  1280
-#define DGEMM_DEFAULT_P  640
-#define CGEMM_DEFAULT_P  640
-#define ZGEMM_DEFAULT_P  320
+#define SGEMM_DEFAULT_P  1280UL
+#define DGEMM_DEFAULT_P  640UL
+#define CGEMM_DEFAULT_P  640UL
+#define ZGEMM_DEFAULT_P  320UL
 
-#define SGEMM_DEFAULT_Q  640
-#define DGEMM_DEFAULT_Q  720
-#define CGEMM_DEFAULT_Q  640
-#define ZGEMM_DEFAULT_Q  640
+#define SGEMM_DEFAULT_Q  640UL
+#define DGEMM_DEFAULT_Q  720UL
+#define CGEMM_DEFAULT_Q  640UL
+#define ZGEMM_DEFAULT_Q  640UL
 
+äif 0
 #define SGEMM_DEFAULT_R SGEMM_DEFAULT_P
 #define DGEMM_DEFAULT_R DGEMM_DEFAULT_P
 #define CGEMM_DEFAULT_R CGEMM_DEFAULT_P
 #define ZGEMM_DEFAULT_R ZGEMM_DEFAULT_P
-
+#endif
 #define SYMV_P	 8
 
 #endif