optimized sgemm kernel for ARMV6

kernel/arm/sgemm_kernel_4x2_vfp.S

@@ -26,7 +26,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *****************************************************************************/
 
 /**************************************************************************************
-* 2013/11/27 Saar
+* 2013/11/28 Saar
 * 	 BLASTEST 		: OK
 * 	 CTEST			: OK
 * 	 TEST			: OK
@@ -100,17 +100,12 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 .macro KERNEL4x2_SUB
 
-	flds	s4 , [ BO ]
-
-	flds	s0 , [ AO ]
-	flds	s1 , [ AO, #4 ]
+	fldmias	AO! , { s0 - s3 }
+	fldmias	BO! , { s4 - s5 }
 
 	fmacs	s8  , s0,  s4
-	flds	s2 , [ AO, #8 ]
 	fmacs	s9  , s1,  s4
-	flds	s3 , [ AO, #12 ]
 	fmacs	s10  , s2,  s4
-	flds	s5 , [ BO, #4 ]
 	fmacs	s11  , s3,  s4
 
 	fmacs	s12  , s0,  s5
@@ -118,9 +113,6 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 	fmacs	s14  , s2,  s5
 	fmacs	s15  , s3,  s5
 
-	add	AO , AO, #16
-	add	BO , BO, #8
-
 .endm
 
 .macro SAVE4x2