utests: Add a unit test for non-aligned group size.

To hit prediction logic.

Signed-off-by: Ruiling Song <ruiling.song@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>

1 files changed, 17 insertions, 0 deletions

diff --git a/kernels/compiler_group_size.cl b/kernels/compiler_group_size.cl
index 9dba236d..0fe88c1a 100644
--- a/kernels/compiler_group_size.cl
+++ b/kernels/compiler_group_size.cl
@@ -10,3 +10,20 @@ compiler_group_size(__global unsigned int *dst)
   dst[idz*size_x*size_y + idy*size_x + idx] = idz*size_x*size_y + idy*size_x +idx;
 }
 
+struct xyz{
+  unsigned b:16;
+  unsigned e:16;
+  unsigned o;
+};
+
+__kernel void
+compiler_group_size4(__global struct xyz *src, __global unsigned int *dst, unsigned int num, unsigned int c)
+{
+  uint idx = (uint)get_global_id(0);
+  if(idx>=num)
+    return;
+  struct xyz td = src[idx];
+  for(unsigned x = td.b;x<=td.e;x++)
+    dst[td.o+x] = c;
+}
+