diff options
| author | Luo Xionghu <xionghu.luo@intel.com> | 2015-01-15 13:22:08 +0800 |
|---|---|---|
| committer | Zhigang Gong <zhigang.gong@intel.com> | 2015-01-15 14:44:13 +0800 |
| commit | db2f53e1798cdb3f716c6cb4811b91483653f9c9 (patch) | |
| tree | b979cc237a1fc94e0aafa3fa9e411ead56c56faa /kernels | |
| parent | 8189d9250ebe3ad562b5ee0810a1ebd190abf899 (diff) | |
| download | beignet-db2f53e1798cdb3f716c6cb4811b91483653f9c9.tar.gz | |
add clz(count leading zero) utest.
this kernl calls the llvm __builtin_clz to generate llvm.clz function
then call the gen instruction clz, different from the test
compiler_clz_int, which use the fbh to implement.
Signed-off-by: Luo Xionghu <xionghu.luo@intel.com>
Reviewed-by: Zhigang Gong <zhigang.gong@linux.intel.com>
Diffstat (limited to 'kernels')
| -rw-r--r-- | kernels/compiler_clz.cl | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/kernels/compiler_clz.cl b/kernels/compiler_clz.cl new file mode 100644 index 00000000..7ab62619 --- /dev/null +++ b/kernels/compiler_clz.cl @@ -0,0 +1,12 @@ +#define COMPILER_CLZ(TYPE) \ + kernel void compiler_clz_##TYPE(global TYPE* src, global TYPE* dst) \ +{ \ + __global TYPE* A = &src[get_global_id(0)]; \ + __global TYPE* B = &dst[get_global_id(0)]; \ + *B = __builtin_clz(*A); \ +} + +COMPILER_CLZ(uint) +COMPILER_CLZ(ulong) +COMPILER_CLZ(ushort) +COMPILER_CLZ(uchar) |