Ref #380: lowered stack usage for haswell kernels

kernel/x86_64/cgemm_kernel_8x2_haswell.S

@@ -93,8 +93,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #endif
 
-#define L_BUFFER_SIZE 512*8*4
-#define LB2_OFFSET    512*8*2
+#define L_BUFFER_SIZE 8192
 
 #define Ndiv6	 24(%rsp)
 #define Nmod6	 32(%rsp)
@@ -105,7 +104,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define KK       72(%rsp)
 #define KKK      80(%rsp)
 #define BUFFER1	           128(%rsp)
-#define BUFFER2	LB2_OFFSET+128(%rsp)
 
 #if defined(OS_WINDOWS)
 #if   L_BUFFER_SIZE > 16384

kernel/x86_64/dgemm_kernel_4x4_haswell.S

@@ -85,7 +85,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #else
 
 #define STACKSIZE 256
-#define L_BUFFER_SIZE 128*8*12+4096
+#define L_BUFFER_SIZE 128*8*12+512
 
 #define OLD_A		40 + STACKSIZE(%rsp)
 #define OLD_B		48 + STACKSIZE(%rsp)

kernel/x86_64/sgemm_kernel_16x4_haswell.S

@@ -90,8 +90,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #endif
 
-#define L_BUFFER_SIZE 512*8*4
-#define LB2_OFFSET    512*8*2
+#define L_BUFFER_SIZE 8192
 
 #define Ndiv6	 24(%rsp)
 #define Nmod6	 32(%rsp)
@@ -101,7 +100,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define KK	 64(%rsp)
 #define KKK	 72(%rsp)
 #define BUFFER1	           128(%rsp)
-#define BUFFER2	LB2_OFFSET+128(%rsp)
 
 #if defined(OS_WINDOWS)
 #if   L_BUFFER_SIZE > 16384

kernel/x86_64/zgemm_kernel_4x2_haswell.S

@@ -92,8 +92,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 #endif
 
-#define L_BUFFER_SIZE 512*8*4
-#define LB2_OFFSET    512*8*2
+#define L_BUFFER_SIZE 8192
 
 #define Ndiv6	 24(%rsp)
 #define Nmod6	 32(%rsp)
@@ -104,7 +103,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define KK       72(%rsp)
 #define KKK      80(%rsp)
 #define BUFFER1	           128(%rsp)
-#define BUFFER2	LB2_OFFSET+128(%rsp)
 
 #if defined(OS_WINDOWS)
 #if   L_BUFFER_SIZE > 16384