bugfixes for sgemm- and cgemm-kernel

Author: wernsaar

kernel/power/cgemm_kernel_8x4_power8.S

@@ -82,7 +82,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif
 
 #ifdef __64BIT__
-#define STACKSIZE 400
+#define STACKSIZE 512
 #define ALPHA_R_SP 296(SP)
 #define ALPHA_I_SP 304(SP)
 #define FZERO	312(SP)
@@ -290,9 +290,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 	li	o32 , 32
 	li	o48 , 48
 
-        li      T1, 256
-        slwi    T1, T1, 9               // 131072
-        sub     BBUFFER, A, T1          // temp buffer for B unrolled
+        li      T1, 512
+        slwi    T1, T1, 16             
+	add	BBUFFER, A, T1
 
 
 #ifdef __64BIT__

kernel/power/sgemm_kernel_16x8_power8.S

@@ -82,7 +82,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #endif
 
 #ifdef __64BIT__
-#define STACKSIZE 340
+#define STACKSIZE 512
 #define ALPHA_SP   296(SP)
 #define FZERO	304(SP)
 #else
@@ -271,9 +271,9 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 	li	o32, 32
 	li	o48, 48
 
-	li	T1, 256
-	slwi	T1, T1, 9		// 131072
-	sub	BBUFFER, A, T1		// temp buffer for B unrolled
+        li      T1, 512
+        slwi    T1, T1, 16
+        add     BBUFFER, A, T1
 
         addi    T1, SP, 300
         stxsspx    f1, o0 , T1

param.h

@@ -1965,7 +1965,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define DNUMOPT		8
 
 #define GEMM_DEFAULT_OFFSET_A 131072 
-#define GEMM_DEFAULT_OFFSET_B 1024
+#define GEMM_DEFAULT_OFFSET_B 131072
 #define GEMM_DEFAULT_ALIGN 0x03fffUL
 
 #define SGEMM_DEFAULT_UNROLL_M 16
@@ -1985,12 +1985,12 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define SGEMM_DEFAULT_Q  720
 #define DGEMM_DEFAULT_Q  720
 #define CGEMM_DEFAULT_Q  720
-#define ZGEMM_DEFAULT_Q  360
+#define ZGEMM_DEFAULT_Q  720
 
 #define SGEMM_DEFAULT_R 14400
 #define DGEMM_DEFAULT_R 14400
 #define CGEMM_DEFAULT_R 14400
-#define ZGEMM_DEFAULT_R 7200
+#define ZGEMM_DEFAULT_R 14400
 
 #define SYMV_P	 8