Fixed #395. Enable optimized cgemm for Sandybridge. Added optimized sdot kernel.

Fixed c/zgemm, zgemv computational error of haswell, piledriver, bullldozer, and
barcelona on Windows.

Merge branch 'develop' of https://github.com/wernsaar/OpenBLAS into wernsaar-develop

Conflicts:
	kernel/Makefile.L1
	kernel/x86_64/KERNEL
	param.h

Author: xianyi

Makefile

@@ -23,7 +23,7 @@ endif
 SUBDIRS_ALL = $(SUBDIRS) test ctest utest exports benchmark ../laswp ../bench
 
 .PHONY : all libs netlib test ctest shared install
-.NOTPARALLEL : all libs prof lapack-test install
+.NOTPARALLEL : all libs prof lapack-test install blas-test
 
 all :: libs netlib tests shared
 	@echo
@@ -282,6 +282,11 @@ lapack-test :
 	make -j 1 -C $(NETLIB_LAPACK_DIR)/TESTING xeigtstc  xeigtstd  xeigtsts  xeigtstz  xlintstc  xlintstd  xlintstds  xlintstrfd  xlintstrfz  xlintsts  xlintstz  xlintstzc xlintstrfs xlintstrfc
 	(cd $(NETLIB_LAPACK_DIR); ./lapack_testing.py -r )
 
+blas-test:
+	(cd $(NETLIB_LAPACK_DIR)/BLAS && rm -f x* *.out)
+	make -j 1 -C $(NETLIB_LAPACK_DIR) blas_testing
+	(cd $(NETLIB_LAPACK_DIR)/BLAS && cat *.out)
+
 
 dummy :
 

kernel/Makefile.L1

@@ -687,15 +687,27 @@ $(KDIR)ddot_k$(TSUFFIX).$(SUFFIX) $(KDIR)ddot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNEL
 $(KDIR)qdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)qdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(QDOTKERNEL)
 	$(CC) -c $(CFLAGS) -UCOMPLEX -DXDOUBLE $< -o $@
 
-$(KDIR)dsdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)dsdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(SDOTKERNEL)
-	$(CC) -c $(CFLAGS) -UCOMPLEX -UDOUBLE -DDSDOT $< -o $@
-
 $(KDIR)sdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)sdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(SDOTKERNEL)
 	$(CC) -c $(CFLAGS) -UCOMPLEX -UDOUBLE $< -o $@
 
+ifdef DSDOTKERNEL
+
+$(KDIR)dsdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)dsdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(DSDOTKERNEL)
+	$(CC) -c $(CFLAGS) -UCOMPLEX -UDOUBLE -DDSDOT $< -o $@
+
+$(KDIR)sdsdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)sdsdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(DSDOTKERNEL)
+	$(CC) -c $(CFLAGS) -UCOMPLEX -UDOUBLE -DDSDOT $< -o $@
+
+else
+
+$(KDIR)dsdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)dsdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(SDOTKERNEL)
+	$(CC) -c $(CFLAGS) -UCOMPLEX -UDOUBLE -DDSDOT $< -o $@
+
 $(KDIR)sdsdot_k$(TSUFFIX).$(SUFFIX) $(KDIR)sdsdot_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(SDOTKERNEL)
 	$(CC) -c $(CFLAGS) -UCOMPLEX -UDOUBLE -DDSDOT $< -o $@
 
+endif
+
 $(KDIR)zdotu_k$(TSUFFIX).$(SUFFIX) $(KDIR)zdotu_k$(TPSUFFIX).$(PSUFFIX) : $(KERNELDIR)/$(ZDOTKERNEL)
 	$(CC) -c $(CFLAGS) -DCOMPLEX -DDOUBLE -UCONJ $< -o $@
 

kernel/x86_64/KERNEL

@@ -119,9 +119,15 @@ XCOPYKERNEL = zcopy.S
 endif
 
 ifndef SDOTKERNEL
-SDOTKERNEL = ../arm/dot.c
+SDOTKERNEL = dot_sse.S
 endif
 
+
+ifndef DSDOTKERNEL
+DSDOTKERNEL = ../arm/dot.c 
+endif
+
+
 ifndef DDOTKERNEL
 DDOTKERNEL =  dot_sse2.S
 endif

kernel/x86_64/KERNEL.BARCELONA

@@ -2,7 +2,7 @@ SGEMVNKERNEL = sgemv_n.S
 SGEMVTKERNEL = sgemv_t.S
 
 ZGEMVNKERNEL = zgemv_n_dup.S
-ZGEMVTKERNEL = zgemv_t_dup.S
+ZGEMVTKERNEL = zgemv_t.S
 
 SGEMMKERNEL    =  gemm_kernel_8x4_barcelona.S
 SGEMMINCOPY    =  ../generic/gemm_ncopy_8.c

kernel/x86_64/KERNEL.BOBCAT

@@ -1,5 +1,5 @@
 ZGEMVNKERNEL = zgemv_n_dup.S
-ZGEMVTKERNEL = zgemv_t_dup.S
+ZGEMVTKERNEL = zgemv_t.S
 
 SGEMMKERNEL    =  gemm_kernel_8x4_barcelona.S
 SGEMMINCOPY    =  ../generic/gemm_ncopy_8.c

kernel/x86_64/KERNEL.BULLDOZER

@@ -2,7 +2,7 @@ SGEMVNKERNEL = sgemv_n.S
 SGEMVTKERNEL = sgemv_t.S
 
 ZGEMVNKERNEL = zgemv_n_dup.S
-ZGEMVTKERNEL = zgemv_t_dup.S
+ZGEMVTKERNEL = zgemv_t.S
 
 DGEMVNKERNEL = dgemv_n_bulldozer.S
 DGEMVTKERNEL = dgemv_t_bulldozer.S

kernel/x86_64/KERNEL.OPTERON_SSE3

@@ -1,5 +1,5 @@
 ZGEMVNKERNEL = zgemv_n_dup.S
-ZGEMVTKERNEL = zgemv_t_dup.S
+ZGEMVTKERNEL = zgemv_t.S
 
 SGEMMKERNEL    =  gemm_kernel_8x4_sse.S
 SGEMMINCOPY    =  ../generic/gemm_ncopy_8.c

kernel/x86_64/KERNEL.PILEDRIVER

@@ -2,7 +2,7 @@ SGEMVNKERNEL = sgemv_n.S
 SGEMVTKERNEL = sgemv_t.S
 
 ZGEMVNKERNEL = zgemv_n_dup.S
-ZGEMVTKERNEL = zgemv_t_dup.S
+ZGEMVTKERNEL = zgemv_t.S
 
 DGEMVNKERNEL = dgemv_n_bulldozer.S
 DGEMVTKERNEL = dgemv_t_bulldozer.S

kernel/x86_64/KERNEL.PRESCOTT

@@ -1,5 +1,5 @@
 ZGEMVNKERNEL = zgemv_n_dup.S
-ZGEMVTKERNEL = zgemv_t_dup.S
+ZGEMVTKERNEL = zgemv_t.S
 
 SGEMMKERNEL    =  gemm_kernel_8x4_sse3.S
 SGEMMINCOPY    =  ../generic/gemm_ncopy_8.c

kernel/x86_64/KERNEL.SANDYBRIDGE

@@ -21,11 +21,11 @@ DGEMMITCOPYOBJ =  dgemm_itcopy$(TSUFFIX).$(SUFFIX)
 DGEMMONCOPYOBJ =  dgemm_oncopy$(TSUFFIX).$(SUFFIX)
 DGEMMOTCOPYOBJ =  dgemm_otcopy$(TSUFFIX).$(SUFFIX)
 
-CGEMMKERNEL    =  zgemm_kernel_2x4_nehalem.S
-CGEMMINCOPY    =  zgemm_ncopy_2.S
-CGEMMITCOPY    =  zgemm_tcopy_2.S
-CGEMMONCOPY    =  ../generic/zgemm_ncopy_4.c
-CGEMMOTCOPY    =  ../generic/zgemm_tcopy_4.c
+CGEMMKERNEL    =  cgemm_kernel_8x2_sandy.S
+CGEMMINCOPY    =  ../generic/zgemm_ncopy_8.c
+CGEMMITCOPY    =  ../generic/zgemm_tcopy_8.c
+CGEMMONCOPY    =  ../generic/zgemm_ncopy_2.c
+CGEMMOTCOPY    =  ../generic/zgemm_tcopy_2.c
 CGEMMINCOPYOBJ =  cgemm_incopy$(TSUFFIX).$(SUFFIX)
 CGEMMITCOPYOBJ =  cgemm_itcopy$(TSUFFIX).$(SUFFIX)
 CGEMMONCOPYOBJ =  cgemm_oncopy$(TSUFFIX).$(SUFFIX)