Changed test/sup alpha to 1; test libxsmm+netlib.

Details:
- Changed the value of alpha to 1.0 in test/sup/test_gemm.c. This is
  needed because libxsmm currently only optimizes gemm operations where
  alpha is unit (and beta is unit or zero).
- Adjusted the test/sup/Makefile to test libxsmm with netlib BLAS as its
  fallback library. This is the library that will be called the
  problem dimensions are deemed too large, or any other criteria for
  optimization are not met. (This was done not because it is realistic,
  but rather so that it would be very clear when libxsmm ceased handling
  gemm calls internally when the data are graphed.)

test/sup/Makefile

@@ -96,6 +96,9 @@ endif
 HOME_LIB_PATH  := $(HOME)/flame/lib
 MKL_LIB_PATH   := $(HOME)/intel/mkl/lib/intel64
 
+# netlib BLAS
+NETLIB_LIB     := $(HOME_LIB_PATH)/libblas.a
+
 # OpenBLAS
 OPENBLAS_LIB   := $(HOME_LIB_PATH)/libopenblas.a
 OPENBLASP_LIB  := $(HOME_LIB_PATH)/libopenblasp.a
@@ -104,8 +107,8 @@ OPENBLASP_LIB  := $(HOME_LIB_PATH)/libopenblasp.a
 BLASFEO_LIB    := $(HOME_LIB_PATH)/libblasfeo.a
 
 # libxsmm
-LIBXSMM_LIB    := $(HOME_LIB_PATH)/libxsmm.a
-LDFLAGS        += -ldl
+LIBXSMM_LIB    := $(HOME_LIB_PATH)/libxsmm.a -ldl \
+                  $(NETLIB_LIB) -lgfortran
 
 # ATLAS
 ATLAS_LIB      := $(HOME_LIB_PATH)/libf77blas.a \
@@ -474,5 +477,5 @@ test_%_vendor_st.x:   test_%_vendor_st.o   $(LIBBLIS_LINK)
 clean: cleanx
 
 cleanx:
-	- $(RM_F) *.x
+	- $(RM_F) *.x *.o
 

test/sup/test_gemm.c

@@ -196,7 +196,7 @@ int main( int argc, char** argv )
 		bli_obj_set_conjtrans( transa, &a );
 		bli_obj_set_conjtrans( transb, &b );
 
-		bli_setsc(  (2.0/1.0), 0.0, &alpha );
+		bli_setsc(  (1.0/1.0), 0.0, &alpha );
 		bli_setsc(  (1.0/1.0), 0.0, &beta );
 
 		bli_copym( &c, &c_save );