+ const GFC_INTEGER_4 * restrict bbase_y;
+ GFC_INTEGER_4 * restrict dest_y;
+ const GFC_INTEGER_4 * restrict abase_n;
+ GFC_INTEGER_4 bbase_yn;
+
+ if (rystride == xcount)
+ memset (dest, 0, (sizeof (GFC_INTEGER_4) * xcount * ycount));
+ else
+ {
+ for (y = 0; y < ycount; y++)
+ for (x = 0; x < xcount; x++)
+ dest[x + y*rystride] = (GFC_INTEGER_4)0;
+ }
+
+ for (y = 0; y < ycount; y++)
+ {
+ bbase_y = bbase + y*bystride;
+ dest_y = dest + y*rystride;
+ for (n = 0; n < count; n++)
+ {
+ abase_n = abase + n*aystride;
+ bbase_yn = bbase_y[n];
+ for (x = 0; x < xcount; x++)
+ {
+ dest_y[x] += abase_n[x] * bbase_yn;
+ }
+ }
+ }
+ }
+ else if (rxstride == 1 && aystride == 1 && bxstride == 1)
+ {
+ const GFC_INTEGER_4 *restrict abase_x;
+ const GFC_INTEGER_4 *restrict bbase_y;
+ GFC_INTEGER_4 *restrict dest_y;
+ GFC_INTEGER_4 s;
+
+ for (y = 0; y < ycount; y++)
+ {
+ bbase_y = &bbase[y*bystride];
+ dest_y = &dest[y*rystride];
+ for (x = 0; x < xcount; x++)
+ {
+ abase_x = &abase[x*axstride];
+ s = (GFC_INTEGER_4) 0;
+ for (n = 0; n < count; n++)
+ s += abase_x[n] * bbase_y[n];
+ dest_y[x] = s;
+ }
+ }
+ }
+ else if (axstride < aystride)
+ {
+ for (y = 0; y < ycount; y++)
+ for (x = 0; x < xcount; x++)
+ dest[x*rxstride + y*rystride] = (GFC_INTEGER_4)0;
+
+ for (y = 0; y < ycount; y++)
+ for (n = 0; n < count; n++)
+ for (x = 0; x < xcount; x++)
+ /* dest[x,y] += a[x,n] * b[n,y] */
+ dest[x*rxstride + y*rystride] += abase[x*axstride + n*aystride] * bbase[n*bxstride + y*bystride];
+ }
+ else
+ {
+ const GFC_INTEGER_4 *restrict abase_x;
+ const GFC_INTEGER_4 *restrict bbase_y;
+ GFC_INTEGER_4 *restrict dest_y;
+ GFC_INTEGER_4 s;
+
+ for (y = 0; y < ycount; y++)
+ {
+ bbase_y = &bbase[y*bystride];
+ dest_y = &dest[y*rystride];
+ for (x = 0; x < xcount; x++)
+ {
+ abase_x = &abase[x*axstride];
+ s = (GFC_INTEGER_4) 0;
+ for (n = 0; n < count; n++)
+ s += abase_x[n*aystride] * bbase_y[n*bxstride];
+ dest_y[x*rxstride] = s;
+ }
+ }