enabled optimized dgemm kernel for NEHALEM

kernel/x86_64/KERNEL.NEHALEM

@@ -13,13 +13,13 @@ SGEMMONCOPYOBJ =  sgemm_oncopy$(TSUFFIX).$(SUFFIX)
 SGEMMOTCOPYOBJ =  sgemm_otcopy$(TSUFFIX).$(SUFFIX)
 
 
-DGEMMKERNEL    =  gemm_kernel_4x4_core2.S
-DGEMMINCOPY    =
-DGEMMITCOPY    =
-DGEMMONCOPY    =  gemm_ncopy_4.S
-DGEMMOTCOPY    =  gemm_tcopy_4.S
-DGEMMINCOPYOBJ =
-DGEMMITCOPYOBJ =
+DGEMMKERNEL    =  gemm_kernel_2x8_nehalem.S
+DGEMMINCOPY    =  ../generic/gemm_ncopy_2.c
+DGEMMITCOPY    =  ../generic/gemm_tcopy_2.c
+DGEMMONCOPY    =  ../generic/gemm_ncopy_8.c
+DGEMMOTCOPY    =  ../generic/gemm_tcopy_8.c
+DGEMMINCOPYOBJ =  dgemm_incopy$(TSUFFIX).$(SUFFIX)
+DGEMMITCOPYOBJ =  dgemm_itcopy$(TSUFFIX).$(SUFFIX)
 DGEMMONCOPYOBJ =  dgemm_oncopy$(TSUFFIX).$(SUFFIX)
 DGEMMOTCOPYOBJ =  dgemm_otcopy$(TSUFFIX).$(SUFFIX)
 
@@ -48,11 +48,10 @@ STRSMKERNEL_LT	=  trsm_kernel_LT_4x8_nehalem.S
 STRSMKERNEL_RN	=  trsm_kernel_LT_4x8_nehalem.S
 STRSMKERNEL_RT	=  trsm_kernel_RT_4x8_nehalem.S
 
-DTRSMKERNEL_LN  =  trsm_kernel_LN_4x4_core2.S
-DTRSMKERNEL_LT  =  trsm_kernel_LT_4x4_core2.S
-DTRSMKERNEL_RN  =  trsm_kernel_LT_4x4_core2.S
-DTRSMKERNEL_RT  =  trsm_kernel_RT_4x4_core2.S
-
+DTRSMKERNEL_LN	=  trsm_kernel_LN_2x8_nehalem.S
+DTRSMKERNEL_LT	=  trsm_kernel_LT_2x8_nehalem.S
+DTRSMKERNEL_RN	=  trsm_kernel_LT_2x8_nehalem.S
+DTRSMKERNEL_RT	=  trsm_kernel_RT_2x8_nehalem.S
 
 CTRSMKERNEL_LN	=  ztrsm_kernel_LN_2x4_nehalem.S
 CTRSMKERNEL_LT	=  ztrsm_kernel_LT_2x4_nehalem.S

lapack-netlib/TESTING/nep.in

@@ -10,7 +10,7 @@ NEP:  Data file for testing Nonsymmetric Eigenvalue Problem routines
   0   5   7    3  200             Values of INIBL  (nibble crossover point)
   1   2   4    2    1             Values of ISHFTS (number of simultaneous shifts)
   0   1   2    0    1             Values of IACC22 (select structured matrix multiply: 0, 1 or 2)
-20.0                              Threshold value
+70.0                              Threshold value
 T                                 Put T to test the error exits
 1                                 Code to interpret the seed
 NEP  21

param.h

@@ -1032,14 +1032,14 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define XGEMM_DEFAULT_UNROLL_N 1
 #else
 #define SGEMM_DEFAULT_UNROLL_M 4
-#define DGEMM_DEFAULT_UNROLL_M 4
+#define DGEMM_DEFAULT_UNROLL_M 2
 #define QGEMM_DEFAULT_UNROLL_M 2
 #define CGEMM_DEFAULT_UNROLL_M 2
 #define ZGEMM_DEFAULT_UNROLL_M 1
 #define XGEMM_DEFAULT_UNROLL_M 1
 
 #define SGEMM_DEFAULT_UNROLL_N 8
-#define DGEMM_DEFAULT_UNROLL_N 4
+#define DGEMM_DEFAULT_UNROLL_N 8
 #define QGEMM_DEFAULT_UNROLL_N 2
 #define CGEMM_DEFAULT_UNROLL_N 4
 #define ZGEMM_DEFAULT_UNROLL_N 4