Merge pull request #798 from wernsaar/develop

Optimized zgemv_n kernel for bulldozer, piledriver and steamroller

Author: wernsaar

common.h

@@ -332,12 +332,13 @@ typedef int blasint;
 #endif
 #endif
 
-
+/*
 #ifdef PILEDRIVER
 #ifndef YIELDING
 #define YIELDING        __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop;\n");
 #endif
 #endif
+*/
 
 /*
 #ifdef STEAMROLLER

kernel/x86_64/KERNEL.PILEDRIVER

@@ -11,7 +11,7 @@ ZAXPYKERNEL = zaxpy.c
 SGEMVNKERNEL = sgemv_n_4.c
 SGEMVTKERNEL = sgemv_t_4.c
 
-ZGEMVNKERNEL = zgemv_n_dup.S
+ZGEMVNKERNEL = zgemv_n_4.c
 ZGEMVTKERNEL = zgemv_t_4.c
 
 DGEMVNKERNEL = dgemv_n_bulldozer.S

kernel/x86_64/KERNEL.STEAMROLLER

@@ -24,7 +24,7 @@ SGEMVTKERNEL = sgemv_t_4.c
 DGEMVNKERNEL = dgemv_n_4.c
 DGEMVTKERNEL = dgemv_t_4.c
 
-ZGEMVNKERNEL = zgemv_n_dup.S
+ZGEMVNKERNEL = zgemv_t_4.c
 ZGEMVTKERNEL = zgemv_t_4.c
 
 DCOPYKERNEL  = dcopy_bulldozer.S

kernel/x86_64/zgemv_n_4.c

@@ -34,9 +34,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #include "zgemv_n_microk_haswell-4.c"
 #elif defined(SANDYBRIDGE)
 #include "zgemv_n_microk_sandy-4.c"
+#elif defined(BULLDOZER) || defined(PILEDRIVER) || defined(STEAMROLLER)
+#include "zgemv_n_microk_bulldozer-4.c"
 #endif
 
-
 #define NBMAX 1024
 
 #ifndef HAVE_KERNEL_4x4