Merge pull request #3384 from martin-frbg/issue3383

Modify ARMV8 kernels to leave x18 unused as it is reserved on OSX

Author: martin-frbg

kernel/arm64/dgemm_tcopy_8.S

@@ -50,11 +50,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define	B03		x16
 #define	B04		x17
 
-#define I		x18
-#define	J		x19
+#define I		x19
+#define	J		x20
 
-#define TEMP1		x20
-#define TEMP2		x21
+#define TEMP1		x21
 
 #define A_PREFETCH	2560
 #define B_PREFETCH	256

kernel/arm64/dtrmm_kernel_8x4.S

@@ -49,9 +49,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define pCRow3		x15
 #define pA		x16
 #define alpha		x17
-#define temp		x18
+//#define temp		x18
 #define tempOffset	x19
 #define tempK		x20
+#define temp		x21
 
 #define alpha0		d10
 #define alphaV0		v10.d[0]

kernel/arm64/sgemm_tcopy_16.S

@@ -30,7 +30,7 @@ All rights reserved.
 #define	B00		x22
 
 
-#define I		x18
+#define I		x21
 #define	J		x19
 
 #define TEMP1		x20

kernel/arm64/strmm_kernel_16x4.S

@@ -49,9 +49,10 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define pCRow3		x15
 #define pA		x16
 #define alpha		w17
-#define temp		x18
+//#define temp		x18
 #define tempOffset	x19
 #define tempK		x20
+#define temp            x21
 
 #define alpha0		s10
 #define alphaV0		v10.s[0]

kernel/arm64/zgemm_kernel_4x4.S

@@ -48,8 +48,8 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define pCRow2		x14
 #define pCRow3		x15
 #define pA		x16
-#define alphaR		x17
-#define alphaI		x18
+#define alphaR		x19
+#define alphaI		x20
 
 #define alpha0_R	d10
 #define alphaV0_R	v10.d[0]

kernel/arm64/ztrmm_kernel_4x4.S

@@ -49,7 +49,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define pCRow3		x15
 #define pA		x16
 #define alphaR		x17
-#define alphaI		x18
+#define alphaI		x22
 #define temp		x19
 #define tempOffset	x20
 #define tempK		x21